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  • Title: The effect of preoperative statin therapy on cardiovascular outcomes in patients undergoing infrainguinal vascular surgery.
    Author: Ward RP, Leeper NJ, Kirkpatrick JN, Lang RM, Sorrentino MJ, Williams KA.
    Journal: Int J Cardiol; 2005 Oct 10; 104(3):264-8. PubMed ID: 16186054.
    Abstract:
    BACKGROUND: Patients undergoing vascular surgery are at increased risk for perioperative cardiovascular (CV) complications. Our goal was to determine the effect of preoperative statin therapy on perioperative cardiac and vascular outcomes, and long-term survival in patients undergoing infrainguinal vascular bypass surgery. METHODS: We retrospectively reviewed consecutive infrainguinal vascular bypass surgeries on 446 patients performed between 1995-2001 at the University of Chicago Medical Center. Information was collected on preoperative statin and beta-blocker use, baseline characteristics, perioperative cardiac and major vascular complications, and length of stay (LOS). Long-term survival was assessed using the Social Security Death Index (SSDI). RESULTS: Thirty day perioperative complications included all-cause mortality (2.5%), CV mortality (1.8%), myocardial infarction (MI) (4.7%), stroke (1.1%), and major peripheral vascular complications (12.8%), and the composite of cardiac and vascular complications [combined CV complications] (17.9%). Statin therapy was associated with fewer combined CV complications (6.9% vs 20.1%, p=0.008), and a shorter LOS (6.4 vs 9.7 days, p=0.007). On multivariate logistic regression analysis, adjusting for significant baseline characteristics including beta-blocker use, statin therapy was independently associated fewer combined CV complications (odds ratio (OR) 0.36, 95% confidence interval (CI) 0.14-0.93, p=0.035) and a shorter LOS (OR 1.49, 95% CI 1.14-1.95, p=0.003). In a mean follow up period of 5.5 years, 215 deaths (48%) occurred. Statin therapy was independently associated with improved long-term survival (OR 0.52, 95% CI 0.32-0.84, p<0.004), after adjusting for significant baseline characteristics. CONCLUSION: Preoperative statin therapy is associated with fewer combined perioperative cardiac and major vascular complications, a shorter length of stay, and improved long-term survival in patients undergoing infrainguinal vascular bypass surgery.
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