CURRICULUM VITAE
CURRICULUM VITAE
Robert T. O’Brien
LAC 273
Department of Veterinary Clinical Medicine
College of Veterinary Medicine
University of Illinois Champaign-Urbana
Urbana, IL
February 20, 2014
Education:
Date Institution Degree___
1973-77 University of Maine B.S. (High Distinction)
1975-76 University of New Brunswick Junior Year in Canada Program
1977-79 University of Cincinnati M.S.
1983-87 The Ohio State University D.V.M. (Honors)
Diplomate:
1992 American College of Veterinary Radiology
Professional Experience:
Date Position/Title Institution_
1987-1988 Internship University of Pennsylvania, Philadelphia
Small Animal Medicine and Surgery
1988 - 1991 Resident, Radiology University of Pennsylvania, Philadelphia
1991 - 1993 Clinical Instructor University of Wisconsin-Madison
1993 - 1998 Clinical Assistant Professor University of Wisconsin-Madison
1998 - 2003 Clinical Associate Professor University of Wisconsin-Madison
1998 to 2003 Chief of Staff Small Animal Services University of Wisconsin-Madison
2003 Clinical Professor University of Wisconsin-Madison
2003 - 2004 Head of Imaging Center Michigan Veterinary Specialists
2005 Associate VetMed Consultants
2006 - 2008 Associate Professor Kansas State University
2008 - 2010 Board Reviewer AJVR Board of Scientific Reviewers
2008 – present Professor Univeristy of Illinois
2008 – present Head of Imaging Services Univeristy of Illinois
2010 – 2012 Section Head Small Animal Surgery Univeristy of Illinois
Teaching Responsibilities:
Core Veterinary Courses
University of Wisconsin-Madison (1991-2003)
938-647 Radiology Clinics 21 weeks primary instructor Course coordinator
938-638 Radiology 5 lectures and 4 labs Course coordinator
938-501 Radiographic Anatomy 3 lectures and 3 labs
703-561 Veterin. Systemic Pathol. 1 lab
938-746 Food Animal Surgery 1 lab
938-675 Special Species 1 lab
Kansas State University (2006 - 2008)
CS 724 Veterinary Diagnostic Imaging (Radiology)
18 weeks primary instructor
16 weeks secondary instructor
CS 715 Radiology 9 lectures, 4 labs
CS 852 Interpretation of Radiology Studies of Body Systems (Advanced Imaging)
3 lectures
University of Illinois at Urbana-Champaign (2008 – present)
VM 601 Radiology Block 3 weeks primary instructor Block coordinator
Ultrasound Block 3 weeks secondary instructor
VM 602 Structure and Function 3 lectures (2 hours each)
VM 603 Structure and Function 4 lectures (2 hours each)
VM 606 Radiology Block 3 weeks primary instructor Block coordinator
Ultrasound Block 3 weeks secondary instructor
VM 611 Clinical Medicine & Surgery Course Coordinator (2012), 6 lecture hours
VM 616 Advanced Abdominal US Course creator and coordinator (2013)
VM 616 Advanced Echocardiography Course creator and coordinator (2013)
VCM 553 Advanced Imaging Course Coordinator primary instructor 30 weeks
VCM 581 Emergency Radiology Course Coordinator primary instructor 30 weeks
VCM 603 Clinical Radiology 16 weeks primary instructor Course coordinator
VCM 685 Adv. Diagnostic Imaging 8 lectures Course coordinator
VCM 667 Radiology & Radiobiology 10 lectures 6 labs Course coordinator
VCM 694 US clinical elective 3 weeks piamry instructor Course coordinator
Student Advisor
1998 – 2001 Janet Watson 2001 RCVS Certificate in Veterinary Radiology
2001 – 2002 Jodi Matheson Ultrasound research intern, ACVR diplomate
2003 Monica Iani Ultrasound research associate
2006 Robert Bonnano Australia, udder ultrasound imaging
2006 - 2007 Johna Wallace Developing Scholars Program, DVM
2006 - 2007 Jessica Pries Early Admissions Program
2006 - 2007 Jennifer Neitman Oklahoma S.U. trainee in Ultrasound, ACVR Diplomate
2007 Alejo Menchaka Uruguay, udder ultrasound imaging
2007 Mateo Lodi PhD, University of Milan
2007 – 2008 Johanna Wallace Distinguished Scholars Program
2007 – 2008 Nicollete Dudley Ultrasound research undergraduate
2007 – 2008 Kelley Smith Research Project, manuscript published 2012
2010 – 2012 Lana Krol Research Project, manuscript published, 2012
2010 – 2012 Krystina Stadler Research Project, manuscript published, 2012
2012 – 2013 Kiira Rodriguez Research Project, manuscript accepted
2012 – 2013 Allison Mulherin Research Project, manuscript accepted
2012 – 2013 Casie McReynolds Research Project, manuscript accepted
2012 – 2013 Jenny Carr Research Project
2012-present Jessica Byerly Research Project
Graduate and Residency Training Advisor
Radiology Residents:
1992-1996 Debra Darien 1996 ACVR Diplomate
1994-1997 Robert Nicoll clinical/research advisor 1998 ACVR Diplomate
1995-1998 Cynthia Nordberg research advisor
1998 Emilia Wood research advisor 1998 ACVIM Diplomate
1997-2000 Eric Green 2000 ACVR Diplomate
1998-1999 Alison Templer clinical/research advisor
1999 Karen Lamb
1999-2002 Laura Ziegler research advisor 2002 ACVR Diplomate
2000-2003 Lisa Zekas 2003 ACVR Diplomate
2000-2003 Jason Crawford 2003 ACVR Diplomate
2001-2003 Rochelle Salwei clinical/research advisor 2007 ACVR Diplomate
2002-2003 Elizabeth Ballageer 2007 ACVR Diplomate
2003 Jodi Matheson research advisor 2009 ACVR Diplomate
2006 Rachel Bowlus 2007 ACVR Diplomate
2006 – 2007 Erin Brinkman 2008 ACVR Diplomate
2006-2008 David Jimenez clinical/research advisor 2009 ACVR Diplomate
2007-2010 Jennifer Neitman research advisor 2010 ACVR Diplomate
2010-2013 Miriam Shanaman clinical/research advisor 2013 ACVR Diplomate
2011 Cintia Oliviera clinical/research advisor
2011-present Katherine Lynch clinical/research advisor ACVR best abstract award
2013-present Elisabeth Peters clinical/research advisor
2013-present Mark Howes clinical/research advisor
Graduate Advisor:
2007-2009 Mateo Lodi PhD committee, University of Milan PhD, 2009
2007-2011 Merjo Leinonen PhD committee, University of Helsinki PhD, 2011
2008-2011 Cintia Oliviera Major Advisor, MS Supervisor, UIUC: MS 2012
2010-2013 Miriam Shanaman Major Advisor, UIUC MS, 2013
2011-present Katherine Lynch Major Advisor, MS committee Supervisor, UIUC
2012-2013 Caitlin Lawson Major Advisor, MS committee Supervisor, UIUC
2013-present Elisabeth Peters Major Advisor, MS committee Supervisor, UIUC
2013-present Mark Howes Major Advisor, MS committee Supervisor, UIUC
Interns:
2006 Kristin Lewis SA Med & Surg Internship
2007 Kenneth Waller SA Med & Surg Internship, ACVR Diplomate
2008-2010 Cintia Oliveira MS candidate and Imaging Intern, UIUC. MS 2012
2013-present Kyle Vititoe SA Med & Surg Internship
Nondirected Service: (Please include at least 2 years)
College Committees
University of Illinois
2008-present Promotion and Tenure Committee
2009-2012 VTH Advisory Committee
2009-2010 Search Committee for Research Sonographer, Beckman Research
2009-present Diagnostic Imaging Residency Director
Department of Veterinary Clinical Medicine
2010- 2012 Leadership Group
2010- 2012 VCM Advisory Committee
2012-present Intern & Residency Committee
2012-present GPAC
2011-present Mentoring committee of Santiago Gutierrez (senior mentor)
2011-present Mentoring committee of Kara Lascola (senior mentor)
2013-present Mentoring committee of Berit Fischer
2013-present Mentoring committee of Heidi Philips (senior mentor)
Veterinary Teaching Hospital, UIUC
2010- 2012 VTH Management Group
2008-present Service Head of Diagnostic Imaging
Kansas State University (2006-2008):
Veterinary Technician Task Force
Search Committee for Associate Dean of Academic Affairs
CVM Library Committee
University of Wisconsin (1991-2003):
VMTH Advisory Group member
Small Animal Section Heads Service Chief
SVM Grand Rounds Creator & Coordinator
Student Chapter American Veterinary Medical Association Senior Faculty Advisor
University of Wisconsin (1991-2003):
Radiology Section Residency Director 1995-2000
Executive Committee member
Jean Pare Mentoring Committee Head
Lesley Smith Mentoring Committee Head
Public Education and Outreach Activities:
Manuscript Referee (2012)
JAVMA 0
AJVR 0
VR&US 3
Refereed Publications: (Author, co-author, senior, title, year, volume, pages)
(most recent first)
Rodriguez, K, O’Brien, M, Hartman, S, Mulherin, A, McReynolds, C, McMichael, M, Rapoport, G, O’Brien, R. Microdose computed tomographic cardiac angiography in normal cats. J Vet Cardiology 2014. On line DOI 10.1016/j.jvc.2013.12.004
Shanaman, MM, Schwarz, T, Gal, A, O’Brien, RT. Comparison between survey radiography, b-mode ultrasonography, contrast-enhanced ultrasonography and contrast-enhanced computed tomography findings in dogs with acute abdominal signs. Vet Radiol Ultrasound 2013. 54:591-604.
Restitutti, F, Laitinen, MR, Raekallio, M, Vainionpää, M, O’Brien, RT, Kuusela, E,. Vainio, O. Effect of MK-467 on organ blood flow parameters detected by contrast-enhanced ultrasound in dogs treated with dexmedetomidine. Vet Anesth Analgesia 2013. 40:e48-e56.
Lascola, K, O’Brien, RT, Wilkins, PA, Clark-Price, S, Hartman, S, Mitchell, MA. Qualitative and quantitative interpretation of computed tomography of the lungs in healthy neonatal foals:. Am J Vet Res 2013. 74:1239-1246.
Sternberg, R, Pondenis, H; Yang, X, Mitchell, M, O'Brien, R, Garrett, L, Helferich, W, Hoffmann, W, Fan, T. Association between absolute tumor burden and serum bone-specific alkaline phosphatase in canine appendicular osteosarcoma. J Vet Internal Med 2013. 27: 955-963.
Seiler, GS, Brown, JC, Reetz, JA, Taeymans, O, Bucknoff, M, Rossi, F, Ohlerth, S, Alder, D, Rademacher, N, Drost, WT, Pollard, RE, Travetti, O,, Pey, P, Saunders, JH, Shanaman, MM, Oliveira, CR, O’Brien, RT, Gaschen, L. Safety of contrast-enhanced ultrasonography in dogs and cats: 488 cases (2002-2011). J Am Vet Med Assoc 2013. 242_1255-1259.
Stadler, K, O’Brien, RT. Computed tomographic imaging of nonanesthetized cats with upper airway obstruction. Vet Radiol Ultrasound 2013.
Laitinen, MR, Matheson, JS, O’Brien, RT. Novel technique of multislice CT angiography protocol for diagnosis of portosystemic shunts in sedated dogs. Open Journal of Veterinary Medicine 3:115-120. 2013. DOI 10.4236/ojvm.2013.32019
Chun, JL, O’Brien, R, Song, MH, Wondrasch, BF and Berry, SE. Injection of vessel derived stem cells-prevent dilated cardiomyopathy and promote angiogenesis and endogenous cardiac stem cell proliferation in mdx/utrn-/- dystrophin/utrophin-deficient mice but not in aged mdx mice with cardiac pathology. Stem Cells Translational Medicine 2013. 2:68-80.
Collins, SP, Matheson, JS, Hamor, RE, Mitchell, MA, Labelle, AL, O’Brien, RT. Comparison of the diagnostic quality of computed tomography images of normal ocular and orbital structures acquired with and without the use of general anesthesia in the cat. Vet Ophthal 2012. 1-7.
Shanaman, MM, O’Brien RT, Hartman S. Feasibility for using dual-phase contrast-enhanced multi-detector helical computed tomography to evaluate awake and sedated dogs with acute abdomen signs. Vet Radiol Ultrasound 2012. 53:605-12.
Shanaman, MM, Mitchell, MA, Haskins, S, Welle, K, Demeter, Z, Hsiao, S-H, Murrell-Ritter, S. O’Brien, RT. Diagnostic Challenge. J Exotic Pet Med 2012. 21:264-9.
Chun, JL, O’Brien, R and Berry, SE. Cardiac dysfunction and pathology in the dystrophin and utrophin-deficient mouse during development of dilated cardiomyopathy. Neuromuscul Disord 2012. 22:368-79.
Johnson-Neitman, JL, O’Brien, RT, Wallace, JD. Quantitative perfusion analysis of the pancreas and duodenum in healthy dogs by use of contrast-enhanced ultrasonography. Am J Vet Res 2012. 73:385-92.
Oliveira, C. O’Brien, RT. Matheson, JS, Carrera, I. Computed Tomographic features of nasopharyngeal polyps in 13 cats. Vet Radiol Ultrasound 2012. 53:406-11.
Guitierrez-Nibeyro SD, O’Brien, RT. What is your diagnosis? Bilateral maxillary bone fractures. J Am Vet Med Assoc 2011. 239:38-43.
Krol, L. O’Brien, RT. Ultrasonographic Assessment of abdominal lymph nodes in puppies. Vet Radiol Ultrasound 2012. 53:455-8.
Smith, K, O’Brien, RT. The sternal lymph node in cats and dogs; anatomy and retrospective study on radiographic appearance. Journal Am Anim Hosp Assoc 2012. 48: 176-81.
Lynch, K, Oliveira, C, Matheson, J, Mitchell, M, O’Brien, RT. Detection of pneumothorax and pleural effusion with horizontal beam radiography. Vet Radiol Ultrasound. 2012. 53:38-43
Stadler K Hartman S, Matheson J, O’Brien RT. Computed Tomographic Imaging of Dogs with Primary Laryngeal or Tracheal Airway Obstruction. Vet Radiol Ultrasound 2011. 52:377-384.
Oliveira, C, Mitchell, M, O’Brien, RT. Thoracic computed tomography in Feline Patients without the use of chemical restraint. Vet Radiol Ultrasound 2011. 52:368-376.
Leinonen M, Raekallio M, Vainio O, Sankari S, O’Brien RT. The effect of contrast ultrasound on kidneys, American Journal of Veterinary Research, in press: DOI information: 10.1016/jl.2010.09.007.
Leinonen M, Raekallio M, Vainio O, O’Brien RT. The effect of anesthesia on contrast-enhanced ultrasound of the spleen in cats, Veterinary Journal. 2011. PMID:
21095147
O’Brien, B. The Future of CT imaging (… as I see it!). Journal Small Animal Practice. 2011. 52: 229-230.
Oliveira, C, Ranallo, F, Pijanowski, G, Mitchell, M, O’Brien, M, McMichael, M, Hartman, S, Matheson, J, O’Brien, RT. The VetMouseTrap: A device for computed tomographic imaging of the thorax of awake cats. Vet Radiol Ultrasound 2011. 52:41-52.
Jimenez, DA, O’Brien, RT, Wallace, JD, Klocke, E. Intraoperative contrast-enhanced ultrasonography of the normal canine jejunum. Vet Radiol Ultrasound. 2011. 52:196-200.
Leinonen M, Raekallio M, Vainio O, Ruohoniemi M, O’Brien RT. The effects of sample size and location on contrast ultrasound measurements, Vet Radiol Ultrasound. 2011. 52: 82-87.
Guitierrez-Nibeyro, SD, O’Brien, RT. What is your diagnosis? Bilateral maxillary bone fractures. J Am Vet Med Assoc. 2011. 239: 1189-1190.
Lewis, K, O’Brien, RT. Ultrasonographic appearance of Feline Infectious Peritonitis; 12 cases. American Animal Hospital Association. 2010. 46: 152-60.
Leinonen M, Raekallio M, Vainio O, Ruohoniemi M, Biller DS, O’Brien RT.Quantitative analysis of the perfusion in the kidneys, liver, pancreas, small intestine and mesenteric lymph nodes in healthy cats using contrast-enhanced ultrasound, American Journal of Veterinary Research, 2010. 71: 1-7.
Leinonen M, O’Brien RT, Ruohoniemi M. Contrast enhanced ultrasound – a literature review, Finnish Veterinary Journal, 2008. 10: 214
Jimenez, DA Armbrust, LJ, O’Brien RT, Biller DS. Artifacts in digital radiography. Vet Radiol 2008. 49: 321-32.
Brinkman, EL, Biller, DS, Armbrust, LJ, O’Brien, RT. The clinical utility of the right lateral intercostal ultrasound scan technique in dogs. J Am Anim Hosp Assoc. 2007. 43: 179-86.
Waller, KR , O’Brien, RT and McGuirk, SM. Ultrasonographic distribution and duration of edema in the post-partum and over-bagged dairy cows. The Bovine Practitioner. 2007 41: 129-133.
Holloway, A, O’Brien, RT. Perirenal effusion in dogs and cats with acute renal failure. Vet Radiol Ultrasound 2007 48:574-579.
Ohlerth, S, O’Brien, RT. Contrast ultrasound-general principles and veterinary applications. The Veterinary Journal 2007 174:501-512.
Matheson, JS, Paul-Murphy, J. O’Brien, RT, Steinberg, H. Quantitative ultrasound, magnetic resonance imaging, and histologic analysis of hepatic iron accumulation in pigeons (Columbia liva). J Zoo Wildl Med 2007 38: 222-30.
O’Brien, RT, Holmes, SP. Recent advances in ultrasound technology. Clinical Techniques in Small Animal Practice 2007 22: 93-103.
Nyman, HT, O’Brien, RT. Ultrasonography of lymph nodes. Clinical Techniques in Small Animal Practice. 2007 22: 128-137.
Waller, KR , O’Brien, RT and Zagzebski JA. Quantitative contrast ultrasound analysis of renal perfusion in nomal dogs. Veterinary Radiology & Ultrasound 2007 48: 373-377.
O’Brien, RT. Improved detection of metastatic hemangiosarcoma nodules in the liver of three dogs with contrast ultrasound. Veterinary Radiology & Ultrasound 2007 48:146-148.
Ramer, JC, Benson, KG, Morrisey, J, O’Brien, RT, Paul-Murphy, J. Effects of melatonin on the clinical course of adrenal cortical disease in the domestic ferret (Mustela putorius furo). J Am Vet Med Assoc. 2006 229:1743-1748.
Rodorf, H, vanSchaik, G, O’Brien, RT, Brown, PJ, Barr, FJ, Hall, EJ. Ultrasonographic evaluation of the thickness of the small intestinal wall in dogs with inflammatory bowel disease. J Small Anim Pract 2005 46:322-326.
Zekas, LJ, Crawford, JT, O’Brien RT. Computed tomography-guided fine-needle aspirate and tissue-core biopsy of intrathoracic lesions in thirty dogs and cats. Veterinary Radiology & Ultrasound 2005 46:200-204.
Salwei, RM, O'Brien, RT, Matheson, JS. Characterization of vascular and perfusion patterns of lymphomatous lymph nodes using contrast harmonic ultrasound. Veterinary Radiology & Ultrasound 2005 46:411-416
Jacobs, TM, O'Brien, RT, What’s your diagnosis? Pulmonary adenocarcinoma in a cat. Journal of the American Veterinary Medical Association 2004 224:363-364.
O’Brien, RT, Waller, KR, Osgood, TL. Sonographic features of drug-induced splenic congestion in dogs. Veterinary Radiology & Ultrasound. 2004 45:225-227.
Adamo, FP, O’Brien, RT. Use of cyclosporine to treat granulomatous meningoencephalitis in three dogs. J Am Vet Med Assoc 2004 225:1211-1216.
O’Brien, RT, Iani, M, Matheson, J, Delaney, F, Young, K. Contrast harmonic ultrasound of spontaneous liver nodules in 32 dogs. Veterinary Radiology & Ultrasound. 2004 45:547-553.
Monteiro, CB, O’Brien RT. A retrospective study on the sonographic findings of abdominal carcinomatosis in 14 cats. Veterinary Radiology & Ultrasound 2004 45:559-564.
Matheson, JS, O'Brien, RT, Delaney, F. Tissue harmonic ultrasound for imaging normal abdominal organs in dogs and cats. Veterinary Radiology & Ultrasound 2003 44: 205-209.
Waller, KR, Knipp, BS, O'Brien, RT, Zagzebski, JA. The effect of body wall on video signal analysis measurements. Veterinary Radiology & Ultrasound 2003 44: 222-225.
Salwei, RM, O'Brien, RT, Use of contrast harmonic ultrasound for the diagnosis of congenital portosystemic shunts in three dogs. Veterinary Radiology & Ultrasound 2003 44:301-305.
Delaney, F, O'Brien, RT, Ultrasound evaluation of small bowel thickness compared to weight in normal dogs. Veterinary Radiology & Ultrasound 2003 44:577-580.
Ziegler, LE, O'Brien, RT, Waller KR, Zagzebski, JA. Quantitative contrast harmonic ultrasound imaging of normal canine liver. Veterinary Radiology & Ultrasound 2003 44:451-454.
Linn, K, Templer, A, Paul-Murphy, J, O'Brien, RT, Hartup, BK, Langenberg, JA. Ultrasound imaging of the sandhill crane (Grus Canadensis) intertarsal joint. J Zoo Wildl Med 2003 34:144-152.
O'Brien, RT, Ultrasound is helping to keep shows clean. Hoard’s Dairyman. April 10, 2002. p294
O'Brien, RT, Waller, KR, Matheson, JS. Ultrasonographic appearance of edema caused by injections in the mammary gland attachments of dairy cows. Journal American Veterinary Medical Association. 2002. 221:408-410.
Ziegler, LE, O'Brien, RT, Harmonic ultrasound: a review. Veterinary Radiology & Ultrasound 2002 43: 501-9.
O'Brien, RT, Zagzebski, JA, Delaney, FA. Ultrasound corner: range ambiguity artifact. Veterinary Radiology & Ultrasound 2001. 42:542-545.
Nordberg, C, O'Brien, RT, Paul-Murphy, J, Hawley, B. Ultrasound examination and guided fine needle biopsy of the liver of Amazon parrots (Amazona amazonica amazonica). Journal of Avian Medicine and Surgery. 2000. 14:180-184.
Paul-Murphy, J, O'Brien, RT, Spaeth, A, Sullivan, L, Dubielzig, RR. Ultrasonography and fine needle aspirate cytology of the mesenteric lymph nodes in normal domestic ferrets (Mustela putorius furo). Veterinary Radiology & Ultrasound 1999. 40: 308-310.
VanEnkevort, B, O'Brien, RT, Young, KM. Pancreatic pseudocysts in four dogs and two cat. Journal Veterinary Internal Medicine 1999. 13: 309-313.
Trostle, SS, O’Brien, RT, Britt, J, Waller, KR. Ultrasonographic appearance of exogenous isobutane gas in the mammary gland of dairy cows. Journal American Veterinary Medical Association 1999. 215: 366-368.
Nicoll, RG, O'Brien, RT, Jackson, MW. Qualitative ultrasonography of the liver in obese cats. Veterinary Radiology and Ultrasound 1998. 39:47-50.
Trostle, SS and O'Brien, RT. Ultrasonographic imaging of the bovine mammary gland. Compendium's Food Animal Medicine and Management. 1998. 20:S64-74.
O'Brien, RT. Ultrasound Corner. Attenuation: the clinical utility of subjective sonographic assessment. Veterinary Radiology & Ultrasound 1998. 39: 224-225.
Forrest, LJ, O'Brien, RT, Steinberg, H.Sonographic abnormalities of kidneys in dogs with leptospirosis. Veterinary Radiology & Ultrasound 1998. 39: 337-340.
O'Brien, RT, Wood, EM. Urinary bladder mural hemorrhage associated with systemic bleeding disorders in three dogs. Veterinary Radiology & Ultrasound 1998. 39: 354-356.
Nicoll, RG, Jackson, MW, Knipp, BS, Zagzebski, JA, Steinberg, H, O'Brien, RT. Quantitative ultrasonography of the liver in cats during obesity induction and dietary restriction. Research in Veterinary Science 1998. 64: 1-6.
Wood, EM, O'Brien, RT, Young, KM. Ultrasound-guided fine needle aspiration of focal parenchymal lesions of the lung in dogs and cats. Journal American Veterinary Internal Medicine 1998. 12:338-342.
Adams, WM, Dueland, RT, Meinen, J, O'Brien, RT, Giuliano, E. Early detection of canine hip dysplasia: comparison of five radiographic and two palpation methods. American Animal Hospital Association 1998. 34: 339-347.
Lu, ZF, Zagzebski, JA, O'Brien, RT, Steinberg, H. Ultrasound attenuation and backscatter in the liver during prednisone administration. Ultrasound in Medicine and Biology 1997. 23:1-8.
O'Brien, RT, Paul-Murphy, J, Dubielzig, RR. Adrenal ultrasonography in ferrets. Advances in Small Animal medicine and Surgery 1997. 10: 7-8.
O'Brien, RT, Dueland, RT, Adams, WM, Meinen, J. Dynamic Ultrasound Measurement of Passive Coxofemoral Laxity in Puppies. American Animal Hospital Association 1997. 33:275-281.
Jacobs, TM, O'Brien, RT. What is your diagnosis? Journal American Veterinary Medical Association 1997. 211:291-292.
O'Brien, RT, Forrest, LJ. A Retrospective study of umbilical ultrasound in calves. Veterinary Radiology & Ultrasound 37:63-67, 1996.
O'Brien, RT, Evans, SM, Wortman, A, Hendrick, MJ. Radiographic findings in cats with intranasal neoplasia and chronic rhinitis: 29 cases (1982-1988). Journal American Veterinary Medical Association 28:385-389, 1996.
Triplett, EA, Darien, BJ, O'Brien, RT, Wilson, DG, Steinberg, H. Thrombosis of the brachial artery in a foal. Journal of Veterinary Internal Medicine 1996. 10:330-332.
O'Brien, RT. Echocardiography in birds. Small Animal Medicine and Surgery 1996. 9:1-2.
O'Brien, RT. Intraoral dental radiography: experimental study and clinical use in two horses and a llama. Veterinary Radiology & Ultrasound. 1996. 37:412-416.
O'Brien, RT, Paul-Murphy, J, Dubielzig, RR. Ultrasonography of adrenal glands in normal ferrets. Veterinary Radiology & Ultrasound 1996. 37:445-448.
O'Brien, RT, Zagzebski, JA, Lu, ZF, Steinberg, H. Measurement of acoustic backscatter and attenuation measurements in dogs with experimentally-induced steroid hepatopathy. American Journal Veterinary Research 1996. 57:1690-1694.
Schaefer, SL, Johnson, KA, O'Brien, RT. Compensatory tibial overgrowth following healing of closed femoral fractures in young dogs. Veterinary and Comparative Orthopaedics and Traumatology 1995. 8:159-162.
Yousem, DM, Lenkinski, RE, Evans, S, Allen, D, O'Brien, R, Curran, W, Schnall, M, Bennett, M, Wehrli, SL, Grossman, RI. Proton MR spectroscopy of experimental radiation-induced white matter injury. Journal of Computer Assisted Tomography 1992.16: 543-548.
O'Brien, RT, Hendrick, MJ, Evans, SM, Brooks, JJ. Pathologic, clinical and radiographic features of multicentric malignant fibrous histiocytoma in two dogs. Journal of Comparative Pathology 1991. 105: 423-430.
Bodri, MS, Hendrick, MJ, O'Brien, RT, Sadanaga, KK. Retained caseous yolk sac in a burmese python (Python molurus bivattatus). Journal of Wildlife Diseases 1990. 26: 564-566.
O'Brien, RT, Etges, FJ. Overwintering population changes of Pterygodermatites coloradensis (Nematoda: Rictulariidae) in Kentucky and Ohio. The Ohio Journal of Science 1981. 81:114-119.
O'Brien, RT, Sidner, RA, Etges, FJ. Sphaeridiotrema echinosaurense sp. n. (Trematoda:Psilostomidae) from Echinosaura horrida horrida in Ecuador. Proceedings of the Helminthological Society of Washington 1979. 46:185-187.
2. Accepted manuscripts:
Flower, JE, Lynch, K, Clark-Price, SC, Welle, KR, O’Brien, R, Whittington, JK. Antemortem diagnosis and successful management of non-compressive segmental myelopathy in a Siberian-bengal mixed breed tiger. J Zoo Wildlife Med. Accepted August 1, 2013
Ngwenyama TR, O’Brien MA, Herring JM, Hartman SK, Galloway KA, O’Brien RT. Contrast-enhanced Multi-detector Computed Tomography to Diagnose Pulmonary Thromboembolism in an Awake Dog with Pyothorax. J Vet Emerg Crit Care Accepted April 2013.
Lynch, KC, O’Brien, RT. 1H Magenetic resonance spectroscopy: A review of the current literature and potential utility in veterinary oncologic imaging. Accepted December 14, 2013 to The Veterinary Journal.
Le Boedec, K, Roady, PJ, O’Brien, RT. Atypical case of diffuse feline fibrotic lung disease. Submitted to J Feline Med Surg Accepted February 2014.
3. Submitted manuscripts:
Kabatchnick, EF, Manishirova, M, O’Brien, RT, Lezmi, S, Hague, D. A Modified Cervical Dorsal Hemilaminectomy for Removal of a C1-2 Meningioma. Submitted December 28, 2012 to Am J Vet Surg
Le Boedec, K, Phillips, H, Zamprogno, H, Joslyn, S, O’Brien, RT. Tracheal plasmacytoma resection in a young dog evaluated postoperatively by virtual tracheoscopy. Submitted July 2013 to J Small An Pract.
Lynch, K, Odintsov, B, Labelle, P, O’Brien, RT. Ex vivo proton magnetic resonance spectroscopy (1HMRS) of normal, reactive and malignant canine lymph nodes: evaluation of the choline mateabolite as a marker of malignancy. Submitted February 28, 2014 to Vet Radiol Ultrasound
4. Manuscripts in preparation:
Schliewert, EC, Lascola, KM, O’Brien, RT, Clark-Price, SC, Wilkins, PA, Foreman, JH. Comparison of radiographic and computed tomography images of the lung in healthy neonatal foals. In preparation for submission to J Vet Internal Med
Oliveira, CR, Stadler, KL, O’Brien, RT. Computed tomographic based cardiac short axis domension method to evaluate heart size in awake normal cats and cats with cardiomyopathy. In preparation for submission to Vet Radiol Ultrasound.
Research Support: (New/Continuing – Funded) PI, Co. Inv., title, sponsor, how many years, amount
(most recent first)
Current
Howes, M (PI), O’Brien, M, McMichael, M, Lascola, O’Brien, R (PI). The comparative image characteristics of coughing dogs with a murmur; computed tomography, echocardiography and radiography. Sponsored by CVM funds generated by radiology service faculty participation in the Executive Veterinary Program in Small Animal Ultrasound. $12,000.00. 2014.
Peters, E (PI), Philips, H, O’Brien, R (PI). Imaging evaluation of tissue perfusion in small intestinal resectable lesion; comparosin of preoperative contrast ultrasound and computed tomography to intra-operative contrast ultrasound. Antech Imaging funding in support of Dr. Peters resdiency. $18,000.00. February 2014-February 2015.
B. Past
Contrast Ultrasound characterization of splenic nodules. O’Brien, RT, Ohlerth, S, Rossi, F. Bracco Pharmaceutical Research Grant $20,000. Jan 15, 2010 – 2014.
Microdose contrast-enhanced multi-detector computed tomography for characterization of the heart and lungs in cats with suspected congestive heart failure. O’Brien, RT, O’Brien, M. $10,000.00. July, 2012-2014.
Quantitative Computed Tomography of the Lung in Neonatal Foals. Lascola, K, Wilkins, P, O’Brien, RT. Morris Foundation. D10EQD10EQ-807A. $9,877.00. March, 2011 – February 2012.
Comparative Imaging of the Acute Abdomen in Dogs. Shanaman, M, O’Brien, RT. IVUSS research endowment. $5,000. Jan 15, 2010 – 2012.
Contrast Ultrasound for characterixzaion of normal cat abdominal organ perfusion. Leinonen, M, O’Brien, RT, Ruohoniemi, M. University of Helsinki. $3,000. May-June 2007.
Contrast ultrasound of the pancreas in normal dogs and dogs with pancreatitis. O’Brien, RT Department of Clinical Science start-up funds. $12.500. 2006.
Contrast ultrasound assessment of intraoperative small intestinal perfusion in normal dogs. Jimenez, DA, O’Brien, RT, Klocke, E, Wallace, J. Department of Clinical Sciences funding. $1,492. 2006.
Effect of Phenstatin phosphate on Tumor Perfusion: Evaluation in a rat model using microbubble contrast agent. : O’Brien, RT, Matheson JS, Thamm, D, Waller, K, Zagzebski, J, Dubielzig, R. Submitted November 27, 2002 to University of Wisconsin-Madison School of Veterinary Medicine Companion Animal Fund. $6,000.00. June 1, 2003 – June 30, 2004.
Accurate in vivo ultrasonographic scattering assessments. Zagzebski, JA, Lee, FT, Madsen, EL, O'Brien, RT, Knipp, BS. National Institute of Health, Diagnostic Radiology Study Section. $809,582.00. Start date December 1,1997 – November 30, 2002.
Quantitative ultrasound analysis and magnetic resonance image analysis of iron accumulation in the liver of birds. Paul-Murphy, J, O’Brien, RT, Bowman, M, Clyde, V, Steinberg, H. Waller, K. Association of Avian Veterinarians. $12,000.00. September 21, 2000 – September 20, 2002.
Quantitative ultrasound analysis and magnetic resonance image analysis of iron accumulation in the liver of birds. Paul-Murphy, J., O’Brien, RT., Bowman, M., Clyde, V., Steinberg, H., Waller, K. University of Wisconsin-Madison School of Veterinary Medicine Companion Animal Fund. $16,000.00. September 21, 2001 – September 20, 2002.
Preliminary study on the characterization of malignant lymph nodes with contrast ultrasounography. O’Brien, RT, Salwei, R. University of Wisconsin-Madison School of Veterinary Medicine Companion Animal Fund. $2,040.00. July 1, 2001 – June 30, 2002.
Ultrasound Characterization of the tendons in the legs of Cranes. Linn, K, O’Brien, RT, Templer, A, Paul-Murphy, J. University of Wisconsin-Madison School of Veterinary Medicine Companion Animal Fund. $6,425.00. July 1, 1999 – June 30, 2000.
Effects of exogenous melatonin on the clinical course of adrenal disease in the domestic ferret (Mustela putorius furo). Ramer, JC, Benson, KG, Paul-Murphy, J, O'Brien, RT, Morrisey, J. $6,425.00. University of Wisconsin-Madison School of Veterinary Medicine Companion Animal Fund. July 1, 1998 - June 30,1999.
Hamonic Imaging for detection of focal splenic nodular disease. O’Brien, RT, Ziegler, L, Delaney, F, Zagzebski, JA, Waller, K. University of Wisconsin-Madison School of Veterinary Medicine Companion Animal Fund. $3,000.00. submitted December 1999.
Early Detection and Verification of Canine Hip Laxity (Dysplasia) using Dynamic Ultrasonography. Dueland, RT, O'Brien, RT (Co-PI), Adams, WM. Morris Animal Foundation $21,811.00. September 1, 1995 - August 31, 1998.
Accurate In Vivo Ultrasonic Scattering Assessments. Zagzebski, A, Madsen, E, Lee, F, Scanlan, K, Goldfarb, S, O'Brien, R. National Institute of Health, Diagnostic Radiology Study Section. $747,347.00. July 1, 1993 to June 30, 1997
Development of techniques of ultrasonographic analysis and ultrasound-guided percutaneous biopsy of the liver of amazon parrots. O'Brien, RT (Co-PI), Nordberg, CC, Paul-Murphy, J, Zagzebski, JA, Knipp, BS, Steinberg, H, Hawley, B. University of Wisconsin-Madison School of Veterinary Medicine Companion Animal Fund $3,180.00. July 1, 1996 to June 30, 1997.
Ultrasound Analysis of Cats with Hepatic Lipidosis. O'Brien, RT (Co-PI), Nicoll, RG, Zagzebski, JA, Knipp, BS Jackson, MW. University of Wisconsin-Madison School of Veterinary Medicine Companion Animal Fund $2,393.00. July 1, 1995 to June 30, 1996.
Radiographic Digitizer System for Teaching Radiology. O'Brien, RT (Co-PI). University of Wisconsin Lab Modernization Grant (part of SVM grant for the remodeling of MD-2). $20,000.00. awarded September 1, 1995.
Early Detection and verification of canine hip dysplasia. Dueland, R Tass and O'Brien, RT (Co-PI). Graduate School Research Committee. $6,000.00. July 1, 1994 to June 30, 1995.
Ultrasound Analysis of Dogs with Steroid Hepatopathy. O'Brien, RT (PI), Zagzebski, JA, Panciera, D. University of Wisconsin-Madison School of Veterinary Medicine Companion Animal Fund $7,637.00. July 1, 1993 to June 30, 1994.
Evaluation of Ultrasonography, Computed Tomographic Scans, Stress Radiography, O.F.A. Radiography, and Clinical Evaluation, for the Early Detection of Hip Dysplasia. Dueland, R, Adams, W, Lust, GL, O'Brien, RT American Animal Hospital Association Grant $9,380.00. July 1, 1992 to June 30, 1994.
Intraoral Occlusal Radiography for the Detection of Dental Disease in Horses. O'Brien, RT (PI), Stone, WC, Capelle, J. University of Wisconsin-Madison School of Veterinary Medicine Companion Animal Fund $584.00. July 1, 1992 to June 30, 1993
Book Editor/Published: (Author, co-author, senior, title, year, volume, pages)
O’Brien, RT and Barr, F. BSAVA Manual of Canine and Feline Abdominal Imaging. Senior editor. 2009
O’Brien, RT and Barr, F. BSAVA Manual of Canine and Feline Abdominal Imaging. Senior editor. Portugese Edition. 2010
O’Brien, RT and Barr, F. BSAVA Manual of Canine and Feline Abdominal Imaging. Senior editor. 2010. Japanese Edition.
O'Brien, RT. Radiologia toracica en pequenenos animales. Multimedica. Barcelona. 2001.
O'Brien, RT. Thoracic Radiology for the Small Animal Practitioner. Teton New Media. Jackson, WY. 2001. translated in 2002 to Japanese by Pharm Press, Tokyo.
O'Brien, RT. Thoracic Radiology for the Small Animal Practitioner. Teton New Media. Jackson, WY. 2001.
Book Chapters Published:
(most recent first)
Schwarz, T and O’Brien, R. Chapter Two: CT Acqisition Principles. In, Veterinary Computed Tomography. Eds. Schwarz, T and Saunders, J. Wiley-Blackwell 2011. p. 9-27.
Barr, F and O’Brien, RT. Chapter 1: Approach to abdominal imaging. In, BSAVA Manual of Canine and Feline Abdominal Imaging. O’Brien and Barr. 2009.
O’Brien, RT and Scrivani, P. Chapter 12: The lung parenchyma. In, BSAVA Manual of Canine and Feline Thoracic Imaging. Schwarz and Johnson. 2007.
O'Brien, RT Chapter 3 - Imaging of the GI tract, liver and pancreas. In BSAVA Manual of Canine & Feline Gastroenterology. Eds Simpson, Williams and Hall. 2005.
De Morais, H and O'Brien, RT . Nonneoplastic diseases of the spleen. In Textbook of Veterinary Internal Medicine. 6th Edition. Eds. Ettinger and Feldman. WB Saunders. Philadelphia. 2005 1944-1951 pp.
O'Brien, RT and Biller, DS. "Dental Imaging", in Veterinary Clinics of North America: Equine Practice-Dental Disease. Volume 14, Number 2, August 1998, pages 259-271.
O'Brien, RT and Biller, DS. "Field Imaging of the Respiratory System: Radiology and Ultrasonography", in Veterinary Clinics of North America: Equine Practice-Respiratory Medicine in Ambulatory Practice. Volume 13, Number 3, December 1997, pages 259-271.
O'Brien, RT and Biller, DS. "Clinical Applications of Radiography and Ancillary Imaging", in Veterinary Clinics of North America: Food Animal Practice-Advances in Ruminant Orthopedics. Volume 12, Number 1, March 1996, pages 259-271.
De Morais, H and O'Brien, RT . Nonneoplastic diseases of the spleen. In Textbook of Veterinary Internal Medicine. 7th Edition. Eds. Ettinger and Feldman. WB Saunders. Philadelphia.
Book Chapters Accepted:
(most recent first)
O’Brien, RT and Seiler, G. Chapter 16. Contrast Ultrasound. In, Atlas of Small Animal Ultrasonography, 2nd Ed. Eds. Penninck, D and d’Anjou, M-A. Blackwell Publising.
O’Brien, RT. Radiographic and CT Imahing of the Feline Thorax. In, Consultation in Feline Internal Medicine, Volume 7. Eds. Rush, JR and Rosanski, E. Elsevier Saunders.
Invitations for Book Chapters
O'Brien, RT Abdominal Ultrasonography for the Small Animal Practitioner. Wiley. Invitation to write
Continuing Education (Please include at least 2 years)
Universal Imaging Basic Ultrasound Short Course. Urbana, IL. December 15-16, 2012. 3 hours lecture, 8 hours wetlab.
CVC San Diego, San Diego, CA November 6, 2012. hours lectures, 8 hours wetlab.
Executive Veterinary Program in Small Animal Ultrasound: Urbana, IL. Class of 2011-12
February 26-27, 2011. 4 hours lecture, 4 hours wetlab, 4 hours case discussion
May 21-22, 2011. 1 hour lecture, 4 hours wetlab, 4 hours case discussion
September 13-17. 1 hour lecture, 4 hours wetlab
November 12-13, 2011. 2 hour lecture, 4 hours wetlab, 4 hours case discussion
February 25-26, 2011. 2 hours lecture, 4 hours wetlab, 4 hours case discussion
May 19-20, 2012. 2 hours lecture, 4 hours wetlab, 4 hours case discussion
September 22-23, 2012. 1 hour lecture, 4 hours wetlab, 4 hours case discussion
November 10-11, 2011. 1 hour lecture, 4 hours wetlab, 4 hours case discussion
Universal Imaging Intermediate Ultrasound Short Course. Bedford Hills, NY. April 14-15, 2012.
Connecticut VMA. Hartford, CT. March 27, 2012. 4 hours lectures
Sound Technologies Small Animal Ultrasound Short Course Dallas, TX. November 15 - 16, 2007.
IVUSS ultrasound wetlab. Glasgow, Scotland. July 22-23. 2006.
Phoenix VMA. The coughing dog with a murmur: what to do? Phoenix, AZ. Nov 17, 2005.
AAFP Chicago, IL (5 lectures and film reading drylab) Nov 13-16, 2005.
Iowa State University. Contrast Ultrasound Sep 23, 2005
Sound Technologies Small Animal Ultrasound Short Course Philadelphia, PA. April 24-25, 2004
Wayne State University Veterinary Technical College. “Advanced Imaging” April 19, 2004
Pre-BSAVA EAVDI Meeting: “CT-Guided biopsy”, Keynote speaker. Birmingham, UK. March 31, 2004
Sound Technologies Small Animal Ultrasound Short Course. Philadelphia, PA. 18-19 October 2003
ACVIM Forum 4-7 June 2003
Sound Technologies Small Animal Ultrasound Short Courses Chicago, IL. 26-27 April 2003.
British Small Animal Veterinary Medical Association 3-6 April 2003
Student Chapter of VECCS Annual Conference. Madison, WI. 1 February 2003
UW Feline Club- Basic Small Animal Ultrasound, Madison, WI. 13 November 2002.
UW Companion Animal Club -Basic Small Animal Ultrasound, Madison, WI. 7 November 2002.
"Universal Ultrasound Advanced Ultrasound for the Small Animal Practitioner". Indianapolis, IN. 16 November 2002.
"Universal Ultrasound Advanced Ultrasound for the Small Animal Practitioner". Indianapolis, IN. 16 November 2002.
Student Chapter of AAEP Basic Equine Tendon Ultrasound, Madison, WI. 28 October 2002.
Student Chapter of VECCS- Basic Small Animal Ultrasound, Madison, WI. 21 October 2002.
"Classic Basic & Advanced Ultrasound for the Small Animal Practitioner". Madison, WI. August 24-25, 2002.
"Ultrasource Basic & Advanced Ultrasound for the Small Animal Practitioner". Madison, WI. July 20-21, 2002
"Universal Ultrasound Basic Ultrasound for the Small Animal Practitioner". Indianapolis, IN. 29 June 2002.
"Classic Basic & Advanced Ultrasound for the Small Animal Practitioner". Madison, WI. May 18, 2002
Ultrasource Advanced Small Animal Ultrasound Course”, Madison, WI March 2-3, 2002
2001 Wisconsin Veterinary Medical Association Annual Conference, October, 2001
"Classic Basic & Advanced Ultrasound for the Small Animal Practitioner". Madison, WI. 24-25 August 2001
Diagnostic Imaging of Companion Animal Short Course. Univeridad Peruana Cayetano Heredia. Miraflores, Peru. June 13-15, 2001.
British Small Animal Veterinary Association. “Congress 2001”. 5 – 8April, 2001.
European Association of Veterinary Diagnostic Imaging. “PreBSAVA EAVDI satellite meeting” 4,April 2001.
"Ultrasource Advanced Ultrasound for the Small Animal Practitioner". Madison, WI. 18-19 November 2000.
Student Chapter VECCS. Madison, WI. November 14, 2000
“WVMA Small Animal Ultrasound Wetlab” Madison, WI. October 13, 2000
“Quantitative Liver Ultrasound” North Grafton, MA. September 26, 2000
"Vetalliance Basic Ultrasound for the Small Animal Practitioner". Hartland, WI. September 17, 2000
"Classic Medical Basic Ultrasound for the Small Animal Practitioner". Madison, WI. August 26-27, 2000
“Challenges of Veterinary Teaching Hospital Management” Pullman, WA. August 24, 2000.
"Classic Medical Basic Ultrasound for the Small Animal Practitioner". Madison, WI. April 29-30, 2000
“Liver Disease in the Dog and the Cat” Madison, WI. March 16, 2000.
“Equine Ultrasonography”. SCAVMA Equine Club. Madison, WI. March 4, 2000.
“Ultrasource Basic Small Animal Ultrasound Course”, Los Angeles, CA. February 26-27, 2000
“Classic Medical Intermediate Small Animal Ultrasound Course”, Seattle, WA. February 5-6, 2000
“Emergency Medicine Conference” Student Chapter VECCS. Madison, WI. January 29, 2000
"Large Animal Ultrasound" Madison, WI. November 19-20, 1999
Student Chapter VECCS. Madison, WI. November 10, 1999
“Ultrasource Basic Small Animal Ultrasound Course”, Madison, WI. October 16, 1999
“Methods of Detecting Udder Alterations in Dairy Cattle Used for Exhibition”. Madison, WI October 4, 1999
"Classic Medical Basic Ultrasound for the Small Animal Practitioner". Madison, WI. August 27-28, 1999
Southeastern Idaho Veterinary Medical Association, Idaho Falls, ID August 2, 1999
"Ultrasource Basic Ultrasound for the Small Animal Practitioner". Madison, WI. July 23-24, 1999
15th Annual Postgraduate Conference. June 18, 1999.
Dane County Veterinary Medical Association Meeting. Madison, WI. April 29, 1999
St. Louis chapter, Society of Diagnostic Medical Sonographers Meeting. St. Louis, MO April 22, 1999.
“Classic Medical Basic Small Animal Ultrasound Course”, Madison, WI. April 17, 1999
"Large Animal Ultrasound" Madison, WI. November 13-14, 1998
British Small Animal Veterinary Association, Great Britain. September, 1998.
“Classic Medical Basic Small Animal Ultrasound Course”, Madison, WI. August 29, 1998
"Advanced Ultrasound for the Small Animal Practitioner". Madison, WI. July 18, 1998.
“Classic Medical Basic Small Animal Ultrasound Course”, Madison, WI. May 9,1998
American Animal Hospital Association, Chicago, IL. March, 1998
Reproductive Ultrasound in Large Animal Practice, Madison, WI. November 21, 1997.
Veterinary Emergency Service, Inc., Fresno, CA. November 4, 1997.
Ninth Small Mammal Veterinary Conference, Baltimore, MD. August 22, 1997
"Basic Ultrasound for the Small Animal Practitioner". Madison, WI. August 7-8, 1997.
Wisconsin Veterinary Technician Association. Lake Geneva, WI.
Central California Veterinary Medical Association. Fresno, CA.
13th Annual Postgraduate Conference. June 13, 1997.
Fox Valley Animal Referral. Appleton, WI. June 7, 1997.
Student Chapter of VECCS monthly meeting. Madison, WI. March 21,1997.
Dane County Veterinary Medical Association Meeting. Madison, WI. March 20,1997.
Film reading wet lab. WEZAM club meeting. Madison, WI. March 19,1997.
"Advances in Gastroenterology" Madison, WI. March 15, 1997.
Truesdell Animal Care Hospital, Madison, WI. December 16, 1997.
Truesdell Animal Care Hospital, Madison, WI December 12, 1997.
"Diagnostic Imaging in Small Animal Practice" 1996 Veterinary Radiology Forum for Practicing
Veterinarians and Veterinary Technicians. Chicago, IL. December 8, 1996.
"Large Animal Ultrasound" Madison, WI. November 15-16, 1996.
Wisconsin Society of Radiologic Technicians District 2 Meeting, Madison, WI. November 7, 1996.
11th Annual Feline Conference. Madison, WI. September 21, 1996.
Veterinary Emergency and Critical Care Symposium, San Antonio, TX. September 15-18, 1996.
"Basic Ultrasound for the Small Animal Practitioner". Madison, WI. June 28-29, 1996.
"Small Animal Ultrasound" Idaho Veterinary Medical Association. June 14, 1996.
Western Veterinary Conference, Las Vegas, NV. February 21-22, 1996.
"Large Animal Ultrasound" Madison, WI. November 10-11, 1995.
"Feline Echocardiography and Abdominal Ultrasound" Madison, WI. July 14-15, 1995.
11th Annual Postgraduate Conference June 16, 1995. Madison, WI.
South Central Veterinary Medical Association, Anchorage, AK. March 3, 1995.
"Large Animal Ultrasound" Madison, WI. November 11-12, 1994.
Society of Diagnostic Medical Sonographers 11th Annual Conference and Exhibition. Chicago, IL. September 18, 1994.
9th Annual Feline Conference, Madison, WI. September 17, 1994.
"Advanced Ultrasound for the Small Animal Practitioner". Madison, WI. July 16, 1994.
"Basic Ultrasound for the Small Animal Practitioner". Madison, WI. July 15, 1994.
American Veterinary Medical Association Meeting, San Francisco, CA. July 12, 1994.
10th Annual Postgraduate Conference, Madison, WI. June 17, 1994.
3rd Annual WEZAM Exotics Conference, Solutions for Special Species. Madison, WI. April 10, 1994.
South Central Veterinary Medical Association, Anchorage, AK. February 10, 1994.
"Large Animal Ultrasound" Madison, WI. November 12-13, 1993.
Small Mammal-Reptile Medicine and Surgery for the Practitioner. Madison, WI. October 16, 1993.
General Surgery Seminar. September 24, 1993.
"Ultrasound for the Nineties" Madison, WI. July 9-10, 1993.
"Ultrasound for the Nineties" Madison, WI. March 26-27, 1993.
Mequon Veterinary Medical Association. March 21, 1993.
Minnesota Veterinary Medical Association. Minneapolis, MN. February 4, 1993.
Ozaukee Veterinary Medical Association. January 21, 1993.
Lacrosse Veterinary Medical Association. October 28, 1992.
Small Mammal-Reptile Medicine and Surgery for the Practitioner. Madison, WI.
October 10, 1992.
8th Annual School of Veterinary Medicine Post-Graduate Conference. Madison, WI. June 20, 1992.
Published Abstracts: (First Author, etc., title, year)
(most recent first)
Lynch, KC, Odintsov, BM, Labelle, P, O’Brien, RT. Ex vivo proton magnetic rsonance spectroscopy (1HMRS) of normal, reaactive and malignant canine lymph nodes: evaluation of the choline metabolite as a marker for malignancy. Vet Radiol Ultrasound 2013. 54: 68.
Schliewert, EC, Lascola, KM, O’Brien, RT, Clark-Price, SC, Wilkins, PA, Foreman, JH. Comparison of radiographic and computed tomography images of the lung in healthy neonatal foals. J Vet Internal Med 2013. 27:668.
Smith, K, O’Brien, RT. The sternal lymph node in cats and dogs; anatomy and retrospective study on radiographic appearance. International Veterinary Radiology Association Meeting. Bursa, Turkey. August 26-31, 2012.
Shanaman, MM, O’Brien RT, Hartman S. Feasibility for using dual-phase contrast-enhanced multi-detector helical computed tomography to evaluate awake and sedated dogs with acute abdomen signs. International Veterinary Radiology Association Meeting. Bursa, Turkey. August 26-31, 2012.
Stadler, K, O’Brien, RT. Computed tomographic imaging of awake cats with upper airway obstruction. International Veterinary Radiology Association Meeting. Bursa, Turkey. August 26-31, 2012.
Stadler, K, Hartmen, S, Matheson, J, O’Brien, RT. Computed tomographicimaging of dogs with primary laryngeal or tracheal airway obstruction. European College of Veterinary Internal Medicine annual scientific meeting. Seville, Spain. September 8, 2011.
Lascola, K, O’Brien, RT, Wilkins, P. Quantitative Computed tomography of the lung in neonatal foals. Veterinary Respiratory Society annual scientific meeting. Vienna, Austria. September 2011.
Oliveira, CR, Stadler, K, O’Brien, RT. Computed tomographic-based vertebral heart scale in awake normal cats and cats with cardiac disease. European Veterinary Diagnostic Imaging annual meeting. London, England. August 30-Septmeber 3, 2011.
Leinonen M, Raekallio M, Vainio O, O’Brien RT. The effect of anesthesia on contrast-enhanced ultrasound of the spleen in cats, congress abstract, The Finnish Veterinary Annual Meeting 2010, Helsinki, Finland.
Leinonen M, Raekallio M, Vainio O, Sankari S, O’Brien RT. The effect of contrast ultrasound on kidneys, congress abstract, The Finnish Veterinary Annual Meeting 2010, Helsinki, Finland.
Leinonen M, Raekallio M, Vainio O, O’Brien RT. The effect of anesthesia on contrast-enhanced ultrasound of the spleen in cats, congress abstract, EAVDI 2010, Giessen, Germany.
Leinonen M, Raekallio M, Vainio O, Sankari S, O’Brien RT. The effect of contrast ultrasound on kidneys, congress abstract, ACVIM 2010, Anaheim, USA
Leinonen M, Raekallio M, Vainio O, Ruohoniemi M, O’Brien RT. The effect of size and location placement of thr ROI’s on perfusion parameters, congress abstract, IVRA 2009, Buzios, Brazil.
Leinonen M, Raekallio M, Vainio O, Ruohoniemi M, O’Brien RT. The effects of sample size and placement of thr ROI’s on perfusion parameters, congress abstract, The Finnish Veterinary Annual Meeting 2009, Helsinki, Finland.
Leinonen M, Raekallio M, Vainio O, Ruohoniemi M, O’Brien RT. Contrast-enhanced ultrasound (CEUS) in cats, congress abstract, The Finnish Veterinary Annual Meeting 2009, Helsinki, Finland Leinonen M, Raekallio M, Vainio O, Ruohoniemi M, O’Brien RT. Contrast-enhanced ultrasound (CEUS) in cats, congress abstract, IVRA 2009, Buzios, Brazil.
R.T. O’Brien, C.R. Oliveira, G.J. Pijanowski, S. Hartman, M.A. O’Brien, M. McMichael,. The Better MouseTrao: A device for Computed Tomographic imaging of cats without general anesthesia. EAVDI-BID Fall Meeting. Glasgow, Scotland. October17, 2009
C.R. Oliveira, G.J. Pijanowski, S. Hartman, M.A. O’Brien, M. McMichael, R.T. O’Brien. The Better MouseTrao: A device for Computed Tomographic imaging of cats without general anesthesia. IVRA. Buzios, Brazil July 27, 2009
Leinonen M, Raekallio M, Vainio O, Ruohoniemi M, O’Brien RT. Quantitative contrast enhanced ultrasound (CEUS) of normal feline kidney, congress abstract, The Finnish Veterinary Annual Meeting 2008, Helsinki, Finland.
Leinonen M, Raekallio M, Vainio O, Ruohoniemi M, O’Brien RT. Quantitative contrast enhanced ultrasound (CEUS) of normal feline kidney, congress abstract, EAVDI 2008, Svolvaer, Norway
Neitman-Johnson, J, O’Brien, RT, Wallace, J. Contrast ultrasound perfusion of the normal pancreas and duodenum in dogs. Veterinary Radiology & Ultrasound. American College of Veterinary Radiology. Chicago, IL. November 2007.
Jimenez, DA, Armbrust, LJ, O’Brien, RT, Biller, DS. Artifacts in digital radiography. Veterinary Radiology & Ultrasound. American College of Veterinary Radiology. Chicago, IL. November 2007.
O’Brien, RT. Contrast Ultrasound in Veterinary Medicine. British Medical Ultrasound Society. Manchester, UK. December 2005.
O’Brien, RT, Matheson, J, Delaney, F, Iani, M. Contrast harmonic ultrasound for the characterization of liver nodules in dogs. 2003 American College of Veterinary Radiology. Chicago, IL. December 2-6, 2003
O’Brien, RT, Matheson, J, Delaney, F, Iani, M. Contrast harmonic ultrasound for the characterization of liver nodules in dogs. 2003 European Association Veterinary Diagnostic Imaging Fall Meeting, Cambridge, UK. October 11, 2003
O’Brien, RT. Ultrasound in the cat with GI disease. European Society of Feline Medicine. Birmingham, UK. April 2, 2003.
O’Brien, RT. Non-neoplastic diseases of the spleen. European Association Veterinary Diagnostic Imaging Pre-BSAVA satellite meeting. Birmingham, UK. April 2, 2003.
Matheson, JS, O'Brien, RT, Delaney, F. Tissue harmonic ultrasound for imaging normal abdominal organs in dogs and cats. 2002 ACVR meeting, Chicago. December 2002.
Salwei, RM, O'Brien, RT, Use of contrast harmonic ultrasound for the diagnosis of congenital portosystemic shunts in three dogs. 2002 ACVR meeting, Chicago. December 2002.
Paoloni, MC, Dubielzig, RR, RT O’Brien, Forrest, LJ, Adams, WM, Helfand, SC, Vail, DM, Hardie, RJ. Use of CT imaging for lymph node assessment in dogs with primary lung tumors. 2002 ACVR meeting, Chicago. December 2002.
O’Brien, RT. Contrast ultrasound in veterinary medicine. 2002 British Medical Ultrasound Society meeting, Manchester, UK. December 12, 2002.
O'Brien, RT, Waller, KR, Matheson, JS. Ultrasonographic appearance of edema caused by injections in the mammary gland attachments of dairy cows. 2002 American Association of Bovine Practitioners. Madison, WI. November 2002.
Paoloni, MC, Dubielzig, RR, RT O’Brien, Forrest, LJ, Adams, WM, Helfand, SC, Vail, DM, Hardie, RJ. Use of CT imaging for lymph node assessment in dogs with primary lung tumors. Veterinary Cancer Society. New York, NY. September 2002.
O'Brien, RT, Salwei, R, Matheson, J. Contrast harmonic ultrasound for characterization of lesions in 4 dogs and a cat with vascular disease. European Association Veterinary Diagnostic Imaging Meeting. Murcia, Spain. July 26, 2002.
O'Brien, RT, Matheson, J. Contrast harmonic ultrasound for characterization of tumor vascular and perfusion patterns. European Association Veterinary Diagnostic Imaging Meeting. Murcia, Spain. July 25, 2002.
O'Brien, RT, Matheson, J, Delaney, F. Conspicuity of normal abdominal organs and lesions with tissue harmonic ultrasound in cats and dogs. European Association Veterinary Diagnostic Imaging Meeting. Murcia, Spain. July 25, 2002.
O’Brien, RT, Zagzebski, JA, Delaney, F. Range ambiguity artifact in clinical sonography. American College of Veterinary Radiology. Honolulu, HI. Presented August 2001.
Waller, K. O’Brien, RT., Perfusion measurements in the normal canine kidney following bolus injection of contrast agent. American College of Veterinary Radiology. Honolulu, HI. Presented August 2001.
Ziegler, L., O’Brien, RT., Waller, K. Quantitative evaluation of contrast enhancement of canine liver using harmonic ultrasound imaging. American College of Veterinary Radiology. Honolulu, HI. Presented August 2001.
O’Brien, RT., Waller, K. Sonographic features of drug-induced splenic congestion. American College of Veterinary Radiology. Chicago, IL. Presented November 30, 2000.
Zagzebski, JA., O’Brien, RT., Waller, K., Wilson, TA. Quantitating attenuation and backscatter changes in liver with contrast agent. American College of Veterinary Radiology. Chicago, IL. Presented November 30, 2000.
O’Brien, RT, Delaney, F, Waller, K. Ultrasonographic small intestinal thickness in normal dogs. British Small Animal Veterinary Association. Birmingham, England, Great Britain. Presented April 7, 2000.
O’Brien, RT. Ultrasound-guided lung aspirates. European Association of Veterinary Diagnostic Imaging (British and Irish Division) Pre-BSAVA Satellite Meeting. Birmingham, England, Great Britain. Presented April 6, 2000.
Forrest, LJ, O’Brien, RT, Manley, PA. Feline capital physeal dysplasia syndrome. American College of Veterinary Radiology. Chicago, IL. Presented December 3, 1999.
Forrest, LJ, O’Brien, RT, Manley, PA. Feline capital physeal dysplasia syndrome. American College of Veterinary Radiology. Chicago, IL. Presented December 3, 1999.
Delaney, FA, O’Brien, RT. Ultrasound evaluation of small bowel thickness vs. weight in normal dogs. American College of Veterinary Radiology. Chicago, IL. Presented December 1, 1999.
O’Brien, RT. A retrospective study on the sonographic and clinicopathologic features of cirrhosis in dogs and cats. American College of Veterinary Radiology. Chicago, IL. Presented December 1, 1999.
Waller, KR, Knipp, BS, O’Brien, RT. Effect of bodywall on attenuation measurements using video signal analysis. American College of Veterinary Radiology. Chicago, IL. Presented December 1, 1999.
Delaney, FA, O’Brien, RT. Ultrasound evaluation of small bowel thickness vs. weight in normal dogs. American College of Veterinary Radiology. Chicago, IL. Presented December 1, 1999.
O’Brien, RT. A retrospective study on the sonographic and clinicopathologic features of cirrhosis in dogs and cats. American College of Veterinary Radiology. Chicago, IL. Presented December 1, 1999.
Waller, KR, Knipp, BS, O’Brien, RT. Effect of bodywall on attenuation measurements using video signal analysis. American College of Veterinary Radiology. Chicago, IL. Presented December 1, 1999.
O’Brien, RT, Delaney, F, Waller, K. Ultrasonographic small intestinal thickness in normal dogs. British Small Animal Veterinary Association. Birmingham, England, Great Britain. Submitted October 28, 1999.
Wilson, TA, Zagzebski, JA, Waller, KR, O’Brien, RT, Steinberg, H, Knipp, BS. Observed changes in acoustic parameters in a cirrhotic liver model. American Institute of Ultrasound in Medicine. September 8, 1999.
Wilson, TA, Zagzebski, JA, Waller, KR, O’Brien, RT, Steinberg, H, Knipp, BS. Observed changes in acoustic parameters in a cirrhotic liver model. American Institute of Ultrasound in Medicine. Submitted September 8, 1999.
O’Brien, RT. Ultrasonographic characteristics of cirrhosis in dogs and cats. British Small Animal Veterinary Association. Birmingham, England, Great Britain. Presented April 9, 1999.
O’Brien, RT, Nordberg, CC, Waller, K, Knipp, B, Zagzebski, J, Paul-Murphy, J, Hawley, B, Evans, E. Quantitative liver ultrasonography of normal and obese amazon parrots. American College of Veterinary Radiology. Banff, Alberta, Canada. Presented August 7, 1998.
Trostle, SS and O'Brien, RT. Ultrasonography of the bovine mammary gland. American Association Bovine Practitioners Newsletter, March 1998, page 6.
O'Brien, R, Paul-Murphy, J, Steingraeber, M. Ultrasonographic gender determination in the paddlefish Polyodon spathula. Midwest Fish and Wildlife Conference. Milwaukee WI, presented December 1997.
Nordberg, C, O'Brien, RT, Paul-Murphy, J, Hawley, B. Ultrasound examination and guided fine needle biopsy of the liver of Amazon parrots (Amazona amazonica amazonica). American College of Veterinary Radiology/Veterinary Cancer Society. Chicago, IL. Presented December 1997.
Wilson, T, Zagzebski, J, O'Brien, R, Lu, Z, Dong, F, Li, Y. Results and limitations of tissue characterization based on the non-gaussian statistical properties of ultrasound echo signals. Submitted for 37th Annual Meeting American Association of Physicists in Medicine, Milwaukee, WI, July 27-31, 1997.
O'Brien, R, Paul-Murphy, J, Steingraeber, M. Ultrasonographic gender determination in the paddlefish Polyodon spathula.. Mississippi River Research Consortium, Lacrosse, WI, presented April 1997.
VanEnkevort, BA, O'Brien, RT, Young, KM. Pancreatic pseudocysts in four dogs and two cats: ultrasonographic and clinicopathologic findings. American College of Veterinary Radiology. Chicago, IL. December 7, 1996. (Presented by O'Brien)
O'Brien, RT. Sonographic features of benign infiltrative gastrointestinal disease. American College of Veterinary Radiology. Chicago, IL. Presented December 7, 1996.
Nicoll, RG, O'Brien, RT, Jackson, MW. Qualitative ultrasonography of the liver in obese cats. American College of Veterinary Radiology. Chicago, IL. Presented December 7, 1996.
Nicoll, RG, O'Brien, RT, Knipp, BS, Zagzebski, JA, Jackson, MW, Steinberg, H. Quantitative ultrasonography of the liver in cats during obesity induction and caloric restriction. American College of Veterinary Radiology. Chicago, IL. Presented December 7, 1996.
Adams, WM, Dueland, RT, Meinen, J, O'Brien, RT, Giuliano, E. Early detection of canine hip dysplasia: comparison of five radiographic and two palpation methods. American College of Veterinary Radiology. Chicago, IL. Presented December 7, 1996.
O'Brien, RT, Dueland, RT, Adams, WM, Meinen, J. Dynamic ultrasound measurement of passive coxofemoral joint laxity in puppies. American College of Veterinary Radiology. Chicago, IL. Presented December 6, 1996.
Wood, E, O'Brien, RT, Young, KM. Ultrasound-guided fine needle aspiration of focal pulmonary parenchymal lesions of the lung in dogs and cats. American College of Veterinary Radiology. Chicago, IL. December 6, 1996. (Presented by O'Brien)
Lu, ZF, Zagzebski, JA, O'Brien, RT, Knipp, BS. Acoustic changes in the liver monitored with quantitative video signal analysis. Radiological Society of North America. Chicago, presented December 5, 1996.
Adams, WM, Dueland, RT, Meinen, J, O'Brien, RT, Giuliano, E. Early detection of canine hip dysplasia: comparison of five radiographic and two palpation techniques. American College of Veterinary Radiology. Chicago, IL. Presented December 4, 1996.
Singaram, C, Bass, P, Chignell, K, O'Brien, R, Dengel, G, Robbins, J, Sweet, M, Gaumnitz, E. "Characterization of the Chronically Denervated Opossum Lower Esophageal Sphincter", XV International Symposium on Gastrointestinal Motility, Rome, Presented November 1995. published in Neurogastroenterology and Motility 7: 287. 1995.
O'Brien, RT, Zagzebski, JA, Lu, ZF and Steinberg, H. "Ultrasonographic Characterization of Experimental Steroid Hepatopathy in Dogs", 10th International Veterinary Radiology Association. Philadelphia, Presented August 1994.
Lu, ZF, Zagzebski, JA, O'Brien, RT and Steinberg, H. "Ultrasonic Backscatter and Attenuation in an Experimental Steroid Hepatopathy Model" International Symposium on Ultrasonic Imaging and Tissue Characterization. Washington, D.C. Presented June 1994.
O'Brien, RT, Hodkiewicz, SA, Forrest, LJ. "A Retrospective Study of Umbilical Ultrasound in Calves". American College of Veterinary Radiologists. Presented December 1993.
Meinen, J, Dueland, RT, Adams, WM, O'Brien RT. "Correlation of Early Diagnosis of Hip Laxity by Stress Radiography, C.T., O.F.A. Radiography, Norberg Angles and Clinical Palpations. A Preliminary Report". Veterinary Orthopedic Society. Presented March 1993.
O'Brien, RT, Dueland, RT, Adams, WM, Meinen, J. "Ultrasound Diagnosis of Hip Dysplasia in Two Litters of Puppies". Veterinary Orthopedic Society. Presented March 1993.
O'Brien, RT, Yousem, D, Hendrick, MJ. "Magnetic Resonance Imaging of Nasal Disease in Cats". American College of Veterinary Radiology. Orlando, Florida. Presented August 1992.
O'Brien, RT, Wortman, JA, Orsini, PG. "Normal Anatomy of the Feline Nasal Cavity and Paranasal Sinuses: Comparison of Standard Radiography, X-Ray Computed Tomography and Magnetic Resonance Imaging". American College of Veterinary Radiology. Chicago, IL. Presented November 1990.
O'Brien, RT, Evans, SM, Wortman, JA, Hendrick, MJ. "Comparative Radiographic Signs of Feline Chronic Nasal Disease". American College Veterinary Radiology. Washington D.C. Presented October 1988.
Accepted Abstracts: (First Author, etc., title, year)
(most recent first)
Submitted Abstracts: (First Author, etc., title, year)
(most recent first)
Schliewert, E, Lascola, K, O’Brien, R, Clark-Price, S, Wilkins, P, Foreman, J, Mitchell, M. Comparison of radiographic and computer tomography images of the lung in healthy neonatal foals.
Proceedings: (Titles, location, date)
(most recent first)
O’Brien, RT, O’Brien, MA, Rodriguez, K, Hartman, S, McMichael, M, Rapaport, G. Comparison of microdose computed tomography cardiac angiography and echocardiography in cats with cardiomyopathy. EVDI annual scientific meeting. Cascais, Portugal. August, 2013.
Rodriguez, K, Hartman, S, McReynolds, C, Mulherin, A, O’Brien, M, O’Brien, R. Microdose computed tomographic cardiac angiography in normal cats. EVDI annual scientific meeting. Cascais, Portugal. August, 2013.
Rodriguez, K, Hartman, S, McReynolds, C, Mulherin, A, O’Brien, M, O’Brien, R. Microdose computed tomographic cardiac angiography in normal cats. ACVIM Forum in Seattle, WA. June, 2013
O’Brien, RT. How I scan an abdomen. Australasia Association of Veterinary Diagnostic Imaging. Melbourne, Austalia. November 17, 18, 2012.
O’Brien, RT. Abdominal lymph nodes. Australasia Association of Veterinary Diagnostic Imaging. Melbourne, Austalia. November 17, 18, 2012.
O’Brien, RT. Hepatic diseases. Australasia Association of Veterinary Diagnostic Imaging. Melbourne, Austalia. November 17, 18, 2012.
O’Brien, RT. Portal Imaging. Australasia Association of Veterinary Diagnostic Imaging. Melbourne, Austalia. November 17, 18, 2012.
O’Brien, RT. US contrast agents and availability. Australasia Association of Veterinary Diagnostic Imaging. Melbourne, Austalia. November 17, 18, 2012.
O’Brien, RT. Nonthoracic ultrasound. Australasia Association of Veterinary Diagnostic Imaging. Melbourne, Austalia. November 17, 18, 2012.
O’Brien, RT. Gastrointestinal tract. Australasia Association of Veterinary Diagnostic Imaging. Melbourne, Austalia. November 17, 18, 2012.
O’Brien, RT. Pancreas. Australasia Association of Veterinary Diagnostic Imaging. Melbourne, Austalia. November 17, 18, 2012.
O’Brien, RT. Urinary tract. Australasia Association of Veterinary Diagnostic Imaging. Melbourne, Austalia. November 17, 18, 2012.
O’Brien, RT. Computed tomography for the diagnosis of inflammatory respiratory diseases. Comparative Respiratory Society Meeting. Columbia, MO. October 23, 2012.
O’Brien, RT. How radiologists speak. International Veterinary Ultrasound Society Meeting. Jackson, WY. October 9-13, 2012
O’Brien, RT. Small Animal Ultrasound. Iowa Veterinary Medicine Association Meeting. Ames, IA. September 13, 2012.
O’Brien, RT. Heart Radiology. International Veterinary Radiology Association Meeting. Bursa, Turkey. August 26-31, 2012.
O’Brien, RT. Lung Radiology. International Veterinary Radiology Association Meeting. Bursa, Turkey. August 26-31, 2012.
O’Brien, RT. Thorax Radiology. International Veterinary Radiology Association Meeting. Bursa, Turkey. August 26-31, 2012
O’Brien, RT. Contrast ultrasound for the diagnosis of cancer in small animal patients. American College of Veterinary Ineternal Medicine. New Orleans, LA. May 31, 2012.
O’Brien, RT. The Better Mousetrap™: a device for computed tomography imaging of cats without general anaesthesia. European Association of Veterinary Diagnostic Imaging-British and Irish Division. Glasgow, UK. October 17, 2009.
O’Brien, RT. Clinical contribution and use of contrast ultrasonography for abdominal conditions in small animals. Keynote address at the International Veterinary Radiology Association. Buzios, Brasil. July 29, 2009.
O’Brien, RT. Liver and Pancreas Contrast Ultrasound Update. Comparative Gastroenterology Society Annual Meeting. Winter Park, CO. June 26, 2008.
O’Brien, RT. Contrast Ultrasound Imaging: Principles. Comparative Gastroenterology Society Annual Meeting. Winter Park, CO. June 26, 2008.
O’Brien, RT. Benign or malignant nodules? Contrast hepatic ultrasound. ACVIM Annual Forum. Seattle, WA. June 7, 2007.
O’Brien, RT. High frequency contrast ultrasound imaging. 2006 International Veterinary Ultrasound Society Meeting. Skye, Scotland. July 28, 2006.
O’Brien, RT. New Technologies in Ultrasound. 2006 International Veterinary Ultrasound Society Meeting. Grand Canyon, AZ. July 16, 2005.
O’Brien, RT. Lymph Node Ultrasound. ACVIM Annual Forum. Louisville, KS. June 2, 2005.
O’Brien, RT. DICOM images: PACS, DICOM and teleradiology. ACVIM Annual Forum. Baltimore, MD. June 1-4, 2005.
O’Brien, RT. New Technologies in Ultrasound. ACVIM Annual Forum. Baltimore, MD June 1-4, 2005.
O’Brien, RT, Matheson, J, Delaney, F, Iani, M. Contrast harmonic ultrasound for the characterization of liver nodules in dogs. 2003 International Veterinary Ultrasound Society Meeting, Chico Springs, MT. August 29, 2003
O'Brien, RT, Abdominal Vascular Imaging. 20th Annual American College of Veterinary Internal Medicine Forum. Dallas, TX. June 1, 2002.
O'Brien, RT, Conspicuity of normal abdominal organs and lesions with tissue harmonic ultrasound in cats and dogs. 20th Annual American College of Veterinary Internal Medicine Forum. Dallas, TX. May 30, 2002.
O'Brien, RT, Contrast harmonic ultrasound for characterization of lesions in 4 dogs and a cat with vascular disease. 20th Annual American College of Veterinary Internal Medicine Forum. Dallas, TX. May 30, 2002.
O'Brien, RT, Advances in Vascular Imaging. 20th Annual American College of Veterinary Internal Medicine Forum. Dallas, TX. May 30, 2002.
O'Brien, RT, Contrast harmonic ultrasound for characterization of tumor vascular and perfusion patterns. Ultrasound Contrast Research Symposium 2002 UCSD Department of Radiology. San Diego, CA February 23, 2002
Poster Presentations of Abstracts
Laitinen, M, O’Brien RT. Ultrasound guided transplenic portography for the diagnosis of portosystemic shunbts in dogs. European Veterinary Diagnosic Imaging meeting. Cascais, Portugal. August 2013.
Berry, SE, Chun, JL, O’Brien, RT, Wang, L, Kamath, A. Vessel-derived stem cells for therapy of skeletal and cardiac muscle in Duchenne muscular dystrophy. International Society for Stem Cell Research, 9th Annual Meeting, Toronto, 2011.
Berry, SE, Chun, JL, Wang, L, O’Brien, RT, Kamath, A. Vessel-derived stem cell therapy for skeletal and cardiac muscle in Duchenne muscular dystrophy. MDA National Scientific Conference: neuromuscular therapeutic strategies: overcoming the barriers from microscope to marketplace. Las Vegas, NV 2011
Chun, JL, O’Brien, R, Ferguson, D, Berry, SE. Aorta-Derived Mesoangioblasts differentiate into cardiomyocytes and restore dystrophin in cardiac muscle in mouse models for Duchenne muscular dystrophy (DMD). 2010 Phi Zeta research day. Presented April 9, 2010.
Chun, JL, O’Brien, R, Berry, SE. Aorta-Derived Mesoangioblasts differentiate into cardiomyocytes and restore dystrophin in cardiac muscle in mouse models for Duchenne muscular dystrophy. International Society of Stem Cell Research (ISSCR) poster presentation. Presented June 16, 2010.
Chun, JL, O’Brien, R, Berry, SE. Mesoangioblast cell therapy for cardiomyopathy in muscylar dystrophy. Joint UIC-UIUC workshop on Regenerative Biology and Tissue Engineering. Presented October 22, 2010.
C.R. Oliveira, G.J. Pijanowski, S.K. Hartman, M.A. O’Brien, M. McMichael, R.T. O’Brien. The VetMouseTrap: a device for computed tomography of dyspneic cats without general anesthesia October 1st 2009: Imaging at Illinois, Beckman Institute
C.R. Oliveira, G.J. Pijanowski, S.K. Hartman, M.A. O’Brien, M. McMichael, R.T. O’Brien. The VetMouseTrap: a device for computed tomography of dyspneic cats without general anesthesia. October 20th – 24th 2009: ACVR Meeting, Memphis, TN.
C.R. Oliveira, G.J. Pijanowski, S.K. Hartman, M.A. O’Brien, M. McMichael, R.T. O’Brien. The VetMouseTrap: a device for computed tomography of dyspneic cats without general anesthesia. October 28th – 30th 2009: Finnovet, Helsinki, Finland
O’Brien, RT, Matheson, J, Delaney, F, Iani, M. Contrast harmonic ultrasound for the characterization of liver nodules in dogs. 23rd Annual Veterinary Cancer Society Conference, Madison WI. September 26-29.
Zagzebski, JA, Madsen, E, Chen, Q, O'Brien, RT. Phantom for assessing contrast perfusion imaging. June 1-4, 2003 American Institute in Medicine, Montreal, Canada
O'Brien, RT. Contrast harmonic ultrasound for characterization of tumor vascular and perfusion patterns. 20th Annual American College of Veterinary Internal Medicine Forum. Dallas, TX. May 29 – June 1, 2002.
Waller, K, O’Brien, RT, Knipp, B, Zagzebski, J “Effect of Bodywall on Attenuation Measurement using Video Signal Analysis” American Institute of Ultrasound in Medicine, San Antonio, TX. March 15, 1999.
Lu, ZF, Zagzebski, JA, O'Brien, RT, Wilson, TA. "Comparison of Backscatter Parameters and Calibrated B-mode Image Data for Detecting Diffuse Liver Disease" Research and Recreation Day. School of Veterinary Medicine. Madison, WI. Presented April 7, 1995.
Lu, ZF, Zagzebski, JA, O'Brien, RT, Wilson, TA. "Comparison of Backscatter Parameters and Calibrated B-mode Image Data for Detecting Diffuse Liver Disease" American Institute of Ultrasound in Medicine, San Francisco. Presented March 1995.
Honors and Awards:
(most recent first)
2011 Dr. Erwin Small Teaching Excellence Award in Veterinary Medicine
1995 UW-Madison nominee for SAVMA Teaching Excellence
Award in Clinical Science
1993 Distinguished Instructor Award
1987 Small Animal Medicine Excellence Award
1987 Phi Zeta Veterinary Honor Society
1986 Alpha Psi Alumni Scholarship Award
1986 Mervin G. Smith Scholarship
1978 Sigma Xi Research Society
1976 Junior Year in Canada Award
Professional Organizations/Activities and Licensure:
Veterinary Ultrasound Society
1998 President-elect
1999 President
2000 Past-president
2001-2011 representative to ACVIM Forum Subcommittee
American College of Veterinary Internal Medicine
2000 – present ACVIM Forum Program Subcommittee member
2001 Moderator: Veterinary Ultrasound Society program
2003 Moderator: Veterinary Ultrasound Society program
2002 – 2010 Coordinator for all imaging wet labs and film reading
American College Veterinary Radiology
1998 Moderator: Ultrasound Section
1999 Moderator: Ultrasound Section
Creator & Moderator: Special Session in Ultrasound Physics
2000 Program Co-chairman
2000 Moderator: Film reading session
2001 Program Chairman
2003-2004 Co-coordinator for combined ACVR-IVUSS meeting (Montreal 2004)
2012-present Member of Examination Committee
International Veterinary Ultrasound Society
2001-2002 Chair of Organizing Committee
2001-2004 President
2001-2012 Chair of Program Committee
2004-present Executive Director
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