In January 2007, investigators reported the results of cardiac magnetic resonance imaging (CMR) before and after myectomy (n = 24) or alcohol septal ablation (n = 24). [9] The findings ...

[3] septal myectomy is associated with persistent, long-lasting improvement in disabling symptoms and exercise capacity as well as a decreased frequency of syncope 5 or more years after surgery.

For instance, those who underwent septal myectomy at low-volume centers or ... Procedural Volume and Outcomes After Septal Reduction Therapies in Hypertrophic Obstructive Cardiomyopathy, Journal ...

This lack of experience translated into worse outcomes for patients. For instance, those who underwent septal myectomy at low-volume centers or by low-volume operators faced nearly double the risk of ...