[Cardiac morbidity and fatalities in patients with vascular surgery. Identification of risk groups]
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Identifying cardiac complications in arterial vascular surgery is crucial. Age, renal dysfunction, and heart failure are key risk factors, increasing patient mortality and morbidity.
Area of Science:
- Cardiology
- Vascular Surgery
- Critical Care Medicine
Context:
- Arterial vascular surgery carries significant risks of cardiac complications.
- Prospective investigation of 701 patients undergoing arterial vascular surgery.
- Cardiac complications contributed to 57% of deaths in the study cohort.
Purpose:
- To identify high-risk patient groups for cardiac complications during arterial vascular surgery.
- To determine independent risk factors associated with cardiac morbidity.
- To develop a clinical algorithm for assessing cardiac risk.
Summary:
- Cardiac morbidity was 10.1% in 701 patients undergoing arterial vascular surgery.
- Independent risk factors for cardiac complications include advanced age, impaired renal function, and congestive heart failure.
- Patients with over two risk factors (arrhythmia, coronary artery disease, anemia, emergency surgery) had a 27.8% morbidity rate.
Impact:
- The study identifies key predictors of cardiac complications in vascular surgery patients.
- Results enable stratification of patients into distinct cardiac risk groups.
- A clinical algorithm is proposed for enhanced cardiac assessment in high-risk individuals.
Abstract:
Incidence and type of cardiac complications in 701 patients undergoing arterial vascular surgery were prospectively investigated to identify high-risk groups. Cardiac morbidity was 10.1%. Cardiac complications were responsible for 28 deaths (57%). Using logistic regression analysis, age (cardiac morbidity greater than 7017.3%), impaired renal function (19.8%), and congestive heart failure (17.3%) were the main independent risk factors. In addition, 4 risk factors (arrhythmia, coronary artery disease, anemia, emergency surgery) showed significant individual association with cardiac complications. Cardiac morbidity increased to 27.8% in patients with more than 2 of these 7 risk factors. A further association could be demonstrated between the degree of peripheral vascular disease and cardiac morbidity, but not with the extent of the operation. Based on our results a distinction between three groups of different cardiac risk can be made. A clinical algorithm for further cardiac assessment in high-risk patients is presented.