Objectives: to evaluate preoperative clinical, surgical and instrumental variables as predictors of postoperative cardiac events in patients undergoing different types of elective major vascular surgery.
Material And Methods: on the basis of an algorithm including clinical and test echocardiographic data, we prospectively stratified 604 consecutive patients into low, intermediate and high-risk groups. The value of the variables in predicting postoperative cardiac events was assessed by means of multivariate analysis.
Results: there were 16 major postoperative cardiac events and six of 16 postoperative deaths were cardiac related (1%). Significant predictors of cardiac complications were unrecognised myocardial infarction (odds ratio - (OR) 5.6), coronary artery disease (OR 2.5), severe hypertension (OR 2.1) and peripheral vascular surgery (OR 1.9). In the intermediate-risk group, the best correlates with cardiac complications were unrecognised myocardial infarction (OR 3.3) and diabetes (OR 2.5).
Conclusions: our results suggest the importance of identifying patients with unrecognised ischaemic heart disease and of using aggressive perioperative protocols for managing diabetic patients undergoing peripheral vascular procedures.
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