Table 2.
Imaging characteristics of 150 Indian Hypertrophic Cardiomyopathy patients.
| Imaging parameter | Mean/n (%) |
|---|---|
| Echocardiography | |
| IVS thickness (mean) | 20.2 mm (Range 13–32 mm) |
| Asymmetric septal hypertrophy | 114 (76 %) |
| Concentric hypertrophy | 16 (10.6 %) |
| Apical HCM | 19 (12.7 %) |
| Biventricular hypertrophy | 2 (1.3 %) |
| Non obstructive | 71 (47 %) |
| Obstructive | 79 (53 %) |
| Mean LVEF | 64 % |
| Mean LA AP diameter | 38.4 mm (range 28–49 mm) |
| Medial e’ (mean) | 4.9 m/s |
| Lateral e’ (mean) | 6.6 m/s |
| Average peak GLS | −12.1 % (Range - 4 % to - 24 %) |
| Systolic anterior motion of AML | 90 (60 %) |
| Mitral regurgitation | 80 (53.3 %) |
| Mild | 70 (46.7 %) |
| Moderate | 9 (6 %) |
| Cardiac Magnetic Resonance (n = 74)a | |
| Indexed LV myocardial mass (g/m2) | 109.5 (range 78–165) |
| Any LGE | 68 (92 %) |
| LGE ≥5 % | 59 (80 %) |
| LGE ≥15 % | 30 (40 %) |
| % LGE of LV Mass | 14 % (range 1 %–48 %) |
| Perfusion deficit in hypertrophied segment(s) | 19 (25.6 %) |
IVS: interventricular septum; LVEF: left ventricular ejection fraction; LA: left atrium; AML: anterior mitral leaflet; LGE: late gadolinium enhancement; CMR: cardiac magnetic resonance.
a
CMR was performed only in 74 patients based on physician discretion.