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Abdominal aortic aneurysm surgery: the basic evaluation of cardiac risk
1Department of Surgery, Vanderbilt University School of Medicine, Nashville, Tennessee 37232.
Annals of Surgery
|December 1, 1988
Summary
Detecting coronary artery disease (CAD) before abdominal aortic aneurysm (AAA) surgery is crucial. Careful evaluation and monitoring allow low-risk surgery for patients without clinically evident CAD.
Area of Science:
- Cardiology
- Vascular Surgery
Background:
- Coronary artery disease (CAD) treatment before abdominal aortic aneurysm (AAA) surgery improves outcomes.
- Optimal CAD detection methods before AAA surgery remain debated.
Purpose of the Study:
- To evaluate the risk of cardiac complications in patients with AAA undergoing surgery.
- To assess the effectiveness of pre-operative CAD detection methods.
Main Methods:
- 160 AAA patients were stratified using Goldman's risk factors.
- Pre-operative CAD assessment included clinical evaluation, stress ECG, and radionuclide studies.
- Perioperative monitoring involved serial ECGs, enzyme levels, filling pressures, and cardiac output.
Main Results:
- No operative mortality was observed.
- Incidence of myocardial infarction was 3.7%, heart failure 2.5%, and arrhythmias 8.1%.
- Cardiac complications were infrequent in patients without clinically evident CAD and those in Goldman's classes I and II.
Conclusions:
- Careful pre-operative evaluation and perioperative monitoring enable low-risk AAA surgery for patients without clinically detectable CAD.
- Goldman's risk stratification can aid in identifying high-risk patients.