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Table 1 CMR characteristics of Apical vs non-Apical HCM

From: Cardiac magnetic resonance imaging (CMR) characteristics in apical versus non-apical hypertrophic cardiomyopathy (HCM)

CMR findings:

Total Cohort (n=104)

Non-apical (n=73)

Apical (n=31)

P-value

Mean LVEF (%)

69.7

68.4

72.6

0.0552

Mean LVEDVI (mL m-2)

73.7

76.7

66.8

0.0718

Mean LVESVI (mL m-2)

23.8

25.5

20.1

0.1177

Mean indexed stroke volume

53.1

55.9

46.4

0.0333

Mean max. LV wall thickness (mm)

18.2

19.3

15.6

0.0001

Mean indexed LV mass

93.5

98.4

82.4

0.0102

LVOTO

35.2

41.1

12.5

0.0403

SAM

31.4

38.9

6.25

0.0143

LGE %

86.9

85.7

89.7

0.8063

  1. LVEF, left ventricular ejection fraction; LVEDVI, left ventricular end diastolic volume index; LVESVI, left ventricular end systolic volume index; LVOTO, Left ventricular outflow tract obstruction; SAM, systolic anterior valve motion; LGE, late gadolinium enhancement.