Table 1.
Characteristics | Scar By DE-MRI | No Scar By DE-MRI | P |
---|---|---|---|
Patient number | 14 | 15 | |
Age (years) | 52±13 | 48±17 | 0.5 |
Gender (M/F) | 9/5 | 7/8 | 0.5 |
Ejection fraction | 0.38±0.09 | 0.36±0.09 | 0.5 |
MRI: LV volume enddiastolic (ml) | 194±56 | 184±72 | 0.7 |
MRI: LV mass (cm3) | 172±53 | 130±46 | 0.07 |
Spontaneous or inducible VT | 9/14 | 0/15 | <0.001 |
Frequent PVCs | 7/14 | 15/15 | <0.001 |
SOO of PVCs (RV / LV) | 0/4 | 7/7 | 0.1 |
Effective ablation sites of VTs (RV / LV) per patient | 3/4 | 0/0 | 1 |
Abbreviations: DE-MRI= delayed enhanced magnetic resonance imaging; VT= ventricular tachycardia; PVC= premature ventricular complex; ACEI= angiotensin converting enzyme inhibitor; SOO= site of origin; RV= right ventricle; LV= left ventricle.