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| Effect of cardiac rehabilitation on cardiac function and prognosis of patients with acute coronary syndrome after percutaneous coronary intervention |
| WANG Lijun |
| Department of Cardiology, Jingdezhen First People's Hospital, Jiangxi Province, Jingdezhen 333000, China |
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Abstract Objective To investigate the effect of cardiac rehabilitation on cardiac function and prognosis of patients with acute coronary syndrome (ACS) after the percutaneous coronary intervention (PCI). Methods The retrospective analysis was adopted. A total of 120 ACS patients who were admitted to Jingdezhen First People's Hospital from June 2019 to August 2021 were selected as the research objects and divided into the control group and the experimental group according to the different treatment methods, with 60 patients in each group. The control group was given routine treatment after PCI, and the experimental group was given cardiac rehabilitation therapy on the basis of the control group, with 12 weeks as a treatment period. The cardiac function (left ventricular end-diastolic diameter [LVEDD], left ventricular ejection fraction [LVEF]), quality of life (Seattle Angina scale), exercise tolerance (maximum oxygen uptake [VO2 max], maximum heart rate [HRmax], 6-minute walking distance [6MWT], metabolic equivalent [METs]), and incidence of major adverse cardiovascular events (MACE) were compared between two groups during the treatment period. Re-sults Before treatment, there were no statistically significant differences in LVEDD and LVEF between the two groups (P＞0.05). After treatment, the LVEDD and LVEF in the experimental group were better than those in the control group, and the differences were statistically significant (P＜0.05). After intervention, the score of quality of life in the experimental group was higher than that in the control group, and the difference was statistically significant (P＜0.05). Before treatment, no differences were observed in the VO2 max, HRmax, 6MWT and METs between the two groups (P＞0.05). After treatment, the VO2 max, 6MWT and METs in the experimental group were higher than those in the control group, and the HRmax in experimental group was lowerthan that in the control group, with statistically significant differences (P＜0.05). During the treatment, the incidences of MACE in the experimental group were lower than those in the control group, and the differences were statistically significant (P＜0.05). Conclusion Cardiac rehabilitation after PCI for ACS patients can improve cardiac function, quality of life and exercise tolerance, and reduce the incidence of cardiovascular events.
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