International journal of cardiology · 2026
Phase III cardiac rehabilitation improves left ventricular ejection fraction in patients with coronary artery disease and mildly reduced ejection fraction after percutaneous coronary intervention.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Cai Mei-Lian, Shi Wu-Xiang, Li Jing, Li Tao, Zhang Wei, Lin Chuang-Biao, Wang Xin-Yun, Huang Yu-Ting, Qing Xin-Min
Аннотация
BACKGROUND: Exercise-based cardiac rehabilitation (ExCR) is standard for secondary prevention in coronary artery disease (CAD), yet its efficacy in patients with heart failure with mildly reduced ejection fraction (HFmrEF) after percutaneous coronary intervention (PCI) remains unclear.
METHODS: In this single-center RCT, 120 stable CAD patients with HFmrEF (LVEF 40-49%) post-PCI were randomized 1:1 to receive either guideline-directed medical therapy (GDMT) plus a 52-week structured ExCR program (intervention) or GDMT alone (control). Primary outcomes-LDL-C, TG, LVEF, and LVEDD-were assessed at 4, 12, 24, and 52 weeks. Linear Mixed Models analyzed longitudinal intervention effects.
RESULTS: A significant Group × Time interaction was observed for LVEF (p = .032), indicating superior recovery in the ExCR group. At 52 weeks, the ExCR group showed greater improvement in LVEF (+5.0% vs. +4.0%, p = .023) and greater reduction in LDL-C (-1.43 mmol/L vs. -1.04 mmol/L, p = .030) versus control. No between-group differences were found in TG or LVEDD.
CONCLUSIONS: A 52-week structured ExCR program significantly enhances cardiac recovery and lipid control in HFmrEF patients post-PCI, providing incremental benefits beyond GDMT alone. Sustained ExCR should be considered essential in comprehensive management for this population.
METHODS: In this single-center RCT, 120 stable CAD patients with HFmrEF (LVEF 40-49%) post-PCI were randomized 1:1 to receive either guideline-directed medical therapy (GDMT) plus a 52-week structured ExCR program (intervention) or GDMT alone (control). Primary outcomes-LDL-C, TG, LVEF, and LVEDD-were assessed at 4, 12, 24, and 52 weeks. Linear Mixed Models analyzed longitudinal intervention effects.
RESULTS: A significant Group × Time interaction was observed for LVEF (p = .032), indicating superior recovery in the ExCR group. At 52 weeks, the ExCR group showed greater improvement in LVEF (+5.0% vs. +4.0%, p = .023) and greater reduction in LDL-C (-1.43 mmol/L vs. -1.04 mmol/L, p = .030) versus control. No between-group differences were found in TG or LVEDD.
CONCLUSIONS: A 52-week structured ExCR program significantly enhances cardiac recovery and lipid control in HFmrEF patients post-PCI, providing incremental benefits beyond GDMT alone. Sustained ExCR should be considered essential in comprehensive management for this population.