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J Vasc Surg. 2011 Aug;54(2):474-9. doi: 10.1016/j.jvs.2011.01.041. Epub 2011 Mar 31.

High-sensitivity C-reactive protein predicts cardiovascular events and myocardial damage after vascular surgery.

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  • 1Division of Cardiology and Cardiac Rehabilitation, S. Maugeri Foundation, Institute of Cassano Murge, Bari, Italy.



To assess the association of high-sensitivity C-reactive protein (hsCRP) to adverse cardiovascular events and perioperative myocardial damage in patients after elective vascular surgery.


This was a prospective observational study in a tertiary-care teaching hospital, with 239 patients undergoing elective vascular surgery. The receiver-operating characteristic (ROC) curve was calculated to assess the optimal cut-off value of hsCRP. Odds ratios (ORs) with 95% confidence intervals (CIs) were calculated. Multiple logistic regression analysis was used to identify the predictors of the primary outcome. The primary outcome was a composite of periprocedural myocardial damage, defined as cardiac troponin I (cTn-I) elevation above the decision limit of 0.15 μg/L, death, acute coronary syndrome, stroke, acute heart failure, or intrastent thrombosis within 30 days of surgery.


On ROC analysis, the optimal cut-off value of hsCRP was 3.2 mg/L. The primary outcome occurred in 48 patients (20.1%). On univariate analysis, smoking (P = .009), known hypercholesterolemia (P = .01), previous ischemic heart disease (P = .0003), open surgery (P = .03), and hsCRP levels (P < .0001) were associated with the primary outcome. On multiple logistic regression analysis, only hsCRP was independently associated with the primary outcome. The unadjusted and adjusted ORs for the primary outcome among patients with hsCRP levels >3.2 mg/L were 7.5 (CI, 3.7-15.2; P < .0001) and 4.6 (CI, 2.1-9.9; P = .0001), respectively.


Our data suggest that higher levels of hsCRP are independently associated with an increased risk of perioperative myocardial damage and early adverse cardiovascular events in patients undergoing elective vascular surgery. This may have implications for risk stratification and therapeutic approach.

Copyright © 2011 Society for Vascular Surgery. Published by Mosby, Inc. All rights reserved.

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