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A twisting of the bowel upon itself so as to occlude the lumen and, in severe cases, compromise its circulation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



acute intestinal obstruction, twisting of part of the intestine and mesentery with blockage of the blood circulation from the root of the mesentery to the intestinal lumen.

Volvulus may result from the intestine twisting around its own axis, with the mesentery around the mesenteric axis, or with the mesentery around another intestinal loop (for example, loop of the small intestine with the mesentery around the sigmoid colon). The latter leads to knotting, or intestinal loops that are difficult to untie.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
The improbable concurrent diagnoses of gastric volvulus and leprosy initially led us to speculate that a prolonged gastroparesis in the setting of infection and systemic inflammation led to massive gastric distention and only secondarily to subsequent intermittent volvulus.
Three anatomic categories of gastric volvulus have been identified: organoaxial, mesenteroaxial, and combination.
Kuan, "Acute gastric volvulus: a rare but real surgical emergency," American Journal of Emergency Medicine, vol.
Gastric volvulus is defined as an abnormal, acquired rotation of the stomach of more than 180 degrees, creating a closed loop obstruction.
Lofrus observed, the clinical presentation and endoscopic findings raise a red flag for chronic gastric volvulus. In particular, the reported earlier difficulty in passing the endoscope suggests a mechanical problem.
In primary gastric volvulus, the diaphragm is usually intact and pathology lies in the abnormal fixation of the stomach owing to lax attachments.
Gastric volvulus is potentially lifethreatening with mortality rates as high as 50% as the major causes of death are secondary to complications from strangulation including perforation, hemorrhage, and shock [1, 2, 7].
Gastric volvulus: Two cases and a review of the literature.
Complications include pancreatitis, bowel obstruction, gastric volvulus, gastric and duodenal compression and most commonly splenic infarction.
Clinical suspicion of acute gastric volvulus is based on Borchart's triad: (i) severe, sudden epigastric pain; (ii) intractable retching without vomit production; and (iii) inability to pass a nasogastric tube into the stomach.
There are 2 major types of gastric volvulus, organoaxial and mesenteroaxial.
[6] The infants presented in later life had recurrent mild respiratory illnesses, chronic pulmonary disease, pneumonia, effusion, empyema, and gastric Volvulus.