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  • Title: Effects of telephone support on exercise capacity and quality of life in patients with chronic obstructive pulmonary disease: a meta-analysis.
    Author: Deng N, Gu T, Zhao Q, Zhang X, Zhao F, He H.
    Journal: Psychol Health Med; 2018 Sep; 23(8):917-933. PubMed ID: 29320895.
    Abstract:
    The aim of this meta-analysis was to evaluate the effects of disease education or pulmonary rehabilitation programs assisted with telephone support on physical capacity and quality of life (QOL) in chronic obstructive pulmonary disease (COPD) patients. A systematic search of PubMed, Embase, Web of Science and The Cochrane Library was conducted until May 2017. Randomized controlled trials (RCTs) examining the effects of telephone-assisted intervention versus a control group on exercise tolerance and QOL in patients with COPD were included. Two independent authors assessed the methodological quality of the trials using the Cochrane risk of bias tool. A meta-analysis was conducted with the Revman5.3 to quantify the effects of telephone-assisted interventions on walking capacity and QOL. In total, 10 studies involving 1037 participants were included. Due to the effect of telephone-assisted interventions, statistically significant results were found on Saint-George's Respiratory Questionnaire (SGRQ) symptom scores [standard mean difference (SMD) -.18, 95% confidence interval (CI) -.33, -.03, p-value .02)], SGRQ impact scores [SMD -.35, 95% CI -.60, -.10, p-value .006)], SGRQ activity scores [SMD -.30, 95% CI -.45, -.15, p-value < .0001)], SGRQ total score [SMD -.36, 95% CI -.51, -.21, p-value < .00001)]. The effects on 6-min walk test (6MWT) and all Chronic Respiratory Questionnaire (CRQ) subscales were not significant (p > .05) based on the insufficient evidence. In conclusion, the role of telephone-assisted interventions in the management of COPD remains equivocal. Some encouraging results were seen with regard to SGRQ symptom, SGRQ impact, SGRQ activity and SGRQ total score. We believe that more methodologically rigorous large-scale randomized controlled trials are necessary to answer this study question.
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