Effect of different rehabilitation training times on cardiorespiratory function and quality of life in patients undergoing Percutaneous Coronary Intervention

Li Juan; Gao Yihu; Zhang lan

doi:10.3969/j.issn.1674-4055.2019.08.23

Abstract：Objective To explore the relationship between the number of rehabilitation training and the cardiopulmonary function and quality of life of patients undergoing Percutaneous Coronary Intervention, and to determine the number of training for maximum benefit of rehabilitation training. Methods Sixty patients who received percutaneous coronary intervention (PCI) and cardiac function grades Ⅰ~Ⅱ (NYHA) were enrolled in Beijing GM Rehab clinic from November 2017 to October 2018. They were divided into three groups. Group A received 12 times rehabilitation training (n=20), group B rehabilitation training 24 times (n=20), group C rehabilitation training 36 times (n=20). Cardiopulmonary Exercise Test(CPET) and brief health status scale questionnaire SF-36 were conducted before and after exercise to compare the changes of three groups before and after rehabilitation and between different training groups. Results The cardiopulmonary function of the three groups was improved after exercise. Compared with the indexes before rehabilitation, the values of VO2@peak, VO2@AT, WR@peak, O2/pulse and METs@peak were significantly increased in group C (P<0.05). Compared with the indexes before rehabilitation, the values of VO2@peak, WR@peak and METs@peak in group B were significantly increased (P<0.05). There was no statistical difference between the A groups before and after rehabilitation training. Comparison between groups,after exercise rehabilitation,group C was compared with group A, the values of VO2@peak, VO2@AT, WR@peak, O2/pulse and METs@peak were significantly increased, the difference was significant (P<0.05). (2).The scores of most dimensions in group C increased after training, especially in RP and RE after rehabilitation treatment and the difference was statistically significant (P<0.05). There was no significant difference between group B and group A before and after rehabilitation treatment. Comparison groups A and group B,the scores of RP and RE of group C were significantly increased after exercise rehabilitation, and the difference was significant (P<0.05). Conclusion Cardiopulmonary function and quality of life of patients after PCI were all lower than before. Cardiac rehabilitation can significantly improve their cardiopulmonary function and quality of life. There is a strong dose-response relationship between the number of rehabilitation training and the degree of benefit. It is suggested that the optimal number of cardiac rehabilitation should not be less than 36 times.