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The Journal of Thoracic and Cardiovascular Surgery, Vol 93, 56-61, Copyright © 1987 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association
MH Fox, HW Gruchow, JJ Barboriak, AJ Anderson, RG Hoffmann, RJ Flemma and JF King
It is estimated that as many as 7% of patients who have an aorta- coronary
bypass operation will require a second bypass procedure within 10 to 12
years. Using information from the Milwaukee Cardiovascular Data Registry,
we matched 166 men who underwent two coronary bypass operations at least 6
months apart, between 1968 and 1981, with 428 patients who had a single
procedure. Patients were matched according to date of operation and left
ventricular wall motility function for analysis of risk factors for repeat
operation. Elevated triglyceride levels were found to be the strongest risk
factors associated with reoperation. In addition, both younger age and less
complete revascularization during the first operation were significant
predictive factors of repeat operation. The results suggest that efforts to
reduce plasma triglyceride levels and ensure adequate revascularization may
significantly reduce the need for repeat coronary bypass.
ARTICLES
Risk factors among patients undergoing repeat aorta-coronary bypass procedures
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