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June 1980

Ileosigmoid Knot

Author Affiliations

From the Department of General Surgery, Scott and White Hospital, Temple, Tex.

Arch Surg. 1980;115(6):761-763. doi:10.1001/archsurg.1980.01380060059017

• The ileosigmoid knot (ISK) is a variant of midgut volvulus in which a loop of ileum wraps around the base of an elongated sigmoid colon and passes beneath itself forming a knot. A long small bowel mesentery and a sigmoid colon on a narrow pedicle are necessary prerequisites, but the wide variation in incidence of ISK across the world seems to be related to dietary habits. Rapid fluid resuscitation, preoperative broad-spectrum antibiotics, methylprednisolone in the presence of shock, and immediate laparotomy may improve the high mortality.

(Arch Surg 115:761-763, 1980)

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