Why the study?
Extended left ventricular septal myectomy is the gold standard for refractory HOCM, motivating a minimally invasive video-assisted single-port right infra-axillary approach.
Does a minimally invasive right infra-axillary thoracotomy provide adequate visualization for transaortic septal myectomy in patients with HOCM?
Does a minimally invasive right infra-axillary thoracotomy provide adequate visualization for transaortic septal myectomy in patients with HOCM?
A novel minimally invasive right infra-axillary thoracotomy approach for transaortic septal myectomy offers good visualization and exposure for treating HOCM.
Single-port video-assisted myectomy may offer an alternative in select HOCM; leaves open need for comparative trials before adoption.
Extended left ventricular septal myectomy remains the gold standard for the treatment of hypertrophic obstructive cardiomyopathy (HOCM) with refractory symptoms. On the basis of traditional modified transaortic Morrow myectomy, we innovatively performed a minimally invasive, video-assisted single-port thoracotomy through the right infra-axillary region. Our procedure can provide good visualization of the left ventricular outflow tract and hypertrophic ventricular septum for accurate resection. It also ensures optimal exposure of the mitral valve in the presence of complex mitral subvalvular structures.
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Wang et al. (2022) studied this question.
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