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Evaluating an intervention program using WeChat for patients with chronic obstructive pulmonary disease: randomized controlled trial
Jiang Y, Liu F, Guo J, Sun P, Chen Z, Li J, Cai L, Zhao H, Gao P, Ding Z, Wu X
Journal of Medical Internet Research 2020 Apr;22(4):e17089
clinical trial
6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

BACKGROUND: The application of telemedicine in home pulmonary rehabilitation interventions for the management of patients with chronic obstructive pulmonary disease (COPD) has achieved promising results. OBJECTIVE: This study aimed to develop a WeChat official account (pulmonary internet explorer rehabilitation (PeR)) based on social media. It further evaluated the effect of PeR on the quality of life, symptoms, and exercise self-efficacy of patients with COPD. METHODS: The functional modules of PeR were developed by a multidisciplinary team according to the electronic health-enhanced chronic care model (eCCM) components. A total of 106 patients were randomly selected (53 in the PeR group and 53 in the outpatient face-to-face group (FtF)). Pulmonary rehabilitation intervention was conducted for 3 months, and the outcome was observed for 3 months. The primary outcome was patient quality of life measured with the COPD assessment test (CAT). The secondary outcomes were evaluated using the modified Medical Research Council scale (mMRC), exercise self-regulatory efficacy scale (Ex-SRES), and St George's Respiratory Questionnaire (SGRQ). RESULTS: The intention-to-treat analysis was used in the study. A total of 94 participants completed the 6-month pulmonary rehabilitation program. No statistically significant differences were observed in CAT (F[1,3] = 7.78, p = 0.001), Ex-SRES (F[1,3] = 21.91, p < 0.001), and mMRC scores (F[1,3] = 29.64, p < 0.001) between the two groups with the variation in time tendency. The Ex-SRES score had a significant effect on the CAT score (p = 0.03). The partial regression coefficient of Ex-SRES to CAT was 0.81, and Exp (B) was 2.24. CONCLUSIONS: The telemedicine technology was effective using the eCCM combined with a behavioral intervention strategy centering on self-efficacy. Pulmonary rehabilitation at home through PeR and FtF could improve the sense of self-efficacy and quality of life and alleviate symptoms in patients with COPD. TRIAL REGISTRATION: Chinese Clinical Trial Registry ChiCTR1900022770; https://tinyurl.com/tmmvpq3.

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