The value of myocardial work in assessment of ventricular function in patients with non-obstructive hypertrophic cardiomyopathy

Table 2 Conventional echocardiography for patients with HCM and normal controls

	Normal controls (n = 50)	Patients (n = 50)
IVSd (mm)	9.18 ± 1.51	15.87 ± 5.88*
PWd (mm)	8.85 ± 1.43	9.93 ± 3.23*
LVDd (mm)	43.54 ± 4.23	43.29 ± 4.28
LVEDV (ml)	86.62 ± 19.47	84.88 ± 26.96*
LVEF (%)	0.64 ± 0.03	0.51 ± 0.06*
Doppler A wave at mitral valve (cm/s)	0.62 ± 0.14	0.70 ± 0.28*
Doppler E wave at mitral valve (m/s)	0.81 ± 0.13	0.64 ± 0.17
E/A ratio	1.39 ± 0.46	1.05 ± 0.49
Tissue Doppler E’ wave at MV annulus (m/s)	0.13 ± 0.03	0.04 ± 0.01*
E/E’ ratio	6.59 ± 1.37	16.59 ± 6.64*

IVSd thickness of interventricular septum at end-diastole; LVDd left ventricular dimension at end-diastole; LVEDV left ventricular volume at end-diastole; LVEF left ventricular ejection fraction; PWd thickness of posterior wall at end-diastole. *P < 0.05

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