Abstract
Effects of cardiac rehabilitation on exercise tolerance and quality of life in patients with coronary heart disease after PCI under CPET
  
DOI:
EN KeyWords: cardiac rehabilitation  cardiopulmonary exercise testing  percutaneous coronary intervention  exercise tolerance  quality of life
Fund Project:昆山市科技局(KS1772)
作者单位
程会兰 昆山市康复医院江苏 昆山 215314 
谢丽娜 昆山市康复医院江苏 昆山 215314 
丰金香 昆山市康复医院江苏 昆山 215314 
张伟伟 昆山市康复医院江苏 昆山 215314 
郭靖 昆山市康复医院江苏 昆山 215314 
翁雅婧 昆山市康复医院江苏 昆山 215314 
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EN Abstract:
  Objective: To investigate the effects of cardiac rehabilitation on exercise tolerance and quality of life in patients with coronary heart disease after percutaneous coronary intervention(PCI)under the guidance of cardiopulmonary exercise testing (CPET). Methods: Sixty patients with coronary heart disease after PCI were divided into treatment group and control group (n=30 each). Treatment group received rehabilitation exercise treatment, and control group did exercise by themselves. CPET was used to evaluate the patients’ maximal oxygen uptake(VO2 Max), anaerobic threshold(AT), maximun metabolic equivalent, metabolic equivalent without oxygen threshold and maximum power. The dominant knee of the patient was chosen as testee, and the fatigue coefficients of the knee flexion and extension were calculated by isokinetic muscle strength testing.The Mos 36-item short form health survey(SF-36)and self rating depression scale(SDS) were used to evaluate patients’ quality of life. Results: After 12 weeks of treatment,the parameters of VO2 Max, AT,maximun metabolic equivalent,metabolic equivalent without oxygen threshold and maximum power were significantly higher in the treatment group than those before treatment and control group(all P<0.05). The fatigue coefficients of knee flexion and extension in both groups were significantly lower than those before treatment (all P<0.05), and those in the treatment group were significantly lower than those in control group (all P<0.05). The scores of SF-36 in the treatment group were significantly improved as compared with those before treatment (all P<0.05), and the scores of GH, SF, RE and MH in the control group were significantly improved as compared with those before treatment (all P<0.05). The scores of BP, GH, VT, SF and MH in the treatment group were significantly higher than those in the control group (all P<0.05). SDS score in the treatment group was significantly lower than that before treatment (P<0.05), and lower than that in the control group (P<0.05). Conclusion: Cardiac rehabilitation under the guidance of CPET can improve the exercise tolerance and quality of life of patients with coronary heart disease after PCI, which is worthy of clinical promotion.
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