Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
SMA syndrome
Introduction
Synonyms and keywords: superior mesenteric artery syndrome
Overview
Overview
SMA syndrome occurs when the superior mesenteric artery (SMA) dilates and compresses the third (horizontal) part of the duodenum between it and the abdominal aorta.
Epidemiology and Demographics
Epidemiology and Demographics
It is a relatively rare disease and occurs mostly in middle-aged women.
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]