Echo Guided Alcohol Septal Ablation (ASA) for Refractory Symptomatic HOCM – July 2019

64 year-old morbidly obese female with known hypertrophic obstructive cardiomyopathy (HOCM), presents with progressive exertional dyspnea NYHA CCS Class III. Echo revealed severe asymmetric septal hypertrophy (ASH) with septal thickness of 21 mm and systolic anterior motion (SAM) of anterior mitral valve leaflet, high LVOT gradient, hyperdynamic LV and mild to moderate MR with severe MAC and transmitral gradient of 9 mmHg. MRI confirmed echo findings and also revealed systolic obliteration of LV cavity with scattered patchy minimal necrosis. Cardiac Cath revealed 70 mmHg gradient at rest at mid cavity level with positive Brockenbrough-Braunwald-Morrow sign with gradient of 180 mmHg and no CAD. Patient remains symptomatic despite being on maximum tolerated medical therapy. Patient is now planned for echo guided alcohol septal ablation (ASA) for refractory symptomatic HOCM.

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