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The Probability of Closure in Aortocoronary Vein Bypass Grafts
Alfred A. Rimm, PhD;
Steven Blumlein, ScB;
Joseph J. Barboriak, ScD;
Alfred J. Anderson, MS;
John A. Walker, MD;
W. Dudley Johnson, MD
JAMA. 1976;236(23):2637-2640.
Abstract
A study of 540 patients who had the aortocoronary vein bypass operation (from several transplant teams) showed that grafts within a patient closed independently of one another during the first two-year postoperative period. For patients with a single vein graft, there was a 23% chance of closure during the first two-year postoperative period. The chance that all grafts would close during this period for patients with two grafts was 5%, and it was 1% for patients with three grafts. The knowledge of these closure probabilities may be used by the surgeon when planning the optimal surgical maneuver.
(JAMA 236:2637-2640, 1976)
Author Affiliations
From the Department of Preventive Medicine (Drs Rimm and Anderson) and Pharmacology (Dr Barboriak), The Medical College of Wisconsin, Milwaukee (Mr Blumlein); Research Service, Wood Veterans Administration Hospital (Dr Barboriak); and the Departments of Medicine (Dr Walker) and Surgery (Dr Johnson), St Luke's Hospital, Milwaukee.
Footnotes
Reprint requests to Department of Preventive Medicine. The Medical College of Wisconsin, 1725 W Wisconsin Ave, Milwaukee, WI 53233 (Dr Rimm).
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