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The benefit and safety of percutaneous coronary intervention (PCI) to chronic total occlusions (CTO) in patients with low and mid-range left ventricular ejection fraction (LVEF) continue to be evidence limited. The aim of our study was to investigate the impact of LVEF in patients undergoing CTO PCI and to evaluate the mid-term clinical outcome of those with low and mid-range LVEF. We assessed the periprocedural and mid-term outcomes of 75 patients undergoing CTO PCIs according to pre-procedural LVEF: group (N), ≥ 50% (normal, nom.= 25); group (M), 40-49% (mid-range, nom.= 25); and group (L), < 40% (low, nom.= 25); within 6 months of follow-up.
Pubmed ID: 32449095
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