• Gijs M J M Welten, Michel Chonchol, Sanne E Hoeks, Olaf Schouten, Martin Dunkelgrün, Yvette R B M van Gestel, Dustin Goei, Jeroen J Bax, Ron T van Domburg, and Don Poldermans.
• Department of Vascular Surgery, Erasmus Medical Center, Rotterdam, The Netherlands.
• Am. Heart J. 2007 Nov 1;154(5):954-61.

BackgroundLittle is known about the association between baseline kidney function, statin therapy, and outcome after vascular surgery in patients with and without chronic kidney disease.MethodsA total of 2126 patients underwent elective major vascular surgery and were divided into 2 categories based on baseline creatinine clearance (CrCl), calculated using the Cockcroft-Gault equation: CrCl > or = 60 mL/min (n = 1358, reference) and CrCl < 60 mL/min (n = 768). Outcome measures were 30-day and long-term all-cause, cardiac, and cerebrocardiovascular mortality. Mean follow-up was 6.0 +/- 3.7 years. Multivariate Cox regression analysis, including potential confounders and propensity score for statin use, was applied. Data are presented as hazard ratios (HRs) with 95% CI.ResultsThirty-day all-cause, cardiac, and cerebrocardiovascular mortality rates were 3.8% versus 10.2%, 1.3% versus 4.2%, and 2.7% versus 7.8%, respectively, according to the 2 categories of kidney function. In addition, long-term all-cause, cardiac, and cerebrocardiovascular mortality rates were 46.6% versus 72.5%, 14.6% versus 26.4%, and 23.0% versus 40.6%, respectively. Statin therapy was associated with an overall significant improved 30-day and long-term all-cause mortality, independent of other important confounders. However, in patients with a CrCl > or = 60 mL/min, the long-term cardiac and cerebrocardiovascular beneficial effects did not reach statistical significance (HR 0.93, 95% CI 0.61-1.41 and HR 0.89, 95% CI 0.63-1.24, respectively) when compared with patients with a CrCl of < 60 mL/min (HR 0.63, 95% CI 0.41-0.96 and HR 0.67, 95% CI 0.48-0.94, respectively).ConclusionsThe level of kidney function is an independent predictor of short- and long-term outcome after major noncardiac surgery. In addition, perioperative statin use in patients with kidney disease is associated with a reduction in the short- and long-term all-cause, cardiac, and cerebrocardiovascular mortality.

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