Key result
Transaortic septal myectomy reduced the left ventricular outflow tract pressure gradient from 110 mmHg to 30 mmHg and relieved heart failure symptoms in a 7-year-old boy with HOCM.
Case Report (n=1)
No
Absolute Event Rate: 30% vs 110%
Transaortic septal myectomy can effectively relieve severe LVOT obstruction and heart failure symptoms in young children with HOCM, though it carries a high risk of conduction system injury such as complete AV block.
Supports feasibility of myectomy for severe pediatric HOCM; leaves open need for prospective safety and outcome data.
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Ban et al. (2008) conducted a case report in Hypertrophic Obstructive Cardiomyopathy (n=1). Transaortic septal myectomy was evaluated on Left ventricular outflow tract pressure gradient (mmHg). Transaortic septal myectomy reduced the left ventricular outflow tract pressure gradient from 110 mmHg to 30 mmHg and relieved heart failure symptoms in a 7-year-old boy with HOCM.
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