Survival at 5 to 10 years after aorto-coronary bypass operations in 1041 consecutive patients
European Heart Journal
|May 1, 1987
Summary
Aorto-coronary bypass surgery offers good long-term survival, but outcomes are less favorable for patients with impaired left ventricular function or extensive vascular disease. Cardiac events are the primary cause of late deaths post-surgery.
Area of Science:
- Cardiovascular Surgery
- Clinical Outcomes Research
- Longitudinal Patient Studies
Background:
- Aorto-coronary bypass (ACB) operations are a common intervention for coronary artery disease.
- Understanding long-term survival and factors influencing outcomes is crucial for patient management.
Purpose of the Study:
- To evaluate the long-term survival rates of patients undergoing aorto-coronary bypass operations.
- To identify predictors of mortality in this patient cohort.
Main Methods:
- A cohort of 1041 consecutive patients undergoing ACB operations were followed for a mean of 7.5 years.
- Peri-operative mortality and late deaths were recorded.
- Stepwise multivariate analysis was used to identify factors associated with death rate.
Main Results:
- Peri-operative mortality was 1.2%.
- The 5-year survival probability was 92% and 10-year survival was 79%.
- Impaired left ventricular function and extent of vascular disease were significantly associated with increased death rates.
Conclusions:
- Aorto-coronary bypass surgery provides a good probability of survival.
- Long-term prognosis is less favorable in patients with pre-existing impaired left ventricular function or extensive coronary artery disease.
- Cardiac events are the main cause of late mortality after ACB surgery.
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