Maria Razzaq, Sumaiyah Obaid, Iqbal Tariq, Muhammad Afsheen Iqbal, Saina Khawar Kiani, Tahir Ramazan.
Effects of Tai Chi exercises on physical activity and pulmonary function in patients with coronary artery bypass grafting.
J Med Sci Jan ;31(04):261-5.

Objective: To determine the effects of Tai Chi exercises on physical activity, pulmonary function, and rate of perceived exertion in post-coronary artery bypass grafting patients. Material and Methods: A Randomized control trial was conducted in the Armed Forces Institute of Cardiology/National Institute of Heart Diseases Rawalpindi Pakistan from January 2018 - July 2018. 50 post-coronary artery bypass grafting patients were calculated by the open epi tool and randomly allocated into two groups in equal halves through non-probability purposive sampling with the toss the coin method. 40-60 years males and females with >40% ejection fraction were included while vitally unstable patients were excluded. The experimental group was given Tai Chi exercises while the control group was given a bicycle. Levels of physical activity and pulmonary functions were assessed at baseline, 4thand 6th week of training. Results: Out of the total sample size only 39 were analyzed 11 were dropped off due to not following proper follow-up, and there was no statistical difference in heart rate P=0.095. Oxygen saturation shows a significant difference with P<0.001, Physical activity was low at baseline but after exercise training, the Tai Chi group showed great improvement P< 0.01. Pulmonary functions showed statistically insignificant results P=0.865. The rate of perceived exertion was high in 2nd week and gradually decreased with the mean of 3.20 and 3.37 while the time of exercise was improved with P<0.01. Conclusion: Tai Chi exercises have better improvement in pulmonary function, rate of perceived exertion, time of exercise, and physical activity in post-coronary artery bypass grafting patients.

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