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William E. Evans, MD; Thomas M. O'Dorisio, MD; William Molnar, MD; Edward W. Martin, Jr, MD; Charles F. Wooley, MD; Marc Cooperman, MD

Arch Surg. 1978;113(4):410-412.

Abstract
• Intestinal arteriovenous malformation (AVM) is an uncommon cause of gastrointestinal hemorrhage and is difficult to diagnose. Selective visceral angiography is essential to make the diagnosis and to localize the lesion. We treated two patients in whom AVMs of the small intestine were located by means of arteriography and intraoperative selective mesenteric venous pressure and Po₂ measurements. The local venous return from an intestinal AVM is characterized by elevated venous pressure and Po₂ levels compared with the venous drainage of adjacent normal intestine.

(Arch Surg 113:410-412, 1978)

Author Affiliations
From the Departments of Surgery (Drs Evans, Martin, and Cooperman), Medicine (Drs O'Dorisio and Wooley), and Radiology (Dr Molnar), Ohio State University Hospitals, Columbus.

Footnotes
Read before the 85th annual meeting of the Western Surgical Association, Las Vegas, Nov 15, 1977.

Reprint requests to Department of Surgery, Ohio State University Hospitals, 410 W Tenth Ave, Columbus, OH 43210 (Dr Cooperman).