Transmitral myectomy for mid-cavity obstruction and mitral replacement for rheumatic diseaseCentral Message
Fazal Khan, MD, Mitra Khosravi-Flanigan, MD, Bastiaan L. Kietselaer, MD and 4 more
JTCVS Techniques · 2025
doi:10.1016/j.xjtc.2025.01.023 (opens in a new tab)
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Abstract
Left ventricular outflow tract (LVOT) obstruction in obstructive hypertrophic cardiomyopathy (HCM) can be related to the spectrum of anatomic components including the interventricular septum, subaortic curtain, fibrous trigones, subvalvular mitral apparatus, and systolic anterior motion of the mitral valve (MV).1 Approximately 10% of patients with obstructive HCM have mid-cavity obstruction from prominent mid-septal hypertrophy and papillary muscle abutment to the septum. During contraction, contact occurs between the interventricular septum with the left ventricular (LV) wall or prominent papillary muscle.
Abstract licence: CC BY-NC-ND
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