Use of distal venous limb as a conduit for intraoperative confirmation of arteriovenous fistula flow. | [Pakistan Journal of Medical Sciences • 2006]

Author(s):

1. Abdol Hassan Talaiezadeh: Department of Surgery, Imam Khomeini Hospital, Medical School, Ahwaz Jundishapour University of Medical Sciences, Ahwaz, Iran

Abstract:

Thrombosis due to low blood flow in Arterio Venous Fistulas (AVF) created in extremities of Chronic Renal Failure (CRF) patients is a common cause of primary failure of AVE Thrombosis commonly occurs primarily in inflow arterial limb or outflow venous limb during anastomosis caused by proximal and distal vessels control. Spasm of the supplying artery can accelerate this phenomenon. In this clinical trial, we used distal venous limb as a conduit for revision and reconfirmation of blood flow in AVF at the end of operation. University Hospitals of Imam Khomeini and Sina during 1994 to 2002. Three hundred seventy eight CRF patients were operated on the upper extremities by this technique. We revived AVF blood flow by washing with a catheter and proximal arterial limb dilatation through distal venous conduit. Two hundred sixty (68.8%) out of 378 patients had inadequate blood flow in AVF at the end of operation. Using distal venous conduit we could successfully reestablish acceptable blood flow with good thrill in 242(93%) of them. Use of distal venous limb as an intraoperative conduit for revision and reconfirmation of blood flow of AVF can prevent primary thrombosis and failure of AVFs.

Page(s): 308-309

DOI: DOI not available

Published: Journal: Pakistan Journal of Medical Sciences, Volume: 22, Issue: 3, Year: 2006

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