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Nijs J, Malfliet A, Roose E, Lahousse A, Van Bogaert W, Johansson E, Runge N, Goossens Z, Labie C, Bilterys T, Van Campenhout J, Polli A, Wyns A, Hendrix J, Xiong HY, Ahmed I, De Baets L, Huysmans E. Personalized Multimodal Lifestyle Intervention as the Best-Evidenced Treatment for Chronic Pain: State-of-the-Art Clinical Perspective. J Clin Med 2024; 13:644. [PMID: 38337338 PMCID: PMC10855981 DOI: 10.3390/jcm13030644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/11/2024] [Accepted: 01/17/2024] [Indexed: 02/12/2024] Open
Abstract
Chronic pain is the most prevalent disease worldwide, leading to substantial disability and socioeconomic burden. Therefore, it can be regarded as a public health disease and major challenge to scientists, clinicians and affected individuals. Behavioral lifestyle factors, such as, physical (in)activity, stress, poor sleep and an unhealthy diet are increasingly recognized as perpetuating factors for chronic pain. Yet, current management options for patients with chronic pain often do not address lifestyle factors in a personalized multimodal fashion. This state-of-the-art clinical perspective aims to address this gap by discussing how clinicians can simultaneously incorporate various lifestyle factors into a personalized multimodal lifestyle intervention for individuals with chronic pain. To do so the available evidence on (multimodal) lifestyle interventions targeting physical (in)activity, stress, sleep and nutritional factors, specifically, was reviewed and synthetized from a clinical point of view. First, advise is provided on how to design a personalized multimodal lifestyle approach for a specific patient. Subsequently, best-evidence recommendations on how to integrate physical (in)activity, stress, sleep and nutritional factors as treatment targets into a personalized multimodal lifestyle approach are outlined. Evidence supporting such a personalized multimodal lifestyle approach is growing, but further studies are needed.
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Affiliation(s)
- Jo Nijs
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Chronic Pain Rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, 1090 Brussels, Belgium
- Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, 405 30 Goteborg, Sweden
| | - Anneleen Malfliet
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Chronic Pain Rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, 1090 Brussels, Belgium
- Research Foundation—Flanders (FWO), 1000 Brussels, Belgium
| | - Eva Roose
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Chronic Pain Rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, 1090 Brussels, Belgium
- Rehabilitation Research Group, Department of Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium
- REVAL, Universiteit Hasselt, 3590 Diepenbeek, Belgium
| | - Astrid Lahousse
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Chronic Pain Rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, 1090 Brussels, Belgium
- Research Foundation—Flanders (FWO), 1000 Brussels, Belgium
| | - Wouter Van Bogaert
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Chronic Pain Rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, 1090 Brussels, Belgium
- Research Foundation—Flanders (FWO), 1000 Brussels, Belgium
- Interuniversity Centre for Health Economics Research (I-CHER), Department of Public Health (GEWE), Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Elin Johansson
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Research Foundation—Flanders (FWO), 1000 Brussels, Belgium
- Laboratory for Brain-Gut Axis Studies (LaBGAS), Translational Research in Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), Katholieke Universiteit Leuven, 3000 Leuven, Belgium
| | - Nils Runge
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Musculoskeletal Rehabilitation Research Group, Department of Rehabilitation Sciences, Faculty of Movement and Rehabilitation Sciences, Katholieke Universiteit Leuven, 3000 Leuven, Belgium
| | - Zosia Goossens
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Brain, Body and Cognition (BBCO), Faculty of Psychology and Educational Sciences, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Céline Labie
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Division of Rheumatology, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Thomas Bilterys
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Institute of Advanced Study, University of Warwick, Coventry CV4 7AL, UK
- Department of Psychology, University of Warwick, Coventry CV4 7AL, UK
| | - Jente Van Campenhout
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
| | - Andrea Polli
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Research Foundation—Flanders (FWO), 1000 Brussels, Belgium
- Department of Public Health and Primary Care, Centre for Environment and Health, Katholieke Universiteit Leuven, 3000 Leuven, Belgium
| | - Arne Wyns
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
| | - Jolien Hendrix
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Research Foundation—Flanders (FWO), 1000 Brussels, Belgium
- Department of Public Health and Primary Care, Centre for Environment and Health, Katholieke Universiteit Leuven, 3000 Leuven, Belgium
| | - Huan-Yu Xiong
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
| | - Ishtiaq Ahmed
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Department of Movement and Sport Sciences, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Liesbet De Baets
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
| | - Eva Huysmans
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.M.); (E.R.); (A.L.); (W.V.B.); (E.J.); (N.R.); (Z.G.); (C.L.); (T.B.); (J.V.C.); (A.P.); (A.W.); (J.H.); (H.-Y.X.); (I.A.); (L.D.B.); (E.H.)
- Chronic Pain Rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, 1090 Brussels, Belgium
- Research Foundation—Flanders (FWO), 1000 Brussels, Belgium
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Saravanan A, Reagan L, Bai J, Booker SQ, Starkweather A. Pain hygiene: A content analysis of student nurses' perspectives. Nurs Forum 2022; 57:1415-1423. [PMID: 36380507 DOI: 10.1111/nuf.12837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 10/18/2022] [Accepted: 10/31/2022] [Indexed: 06/16/2023]
Abstract
Pain hygiene (PH) is a new concept that has not been well-defined. A qualitative content analysis was conducted to understand this newly developed concept. Based on the responses from 78 students, the perceptions of the meaning of the term "pain hygiene" and differences between the term "pain hygiene" and "sleep hygiene" through their participation in open-ended surveys was described. Using content analysis, four themes emerged to present students' meaning of the term "pain hygiene": prevention of worsening of pain; cleanliness or hygiene practices to manage pain; self-care to manage pain; and physical and psychological management of pain. Two themes emerged illustrating differences between PH and sleep hygiene: practices that contribute to a better quality of life and condition, and better sleep with no pain. As a newly developing concept, PH can be used to make changes in pain assessment, prevention, and pain management strategies for all people with pain, which can enrich their quality of life and bring change in pain care outcomes.
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Affiliation(s)
- Anitha Saravanan
- School of Nursing, Northern Illinois University, DeKalb, Illinois, USA
| | - Louise Reagan
- School of Nursing, University of Connecticut, Storrs, Connecticut, USA
| | - Jinbing Bai
- Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia, USA
| | - Staja Q Booker
- College of Nursing, University of Florida, Gainesville, Florida, USA
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Radu AF, Bungau SG, Tit DM, Behl T, Uivaraseanu B, Marcu MF. Highlighting the Benefits of Rehabilitation Treatments in Hip Osteoarthritis. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:medicina58040494. [PMID: 35454333 PMCID: PMC9026847 DOI: 10.3390/medicina58040494] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/21/2022] [Accepted: 03/29/2022] [Indexed: 12/12/2022]
Abstract
Background and objectives: Due to its frequency and possible complications, hip arthrosis or hip osteoarthritis (hip OA) has a high social impact, its advanced stages eventually leading to irreversible lesions involving major complications or surgery. In the early stages, conservative treatment plays a key role in the prophylaxis of complications and in slowing down the degenerative process. The association between an appropriate drug therapy (DT) and a rehabilitation treatment (RT)—including individualized physical therapy (PT) and adapted occupational therapy (OT)—provides good results. Our objective was to highlight the benefits of associating RT with DT in patients with hip OA. Materials and Methods: An observational follow-up study was conducted between 2018−2021, which included 100 patients with hip OA divided into two groups: the study group—group A (50 subjects who complied with RT) and the control group—group B (who did not comply with RT). To evaluate them, the evolution of the Lequesne hip index (LHI), Tinetti test (TT) and the hip joint mobility: flexion (FH) and abduction (AH) were monitored before the beginning of the study (T0) and after one-year (T1) for each patient. The mean values of the parameters, the standard deviations, the frequency intervals, as well as the tests of statistical significance were calculated using the Student method (t-test) and χ2, ANOVA (Bonferroni) being used to compare the means. Results: Compared to the evolution of group B, improvements were observed in group A, as follows: in LHI group A (p = 0.023) vs. group B (p = 0.650); in TT group A (p = 0.011) vs. group B (p < 0.001); in FH group A (p = 0.001) vs. group B (p = 0.025); in AH group A (p = 0.001) vs. group B (p < 0.001). BMI changes were non-significant in both groups A (p = 0.223) and B (p = 0.513). Evaluating group A, the most significant improvements of the studied parameters were observed in the age group 41−50 years. Conclusions: The study reveals the benefits of combining RT with DT in patients with especially early-stage hip OA, aged up to 50 years old.
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Affiliation(s)
- Andrei-Flavius Radu
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania;
| | - Simona Gabriela Bungau
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania;
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
- Correspondence: (S.G.B.); (D.M.T.)
| | - Delia Mirela Tit
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania;
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
- Correspondence: (S.G.B.); (D.M.T.)
| | - Tapan Behl
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India;
| | - Bogdan Uivaraseanu
- Department of Surgery, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania;
| | - Mihai Florin Marcu
- Department of Psycho-Neurosciences and Recovery, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania;
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Thompson AR, Christopherson Z, Marshall LM, Carlson HL, Carlson NL. A Pilot Randomized Controlled Trial for Aerobic and Strengthening Exercises on Physical Function and Pain for Hip Osteoarthritis. PM R 2019; 12:229-237. [PMID: 31600429 DOI: 10.1002/pmrj.12262] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 09/20/2019] [Indexed: 11/11/2022]
Abstract
BACKGROUND Hip osteoarthritis (OA) limits lower extremity physical function. Exercise therapy may improve physical function and reduce pain in patients with hip OA. OBJECTIVE To evaluate the feasibility of a randomized controlled trial (RCT) to measure the effect of a structured hip-specific resistance and aerobic exercise program on physical function and self-reported pain in adults with hip OA. DESIGN Pilot RCT. SETTING Academic medical center. PARTICIPANTS Thirty one adults with radiographic hip OA. INTERVENTIONS Participants were randomly allocated in a 2:1 ratio to a 3-month structured exercise intervention (n = 21) or a 3-month waitlist control (n = 10). MAIN OUTCOME MEASURES The 6-minute walk test was the primary outcome measure. Self-reported physical function was assessed with the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) physical function subscale and pain visual analog scale (VAS). Measures of feasibility were assessed as secondary outcomes. RESULTS From baseline to 3 months, the median change from baseline in distance covered during the 6-minute walk test in the intervention group (49 m) was double that of the control group (22 m), but the difference was not statistically significant (P = .13). Likewise, the WOMAC physical function subscale score median changes in the intervention group (5 points) were double that of the controls (2 points), although the difference was not statistically significant (P = .06). Median change in pain scores was slightly reduced in each group but not significantly different between groups (P = .53). CONCLUSION Although no statistically significant between-group differences were found in this pilot RCT, improvements were seen in measures of physical function compared to controls. A larger RCT of this structured exercise program may be warranted.
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Affiliation(s)
- Austin R Thompson
- Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, OR
| | - Zach Christopherson
- Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, OR.,Department of Physical and Occupational Therapy, Duke University, Durham, NC
| | - Lynn M Marshall
- Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, OR
| | - Hans L Carlson
- Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, OR
| | - Nels L Carlson
- Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, OR
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Nijs J, D'Hondt E, Clarys P, Deliens T, Polli A, Malfliet A, Coppieters I, Willaert W, Tumkaya Yilmaz S, Elma Ö, Ickmans K. Lifestyle and Chronic Pain across the Lifespan: An Inconvenient Truth? PM R 2019; 12:410-419. [PMID: 31437355 DOI: 10.1002/pmrj.12244] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 07/19/2019] [Indexed: 12/31/2022]
Abstract
Chronic pain has a tremendous personal and socioeconomic impact and remains difficult to treat. Therefore, it is important to provide an update on the current understanding regarding lifestyle factors in people with chronic pain across the lifespan. Lifestyle factors such as physical (in)activity, sedentary behavior, stress, poor sleep, unhealthy diet, and smoking are associated with chronic pain severity and sustainment. This applies to all age categories, that is, chronic pain across the lifespan. Yet current treatment options often do not or only partly address the many lifestyle factors associated with chronic pain or attempt to address them in a standard format rather than providing an individually tailored multimodal lifestyle intervention. The evidence regarding lifestyle factors is available in adults, but limited in children and older adults having chronic pain, providing important avenues for future research. In conclusion, it is proposed that treatment approaches for people with chronic pain should address all relevant lifestyle factors concomitantly in an individually-tailored multimodal intervention. Ultimately, this should lead to improved outcomes and decrease the psychological and socioeconomic burden of chronic pain. Level of Evidence: IV.
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Affiliation(s)
- Jo Nijs
- Pain in Motion International Research Group, Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium.,Chronic Pain Rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, Brussels, Belgium
| | - Eva D'Hondt
- Motor Skills and Didactics Research group, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
| | - Peter Clarys
- Physical Activity, Nutrition and Health Research group, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
| | - Tom Deliens
- Physical Activity, Nutrition and Health Research group, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
| | - Andrea Polli
- Pain in Motion International Research Group, Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium.,Research Foundation - Flanders (FWO), Brussels, Belgium
| | - Anneleen Malfliet
- Pain in Motion International Research Group, Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium.,Chronic Pain Rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, Brussels, Belgium.,Research Foundation - Flanders (FWO), Brussels, Belgium.,Department of Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Iris Coppieters
- Pain in Motion International Research Group, Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium.,Chronic Pain Rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, Brussels, Belgium
| | - Ward Willaert
- Pain in Motion International Research Group, Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
| | - Sevilay Tumkaya Yilmaz
- Pain in Motion International Research Group, Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium.,Physical Activity, Nutrition and Health Research group, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
| | - Ömer Elma
- Pain in Motion International Research Group, Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium.,Physical Activity, Nutrition and Health Research group, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
| | - Kelly Ickmans
- Pain in Motion International Research Group, Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium.,Chronic Pain Rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, Brussels, Belgium.,Research Foundation - Flanders (FWO), Brussels, Belgium
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6
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Lawrenson PR, Crossley KM, Vicenzino BT, Hodges PW, James G, Croft KJ, King MG, Semciw AI. Muscle size and composition in people with articular hip pathology: a systematic review with meta-analysis. Osteoarthritis Cartilage 2019; 27:181-195. [PMID: 30389399 DOI: 10.1016/j.joca.2018.10.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 10/17/2018] [Accepted: 10/19/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To synthesise and evaluate the current evidence investigating muscle size and composition in non-inflammatory articular hip pathology. METHODS A systematic review of five electronic databases, using three concepts; articular hip pathology (e.g., osteoarthritis (OA)); hip muscles; and outcomes (e.g., muscle size and adiposity) was undertaken. Studies addressing non-inflammatory or non-traumatic articular hip pain, using measures of muscle size and adiposity were included and appraised for risk of bias. Data was extracted to calculate standardised mean differences (SMD) and pooled where possible for meta-analysis. RESULTS Thirteen cross-sectional studies were included; all studies measured muscle size and 5/13 measured adiposity. In OA, there was low to very low quality evidence of no difference in hip muscle size, compared with matched controls. In unilateral OA, there was low to very low quality evidence of smaller size in gluteus minimus (SMD -0.38; 95% confidence interval (CI) -0.74, -0.01), gluteus medius (-0.44; 95% CI: -0.83, -0.05) and gluteus maximus (-0.39; 95% CI: -0.75, -0.02) muscles in the symptomatic limb. Individual studies demonstrated non-uniform changes in muscle size in OA. No significant difference was observed in muscle size in other pathologies or in adiposity for any group. CONCLUSION There is some low quality evidence that specific hip muscles are smaller in unilateral hip OA. Variation in the magnitude of differences indicate changes in size are not uniform across all muscles or stage of pathology. Studies in larger cohorts investigating muscle size and composition across the spectrum of articular pathologies are required to clarify these findings.
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Affiliation(s)
- P R Lawrenson
- School of Health & Rehabilitation Sciences, University of Queensland, Brisbane, QLD, 4072, Australia.
| | - K M Crossley
- School of Health & Rehabilitation Sciences, University of Queensland, Brisbane, QLD, 4072, Australia; La Trobe Sport and Exercise Medicine Research Centre, College of Science, Health and Engineering, La Trobe University, VIC, 3086, Australia.
| | - B T Vicenzino
- School of Health & Rehabilitation Sciences, University of Queensland, Brisbane, QLD, 4072, Australia.
| | - P W Hodges
- School of Health & Rehabilitation Sciences, University of Queensland, Brisbane, QLD, 4072, Australia.
| | - G James
- School of Health & Rehabilitation Sciences, University of Queensland, Brisbane, QLD, 4072, Australia.
| | - K J Croft
- School of Health & Rehabilitation Sciences, University of Queensland, Brisbane, QLD, 4072, Australia.
| | - M G King
- La Trobe Sport and Exercise Medicine Research Centre, College of Science, Health and Engineering, La Trobe University, VIC, 3086, Australia.
| | - A I Semciw
- School of Health & Rehabilitation Sciences, University of Queensland, Brisbane, QLD, 4072, Australia; La Trobe Sport and Exercise Medicine Research Centre, College of Science, Health and Engineering, La Trobe University, VIC, 3086, Australia.
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7
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Tsang SM, Lam AH, Ng MH, Ng KW, Tsui CO, Yiu B. Abdominal muscle recruitment and its effect on the activity level of the hip and posterior thigh muscles during therapeutic exercises of the hip joint. J Electromyogr Kinesiol 2018; 42:10-19. [DOI: 10.1016/j.jelekin.2018.06.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 04/06/2018] [Accepted: 06/11/2018] [Indexed: 12/16/2022] Open
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Loureiro A, Constantinou M, Diamond LE, Beck B, Barrett R. Individuals with mild-to-moderate hip osteoarthritis have lower limb muscle strength and volume deficits. BMC Musculoskelet Disord 2018; 19:303. [PMID: 30131064 PMCID: PMC6103991 DOI: 10.1186/s12891-018-2230-4] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 08/14/2018] [Indexed: 01/21/2023] Open
Abstract
Background Individuals with advanced hip osteoarthritis (OA) exhibit generalized muscle weakness of the affected limb and so clinical practice guidelines recommend strength training for the management of hip OA. However, the extent and pattern of muscle weakness, including any between-limb asymmetries, in early stages of the disease are unclear. This study compared hip and knee muscle strength and volumes between individuals with mild-to-moderate symptomatic and radiographic hip OA and a healthy control group. Methods Nineteen individuals with mild-to-moderate symptomatic and radiographic hip OA (n = 12 unilateral; n = 7 bilateral) and 23 age-matched, healthy controls without radiographic hip OA or hip pain participated. Isometric strength of the hip and knee flexors and extensors, and hip abductors and adductors were measured. Hip and thigh muscle volumes were measured from lower limb magnetic resonance images. A full-factorial, two-way General Linear Model was used to assess differences between groups and between limbs. Results Participants in the hip OA group demonstrated significantly lower knee flexor, knee extensor, hip flexor, hip extensor and hip abductor strength compared to controls and had significantly lower volume of the adductor, hamstring and quadriceps groups, and gluteus maximus and gluteus minimus muscles, but not tensor fasciae latae or gluteus medius muscles. There were no between-limb strength differences or volume differences within either group. Conclusions Atrophic, bilateral hip and knee muscle weakness is a feature of individuals with mild-to-moderate hip OA. Early interventions to target muscle weakness and prevent the development of strength asymmetries that are characteristic of advanced hip OA appear warranted.
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Affiliation(s)
- Aderson Loureiro
- Menzies Health Institute Queensland, School of Allied Health Sciences, Griffith University, Gold Coast, QLD, 4222, Australia.,Pontifical Catholic University (PUCRS), Porto Alegre, Brazil.,University of Rio dos Sinos (UNISINOS), São Leopoldo, Brazil
| | - Maria Constantinou
- Menzies Health Institute Queensland, School of Allied Health Sciences, Griffith University, Gold Coast, QLD, 4222, Australia.,Australian Catholic University, Brisbane, QLD, 4014, Australia
| | - Laura E Diamond
- Menzies Health Institute Queensland, School of Allied Health Sciences, Griffith University, Gold Coast, QLD, 4222, Australia. .,Centre of Clinical Research Excellence in Spinal Pain, Injury & Health, School of Health & Rehabilitation Sciences, The University of Queensland, Brisbane, QLD, Australia.
| | - Belinda Beck
- Menzies Health Institute Queensland, School of Allied Health Sciences, Griffith University, Gold Coast, QLD, 4222, Australia
| | - Rod Barrett
- Menzies Health Institute Queensland, School of Allied Health Sciences, Griffith University, Gold Coast, QLD, 4222, Australia
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Carlton L, Maccio JR, Maccio JG, McGowan C. The application of mechanical diagnosis and therapy on hip osteoarthritis: A case report. Physiother Theory Pract 2018; 36:347-357. [PMID: 29924661 DOI: 10.1080/09593985.2018.1485194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Background: The prevalence and cost of hip osteoarthritis (OA) is rising. Mechanical diagnosis and therapy (MDT) is an orthopedic classification and treatment system based on mechanical and symptomatic response to repeated and sustained end-range movements. There has been no investigation of the association between MDT and patients diagnosed with hip OA. Case Description: This case report presents a 71-year-old female diagnosed with hip OA and matching the currently accepted clinical prediction rule (CPR) for symptomatic hip OA. The patient was classified and treated by a Diplomat of MDT and co-examiner using MDT. Outcomes: Short- and long-term (13 months) outcomes were excellent, demonstrating rapid abolishment of symptoms and improvement in function in 5 visits over 21 days. The patient demonstrated the ability to prevent and manage reoccurrence of symptoms independently; nevertheless, she received a total hip replacement which was not in accordance with current guidelines and recommendations. Conclusion: This case report raises questions about whether or not pathologies traditionally associated with the etiology of hip OA are actually at fault. Moreover, it raises questions about the utility of special tests and CPRs typically utilized to identify those structures. The case report provides preliminary evidence from one patient that MDT may be capable of providing effective short- and long-term outcomes in the management of hip OA.
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10
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The Impact of Prehabilitation on Postoperative Functional Status, Healthcare Utilization, Pain, and Quality of Life: A Systematic Review. Orthop Nurs 2018; 35:224-37. [PMID: 27441877 DOI: 10.1097/nor.0000000000000264] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND "Preoperative rehabilitation" or prehabilitation has been increasingly studied alongside the deleterious effects of surgery and functional decline. Prehabilitation is the preoperative optimization of physical functionality to enable the individual to maintain a normal level of function during and after surgery. This systematic review evaluates the effectiveness of prehabilitation on functional status, healthcare utilization, quality of life, and pain postoperatively. METHODS Trials registries and databases of published and unpublished literature were extensively searched. All studies were assessed independently for relevance, eligibility, and quality. Seventeen studies were included in the review: 13 in orthopaedics (mainly knee or hip arthroplasty for osteoarthritis), 2 in abdominal surgery, and 2 in cardiac surgery. FINDINGS There is no evidence to show that prehabilitation has significant benefits in function, quality of life, and pain; however, it may reduce admission to rehabilitation after knee or hip arthroplasty for osteoarthritis. There is insufficient evidence to make inferences in other surgical populations, notwithstanding initial evidence does not demonstrate advantages.
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Cabilan CJ, Hines S, Munday J. The effectiveness of prehabilitation or preoperative exercise for surgical patients: a systematic review. ACTA ACUST UNITED AC 2018; 13:146-87. [PMID: 26447015 DOI: 10.11124/jbisrir-2015-1885] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
BACKGROUND Major surgery can induce functional decline and pain, which can also have negative implications on health care utilization and quality of life. Prehabilitation is the process of optimizing physical functionality preoperatively to enable the individual to maintain a normal level of function during and after surgery. Prehabilitation training can be a combination of aerobic exercises, strength training, and functional task training to suit individual needs. OBJECTIVES To evaluate the impact of prehabilitation on physical functional status, health care utilization, quality of life, and pain after surgery. INCLUSION CRITERIA Studies of adult surgical patients, excluding day surgery patients.Any preoperative exercise interventions identified in the study as part of a prehabilitation or preoperative exercise program, versus usual care.Randomized controlled trials.Functional status, health care utilization, quality of life and pain. SEARCH STRATEGY Published (CINAHL, CENTRAL, EMBASE, MEDLINE, PEDro) and unpublished studies between 1996 and March 2013 were searched extensively. METHODOLOGICAL QUALITY All studies were assessed independently by two reviewers for relevance, eligibility and methodological quality. DATA COLLECTION Data from included papers were extracted using a modified data extraction tool. DATA SYNTHESIS Where possible, study results were pooled in statistical meta-analysis. Alternatively, results are presented in narrative and table form. RESULTS A total of 3167 citations were identified; after removal of duplicates, assessment for relevance and eligibility, 33 studies underwent critical appraisal. Seventeen studies met the quality criteria and were included in quantitative synthesis. Thirteen studies were conducted in orthopedics (mainly knee or hip arthroplasty for osteoarthritis), one in colorectal, two in cardiac and one in upper gastrointestinal/hepatobiliary. Function, pain and quality of life were quantified according to prehabilitation dose and postoperative months. Prehabilitation, at any dose, did not demonstrate benefits in objective and self-reported function at any of the postoperative time points. Prehabilitation did not demonstrate benefits in quality of life or pain; however, there was significant evidence that prehabilitation doses of more than 500 minutes reduced the need for postoperative rehabilitation, but no significant reduction was found in readmissions or nursing home placement. CONCLUSIONS Results from this review reveal that prehabilitation has no significant postoperative benefits in function, quality of life and pain in patients who have had knee or hip arthroplasty for osteoarthritis; however, there is evidence that prehabilitation may reduce admission to rehabilitation in this population. The evidence on postoperative benefits of prehabilitation in other surgical populations is limited; however, preliminary evidence does not demonstrate better outcomes. IMPLICATIONS FOR PRACTICE There is no evidence that prehabilitation provides benefits in function, pain or quality of life in patients who have had arthroplasty for osteoarthritis; however prehabilitation doses of more than 500 minutes might reduce acute rehabilitation admissions. The evidence is insufficient to provide recommendations on the benefits of prehabilitation in other surgical populations. IMPLICATIONS FOR RESEARCH Future prehabilitation studies are not recommended in patients with osteoarthritis for whom arthroplasty is planned. However, should prehabilitation be tested in other surgical populations, programs must consider patient suitability, setting, delivery of intervention and clinical effectiveness. It is also recommended that the exercises prescribed should be maintained and adhered to after surgery. Most importantly, prehabilitation studies must have adequately powered sample sizes.
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Affiliation(s)
- C J Cabilan
- 1 Nursing Research Centre, Mater Health Services; Nursing Research Centre, Mater Health Services; the Queensland Centre for Evidence Based Nursing and Midwifery: a Collaborating Centre of the Joanna Briggs Institute
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12
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Łyp M, Kaczor R, Cabak A, Tederko P, Włostowska E, Stanisławska I, Szypuła J, Tomaszewski W. A Water Rehabilitation Program in Patients with Hip Osteoarthritis Before and After Total Hip Replacement. Med Sci Monit 2016; 22:2635-42. [PMID: 27455419 PMCID: PMC4970440 DOI: 10.12659/msm.896203] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Pain associated with coxarthrosis, typically occurring in middle-aged and elderly patients, very commonly causes considerable limitation of motor fitness and dependence on pharmacotherapy. This article provides an assessment of a rehabilitation program with tailored water exercises in patients with osteoarthritis before and after total hip replacement. MATERIAL AND METHODS A total of 192 patients (the mean age 61.03±10.89) suffering from hip osteoarthritis (OA) were evaluated before and after total hip replacement (THR). The clinical study covered measurements of hip active ranges of motion (HAROM) and the forces generated by pelvis stabilizer muscles. Pain intensity was assessed according to analogue-visual scale of pain (VAS) and according to the Modified Laitinen Questionnaire. The patients were divided into 6 groups (4 treatment and 2 control). We compared 2 rehabilitation programs using kinesitherapy and low-frequency magnetic field. One of them also had specially designed exercises in the water. Statistical analysis was carried out at the significance level α=0.05. This was a cross-sectional study. RESULTS A positive effect of water exercises on a number of parameters was found in patients with OA both before and after total hip replacement surgery. We noted a significant reduction of pain (p<0.001), increased ranges of motion and muscle strength, and reduced use of medicines (NASAIDs) (p<0.001). A correlation was found between the degree of degenerative deforming lesions and the effects of the treatment process (p<0.01). CONCLUSIONS 1. The rehabilitation program including water exercises most significantly reduced pain in patients with OA before and after total hip replacement surgery. 2. Inclusion of water exercises in a rehabilitation program can reduce the use of medicines in patient with OA and after THR.
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Affiliation(s)
- Marek Łyp
- Department of Physiotherapy, Rehabilitation College in Warsaw, Warsaw, Poland
| | - Ryszard Kaczor
- Department of Physiotherapy, Rehabilitation College in Warsaw, Warsaw, Poland
| | - Anna Cabak
- Department of Physiotherapy, University of Physical Education, Faculty of Rehabilitation, Warsaw, Poland
| | - Piotr Tederko
- Department of Physiotherapy, Rehabilitation College in Warsaw, Warsaw, Poland
| | - Ewa Włostowska
- Department of Physiotherapy, Rehabilitation College in Warsaw, Warsaw, Poland
| | - Iwona Stanisławska
- Department of Physiotherapy, Rehabilitation College in Warsaw, Warsaw, Poland
| | - Jan Szypuła
- Department of Orthopedic Surgery, Luxmed Hospital, Warsaw, Poland
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Nguyen C, Lefèvre-Colau MM, Poiraudeau S, Rannou F. Rehabilitation (exercise and strength training) and osteoarthritis: A critical narrative review. Ann Phys Rehabil Med 2016; 59:190-195. [PMID: 27155923 DOI: 10.1016/j.rehab.2016.02.010] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Revised: 02/21/2016] [Accepted: 02/28/2016] [Indexed: 10/21/2022]
Abstract
Rehabilitation is widely recommended in national and international guidelines for managing osteoarthritis (OA) in primary care settings. According to the 2014 OA Research Society International (OARSI) recommendations, rehabilitation is even considered the core treatment of OA and is recommended for all patients. Rehabilitation for OA widely includes land- and water-based exercise, strength training, weight management, self-management and education, biomechanical interventions, and physically active lifestyle. We performed a critical narrative review of the efficacy and safety of rehabilitation for managing OA and discuss evidence-based international recommendations. The process of article selection was unsystematic. Articles were selected based on authors' expertise, self-knowledge, and reflective practice. For the purpose of the review, we focused on land- and water-based exercise and strength training for knee, hip and hand OA. Other aspects of rehabilitation in OA are treated elsewhere in this special issue. Exercise therapy is widely recommended for managing knee, hip and hand OA. However, the level of evidence varies according to OA location. Overall, consistent evidence suggests that exercise therapy and specific strengthening exercise or strength training for the lower limb reduce pain and improve physical function in knee OA. Evidence for other OA sites are less consistent. Therefore, because of the lack of specific studies, recommendations for hip and hand OA are mainly derived from studies of knee OA. In addition, no recommendations have been established regarding the exercise regimen. The efficacy and safety of exercise therapy and strength training need to be further evaluated in randomized controlled trials of patients with hip and hand OA. The optimal delivery of exercise programs also has to be more clearly defined.
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Affiliation(s)
- Christelle Nguyen
- Service de Rééducation et de Réadaptation de l'Appareil Locomoteur et des Pathologies du Rachis, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Université Paris Descartes, PRES Sorbonne Paris Cité, Paris, France; Laboratoire de Pharmacologie, Toxicologie et Signalisation Cellulaire, INSERM UMR-S 1124, UFR Biomédicale des Saints Pères, Université Paris Descartes, PRES Sorbonne Paris Cité, Paris, France.
| | - Marie-Martine Lefèvre-Colau
- Service de Rééducation et de Réadaptation de l'Appareil Locomoteur et des Pathologies du Rachis, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Université Paris Descartes, PRES Sorbonne Paris Cité, Paris, France; INSERM UMR-S 1153 et Institut Fédératif de Recherche sur le Handicap, University Paris Descartes, PRES Sorbonne Paris Cité, Paris, France
| | - Serge Poiraudeau
- Service de Rééducation et de Réadaptation de l'Appareil Locomoteur et des Pathologies du Rachis, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Université Paris Descartes, PRES Sorbonne Paris Cité, Paris, France; INSERM UMR-S 1153 et Institut Fédératif de Recherche sur le Handicap, University Paris Descartes, PRES Sorbonne Paris Cité, Paris, France
| | - François Rannou
- Service de Rééducation et de Réadaptation de l'Appareil Locomoteur et des Pathologies du Rachis, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Université Paris Descartes, PRES Sorbonne Paris Cité, Paris, France; Laboratoire de Pharmacologie, Toxicologie et Signalisation Cellulaire, INSERM UMR-S 1124, UFR Biomédicale des Saints Pères, Université Paris Descartes, PRES Sorbonne Paris Cité, Paris, France
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Teirlinck CH, Luijsterburg PAJ, Dekker J, Bohnen AM, Verhaar JAN, Koopmanschap MA, van Es PP, Koes BW, Bierma-Zeinstra SMA. Effectiveness of exercise therapy added to general practitioner care in patients with hip osteoarthritis: a pragmatic randomized controlled trial. Osteoarthritis Cartilage 2016; 24:82-90. [PMID: 26254237 DOI: 10.1016/j.joca.2015.07.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Revised: 07/02/2015] [Accepted: 07/20/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To assess the effectiveness of exercise therapy added to general practitioner (GP) care compared with GP care alone, in patients with hip osteoarthritis (OA) during 12 months follow-up. METHODS We performed a multi-center parallel pragmatic randomized controlled trial in 120 general practices in the Netherlands. 203 patients, aged ≥45 years, with a new episode of hip complaints, complying with the ACR criteria for hip OA were randomized to the intervention group (n = 101; GP care with additional exercise therapy) or the control group (n = 102; GP care only). GP care was given by patient's own GP. The intervention group received, in addition, a maximum of 12 exercise therapy sessions in the first 3 months and hereafter three booster sessions. Blinding was not possible. Primary outcomes were hip pain and hip-related function measured with the HOOS questionnaire (score 0-100). RESULTS The overall estimates on hip pain and function during the 12-month follow-up showed no between-group difference (intention-to-treat). At 3-months follow-up there was a statistically significant between-group difference for HOOS pain -3.7 (95% CI: -7.3; -0.2), effect size -0.23 and HOOS function -5.3 (95% CI: -8.9; -1.6), effect size -0.31. No adverse events were reported. CONCLUSIONS No differences were found during 12-months follow-up on pain and function. At 3-months follow-up, pain and function scores differed in favor of patients allocated to the additional exercise therapy compared with GP care alone. TRIAL REGISTRATION The Netherlands Trial Registry NTR1462.
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Affiliation(s)
- C H Teirlinck
- Erasmus MC University Medical Center, Department of General Practice, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands.
| | - P A J Luijsterburg
- Erasmus MC University Medical Center, Department of General Practice, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
| | - J Dekker
- VU University Medical Center, Department of Rehabilitation Medicine, EMGO+ Institute for Health and Care Research, P.O. Box 7057, 1007 MB Amsterdam, The Netherlands
| | - A M Bohnen
- Erasmus MC University Medical Center, Department of General Practice, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
| | - J A N Verhaar
- Erasmus MC University Medical Center, Department of Orthopedics, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
| | - M A Koopmanschap
- Erasmus University Rotterdam, Department of Health Policy and Management, P.O. Box 1738, 3000 DR Rotterdam, The Netherlands
| | - P P van Es
- Erasmus MC University Medical Center, Department of General Practice, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
| | - B W Koes
- Erasmus MC University Medical Center, Department of General Practice, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
| | - S M A Bierma-Zeinstra
- Erasmus MC University Medical Center, Department of General Practice, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
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Nijs J, Meeus M, Versijpt J, Moens M, Bos I, Knaepen K, Meeusen R. Brain-derived neurotrophic factor as a driving force behind neuroplasticity in neuropathic and central sensitization pain: a new therapeutic target? Expert Opin Ther Targets 2014; 19:565-76. [PMID: 25519921 DOI: 10.1517/14728222.2014.994506] [Citation(s) in RCA: 126] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Central sensitization is a form of maladaptive neuroplasticity underlying many chronic pain disorders, including neuropathic pain, fibromyalgia, whiplash, headache, chronic pelvic pain syndrome and some forms of osteoarthritis, low back pain, epicondylitis, shoulder pain and cancer pain. Brain-derived neurotrophic factor (BDNF) is a driving force behind neuroplasticity, and it is therefore crucial for neural maintenance and repair. However, BDNF also contributes to sensitization of pain pathways, making it an interesting novel therapeutic target. AREAS COVERED An overview of BDNF's sensitizing capacity at every level of the pain pathways is presented, including the peripheral nociceptors, dorsal root ganglia, spinal dorsal horn neurons, and brain descending inhibitory and facilitatory pathways. This is followed by the presentation of several potential therapeutic options, ranging from indirect influencing of BDNF levels (using exercise therapy, anti-inflammatory drugs, melatonin, repetitive transcranial magnetic stimulation) to more specific targeting of BDNF's receptors and signaling pathways (blocking the proteinase-activated receptors 2-NK-κβ signaling pathway, administration of phencyclidine for antagonizing NMDA receptors, or blockade of the adenosine A2A receptor). EXPERT OPINION This section focuses on combining pharmacotherapy with multimodal rehabilitation for balancing the deleterious and therapeutic effects of BNDF treatment in chronic pain patients, as well as accounting for the complex and biopsychosocial nature of chronic pain.
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Affiliation(s)
- Jo Nijs
- Pain in Motion international research group
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Efficacy of rehabilitation programs for improving muscle strength in people with hip or knee osteoarthritis: a systematic review with meta-analysis. Osteoarthritis Cartilage 2014; 22:1752-73. [PMID: 25065642 DOI: 10.1016/j.joca.2014.07.005] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Revised: 06/27/2014] [Accepted: 07/10/2014] [Indexed: 02/02/2023]
Abstract
To analyse the effect of exercise-based rehabilitation programs for improving lower limb muscle strength in individuals with hip or knee osteoarthritis (OA). A systematic search utilizing seven databases identified randomized controlled trials (RCTs) evaluating lower limb strength outcomes of exercise-based interventions for participants with hip or knee OA. All studies were screened for eligibility and methodological quality. Quality of evidence was assessed using Grading of Recommendation, Assessment, Development and Evaluation (GRADE) approach. Data were pooled and meta-analyses performed where appropriate. Forty RCTs were included and the majority (77%) involved resistance based exercise programs. For knee OA populations, there was high quality evidence for improved knee extension (standardized mean difference (SMD) = 0.47, 95% confidence intervals (CI) 0.29, 0.66) and flexion strength (SMD = 0.74, 95% CI 0.56, 0.92) with low-intensity resistance program when compared to a control at short term (ST) follow-up. There was moderate quality evidence for a large effect favouring high-intensity resistance programs (SMD = 0.76, 95% CI 0.47, 1.06) when compared to a control. This effect was sustained at intermediate term (IT) follow-up (SMD = 0.80, 95% CI 0.44, 1.17). Few studies reported on outcomes at long term (LT) follow-up. Only one study reported on a population with hip OA. When compared to a control group, high-intensity resistance exercise demonstrated moderate quality of evidence for large and sustained improvements for knee muscle strength in knee OA patients. Further work is needed to compare different modes of exercise at a LT follow-up for knee OA patients and to address the dearth of literature evaluating exercise interventions in people with hip OA.
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Fehring TK, Fehring K, Odum SM, Halsey D. Physical therapy mandates by Medicare administrative contractors: effective or wasteful? J Arthroplasty 2013; 28:1459-62. [PMID: 23796555 DOI: 10.1016/j.arth.2013.05.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Accepted: 05/20/2013] [Indexed: 02/01/2023] Open
Abstract
Documentation of medical necessity for arthroplasty has come under scrutiny by Medicare. In some jurisdictions three months of physical therapy prior to arthroplasty has been mandated. The purpose of this study was to determine the efficacy and cost of this policy to treat advanced osteoarthritis. A systematic review was performed to assimilate efficacy data for physical therapy in patients with advanced osteoarthritis. The number of arthroplasties performed annually was obtained to calculate cost. Evidence-based studies documenting the efficacy of physical therapy in treating advanced arthritis are lacking with a potential cost of 36-68 million dollars. Physical therapy mandates by administrative contractors are not only ineffective but are costly without patient benefit. Medical necessity documentation should be driven by orthopedists not retroactively by Medicare contractors.
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Affiliation(s)
- Kim Bennell
- Department of Physiotherapy, The University of Melbourne, Australia.
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Fernandes L, Hagen KB, Bijlsma JWJ, Andreassen O, Christensen P, Conaghan PG, Doherty M, Geenen R, Hammond A, Kjeken I, Lohmander LS, Lund H, Mallen CD, Nava T, Oliver S, Pavelka K, Pitsillidou I, da Silva JA, de la Torre J, Zanoli G, Vliet Vlieland TPM. EULAR recommendations for the non-pharmacological core management of hip and knee osteoarthritis. Ann Rheum Dis 2013; 72:1125-35. [PMID: 23595142 DOI: 10.1136/annrheumdis-2012-202745] [Citation(s) in RCA: 854] [Impact Index Per Article: 77.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The objective was to develop evidence -based recommendations and a research and educational agenda for the non-pharmacological management of hip and knee osteoarthritis (OA). The multidisciplinary task force comprised 21 experts: nurses, occupational therapists, physiotherapists, rheumatologists, orthopaedic surgeons, general practitioner, psychologist, dietician, clinical epidemiologist and patient representatives. After a preliminary literature review, a first task force meeting and five Delphi rounds, provisional recommendations were formulated in order to perform a systematic review. A literature search of Medline and eight other databases was performed up to February 2012. Evidence was graded in categories I-IV and agreement with the recommendations was determined through scores from 0 (total disagreement) to 10 (total agreement). Eleven evidence-based recommendations for the non-pharmacological core management of hip and knee OA were developed, concerning the following nine topics: assessment, general approach, patient information and education, lifestyle changes, exercise, weight loss, assistive technology and adaptations, footwear and work. The average level of agreement ranged between 8.0 and 9.1. The proposed research agenda included an overall need for more research into non-pharmacological interventions for hip OA, moderators to optimise individualised treatment, healthy lifestyle with economic evaluation and long-term follow-up, and the prevention and reduction of work disability. Proposed educational activities included the required skills to teach, initiate and establish lifestyle changes. The 11 recommendations provide guidance on the delivery of non-pharmacological interventions to people with hip or knee OA. More research and educational activities are needed, particularly in the area of lifestyle changes.
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Affiliation(s)
- Linda Fernandes
- National Resource Center for Rehabilitation in Rheumatology, Diakonhjemmet Hospital, Oslo, Norway.
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Loureiro A, Mills PM, Barrett RS. Muscle weakness in hip osteoarthritis: A systematic review. Arthritis Care Res (Hoboken) 2013; 65:340-52. [DOI: 10.1002/acr.21806] [Citation(s) in RCA: 107] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Accepted: 07/09/2012] [Indexed: 12/18/2022]
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Bearne LM, Walsh NE, Jessep S, Hurley MV. Feasibility of an exercise-based rehabilitation programme for chronic hip pain. Musculoskeletal Care 2011; 9:160-168. [PMID: 21695751 DOI: 10.1002/msc.209] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
BACKGROUND Chronic hip pain is prevalent and disabling and has considerable consequences for the individual, and health and social care. Evidence-based guidelines recommend that patients with chronic hip pain benefit from exercise, but these guidelines are predominantly based on the efficacy of knee rehabilitation programmes. Studies investigating hip rehabilitation programmes suggest that these may not be feasible, citing issues with case identification. This study evaluated the feasibility of an exercise-based rehabilitation programme in a primary care hospital. METHODS Forty-eight participants with chronic hip pain were randomly allocated to receive a five-week exercise and self-management programme or to continue under the management of their general practitioner (GP). Participants were assessed at baseline, six weeks and six months. Outcome measures included Western Ontario and McMaster Universities osteoarthritis index physical function subscale, pain, objective functional performance, self-efficacy, anxiety and depression. RESULTS This programme was feasible, well tolerated and easily implemented into a primary healthcare facility. Adherence to the programme was high (81% attendance). Immediately following rehabilitation, all outcomes measures improved (effect sizes 0.2-0.4), although these improvements diminished at six months. There were no differences between the groups (all p > 0.05). CONCLUSIONS An exercise-based rehabilitation programme was found to be feasible and well tolerated by people with chronic hip pain. The moderate effects in all outcomes immediately following rehabilitation suggested that it warrants further investigation. Issues with diagnosis and adaptations to the programme were identified and will be addressed in a randomized controlled trial.
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Lodi D, Iannitti T, Palmieri B. Stem cells in clinical practice: applications and warnings. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2011; 30:9. [PMID: 21241480 PMCID: PMC3033847 DOI: 10.1186/1756-9966-30-9] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/26/2010] [Accepted: 01/17/2011] [Indexed: 12/11/2022]
Abstract
Stem cells are a relevant source of information about cellular differentiation, molecular processes and tissue homeostasis, but also one of the most putative biological tools to treat degenerative diseases. This review focuses on human stem cells clinical and experimental applications. Our aim is to take a correct view of the available stem cell subtypes and their rational use in the medical area, with a specific focus on their therapeutic benefits and side effects. We have reviewed the main clinical trials dividing them basing on their clinical applications, and taking into account the ethical issue associated with the stem cell therapy.
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Affiliation(s)
- Daniele Lodi
- Department of Nephrology, Dialysis and Transplantation, University of Modena and Reggio Emilia Medical School, Modena, Italy
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Wood LRJ, Peat GM, Mullis R, Thomas E, Foster NE. Impairment-targeted exercises for older adults with knee pain: protocol for a proof-of-principle study. BMC Musculoskelet Disord 2011; 12:2. [PMID: 21214901 PMCID: PMC3025930 DOI: 10.1186/1471-2474-12-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2010] [Accepted: 01/07/2011] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Exercise therapy for knee pain and osteoarthritis remains a key element of conservative treatment, recommended in clinical guidelines. Yet systematic reviews point to only modest benefits from exercise interventions.One reason for this might be that clinical trials tend to use a one-size-fits-all approach to exercise, effectively disregarding the details of their participants' clinical presentations. This uncontrolled before-after study (TargET-Knee-Pain) aims to test the principle that exercises targeted at the specific physical impairments of older adults with knee pain may be able to significantly improve those impairments. It is a first step towards testing the effectiveness of this more individually-tailored approach. METHODS/DESIGN We aim to recruit 60 participants from an existing observational cohort of community-dwelling older adults with knee pain. Participants will all have at least one of the three physical impairments of weak quadriceps, a reduced range of knee flexion and poor standing balance. Each participant will be asked to undertake a programme of exercises, targeted at their particular combination and degree of impairment(s), over the course of twelve weeks. The exercises will be taught and progressed by an experienced physiotherapist, with reference to a "menu" of agreed exercises for each of the impairments, over the course of six fortnightly home visits, alternating with six fortnightly telephone calls. Primary outcome measures will be isometric quadriceps strength, knee flexion range of motion, timed single-leg standing balance and the "Four Balance Test Scale" at 12 weeks. Key secondary outcome measures will be self-reported levels of pain, stiffness and difficulties with day-to-day functional tasks (WOMAC). Outcome measures will be taken at three time-points (baseline, six weeks and twelve weeks) by a study nurse blinded to the exercise status of the participants. DISCUSSION This study (TargET-Knee-Pain) is the first step towards exploring whether an impairment-targeted approach to exercise prescription for older adults with knee pain may have sufficient efficacy to warrant further testing. If warranted, future randomised clinical trials may compare this approach with more traditional one-size-fits-all exercise approaches. TRIAL REGISTRATION Current Controlled Trials ISRCTN61638364.
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Affiliation(s)
- Laurence RJ Wood
- Arthritis Research UK Primary Care Centre, Keele University, Keele, Staffordshire, ST7 8AE, UK
| | - George M Peat
- Arthritis Research UK Primary Care Centre, Keele University, Keele, Staffordshire, ST7 8AE, UK
| | - Ricky Mullis
- General Practice and Primary Care Research Unit, Institute of Public Health, University of Cambridge, IPH, Forvie Site, Robinson Way, Cambridge, Cambridgeshire, CB2 0SR, UK
| | - Elaine Thomas
- Arthritis Research UK Primary Care Centre, Keele University, Keele, Staffordshire, ST7 8AE, UK
| | - Nadine E Foster
- Arthritis Research UK Primary Care Centre, Keele University, Keele, Staffordshire, ST7 8AE, UK
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Bennell KL, Egerton T, Pua YH, Abbott JH, Sims K, Metcalf B, McManus F, Wrigley TV, Forbes A, Harris A, Buchbinder R. Efficacy of a multimodal physiotherapy treatment program for hip osteoarthritis: a randomised placebo-controlled trial protocol. BMC Musculoskelet Disord 2010; 11:238. [PMID: 20946621 PMCID: PMC2966457 DOI: 10.1186/1471-2474-11-238] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2010] [Accepted: 10/14/2010] [Indexed: 11/10/2022] Open
Abstract
Background Hip osteoarthritis (OA) is a common condition leading to pain, disability and reduced quality of life. There is currently limited evidence to support the use of conservative, non-pharmacological treatments for hip OA. Exercise and manual therapy have both shown promise and are typically used together by physiotherapists to manage painful hip OA. The aim of this randomised controlled trial is to compare the efficacy of a physiotherapy treatment program with placebo treatment in reducing pain and improving physical function. Methods The trial will be conducted at the University of Melbourne Centre for Health, Exercise and Sports Medicine. 128 participants with hip pain greater or equal to 40/100 on visual analogue scale (VAS) and evidence of OA on x-ray will be recruited. Treatment will be provided by eight community physiotherapists in the Melbourne metropolitan region. The active physiotherapy treatment will comprise a semi-structured program of manual therapy and exercise plus education and advice. The placebo treatment will consist of sham ultrasound and the application of non-therapeutic gel. The participants and the study assessor will be blinded to the treatment allocation. Primary outcomes will be pain measured by VAS and physical function recorded on the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) immediately after the 12 week intervention. Participants will also be followed up at 36 weeks post baseline. Conclusions The trial design has important strengths of reproducibility and reflecting contemporary physiotherapy practice. The findings from this randomised trial will provide evidence for the efficacy of a physiotherapy program for painful hip OA. Trial Registration Australian New Zealand Clinical Trials Registry reference: ACTRN12610000439044
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Affiliation(s)
- Kim L Bennell
- Centre for Health, Exercise & Sports Medicine, School of Health Sciences, University of Melbourne, Melbourne, VIC, Australia.
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Bennell KL, Hinman RS. A review of the clinical evidence for exercise in osteoarthritis of the hip and knee. J Sci Med Sport 2010; 14:4-9. [PMID: 20851051 DOI: 10.1016/j.jsams.2010.08.002] [Citation(s) in RCA: 250] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2010] [Revised: 08/03/2010] [Accepted: 08/06/2010] [Indexed: 02/06/2023]
Abstract
Osteoarthritis (OA) is a chronic joint disease with the hip and knee being commonly affected lower limb sites. Osteoarthritis causes pain, stiffness, swelling, joint instability and muscle weakness, all of which can lead to impaired physical function and reduced quality of life. This review of evidence provides recommendations for exercise prescription in those with hip or knee OA. A narrative review was performed. Conservative non-pharmacological strategies, particularly exercise, are recommended by all clinical guidelines for the management of OA and meta-analyses support these exercise recommendations. Aerobic, strengthening, aquatic and Tai chi exercise are beneficial for improving pain and function in people with OA with benefits seen across the range of disease severities. The optimal exercise dosage is yet to be determined and an individualized approach to exercise prescription is required based on an assessment of impairments, patient preference, co-morbidities and accessibility. Maximising adherence is a key element dictating success of exercise therapy. This can be enhanced by the use of supervised exercise sessions (possibly in class format) in the initial exercise period followed by home exercises. Bringing patients back for intermittent consultations with the exercise practitioner, or attendance at "refresher" group exercise classes may also assist long-term adherence and improved patient outcomes. Few studies have evaluated the effects of exercise on structural disease progression and there is currently no evidence to show that exercise can be disease modifying. Exercise plays an important role in managing symptoms in those with hip and knee OA.
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Affiliation(s)
- Kim L Bennell
- Centre for Health Exercise and Sports Medicine, Department of Physiotherapy, The University of Melbourne, Australia.
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de Luca K, Pollard H, Brantingham J, Globe G, Cassa T. Chiropractic Management of the Kinetic Chain for the Treatment of Hip Osteoarthritis: An Australian Case Series. J Manipulative Physiol Ther 2010; 33:474-9. [DOI: 10.1016/j.jmpt.2010.06.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2009] [Revised: 04/16/2010] [Accepted: 04/23/2010] [Indexed: 01/22/2023]
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Jackson CG, Plaas AH, Sandy JD, Hua C, Kim-Rolands S, Barnhill JG, Harris CL, Clegg DO. The human pharmacokinetics of oral ingestion of glucosamine and chondroitin sulfate taken separately or in combination. Osteoarthritis Cartilage 2010; 18:297-302. [PMID: 19912983 PMCID: PMC2826597 DOI: 10.1016/j.joca.2009.10.013] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2009] [Revised: 10/09/2009] [Accepted: 10/23/2009] [Indexed: 02/02/2023]
Abstract
OBJECTIVE As part of the National Institutes of Health (NIH)-sponsored Glucosamine/Chondroitin sulfate Arthritis Intervention Trial (GAIT) our objective here was to examine (1) the pharmacokinetics (PK) of glucosamine (GlcN) and chondroitin sulfate (CS) when taken separately or in combination as a single dose in normal individuals (n=29) and (2) the PK of GlcN and CS when taken as a single dose after 3 months daily dosing with GlcN, CS or GlcN+CS, in patients with symptomatic knee pain (n=28). METHODS The concentration of GlcN in the circulation was determined by established fluorophore-assisted carbohydrate electrophoresis (FACE) methods. The hydrodynamic size and disaccharide composition of CS chains in the circulation and dosage samples was determined by Superose 6 chromatography and FACE. RESULTS We show that circulating levels of CS in human plasma are about 20 microg/ml. Most significantly, the endogenous concentration and CS disaccharide composition were not detectably altered by ingestion of CS, when the CS was taken alone or in combination with GlcN. On the other hand, the Cmax (single-dose study) and AUC values (multiple-dose study) for ingested GlcN were significantly reduced by combination dosing with CS, relative to GlcN dosing alone. CONCLUSIONS We conclude that pain relief perceived following ingestion of CS probably does not depend on simultaneous or prior intake of GlcN. Further, such effects on joint pain, if present, probably do not result from ingested CS reaching the joint space but may result from changes in cellular activities in the gut lining or in the liver, where concentrations of ingested CS, or its breakdown products, could be substantially elevated following oral ingestion. Moreover, since combined dosing of GlcN with CS was found to reduce the plasma levels seen with GlcN dosing alone, any improved pain relief by combination dosing cannot be explained by higher circulating concentrations of GlcN.
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Affiliation(s)
- C G Jackson
- University of Utah School of Medicine, Salt Lake City, UT, USA
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