SDMS CME Credit – Occlusive Thrombosis of the Superior Mesenteric Vein Following Duodenal Switch Procedure: A Case Study

The opportunity to earn SDMS CME credit is complimentary for SDMS members and available for a fee to non-members. Access the SDMS CME test at: learn.sdms.org

Article: Occlusive Thrombosis of the Superior Mesenteric Vein Following Duodenal Switch Procedure: A Case Study

Authors: Rachel Wiese and Lori Kimbrow, MEd, RDCS, RDMS, RVT

Category: Abdominal [AB]

Credit: 0.50 SDMS CME Credit

Objectives: After studying the article, you should be able to:

• Describe a Biliopancreatic Diversion with Duodenal Switch procedure.

• Identify the risk of developing thrombosis of the portomesenteric veins post bariatric surgery.

• Explain the role that ultrasound can play in diagnosing superior mesenteric vein (SMV) thrombosis.

1. What is a body mass index (BMI) of >30 known as?

2. B. Overweight

3. C. Obesity

4. D. Morbid obesity

When do most cases of portomesenteric vein thrombosis (PVT) occur?

A. 2-4 days post operation

B. 6-8 days post operation

C. 2-4 weeks post operation

D. 6-8 weeks post operation

Figure 3 demonstrates the absence of flow in the proximal portion of the stent, with flow present in the:

A. Hepatic vein

B. Portal vein

C. Superior mesenteric vein

D. Inferior mesenteric vein

What modality most often diagnoses superior mesenteric vein (SMV) thrombosis?

A. Ultrasound

B. MRI

C. Non-contrast-enhanced CT

D. Contrast-enhanced CT

What is the percentage rate of patency of an SMV stent at 1 year?

A. 65.9%

B. 79.1%

C. 81%

D. 90%