Clinical outcomes at 3 months after TA-BSM. (A) NYHA functional class; (B) 6-min walking distance; (C) LV mass index; (D) NT-proBNP; (E) hs-cTnI. NYHA: New York Heart Association; LV: left ventricular; NT-proBNP: N-terminal pro-B-type natriuretic peptide; hs-cTnI: high-sensitivity cardiac troponin I.