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      Evaluation of the Sustaining Effects of Tai Chi Qigong in the Sixth Month in Promoting Psychosocial Health in COPD Patients: A Single-Blind, Randomized Controlled Trial

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          Abstract

          Objectives. To evaluate the sustaining effects of Tai Chi Qigong (TCQ) in improving the psychosocial health in chronic obstructive pulmonary disease (COPD) patients in the sixth month. Background. COPD affects both physical and emotional aspects of life. Measures to minimize patients' suffering need to be implemented. Methods. 206 COPD patients were randomly assigned into three groups: TCQ group, exercise group, and control group. The TCQ group completed a three-month TCQ program, the exercise group practiced breathing and walking exercise, and the control group received usual care. Results. Significant group-by-time interactions in quality of life (QOL) using St. George's respiratory questionnaire ( P = 0.002) and the perceived social support from friends using multidimensional scale of perceived social support ( P = 0.04) were noted. Improvements were observed in the TCQ group only. Conclusions. TCQ has sustaining effects in improving psychosocial health; it is also a useful and appropriate exercise for COPD patients.

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          Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease. NHLBI/WHO Global Initiative for Chronic Obstructive Lung Disease (GOLD) Workshop summary.

          R A Pauwels, A Buist, P. Calverley … (2001)
          Article 0 comments Cited 800 times – based on 0 reviews     Review now
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            Measurement of health status. Ascertaining the minimal clinically important difference.

            R Jaeschke, J Singer, G H Guyatt (1989)
            In recent years quality of life instruments have been featured as primary outcomes in many randomized trials. One of the challenges facing the investigator using such measures is determining the significance of any differences observed, and communicating that significance to clinicians who will be applying the trial results. We have developed an approach to elucidating the significance of changes in score in quality of life instruments by comparing them to global ratings of change. Using this approach we have established a plausible range within which the minimal clinically important difference (MCID) falls. In three studies in which instruments measuring dyspnea, fatigue, and emotional function in patients with chronic heart and lung disease were applied the MCID was represented by mean change in score of approximately 0.5 per item, when responses were presented on a seven point Likert scale. Furthermore, we have established ranges for changes in questionnaire scores that correspond to moderate and large changes in the domains of interest. This information will be useful in interpreting questionnaire scores, both in individuals and in groups of patients participating in controlled trials, and in the planning of new trials.
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              St. George's Respiratory Questionnaire: MCID.

              Jace W. Jones, Yeon-Mok Oh (2005)
              The SGRQ is a disease-specific measure of health status for use in COPD. A number of methods have been used for estimating its minimum clinically important difference (MCID). These include both expert and patient preference-based estimates. Anchor-based methods have also been used. The calculated MCID from those studies was consistently around 4 units, regardless of assessment method. By contrast, the MCID calculated using distribution-based methods varied across studies and permitted no consistent estimate. All measurements of clinical significance contain sample and measurement error. They also require value judgements, if not about the calculation of the MCID itself then about the anchors used to estimate it. Under these circumstances, greater weight should be placed upon the overall body of evidence for an MCID, rather than one single method. For that reason, estimates of MCID should be used as indicative values. Methods of analysing clinical trial results should reflect this, and use appropriate statistical tests for comparison with the MCID. Treatments for COPD that produced an improvement in SGRQ of the order of 4 units in clinical trials have subsequently found wide acceptance once in clinical practice, so it seems reasonable to expect any new treatment proposed for COPD to produce an advantage over placebo that is not significantly inferior to a 4-unit difference.
              Article 0 comments Cited 152 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): ScientificWorldJournal
                Journal ID (iso-abbrev): ScientificWorldJournal
                Journal ID (publisher-id): TSWJ
                Title: The Scientific World Journal
                Publisher: Hindawi Publishing Corporation
                ISSN (Electronic): 1537-744X
                Publication date Collection: 2013
                Publication date (Electronic): 24 October 2013
                Volume: 2013
                Electronic Location Identifier: 425082
                Affiliations
                1The Nethersole School of Nursing, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong
                2The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong
                Author notes
                *Aileen W. K. Chan: aileenchan@ 123456cuhk.edu.hk

                Academic Editors: B. Balbi and O. Braendli

                Author information
                http://orcid.org/0000-0002-5376-5053
                Article
                DOI: 10.1155/2013/425082
                PMC ID: 3824309
                SO-VID: 5c194816-ee2e-4446-9db1-e2afc3dd2e1f
                Copyright © Copyright © 2013 Aileen W. K. Chan et al.
                License:

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 18 August 2013
                Date accepted : 8 September 2013
                Categories
                Subject: Research Article

                ScienceOpen disciplines: Uncategorized
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                ScienceOpen disciplines: Uncategorized

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