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Background: Alcohol septal ablation is recommended for hypertrophic obstructive cardiomyopathy patients who had refractory symptoms despite optimal medical treatment. We compared the periprocedural, short-, and long-term clinical outcomes and mortality predictors in hypertrophic obstructive cardiomyopathy patients who underwent alcohol septal ablation. Methods: Hypertrophic obstructive cardiomyopathy patients aged ≥18 years (63 females and 71 males) who underwent alcohol septal ablation were included. The primary endpoint was all-cause mortality. Results: The mean patient age was 60.0 (standard deviation 13.7) years. The median follow-up time was 13 (7.6-18.5) years. During the procedure, 9, 2, and 1 patients developed ventricular fibrillation, remote site myocardial infarction, and pericardial tamponade, respectively, but none died. One patient died during hospitalization. During the long-term follow-up, 17, 5, 20, and 8 patients developed heart failure, myocardial infarction, chronic atrial fibrillation, and non-fatal stroke, respectively, and 24 died. There was no significant difference between the sexes (all P >.05). Age (hazard ratio=0.69, 95% CI=0.61‒0.78, P |
