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Ischemic cardiomyopathy: midterm survival and its predictors
Nigel Pinto1, Brian Haluska, Julie Mundy
1Department of Cardiothoracic Surgery, Princess Alexandra Hospital, Brisbane, Australia.
Asian Cardiovascular & Thoracic Annals
|January 4, 2013
Summary
Myocardial revascularization improves heart function and survival in ischemic cardiomyopathy patients. Cerebrovascular disease and arrhythmias predict poorer outcomes after this procedure.
Area of Science:
- Cardiology
- Cardiac Surgery
Background:
- Ischemic cardiomyopathy significantly impacts long-term survival.
- Myocardial revascularization is a potential treatment option.
Purpose of the Study:
- To analyze all-cause mortality after myocardial revascularization for ischemic cardiomyopathy.
- To identify predictors of long-term survival in these patients.
Main Methods:
- Retrospective analysis of 101 patients with stable coronary artery disease and low ejection fraction (<30%).
- Data collected between April 2000 and June 2010.
- Follow-up averaged 56.3 months, with 97% completeness.
Main Results:
- Operative mortality was 1.9%.
- Left ventricular ejection fraction improved significantly post-surgery (25.99% to 34%, p <0.0001).
- 18.75% experienced late deaths; 10-year survival was 75%. Preoperative arrhythmia and cerebrovascular disease were linked to higher mortality.
Conclusions:
- Myocardial revascularization enhances left ventricular ejection fraction and offers favorable long-term survival in ischemic cardiomyopathy.
- Preoperative arrhythmias and cerebrovascular disease are critical factors associated with adverse outcomes.
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