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Table 4 CMR-Based Change in Treatment

From: Clinical utility of cardiovascular magnetic resonance imaging in patients with implantable cardioverter defibrillators presenting with electrical instability or worsening heart failure symptoms

Post-CMR TreatmentAll patients (n = 208)All patients Change in treatmentPrimary prevention (n = 115)Primary prevention Change in treatmentSecondary prevention (n = 93)Secondary prevention Change in treatment
Coronary Revasc1010 (5)55 (4)55 (5)
CRT upgrade33 (1)22 (2)11 (1)
LVAD21 (0.5)21 (1)00 (0)
Medical therapy5627 (13)3215 (13)2412 (13)
PVI131 (0.5)81 (1)50 (0)
PV angioplasty11 (0.5)11 (1)00 (0)
VT ablation1230 (0)650 (0)580 (0)
Total20843 (21)11525 (22)9318 (19)*
  1. Values are n (%) for all, primary and secondary prevention groups. Coronary Revasc, coronary revascularization procedure; CRT cardiac resynchronization therapy LVAD left ventricular assist device; PVI pulmonary venous isolation procedure; PV pulmonary vein; VT ventricular tachycardia. * p = 0.673 for the comparison of primary versus secondary prevention