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The acute form of the disease often presents with sudden severe abdominal pain and is associated with a high risk of death. [1] The chronic form typically presents more gradually with abdominal pain after eating, unintentional weight loss, vomiting, and fear of eating. [1] [2]
This causes symptoms due to the shift of fluid into the intestinal lumen, with plasma volume contraction and acute intestinal distention. [3] Osmotic diarrhea, distension of the small bowel leading to crampy abdominal pain, and reduced blood volume can result. Late dumping syndrome occurs 2 to 3 hours after a meal.
Superior mesenteric artery compressing the duodenum, featuring the superior mesenteric artery syndrome. Superior mesenteric artery (SMA) syndrome is a gastro-vascular disorder in which the third and final portion of the duodenum is compressed between the abdominal aorta (AA) and the overlying superior mesenteric artery.
The most common symptoms of a duodenal ulcer are waking at night with upper abdominal pain, and upper abdominal pain that improves with eating. [1] With a gastric ulcer, the pain may worsen with eating. [7] The pain is often described as a burning or dull ache. [1] Other symptoms include belching, vomiting, weight loss, or poor appetite. [1]
[10] Abdominal discomfort or pain is common, affecting 90% of gastroparesis patients. Idiopathic gastroparesis patients may experience more abdominal pain than diabetic gastroparesis patients. [13] Physicians believe that postprandial epigastric pain is the most common symptom of gastroparesis. [14] Abdominal pain has a wide range of symptoms.
Symptoms of abdominal angina include postprandial abdominal pain, weight loss, diarrhea, nausea, vomiting, and an aversion or fear of eating caused by the pain associated with eating. [2] Abdominal angina usually starts 30 minutes after eating and persists for one to three hours. Individuals typically express the pain as a dull ache by ...
Weight loss is often observed (42.2%) at an average loss of 9.6 kilograms, and is more common in cases where the disorder has gone undiagnosed for a longer period of time, [3] though this may be expected of the nutrition deficiencies that often accompany the disorder as a consequence of its symptoms. [3]
The abdominal pain may be related to meals, may be accompanied by weight loss, and may be associated with an abdominal bruit heard by a clinician. The diagnosis of MALS is one of exclusion, as many healthy patients demonstrate some degree of celiac artery compression in the absence of symptoms.