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. Author manuscript; available in PMC: 2023 Jun 28.
Published in final edited form as: JACC Adv. 2023 Apr 26;2(3):100308. doi: 10.1016/j.jacadv.2023.100308

Table 1.

Clinical and Echocardiographic Characteristics of OHCM Subjects

Age (y) 59 ± 12
Female (%) 41
Clinical
 NYHA functional class 2.4 ± 0.5
 Exertional dyspnea 91
 Presyncope 50
 Syncope 23
 Atrial fibrillation 32
 On beta blockers 82
 On calcium-channel blockers 45
 On disopyramide 64
Structural Preoperative Postoperative
 MV anterior leaflet length (mm) 33 ± 5 29 ± 5
 MV posterior leaflet length (mm) 15 ± 2 14 ± 2
 Basal anteroseptal thickness (mm) 18 ± 3 12 ± 2
 Peak LVOT gradient at rest (mm Hg) 49 ± 41 11 ± 3
 Peak LVOT gradient with provocation (mm Hg) 99 ± 23 11 ± 4
 Mitral regurgitation grade (0-4) 2a 2a
 Left ventricular ejection fraction (%) 73 ± 4 68 ± 4

Values are mean ± SD or %.

a

The medians are reported.

LVOT = left ventricular outflow tract; MV = mitral valve; NYHA = New York Heart Association; OHCM = obstructive hypertrophic cardiomyopathy.