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Effect of Tai Chi on Cardiac and Static Pulmonary Function in Older Community-Dwelling Adults at Risk of Ischemic Stroke: A Randomized Controlled Trial

  • Guo-hua Zheng
  • Xin Zheng
  • Jun-zhe Li
  • Ting-jin Duan
  • Jing Tao
  • Li-dian Chen
Original Article
  • 3 Downloads

Abstract

Objective

To evaluate the effect of tai chi exercise on cardiac and static lung function for older community-dwelling adults at risk of ischemic stroke.

Methods

A total of 170 older community-dwelling adults (aged 55–75 years old) at risk of ischemic stroke were allocated to either tai chi training group (85 cases, five 60-min sessions of tai chi training per week for 12 weeks) or control group (85 cases, usual pbysical activity for 12 weeks) using a computer-generated randomization. The echocardiographic parameters of cardiac structure, cardiac function and static lung function were measured at baseline, after 12 weeks of intervention and additional 12-week follow-up period by a blinded professional staffmember using a color Doppler ultrasound imaging device or a cardiopulmonary function instrument. The t test and linear mixed model based on the intentionto-treat analysis principle was used to calculate the effect. The adverse effect was observed.

Results

Most of echocardiographic parameters on the cardiac structure, cardiac function and static lung function between the tai chi group and control group did not have a significant difference either post 12-week intervention or additional 12-week follow-up period. Only three parameters involving in right ventricular diameter (P=0.024), main pulmonary artery diameter (P=0.002) and vital capacity maximum (P=0.036) were beneficial to be improved in the tai chi group compared to the control group by the analysis of mixed linear model. No adverse effects were found during the intervention period.

Conclusion

The 12-week tai chi exercise did not have an obvious beneficial effect on cardiac structure, cardiac function and static lung function in older community-dwelling adults at risk of ischemic stroke. The study with a longer duration of intervention should be necessary. (Trial registration No. ChiCTR-TRC-13003601)

Keywords

tai chi cardiac structure and function static lung function ischemic stroke randomized controlled trial 

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Notes

Acknowledgements

We thank the participants and staffin the communities and hospitals, including the Fujian University of Traditional Chinese Medicine Subsidiary Rehabilitation Hospital and Health Check Center of the Second People's Hospital of Fujian Province, for their work in this project.

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Copyright information

© Chinese Association of the Integration of Traditional and Western Medicine 2018

Authors and Affiliations

  • Guo-hua Zheng
    • 1
  • Xin Zheng
    • 2
  • Jun-zhe Li
    • 2
  • Ting-jin Duan
    • 3
  • Jing Tao
    • 4
  • Li-dian Chen
    • 5
  1. 1.College of Nursing and Health ManagementShanghai University of Medicine and Health SciencesShanghaiChina
  2. 2.College of Rehabilitation MedicineFujian University of Traditional Chinese MedicineFuzhouChina
  3. 3.Department of Physical EducationFujian University of Traditional Chinese MedicineFuzhouChina
  4. 4.Fujian Key Laboratory of Rehabilitation TechnologyFujian University of Traditional Chinese MedicineFuzhouChina
  5. 5.Collaborative Innovation Center for Rehabilitation TechnologyFujian University of Traditional Chinese MedicineFuzhouChina

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