Effect of cellular and extracellular pathology assessed by T1 mapping on regional contractile function in hypertrophic cardiomyopathy

Table 1 Patient characteristics and findings

N	50	FH of HCM, n (%)	19 (38)
Male gender, n (%)	37 (74)	CMR findings
Age, years	46.9 ± 11.7	LV EDV, ml/m²	78.7 ± 13.1
Height, cm	171.2 ± 9.0	LV EF, %	62.3 ± 5.9
Weight, kg	81.7 ± 14.6	LV Mass, g/m2	72.8 ± 26.3
Body mass index, kg/m²	27.7 ± 3.7	LAV, ml/m²	59.3 ± 13.5
Systolic blood pressure, mmHg	125.5 ± 17.6	LGE, n (%)	35 (70)
Diastolic blood pressure, mmHg	74.5 ± 12.5	Medications
Heart rate	60.6 ± 10.2	Beta blocker, n (%)	24 (48)
Echocardiography		CC blocker, n (%)	8 (16)
Maximum wall thickness^a (mm)	19.3 ± 4.9	Disopyramide, n (%)	4 (8)
LVOT obstruction, n (%)	11 (22)	Diuretic, n (%)	2 (4)
Resting LVOT gradient, mmHg	68.5 ± 40.0

CC calcium channel, EDV end diastolic volume indexed to body surface area, EF ejection fraction, FH family history, LAV left atrial volume indexed to body surface area, LGE late gadolinium enhancement, LV left ventricle, LVOT left ventricular outflow tract
^aIn 5 subjects with apical or localized lateral hypertrophy maximum wall thickness is taken from CMR

ISSN: 1532-429X