Duplex Evaluation for Celiac Artery Stenosis or Compression

[Pages:24]Duplex Evaluation for Celiac Artery Stenosis or Compression

Ed Ronningen, BS, RVT Imaging Services Manager

UC Davis Health System

No Financial Disclosures

Exam Preparation Requested

- Fasting 6-8 hours prior to testing

- SMA and Celiac velocity criteria established for patients in fasting state - Minimize bowel gas - SMA changes from high resistance to low resistance post prandial

- Medications can be taken with a little water as needed

Patient positioning

- Patient supine in a slight reverse Trendelenburg position

Proximal Abdominal Aorta

Evaluate for evidence of plaque or stenosis

Proximal Abdominal Aorta

Document Aorta waveform and velocity

Celiac Artery Documentation

B-mode documenting presence or absence of plaque/calcification

Color Doppler

Celiac Artery and branches

Pulse Wave Doppler - Celiac

Document velocities at origin, proximal, mid, and

distal segments

If 60? angle cannot be obtained, align

appropriately at < 60?

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