Abstract
IntroductionCoronary disease is the main cause for heart failure in the world. However, the option of revascularization is often denied to patients with severe ventricular dysfunction. MotivationTo describe clinical characteristics and mortality after 1 and 6 months of patients with an ejection fraction less than or equal to 35% who underwent coronary revascularization in a Colombian reference centre. MethodsRetrospective, descriptive, observational study. Results1133 patients who had surgery between January 2009 and 2013 were included, of whom 77 had ventricular ejection fraction of less than or equal to 35%. Average age was of 63 years (37-82). Average ejection fraction was 31% (15-35%). Registered end-diastolic diameter averaged 30.2 (22.1-39.2). Indication for revascularization was acute myocardial infarction in 75.6% and chronic heart failure in 24% of the cases. 30-day mortality rate was 8.1% and 6-month mortality was 13.5%. Improvement of ventricular ejection fraction was seen on 81% of the patients. Myocardial viability assessment before revascularization was conducted in only 5 cases (6.6%). ConclusionsThis study suggests that the prognosis of patients with severe systolic dysfunction who undergo revascularization surgery is similar to other studies and additionally helps improve ejection fraction.
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