Effects of Tai Chi training on the physical and mental health status in patients with chronic obstructive pulmonary disease: a systematic review and meta-analysis

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Abstract

Background

Tai Chi is a systematic whole body movement developed in ancient China. It plays an increasingly important role in the field of pulmonary rehabilitation for patients with chronic obstructive pulmonary disease (COPD). Our review aimed to explore the impact of Tai Chi on the physical and mental health of patients with COPD.

Methods

We searched several English and Chinese databases and used the combination of subject words and free words to search for available literature from the establishment of the library until August 28, 2018. Two researchers screened studies and collected the data independently. The study inclusion criteria included: (I) patients diagnosed with COPD; (II) Tai Chi or Tai Chi Qigong as an intervention in addition to routine treatment; (III) routine treatment with or without exercises as control group. The primary outcomes were lung function, exercise capacity and health status; (IV) randomized controlled trials.

Results

Sixteen articles were included from 2009 to 2018 (n=1,096). The average time duration of Tai Chi program was 53.4 minutes each session, 4.13 sessions a week for a total of 4.13 months. Comparing with control group, Tai Chi group improved some lung function (forced volume capacity: mean difference =0.12, 95% CI: 0.03–0.21), (forced expiratory volume in 1s: mean difference =0.15, 95% CI: 0.08–0.21), enhanced 6-minute walking distance score (mean difference =30.78, 95% CI: 15.15–46.42), decreased COPD Assessment Test score (mean difference =−5.00, 95% CI: −7.51 to −2.50), decreased St. George’s Respiratory Questionnaire score (mean difference =−8.66, 95% CI: −14.60 to −2.72), enhanced Chronic Respiratory Disease Questionnaire score (mean difference =2.16, 95% CI: 1.49–2.83), decreased Hospital Anxiety and Depression Scale score(anxiety: mean difference =−1.04, 95% CI: −1.58 to −0.51; depression: mean difference =−1.25, 95% CI: −1.77 to −0.73). Comparing with exercise group, Tai Chi group statistically enhanced 6-minute walking distance score (mean difference =7.77, 95% CI: 2.63–12.91).

Conclusions

Tai Chi may represent an appropriate alternative or complement to standard rehabilitation programs. However, whether Tai Chi is better than pulmonary rehabilitation exercise has not been determined.

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Most cited references 45

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David Moher and colleagues introduce PRISMA, an update of the QUOROM guidelines for reporting systematic reviews and meta-analyses

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Diagnosis and management of stable chronic obstructive pulmonary disease: a clinical practice guideline update from the American College of Physicians, American College of Chest Physicians, American Thoracic Society, and European Respiratory Society.

Amir Qaseem, Timothy Wilt, Steven E Weinberger … (2011)

This guideline is an official statement of the American College of Physicians (ACP), American College of Chest Physicians (ACCP), American Thoracic Society (ATS), and European Respiratory Society (ERS). It represents an update of the 2007 ACP clinical practice guideline on diagnosis and management of stable chronic obstructive pulmonary disease (COPD) and is intended for clinicians who manage patients with COPD. This guideline addresses the value of history and physical examination for predicting airflow obstruction; the value of spirometry for screening or diagnosis of COPD; and COPD management strategies, specifically evaluation of various inhaled therapies (anticholinergics, long-acting β-agonists, and corticosteroids), pulmonary rehabilitation programs, and supplemental oxygen therapy. This guideline is based on a targeted literature update from March 2007 to December 2009 to evaluate the evidence and update the 2007 ACP clinical practice guideline on diagnosis and management of stable COPD. RECOMMENDATION 1: ACP, ACCP, ATS, and ERS recommend that spirometry should be obtained to diagnose airflow obstruction in patients with respiratory symptoms (Grade: strong recommendation, moderate-quality evidence). Spirometry should not be used to screen for airflow obstruction in individuals without respiratory symptoms (Grade: strong recommendation, moderate-quality evidence). RECOMMENDATION 2: For stable COPD patients with respiratory symptoms and FEV(1) between 60% and 80% predicted, ACP, ACCP, ATS, and ERS suggest that treatment with inhaled bronchodilators may be used (Grade: weak recommendation, low-quality evidence). RECOMMENDATION 3: For stable COPD patients with respiratory symptoms and FEV(1) 50% predicted. (Grade: weak recommendation, moderate-quality evidence). RECOMMENDATION 7: ACP, ACCP, ATS, and ERS recommend that clinicians should prescribe continuous oxygen therapy in patients with COPD who have severe resting hypoxemia (Pao(2) ≤55 mm Hg or Spo(2) ≤88%) (Grade: strong recommendation, moderate-quality evidence).

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Minimum clinically important difference for the COPD Assessment Test: a prospective analysis.

B Haselden, S. Kon, J. C. Dickson … (2014)

The COPD Assessment Test (CAT) is responsive to change in patients with chronic obstructive pulmonary disease (COPD). However, the minimum clinically important difference (MCID) has not been established. We aimed to identify the MCID for the CAT using anchor-based and distribution-based methods. We did three studies at two centres in London (UK) between April 1, 2010, and Dec 31, 2012. Study 1 assessed CAT score before and after 8 weeks of outpatient pulmonary rehabilitation in patients with COPD who were able to walk 5 m, and had no contraindication to exercise. Study 2 assessed change in CAT score at discharge and after 3 months in patients admitted to hospital for more than 24 h for acute exacerbation of COPD. Study 3 assessed change in CAT score at baseline and at 12 months in stable outpatients with COPD. We focused on identifying the minimum clinically important improvement in CAT score. The St George's Respiratory Questionnaire (SGRQ) and Chronic Respiratory Questionnaire (CRQ) were measured concurrently as anchors. We used receiver operating characteristic curves, linear regression, and distribution-based methods (half SD, SE of measurement) to estimate the MCID for the CAT; we included only patients with paired CAT scores in the analysis. In Study 1, 565 of 675 (84%) patients had paired CAT scores. The mean change in CAT score with pulmonary rehabilitation was -2·5 (95% CI -3·0 to -1·9), which correlated significantly with change in SGRQ score (r=0·32; p<0·0001) and CRQ score (r=-0·46; p<0·0001). In Study 2, of 200 patients recruited, 147 (74%) had paired CAT scores. Mean change in CAT score from hospital discharge to 3 months after discharge was -3·0 (95% CI -4·4 to -1·6), which correlated with change in SGRQ score (r=0·47; p<0·0001). In Study 3, of 200 patients recruited, 164 (82%) had paired CAT scores. Although no significant change in CAT score was identified after 12 months (mean 0·6, 95% CI -0·4 to 1·5), change in CAT score correlated significantly with change in SGRQ score (r=0·36; p<0·0001). Linear regression estimated the minimum clinically important improvement for the CAT to range between -1·2 and -2·8 with receiver operating characteristic curves consistently identifying -2 as the MCID. Distribution-based estimates for the MCID ranged from -3·3 to -3·8. The most reliable estimate of the minimum important difference of the CAT is 2 points. This estimate could be useful in the clinical interpretation of CAT data, particularly in response to intervention studies. Medical Research Council and UK National Institute of Health Research. Copyright © 2014 Elsevier Ltd. All rights reserved.

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Author and article information

Journal

Journal ID (nlm-ta): J Thorac Dis

Journal ID (iso-abbrev): J Thorac Dis

Journal ID (publisher-id): JTD

Title: Journal of Thoracic Disease

Publisher: AME Publishing Company

ISSN (Print): 2072-1439

ISSN (Electronic): 2077-6624

Publication date (Print and electronic): March 2020

Publication date (Print): March 2020

Volume: 12

Issue: 3

Pages: 504-521

Affiliations

[1 ]Nursing Department, Zhongshan Hospital, Fudan University , Shanghai 200032, China;

[2 ]Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University , Shanghai 200032, China

Author notes

Contributions: (I) Conception and design: C Guo, Y Wu, S Li; (II) Administrative support: Y Wu, S Li; (III) Provision of study materials or patients: C Guo, L Xie, Z Liu, X Zhang, Q Wu, Y Wu, S Li; (IV) Collection and assembly of data: C Guo, G Xiang, L Xie; (V) Data analysis and interpretation: C Guo; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors.

[#]

These authors contributed equally to this work.

Correspondence to: Shanqun Li. Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Rd., Shanghai 200032, China. Email: lsq18616880856@ 123456163.com ; Yan Wu. Nursing Department, Zhongshan Hospital, Fudan University, 180 Fenglin Rd., Shanghai 200032, China. Email: wu.yan@ 123456zs-hospital.sh.cn .

Article

Publisher ID: jtd-12-03-504

DOI: 10.21037/jtd.2020.01.03

PMC ID: 7139037

PubMed ID: 32274117

SO-VID: b704cfdc-8b89-4eb4-823a-e3a5824fac37

License:

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

History

Date received : 05 September 2019

Date accepted : 27 December 2019

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Effects of Tai Chi training on the physical and mental health status in patients with chronic obstructive pulmonary disease: a systematic review and meta-analysis

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Abstract

Background

Methods

Results

Conclusions

Related collections

Biomarkers for Inflammatory Lung Disease

Most cited references 45

Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement

Diagnosis and management of stable chronic obstructive pulmonary disease: a clinical practice guideline update from the American College of Physicians, American College of Chest Physicians, American Thoracic Society, and European Respiratory Society.

Minimum clinically important difference for the COPD Assessment Test: a prospective analysis.

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Cited by 17

Most referenced authors 619