Superior Mesenteric Artery Syndrome

**Superior Mesenteric Artery Syndrome (SMAS)**

**Description:**
Superior Mesenteric Artery Syndrome is a rare condition where the superior mesenteric artery compresses the duodenum, hindering digestion and nutrient absorption.

**Symptoms:**
– Abdominal pain after meals
– Nausea and vomiting
– Distension or bloating
– Weight loss and malnutrition
– Chronic diarrhea or constipation

**Causes:**
– Trauma
– Growth disorders (e.g., kyphosis)
– Prolonged fasting
– Vascular abnormalities

**Diagnosis:**
– Physical exam
– Imaging tests (X-ray, CT scan, endoscopy)
– Swallowable capsule study

**Treatment:**
– Nutritional support (via nasogastric tube, IV fluids)
– Gastric decompression (venting stomach contents)
– Surgery (in severe cases)
– Lifestyle modifications (e.g., small, frequent meals)

**Keywords:** Superior mesenteric artery, duodenal compression, abdominal pain, weight loss, malnutrition, nutrient malabsorption, trauma, imaging tests, endoscopy