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Table 1 Clinical and cardiac magnetic resonance imaging characteristics of 47 patients with isolated ventricular non-compaction

From: Varied distributions of late gadolinium enhancement found among patients meeting cardiovascular magnetic resonance criteria for isolated left ventricular non-compaction

  Total patients (n =47) LGE status  
   LGE(+) (n =19) LGE(-) (n =28) P-value
Age (yrs) 39 ± 18 43 ± 14 36 ± 20 0.16
Gender male, n (%) 37 (79%) 13 (68%) 24 (86%) 0.16
Weight (kg) 67 ± 16 68 ± 16 66 ± 15 0.65
NYHA functional class III/IV 42 (89%) 19 (100%) 23 (82%) 0.07
Symptoms     
Chest pain, n (%) 5 (11%) 2 (11%) 3 (11%) 0.98
Syncope, n (%) 4 (9%) 2 (11%) 2 (7%) 0.68
Systemic thrombo-embolism 3(6%) 1 (5%) 2 (7%) 0.80
Electrocardiogram     
Left bundle branch block 7 (15%) 3 (16%) 4 (14%) 0.89
Right bundle branch block 5 (11%) 2 (11%) 3 (11%) 0.98
Atrial fibrillation 10 (21%) 4 (21%) 6 (21%) 0.98
24 h ambulatory Holter ECG     
PVCs 49% 79% 29% 0.001
NSVT 23% 47% 7% 0.003
Non-compacted segments per patient 7.4 ± 2.5 6.9 ± 1.9 7.8 ± 2.7 0.26
Non-compacted/compacted ratio 3.2 ± 0.7 3.0 ± 0.6 3.4 ± 0.7 0.09
CMR Parameters     
LV end-diastolic diameter (mm) 69 ± 10 69 ± 9 69 ± 11 0.92
LV end-diastolic volume (ml) 243 ± 97 250 ± 90 239 ± 103 0.67
LV end-systolic volume (ml) 189 ± 94 198 ± 88 179 ± 99 0.50
LV ejection fraction (%) 27 ± 13 23 ± 8 29 ± 15 0.06
LV mass (g) 124 ± 44 135 ± 50 117 ± 38 0.17
  1. Data are expressed as mean ± SD. or as number of patients (percentage). NYHAn New York Heart Association. PVCs premature ventricular contractions. NSVT non-sustained ventricular tachycardia. LV left ventricular.