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Table 2 Mitral regurgitation due to SAM assessed in TTE: before surgery and the highest grade of MR measured in follow-up

From: Anterior mitral leaflet length and mitral annulus diameter impact the echocardiographic outcome after isolated myectomy

 Before operationAfter operation
Nonea2 (5.6%)7 (19.4%)
Milda14 (38.9%)24 (66.7%)
Moderatea19 (52.8%)3 (8.3%)
Severea1 (2.8%)2 (5.6%)
  1. aIn accordance with the 2017 guidelines of the American Society of Echocardiography