PRESERVATION OF SUPERIOR HEMORRHOIDAL ARTERY IN RESECTION OF COLON AND RECTUM

  • 1 January 1976
    • journal article
    • research article
    • Vol. 143  (6) , 919-925
Abstract
As an alternative to anterior resection of the rectum requiring ligature of the inferior mesenteric artery at its origin, it is proposed to do this procedure preserving the inferior mesenteric artery and freeing it as far as the origin of the superior hemorrhoidal artery and its division into rectal branches to improve the blood supply to the rectal stump. The results of this new procedure were compared with those of anterior resection. Postoperatively, the blood supply of the rectum was studied by angiography. The results of 84 anterior resections for neoplastic disease of the colon were studied. In 56 patients, the inferior mesenteric artery was preserved and in 28 the inferior mesenteric artery was ligated. Postoperative complications due to leakage of the colorectal anastomosis rarely occurred in the 1st group and were frequent in the latter. In patients in whom the inferior mesenteric artery was preserved, arteriograms showed that vascularization of the preserved rectal stump is supplied by branches of the superior hemorrhoidal artery.

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