According to the National Comprehensive Cancer Network, cancer-related fatigue (CRF) is defined as a persistent subjective sense of physical, emotional, and/or cognitive tiredness or exhaustion related to cancer or cancer treatment. CRF is a common symptom among patients with cancer. It has been reported in approximately 50%–75% of cancer patients at the time of diagnosis, and the prevalence increases to 80%–96% in patients undergoing chemotherapy and to 60%–93% in patients receiving radiotherapy. CRF is a strong and independent predictor of decreased overall patient satisfaction and health-related quality of life
Tai Chi is a traditional Chinese health-promoting exercise. It is an easily modifiable, low-to-moderate intensity form of physical exercise. Tai Chi has been found to have positive effects on Parkinson's disease and chronic heart failure, improves lung function and activity tolerance in patients with chronic obstructive pulmonary disease, and improves balance and reduces falls in older adults. It also has been shown to enhance mental health and improve psychological conditions, including reducing geriatric depression, reducing anxiety, and enhancing self-efficacy. Tai Chi also has been found to have positive effects in cancer patients.
CRF is commonly found in patients with cancer. Even in early-stage non–small cell lung cancer survivors, the prevalence of CRF is 57%. Our randomized controlled intervention trial found that the Tai Chi group had a lower MFSI-SF total score compared with the control group at six- and 12-week follow-up. The results showed Tai Chi was an effective intervention for managing CRF in patients with lung cancer undergoing chemotherapy.
Between January 2012 and December 2014, 96 patients were enrolled in this trial. At six and 12 weeks, the Tai Chi group had a lower MFSI-SF total score compared with the control group (59.5 ± 11.3 vs. 66.8 ± 11.9, P < 0.05; 53.3 ± 11.8 vs. 59.3 ± 12.2, P < 0.05). At six weeks, the Tai Chi group had lower MFSI-SF general subscale scores (18.1 ± 4.6 vs. 20.4 ± 4.5, P < 0.05) and physical subscale scores (17.5 ± 4.4 vs. 19.1 ± 4.5, P < 0.05), and higher MFSI-SF vigor subscale scores (14.5 ± 3.3 vs. 11.6 ± 3.4, P < 0.05), compared with the control group. But no significant differences were found in emotional subscale (20.2 ± 3.6 vs. 20.0 ± 3.5, P > 0.05) and mental subscale (18.2 ± 4.0 vs. 18.9 ± 3.9, P > 0.05) scores between the Tai Chi group and the control group. At 12 weeks, the MFSI-SF subscale scores showed the same trends as at six weeks.
Zhang, Li-Li, et al. “Tai Chi Exercise for Cancer-Related Fatigue in Patients With Lung Cancer Undergoing Chemotherapy: A Randomized Controlled Trial.” Journal of Pain and Symptom Management, U.S. National Library of Medicine, Mar. 2016, www.ncbi.nlm.nih.gov/pubmed/26721747.
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