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Table 2 Serial CMR outcomes: Recovery of global functional outcomes in the total CMR population

From: Improved recovery of regional left ventricular function after PCI of chronic total occlusion in STEMI patients: a cardiovascular magnetic resonance study of the randomized controlled EXPLORE trial

Total CMR population CTO PCI (n = 80) No-CTO PCI (n = 100) P-value
Left ventricular ejection fraction (%)
 Baseline 40.6 (11.8) 41.7 (12.1) 0.55
 4 months FU 45.3 (11.6) 45.5 (11.8) 0.87
 Δ LVEF 4.6 (8.3) 3.8 (8.1) 0.52
Left ventricular end-diastolic volume (ml)
 Baseline 210.1 (53.4) 209.5 (55.1) 0.95
 4 months FU 215.6 (54.6) 212.5 (53.9) 0.71
 Δ LVEDV 5.5 (32.4) 3.0 (25.7) 0.57
Infarct size (g) a
 Baseline 11.7 (10.5) 11.9(11.1) 0.94
 4 months FU 7.5 (6.4) 7.1 (5.4) 0.70
 Δ Infarct size −4.3 (8.0) −4.8 (8.6) 0.72
  1. Data are number of patients (n)
  2. CMR cardiac magnetic resonance imaging, CTO chronic total occlusion, PCI percutaneous coronary intervention, LAD left anterior descending artery, LVEF left ventricular ejection fraction, LVEDV left ventricular end-diastolic volume
  3. aInfarct data available in 60 and 68 patients