title: Rehabilitation training improves exercise tolerance after percutaneous coronary intervention.
abstract: The aim of this present study was to investigate the effects of training on exercise tolerance of patients with coronary heart disease after percutaneous coronary intervention. Fifty-seven cases of coronary heart disease after percutaneous coronary intervention were divided randomly into the rehabilitation training group (26 cases) and control group (31 cases). Patients in the rehabilitation training group received rehabilitation training at different stages and exercise intensities 3 d after percutaneous coronary intervention for 3 months. The heart rate, blood pressure, ECG changes in treadmill exercise test, and the frequency of anginal episodes were observed. The results showed that NST and ΣST of ECG and the frequency of anginal episodes were significantly reduced in the rehabilitation training group. In addition, exercise tolerance was improved and the total exercise time was lengthened in these patients. Moreover, ST segment depression time and emergence time of angina with exercise were also lengthened compared with controls (P < 0.05, or 0.01). However, the heart rate and blood pressure before and after exercise of the two groups were similar. The study indicated that rehabilitation training could significantly relieve angina, amend ischemic features of ECG, and improve exercise tolerance of coronary heart disease patients after percutaneous coronary intervention.
authors.affiliation: Department of Rehabilitation Medicine, Dongfang Hospital, Tongji University, Shanghai 200120, China;
authors.forename: Fang
authors.initials: F
authors.lastname: Cui
authors.forename: Yusheng
authors.initials: Y
authors.lastname: Ren
authors.forename: Heng
authors.initials: H
authors.lastname: Jin
authors.forename: Bo
authors.initials: B
authors.lastname: Cui
keywords: coronary heart disease; exercise tolerance; percutaneous coronary intervention; rehabilitation training; treadmill exercise test
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