Conventional echocardiographic characteristics of healthy controls and HOCM patients at baseline and half a year after PTSMA.

*, P value of comparing between control subjects and HOCM patients at baseline; &, P value of comparing between HOCM patients at baseline and HOCM patients at half a year after PTSMA; HOCM, hypertrophic obstructive cardiomyopathy; LVPW, left ventricular posterior wall; maxLVT,maximal left ventricular thickness;LAV, left atrial volume; LVEF, left ventricular ejection fraction; LVOT, left ventricular outflow tract; DT, E deceleration time; IVRT, isovolumic relaxation time.