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Table 3 Comparison of LVEF, LV volumes, LV mass and LV necrotic mass by CMR before and after successful CTO recanalization

From: Benefits of chronic total coronary occlusion percutaneous intervention in patients with heart failure and reduced ejection fraction: insights from a cardiovascular magnetic resonance study

  Successful CTO-PCI n = 29
  Pre-PCI Post-PCI Difference p
LVEF (%) Mean 31.3 ± 7.4 Mean 37.7 ± 8 6.4 <0.001
Median (IQR) 32 (26–37) Median (IQR) 39 (35–43)
LVEDV (ml) Mean 230 ± 64 Mean 221 ± 58 −9.1 0.25
Median (IQR) 216 (182–257) Median (IQR) 205 (185–262)
LVESV (ml) Mean 160 ± 54 Mean 143 ± 58 −17 0.03
Median (IQR) 144 (127–194) Median (IQR) 130 (106–166)
LV mass (g) Mean 142 ± 43 Mean 139 ± 47 3.5 0.63
Median (IQR) 132 (107–164) Median (IQR) 128 (108–157)
LV necrotic mass (g) Mean 22 ± 12 Mean 20.4 ± 10.6 −1.6 0.13
Median (IQR) 19.2 (13–30.4) Median (IQR) 18 (12.3–28.7)
  1. CTO indicates chronic total occlusion; IQR interquartile range, LV left ventricle, LVEF left ventricular ejection fraction, LVEDV left ventricular end-diastolic volume, LVESV left ventricular end-systolic volume, PCI percutaneous coronary intervention