Volvulus pathophysiology: Difference between revisions
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==Overview== | |||
==Pathophysiology== | |||
Regardless of cause, volvulus causes symptoms by two mechanisms. One is [[bowel obstruction]], manifested as abdominal distension and vomiting. The other is [[ischemia]] (loss of blood flow) to the affected portion of intestine. This causes severe pain and progressive injury to the intestinal wall, with accumulation of gas and fluid in the portion of the bowel obstructed.<ref>Medical Terminology Systems: A Body Systems Approach, 2005</ref> Ultimately, this can result in [[necrosis]] of the affected intestinal wall, [[acidosis]], and death. Acute volvulus therefore requires immediate surgical intervention to untwist the affected segment of bowel and possibly [[bowel resection|resect]] any unsalvageable portion.<ref>Medical Terminology Systems: A Body Systems Approach, 2005</ref> | |||
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Revision as of 17:29, 4 September 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Pathophysiology
Regardless of cause, volvulus causes symptoms by two mechanisms. One is bowel obstruction, manifested as abdominal distension and vomiting. The other is ischemia (loss of blood flow) to the affected portion of intestine. This causes severe pain and progressive injury to the intestinal wall, with accumulation of gas and fluid in the portion of the bowel obstructed.[1] Ultimately, this can result in necrosis of the affected intestinal wall, acidosis, and death. Acute volvulus therefore requires immediate surgical intervention to untwist the affected segment of bowel and possibly resect any unsalvageable portion.[2]