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Tai Chi for treating knee osteoarthritis: designing a long-term follow up randomized controlled trial.
BMC Musculoskelet Disord. 2008 Jul 29; 9:108.BM

Abstract

BACKGROUND

Knee Osteoarthritis (KOA) is a major cause of pain and functional impairment among elders. Currently, there are neither feasible preventive intervention strategies nor effective medical remedies for the management of KOA. Tai Chi, an ancient Chinese mind-body exercise that is reported to enhance muscle function, balance and flexibility, and to reduce pain, depression and anxiety, may safely and effectively be used to treat KOA. However, current evidence is inconclusive. Our study examines the effects of a 12-week Tai Chi program compared with an attention control (wellness education and stretching) on pain, functional capacity, psychosocial variables, joint proprioception and health status in elderly people with KOA. The study will be completed by July 2009.

METHODS/DESIGN

Forty eligible patients, age > 55 yr, BMI < or = 40 kg/m2 with tibiofemoral osteoarthritis (American College of Rheumatology criteria) are identified and randomly allocated to either Tai Chi (10 modified forms from classical Yang style Tai Chi) or attention control (wellness education and stretching). The 60-minute intervention sessions take place twice weekly for 12 weeks. The study is conducted at an urban tertiary medical center in Boston, Massachusetts. The primary outcome measure is the Western Ontario and McMaster Universities (WOMAC) pain subscale at 12 weeks. Secondary outcomes include weekly WOMAC pain, function and stiffness scores, patient and physician global assessments, lower-extremity function, knee proprioception, depression, self-efficacy, social support, health-related quality of life, adherence and occurrence of adverse events after 12, 24 and 48 weeks.

DISCUSSION

In this article, we present the challenges of designing a randomized controlled trial with long-term follow up. The challenges encountered in this design are: strategies for recruitment, avoidance of selection bias, the actual practice of Tai Chi, and the maximization of adherence/follow-up while conducting the clinical trial for the evaluation of the effectiveness of Tai Chi on KOA.

TRIAL REGISTRATION

ClinicalTrials.gov identifier: NCT00362453.

Authors+Show Affiliations

Division of Rheumatology, Tufts Medical Center, Tufts University School of Medicine, Boston, MA, USA. cwang2@tuftsmedicalcenter.orgNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Randomized Controlled Trial
Research Support, N.I.H., Extramural

Language

eng

PubMed ID

18664276

Citation

Wang, Chenchen, et al. "Tai Chi for Treating Knee Osteoarthritis: Designing a Long-term Follow Up Randomized Controlled Trial." BMC Musculoskeletal Disorders, vol. 9, 2008, p. 108.
Wang C, Schmid CH, Hibberd PL, et al. Tai Chi for treating knee osteoarthritis: designing a long-term follow up randomized controlled trial. BMC Musculoskelet Disord. 2008;9:108.
Wang, C., Schmid, C. H., Hibberd, P. L., Kalish, R., Roubenoff, R., Rones, R., Okparavero, A., & McAlindon, T. (2008). Tai Chi for treating knee osteoarthritis: designing a long-term follow up randomized controlled trial. BMC Musculoskeletal Disorders, 9, 108. https://doi.org/10.1186/1471-2474-9-108
Wang C, et al. Tai Chi for Treating Knee Osteoarthritis: Designing a Long-term Follow Up Randomized Controlled Trial. BMC Musculoskelet Disord. 2008 Jul 29;9:108. PubMed PMID: 18664276.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Tai Chi for treating knee osteoarthritis: designing a long-term follow up randomized controlled trial. AU - Wang,Chenchen, AU - Schmid,Christopher H, AU - Hibberd,Patricia L, AU - Kalish,Robert, AU - Roubenoff,Ronenn, AU - Rones,Ramel, AU - Okparavero,Aghogho, AU - McAlindon,Timothy, Y1 - 2008/07/29/ PY - 2008/06/20/received PY - 2008/07/29/accepted PY - 2008/7/31/pubmed PY - 2008/12/31/medline PY - 2008/7/31/entrez SP - 108 EP - 108 JF - BMC musculoskeletal disorders JO - BMC Musculoskelet Disord VL - 9 N2 - BACKGROUND: Knee Osteoarthritis (KOA) is a major cause of pain and functional impairment among elders. Currently, there are neither feasible preventive intervention strategies nor effective medical remedies for the management of KOA. Tai Chi, an ancient Chinese mind-body exercise that is reported to enhance muscle function, balance and flexibility, and to reduce pain, depression and anxiety, may safely and effectively be used to treat KOA. However, current evidence is inconclusive. Our study examines the effects of a 12-week Tai Chi program compared with an attention control (wellness education and stretching) on pain, functional capacity, psychosocial variables, joint proprioception and health status in elderly people with KOA. The study will be completed by July 2009. METHODS/DESIGN: Forty eligible patients, age > 55 yr, BMI < or = 40 kg/m2 with tibiofemoral osteoarthritis (American College of Rheumatology criteria) are identified and randomly allocated to either Tai Chi (10 modified forms from classical Yang style Tai Chi) or attention control (wellness education and stretching). The 60-minute intervention sessions take place twice weekly for 12 weeks. The study is conducted at an urban tertiary medical center in Boston, Massachusetts. The primary outcome measure is the Western Ontario and McMaster Universities (WOMAC) pain subscale at 12 weeks. Secondary outcomes include weekly WOMAC pain, function and stiffness scores, patient and physician global assessments, lower-extremity function, knee proprioception, depression, self-efficacy, social support, health-related quality of life, adherence and occurrence of adverse events after 12, 24 and 48 weeks. DISCUSSION: In this article, we present the challenges of designing a randomized controlled trial with long-term follow up. The challenges encountered in this design are: strategies for recruitment, avoidance of selection bias, the actual practice of Tai Chi, and the maximization of adherence/follow-up while conducting the clinical trial for the evaluation of the effectiveness of Tai Chi on KOA. TRIAL REGISTRATION: ClinicalTrials.gov identifier: NCT00362453. SN - 1471-2474 UR - https://www.unboundmedicine.com/medline/citation/18664276/Tai_Chi_for_treating_knee_osteoarthritis:_designing_a_long_term_follow_up_randomized_controlled_trial_ L2 - https://bmcmusculoskeletdisord.biomedcentral.com/articles/10.1186/1471-2474-9-108 DB - PRIME DP - Unbound Medicine ER -