Survival 'superior' with myectomy for obstructive hypertrophic cardiomyopathy

Advances in surgical technique for septal reduction suggest ablative therapy should no longer be routinely offered, cardiologists say

Myectomy is associated with lower all-cause mortality compared with septal ablation in patients with obstructive hypertrophic cardiomyopathy who require septal reduction, a retrospective study shows.

In one of the most comprehensive outcomes studies of septal reduction therapy to date, Mayo Clinic-led researchers reviewed records for nearly 4000 patients undergoing one or other of the procedures.

They found that, compared with alcohol septal ablation (ASA), septal myectomy was

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