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Jiang L, Moqbel SAA, Zhu J, Fu Q, Lai J, Lin C, Wu L. Nesfatin-1 suppresses autophagy of chondrocytes in osteoarthritis via remodeling of cytoskeleton and inhibiting RhoA/ROCK signal pathway. J Orthop Surg Res 2023; 18:153. [PMID: 36859270 PMCID: PMC9979404 DOI: 10.1186/s13018-023-03539-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 01/13/2023] [Indexed: 03/03/2023] Open
Abstract
Autophagy and cytoskeleton integrity of chondrocytes are a considered as major factors in the progression of osteoarthritis (OA) involving excessive chondrocyte apoptosis and senescence. Nesfatin-1, an adipokine, has been reported to be closely related to cell autophagy and cytoskeleton malfunction. Our previous study found that nesfatin-1 was highly correlated with OA progress in OA patient, and the expression of nesfatin-1 rises in knee articular tissue, serum and chondrocytes. In current study, we aimed to explore the therapeutic effect of nesfatin-1 on OA and its molecular mechanism related to chondrocyte autophagy and cytoskeleton malfunction. We firstly demonstrated that nesfatin-1 effectively suppressed excessive autophagy of OA chondrocytes at both gene and protein levels. Meanwhile, we also found that nesfatin-1 significantly improved cytoskeleton integrity by showing higher F-actin/G-actin ratio, as well as more organized actin fiber structure. Mechanistically, utility of RhoA activator and inhibitor revealed that regulation of autophagy and cytoskeleton integrity via nesfatin-1 was realized via RhoA/ROCK pathway. We also confirmed that nesfatin-1 significantly ameliorated IL-1β induced cartilage degeneration via destabilization of the medial meniscus (DMM) model. Overall, our study indicates that nesfatin-1 might be a promising therapeutic molecule for OA intervention.
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Affiliation(s)
- Lifeng Jiang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China. .,Orthopedics Research Institute of Zhejiang University, Hangzhou, China. .,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, China. .,Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China.
| | - Safwat Adel Abdo Moqbel
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedics Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, China.,Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China
| | - Junxiong Zhu
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedics Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, China.,Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China
| | - Qiangchang Fu
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedics Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, China.,Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China
| | - Jiabin Lai
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedics Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, China.,Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China
| | - Changjian Lin
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedics Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, China.,Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China
| | - Lidong Wu
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China. .,Orthopedics Research Institute of Zhejiang University, Hangzhou, China. .,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, China. .,Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, China.
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Linking physical activity to personal values: feasibility and acceptability randomized pilot of a behavioral intervention for older adults with osteoarthritis pain. Pilot Feasibility Stud 2022; 8:164. [PMID: 35915512 PMCID: PMC9340681 DOI: 10.1186/s40814-022-01121-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 07/15/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Osteoarthritis (OA) pain is common and leads to functional impairment for many older adults. Physical activity can improve OA outcomes for older adults, but few are appropriately active. Behavioral interventions can reduce physical activity barriers. We developed and tested a brief, novel behavioral intervention (i.e., Engage-PA) for older adults combining values to enhance motivation and strategic activity pacing to improve arthritis-related pain and functioning and increase physical activity. METHODS A randomized feasibility and acceptability pilot trial compared Engage-PA to treatment-as-usual plus fitness tracker (TAU+) in N = 40 adults age 65+ with OA pain in the knee or hip. Engage-PA involved two 60-min telephone sessions. All participants wore a fitness tracker to collect daily steps throughout the study and completed baseline and post-treatment assessments of secondary outcomes (arthritis-related pain and physical functioning, physical activity, psychological distress, psychological flexibility, and valued living). The impact of COVID-19 on general well-being and physical activity was also assessed. Descriptive statistics were conducted for feasibility and acceptability outcomes. Indicators of improvement in secondary outcomes were examined via change scores from baseline to post-treatment and performing independent samples t-tests to assess for between-group differences. RESULTS Feasibility was high; 100% accrual, low (5%) attrition, and 100% completion of study sessions. Acceptability was high, with 89% finding the intervention "mostly" or "very" helpful. Engage-PA participants demonstrated improvements in arthritis pain severity (Mdiff = 1.68, p = 0.044, 95% CI [- 0.26, 3.62]) and self-reported activity (Mdiff = 0.875, p = 0.038, 95% CI [- 1.85, 0.98]) from baseline to post-treatment as compared to TAU+. Due to pandemic-related challenges, there was a high level of missing data (43%) for daily steps, but available data showed no significant change in steps over time or between the groups. COVID-19 added an additional burden to participants, such that 50% were exercising less, 68% were more sedentary, and 72% lost access to spaces and social support to be active. CONCLUSIONS Engage-PA is a promising brief, novel behavioral intervention with the potential to support older adults in improving arthritis-related pain and functioning and increasing physical activity. The feasibility and acceptability of Engage-PA are particularly notable as most participants reported COVID-19 added more barriers to physical activity. TRIAL REGISTRATION ClinicalTrials.gov, NCT04490395 . Registered on July 29, 2020.
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Radiographic hand osteoarthritis in women farmers: characteristics and risk factors. Ann Occup Environ Med 2022; 34:e10. [PMID: 35801226 PMCID: PMC9209098 DOI: 10.35371/aoem.2022.34.e10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 12/05/2022] Open
Abstract
Background Repetitive hand use increases the risk of hand osteoarthritis (OA). This study aimed to investigate characteristics of and risk factors for hand OA in Korean women farmers. Methods This cross-sectional study included women farmers resident in Jeollanam-do, Korea. The participants were interviewed, and radiographs were taken of both hands. Radiological hand OA was defined based on the Osteoarthritis Research Society International imaging criteria of joint space narrowing or the presence of osteophytes. The participants were divided into age groups of < 60 and ≥ 60 years. Obesity was defined as body mass index of > 25 kg/m2. Annual working time was divided into < 2,000, 2,000–2,999, and ≥ 3,000 hours. Agricultural working type was divided into rice farming and field farming. Robust Poisson regression was used to identify factors associated with radiographic hand OA, with adjustment for age, obesity, annual working time, and agricultural classification. Results A total of 310 participants with a mean age of 58.1 ± 7.6 years, were enrolled. The prevalence of radiologically confirmed OA was 49.0%, with an OA prevalence of 39.4% the interphalangeal joint in the thumb (IP1). The prevalence of OA was higher in the distal interphalangeal joint than in the proximal interphalangeal, metacarpophalangeal, and carpometacarpal joints. The prevalence of OA varied by age, annual working time, and agriculture type. Conclusions Korean women farmers have a high prevalence of OA, particularly in the IP1 joints. OA is associated with age, working hours, and agriculture type.
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Blanco FJ, Silva-Díaz M, Quevedo Vila V, Seoane-Mato D, Pérez Ruiz F, Juan-Mas A, Pego-Reigosa JM, Narváez J, Quilis N, Cortés R, Romero Pérez A, Fábregas Canales D, Font Gayá T, Bordoy Ferrer C, Sánchez-Piedra C, Díaz-González F, Bustabad-Reyes S. Prevalence of symptomatic osteoarthritis in Spain: EPISER2016 study. ACTA ACUST UNITED AC 2021; 17:461-470. [PMID: 34625149 DOI: 10.1016/j.reumae.2020.01.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 01/26/2020] [Indexed: 11/19/2022]
Abstract
INTRODUCTION The Spanish Society of Rheumatology carried out the EPISER2000 study in 2000 to determine the prevalence of osteoarthritis and other rheumatic diseases in the Spanish population. Recent sociodemographic changes and lifestyle habits in Spain justified updating the epidemiological data on osteoarthritis and other rheumatic diseases (EPISER2016-study). OBJECTIVE To estimate the prevalence of symptomatic osteoarthritis of the cervical spine, lumbar spine, hip, knee and hand in the adult population in Spain. MATERIAL AND METHODS Cross-sectional population-based study. A multistage and stratified random cluster sampling was carried out. The participants were contacted by telephone to complete an osteoarthritis screening questionnaire. A rheumatologist confirmed or discarded the diagnosis. The ACR-clinical-criteria were used to diagnose hand-osteoarthritis and the ACR-clinical-radiological criteria to diagnose knee- and hip-osteoarthritis. To estimate the prevalence and its 95% confidence interval, weights were calculated according to the probability of selection in each of the sampling stages. RESULTS The prevalence of osteoarthritis in Spain in one or more of the locations studied was 29.35%. The prevalence of cervical-osteoarthritis was 10.10% and of lumbar-osteoarthritis 15.52%. Both are more frequent in women and at older ages, as well as in people with low levels of education and obesity. The prevalence of hip-osteoarthritis was 5.13%, that of knee-osteoarthritis 13.83%, these are associated with female sex, overweight and obesity. The prevalence of hand osteoarthritis was 7.73%. It is more frequent in women, who are obese, with a low educational level and who are older. CONCLUSION The EPISER2016 study is the first to analyse the prevalence of symptomatic osteoarthritis in 5 locations (cervical, lumbar, knee, hip and hands) in Spain. Lumbar spine osteoarthritis is the most prevalent.
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Affiliation(s)
- Francisco J Blanco
- Servicio de Reumatología, INIBIC-Hospital Universitario A Coruña, La Coruña, Spain; Departamento de Medicina, Universidad de A Coruña, La Coruña, Spain.
| | - Maite Silva-Díaz
- Servicio de Reumatología, INIBIC-Hospital Universitario A Coruña, La Coruña, Spain
| | - Víctor Quevedo Vila
- Unidad de Reumatología, Hospital Comarcal Monforte de Lemos, Monforte de Lemos (Lugo), Spain
| | - Daniel Seoane-Mato
- Unidad de Investigación, Sociedad Española de Reumatología, Madrid, Spain
| | - Fernando Pérez Ruiz
- Servicio de Reumatología, Hospital Universitario Cruces, Baracaldo (Vizcaya), Spain
| | - Antonio Juan-Mas
- Servicio de Reumatología, Hospital Son Llàtzer, Palma de Mallorca (Balearic Islands), Spain
| | - José M Pego-Reigosa
- Servicio de Reumatología, Complejo Hospitalario Universitario de Vigo; Grupo IRIDIS, Instituto de Investigación Sanitaria Galicia Sur (IISGS), Vigo (Pontevedra), Spain
| | - Javier Narváez
- Servicio de Reumatología, Hospital Universitario de Bellvitge, L'Hospitalet de Llobregat (Barcelona), Spain
| | - Neus Quilis
- Servicio de Reumatología, Hospital General Universitario de Elda, Elda (Alicante), Spain
| | - Raúl Cortés
- Unidad de Reumatología, Hospital General de Ontinyent, Ontinyent (Valencia), Spain
| | | | | | - Teresa Font Gayá
- Sección de Reumatología, Hospital Comarcal de Inca, Inca (Balearic Islands), Spain
| | | | | | - Federico Díaz-González
- Departamento de Medicina Interna, Dermatología y Psiquiatría, Universidad de La Laguna, La Laguna (Santa Cruz de Tenerife), Spain; Servicio de Reumatología, Hospital Universitario de Canarias, La Laguna (Santa Cruz de Tenerife), Spain
| | - Sagrario Bustabad-Reyes
- Servicio de Reumatología, Hospital Universitario de Canarias, La Laguna (Santa Cruz de Tenerife), Spain
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Mobasheri A, Trumble TN, Byron CR. Editorial: One Step at a Time: Advances in Osteoarthritis. Front Vet Sci 2021; 8:727477. [PMID: 34336985 PMCID: PMC8322576 DOI: 10.3389/fvets.2021.727477] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 06/21/2021] [Indexed: 12/14/2022] Open
Affiliation(s)
- Ali Mobasheri
- Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania
- Departments of Orthopedics, Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands
- Department of Joint Surgery, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- World Health Organization Collaborating Center for Public Health Aspects of Musculoskeletal Health and Aging, Université de Liège, Liège, Belgium
| | - Troy N. Trumble
- Veterinary Population Medicine, University of Minnesota Twin Cities, St. Paul, MN, United States
| | - Christopher R. Byron
- Department of Large Animal Clinical Sciences, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, United States
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Blanco FJ, Silva-Díaz M, Quevedo Vila V, Seoane-Mato D, Pérez Ruiz F, Juan-Mas A, Pego-Reigosa JM, Narváez J, Quilis N, Cortés R, Romero Pérez A, Fábregas Canales D, Font Gayá T, Bordoy Ferrer C, Sánchez-Piedra C, Díaz-González F, Bustabad-Reyes S. Prevalence of symptomatic osteoarthritis in Spain: EPISER2016 study. REUMATOLOGIA CLINICA 2020; 17:S1699-258X(20)30023-1. [PMID: 32360025 DOI: 10.1016/j.reuma.2020.01.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 01/12/2020] [Accepted: 01/26/2020] [Indexed: 11/17/2022]
Abstract
INTRODUCTION The Spanish Society of Rheumatology carried out the EPISER2000 study in 2000 to determine the prevalence of osteoarthritis and other rheumatic diseases in the Spanish population. Recent sociodemographic changes and lifestyle habits in Spain justified updating the epidemiological data on osteoarthritis and other rheumatic diseases (EPISER2016-study). OBJECTIVE To estimate the prevalence of symptomatic osteoarthritis of the cervical spine, lumbar spine, hip, knee and hand in the adult population in Spain. MATERIAL AND METHODS Cross-sectional population-based study. A multistage and stratified random cluster sampling was carried out. The participants were contacted by telephone to complete an osteoarthritis screening questionnaire. A rheumatologist confirmed or discarded the diagnosis. The ACR-clinical-criteria were used to diagnose hand-osteoarthritis and the ACR-clinical-radiological criteria to diagnose knee- and hip-osteoarthritis. To estimate the prevalence and its 95% confidence interval, weights were calculated according to the probability of selection in each of the sampling stages. RESULTS The prevalence of osteoarthritis in Spain in one or more of the locations studied was 29.35%. The prevalence of cervical-osteoarthritis was 10.10% and of lumbar-osteoarthritis 15.52%. Both are more frequent in women and at older ages, as well as in people with low levels of education and obesity. The prevalence of hip-osteoarthritis was 5.13%, that of knee-osteoarthritis 13.83%, these are associated with female sex, overweight and obesity. The prevalence of hand osteoarthritis was 7.73%. It is more frequent in women, who are obese, with a low educational level and who are older. CONCLUSION The EPISER2016 study is the first to analyse the prevalence of symptomatic osteoarthritis in 5 locations (cervical, lumbar, knee, hip and hands) in Spain. Lumbar spine osteoarthritis is the most prevalent.
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Affiliation(s)
- Francisco J Blanco
- Servicio de Reumatología, INIBIC-Hospital Universitario A Coruña, La Coruña, España; Departamento de Medicina, Universidad de A Coruña, La Coruña, España.
| | - Maite Silva-Díaz
- Servicio de Reumatología, INIBIC-Hospital Universitario A Coruña, La Coruña, España
| | - Víctor Quevedo Vila
- Unidad de Reumatología, Hospital Comarcal Monforte de Lemos, Monforte de Lemos (Lugo), España
| | - Daniel Seoane-Mato
- Unidad de Investigación, Sociedad Española de Reumatología, Madrid, España
| | - Fernando Pérez Ruiz
- Servicio de Reumatología, Hospital Universitario Cruces, Baracaldo (Vizcaya), España
| | - Antonio Juan-Mas
- Servicio de Reumatología, Hospital Son Llàtzer, Palma de Mallorca (Baleares), España
| | - José M Pego-Reigosa
- Servicio de Reumatología, Complejo Hospitalario Universitario de Vigo; Grupo IRIDIS, Instituto de Investigación Sanitaria Galicia Sur (IISGS), Vigo (Pontevedra), España
| | - Javier Narváez
- Servicio de Reumatología, Hospital Universitario de Bellvitge, L'Hospitalet de Llobregat (Barcelona), España
| | - Neus Quilis
- Servicio de Reumatología, Hospital General Universitario de Elda, Elda (Alicante), España
| | - Raúl Cortés
- Unidad de Reumatología, Hospital General de Ontinyent, Ontinyent (Valencia), España
| | | | | | - Teresa Font Gayá
- Sección de Reumatología, Hospital Comarcal de Inca, Inca (Baleares), España
| | | | | | - Federico Díaz-González
- Departamento de Medicina Interna, Dermatología y Psiquiatría, Universidad de La Laguna, La Laguna (Santa Cruz de Tenerife), España; Servicio de Reumatología, Hospital Universitario de Canarias, La Laguna (Santa Cruz de Tenerife), España
| | - Sagrario Bustabad-Reyes
- Servicio de Reumatología, Hospital Universitario de Canarias, La Laguna (Santa Cruz de Tenerife), España
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Li C, Chen Y, Lin T, Hsiao Y, Fu JC, Chen C, Lee C. Immediate responses of multi‐focal low level laser therapy on quadriceps in knee osteoarthritis patients. Kaohsiung J Med Sci 2019; 35:702-707. [DOI: 10.1002/kjm2.12113] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 07/10/2019] [Indexed: 11/10/2022] Open
Affiliation(s)
- Cyuan‐Fong Li
- Department of Physical Medicine and RehabilitationKaohsiung Medical University Hospital Kaohsiung Taiwan
| | - Yi‐Jen Chen
- Department of Physical Medicine and RehabilitationKaohsiung Medical University Hospital Kaohsiung Taiwan
- Graduate Institute of Clinical Medicine, College of MedicineKaohsiung Medical University Kaohsiung Taiwan
| | - Tz‐Yan Lin
- Department of Physical Medicine and RehabilitationKaohsiung Municipal Ta‐Tung Hospital Kaohsiung Taiwan
| | - Yu‐Hsuan Hsiao
- Department of Physical Medicine and RehabilitationKaohsiung Medical University Hospital Kaohsiung Taiwan
| | - Jimmy Chun‐Ming Fu
- Department of Physical Medicine and RehabilitationKaohsiung Medical University Hospital Kaohsiung Taiwan
| | - Chia‐Hsin Chen
- Department of Physical Medicine and RehabilitationKaohsiung Medical University Hospital Kaohsiung Taiwan
- Department of Physical Medicine and RehabilitationSchool of Medicine, College of Medicine, Kaohsiung Medical University Kaohsiung Taiwan
- Orthopaedic Research CenterKaohsiung Medical University Kaohsiung Taiwan
| | - Chia‐Ling Lee
- Department of Physical Medicine and RehabilitationKaohsiung Municipal Siaogang Hospital Kaohsiung Taiwan
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Davis EM, Hubley-Kozey CL, Landry SC, Ikeda DM, Stanish WD, Astephen Wilson JL. Longitudinal evidence links joint level mechanics and muscle activation patterns to 3-year medial joint space narrowing. Clin Biomech (Bristol, Avon) 2019; 61:233-239. [PMID: 30685662 DOI: 10.1016/j.clinbiomech.2018.12.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 08/01/2018] [Accepted: 12/19/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND It is currently not known if there are different mechanical factors involved in accelerated rates of knee osteoarthritis structural progression. Data regarding the role of the transverse plane moment along with the contributions to joint loading from muscle activity, a primary contributor to the joint loading environment, is not well represented in the current literature on knee OA radiographic progression. The objective of this study was to understand if a 3-year end point corroborates what has been shown for longer term radiographic progression or provides more insight into factors that may be implicated in more accelerated radiographic progression than those shown previously. METHODS 52 participants visited the Dynamics of Human Motion laboratory at baseline for three-dimensional, self-selected speed over ground walking gait analysis. Differences in magnitude and patterns of 3D knee moments and electromyography waveforms between participants who progressed radiographically from those that did not were compared using t-tests (P < 0.05). FINDINGS Features of the frontal and transverse plane knee moments along with muscle activation patterns for the lateral gastrocnemius and lateral hamstrings differentiated the progression group from the non-progression group at baseline. INTERPRETATION In general, the walking gait biomechanics of the progression group in this 3-year radiographic study aligned well with previously reported characteristics of diagnosed or symptomatic osteoarthritis. The higher rotation moment range during stance found with the progression group is a novel finding that points to a need to better understand torsional joint loading and its implications for loading of the knee joint tissues.
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Affiliation(s)
- Elysia M Davis
- School of Biomedical Engineering, Dalhousie University, 5981 University Ave, Halifax, NS B3H 1W2, Canada.
| | - Cheryl L Hubley-Kozey
- School of Biomedical Engineering, Dalhousie University, 5981 University Ave, Halifax, NS B3H 1W2, Canada; School of Physiotherapy, Dalhousie University, 5869 University Avenue, Halifax, NS B3H 4R2, Canada
| | - Scott C Landry
- School of Kinesiology, Acadia University, 550 Main Street Wolfville, Nova Scotia B4P 2R6, Canada; School of Biomedical Engineering, Dalhousie University, 5981 University Ave, Halifax, NS B3H 1W2, Canada
| | - Dianne M Ikeda
- School of Biomedical Engineering, Dalhousie University, 5981 University Ave, Halifax, NS B3H 1W2, Canada
| | - William D Stanish
- School of Biomedical Engineering, Dalhousie University, 5981 University Ave, Halifax, NS B3H 1W2, Canada; Department of Surgery, Division of Orthopaedics, Dalhousie University, 1278 Tower Road Halifax, NS B3H 2Y9, Canada
| | - Janie L Astephen Wilson
- School of Biomedical Engineering, Dalhousie University, 5981 University Ave, Halifax, NS B3H 1W2, Canada; Department of Surgery, Division of Orthopaedics, Dalhousie University, 1278 Tower Road Halifax, NS B3H 2Y9, Canada; Department of Surgery, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada
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Deveza LA, Loeser RF. Is osteoarthritis one disease or a collection of many? Rheumatology (Oxford) 2018; 57:iv34-iv42. [PMID: 29267932 DOI: 10.1093/rheumatology/kex417] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Indexed: 12/18/2022] Open
Abstract
OA is a multifaceted and heterogeneous syndrome that may be amenable to tailored treatment. There has been an increasing focus within the OA research community on the identification of meaningful OA phenotypes with potential implications for prognosis and treatment. Experimental and clinical data combined with sophisticated statistical approaches have been used to characterize and define phenotypes from the symptomatic and structural perspectives. An improved understanding of the existing phenotypes based on underlying disease mechanisms may shed light on the distinct entities that make up the disease. This narrative review provides an updated summary of the most recent advances in this field as well as limitations from previous approaches that can be addressed in future studies.
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Affiliation(s)
- Leticia A Deveza
- Rheumatology Department, Royal North Shore Hospital and Institute of Bone and Joint Research, Kolling Institute, University of Sydney, Sydney, Australia
| | - Richard F Loeser
- Division of Rheumatology, Allergy, and Immunology, Thurston Arthritis Research Center, University of North Carolina School of Medicine, Chapel Hill, NC, USA
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Mahmoudian A, van Dieёn JH, Bruijn SM, Baert IAC, Faber GS, Luyten FP, Verschueren SMP. Dynamic and static knee alignment at baseline predict structural abnormalities on MRI associated with medial compartment knee osteoarthritis after 2 years. Gait Posture 2017; 57:46-51. [PMID: 28575752 DOI: 10.1016/j.gaitpost.2017.05.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 04/19/2017] [Accepted: 05/23/2017] [Indexed: 02/02/2023]
Abstract
BACKGROUND Dynamic and static varus alignment, both, have been reported as risk factors associated with structural progression of knee osteoarthritis. However the association of none of the static and dynamic alignment with structural, clinical, and functional progression associated with knee osteoarthritis has not been assessed yet in a longitudinal study. METHODS Forty-seven women with early and established medial knee osteoarthritis were evaluated. Static and dynamic alignment as well as MRI detected structural features, clinical, and functional characteristics of patients were assessed at baseline and at 2 years follow-up. Associations between baseline static and dynamic alignment with structural, functional, and clinical characteristics at the time of entry, as well as the changes over 2 years were evaluated. FINDINGS Both static and dynamic varus alignment at baseline were significantly associated with osteoarthritis related tibio-femoral joint structural abnormalities detected on MRI, at the time of entry. Only the magnitude of varus thrust at baseline was predictive of the changes in the presence of meniscal maceration over two years. None of the static or dynamic measures of knee joint alignment were associated with clinical characteristics associated with medial knee osteoarthritis. INTERPRETATION The key finding of this study is that both frontal plane dynamic and static alignment, are associated with structural abnormalities in patients with medial knee osteoarthritis.
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Affiliation(s)
- Armaghan Mahmoudian
- Department of Rehabilitation Sciences, Faculty of Kinesiology and Rehabilitation Sciences, KU Leuven, Belgium.
| | - Jaap H van Dieёn
- MOVE Research Institute Amsterdam, Faculty of Human Movement Sciences, VU University Amsterdam, The Netherlands.
| | - Sjoerd M Bruijn
- MOVE Research Institute Amsterdam, Faculty of Human Movement Sciences, VU University Amsterdam, The Netherlands; Department of Orthopedics, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, PR China.
| | - Isabel A C Baert
- Department of Rehabilitation Sciences, Faculty of Kinesiology and Rehabilitation Sciences, KU Leuven, Belgium; Department of Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Belgium.
| | - Gert S Faber
- MOVE Research Institute Amsterdam, Faculty of Human Movement Sciences, VU University Amsterdam, The Netherlands.
| | - Frank P Luyten
- Department of Development & Regeneration, Skeletal Biology and Engineering Research Center, KU Leuven, Belgium.
| | - Sabine M P Verschueren
- Department of Rehabilitation Sciences, Faculty of Kinesiology and Rehabilitation Sciences, KU Leuven, Belgium.
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Montero A, Mulero JF, Tornero C, Guitart J, Serrano M. Pain, disability and health-related quality of life in osteoarthritis-joint matters: an observational, multi-specialty trans-national follow-up study. Clin Rheumatol 2016; 35:2293-305. [PMID: 27068737 DOI: 10.1007/s10067-016-3248-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 03/22/2016] [Accepted: 03/23/2016] [Indexed: 12/21/2022]
Abstract
The authors aimed to test potential relations between osteoarthritis (OA) features, disability and health-related quality of life (HR-QoL) at different body locations. Outpatients consulting for pain associated to self-reported OA at varied healthcare settings were evaluated in a 3-month observational non-controlled follow-up study. Socio-demographic/anthropometric and medical data were collected at three time points. Lequesne's indices, quick-disabilities of arm, shoulder and hand (DASH) and Oswestry questionnaires provided measures of physical function and disability. HR-QoL measures were obtained with EuroQol-5 Dimensions. Multivariate analyses were used to evaluate the differences of pain severity across body regions and the correlates of disability and HR-QoL. Six thousand patients were evaluated. Pain lasted 2 years or more in 3995 patients. The mean pain severity at baseline was moderate (6.4 points). On average, patients had pain in 1.9 joints/areas. The pain was more severe when OA involved the spine or all body regions. Pain severity explained much of the variance in disability and HR-QoL; this association was less relevant in patients with OA in the upper limbs. There were considerable improvements at follow up. Pain severity improved as did disability, which showed particularly strong associations with HR-QoL improvements. Pain severity is associated with functional limitations, disability and poor HR-QoL in patients with self-reported OA. Functional limitations might have particular relevance when OA affects the upper limbs. Improvements are feasible in many patients who consult because of their pain.
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Affiliation(s)
- Antonio Montero
- Pain Clinic & Department of Anaesthesiology, Hospital Universitario Arnau de Vilanova, Av. Rovira Roure, 80, 25198, Lleida, Spain.
| | | | - Carlos Tornero
- Pain Clinic and Department of Anaesthesiology, Hospital Clínico Universitario, Valencia, Spain
| | | | - Mar Serrano
- Medical Department, Mundipharma, S.L., Madrid, Spain
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[OVERLOAD of joints and its role in osteoarthritis. Towards understanding and preventing progression of primary osteoarthritis]. Z Rheumatol 2015; 74:618-21. [PMID: 26334971 DOI: 10.1007/s00393-015-1649-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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13
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Willie BM, Pap T, Perka C, Schmidt CO, Eckstein F, Arampatzis A, Hege HC, Madry H, Vortkamp A, Duda GN. OVERLOAD of joints and its role in osteoarthritis : Towards understanding and preventing progression of primary osteoarthritis. English version. Z Rheumatol 2015. [PMID: 26224533 DOI: 10.1007/s00393-014-1561-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- B M Willie
- Julius Wolff Institute, Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany.
| | - T Pap
- Institute of Experimental Musculoskeletal Medicine, Westfalian Wilhelms-University Münster, Münster, Germany
| | - C Perka
- Berlin-Brandenburg Center for Regenerative Therapies, Berlin, Germany.,Orthopädische Klinik, Centrum für Musculoskeletale Chirurgie, Berlin, Germany
| | - C O Schmidt
- Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany
| | - F Eckstein
- Institute of Anatomy, Paracelsus Medical University Salzburg & Nuremberg, Salzburg, Austria
| | - A Arampatzis
- Department of Training and Movement Sciences, Humboldt-Universität zu Berlin, Berlin, Germany
| | - H-C Hege
- Zuse Institute Berlin (ZIB), Berlin, Germany
| | - H Madry
- Center of Experimental Orthopaedics, Saarland University, Homburg, Germany
| | - A Vortkamp
- Department of Developmental Biology and Centre for Medical Biotechnology, University Duisburg-Essen, Essen, Germany
| | - G N Duda
- Julius Wolff Institute, Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany.,Berlin-Brandenburg Center for Regenerative Therapies, Berlin, Germany.,Berlin-Brandenburg School for Regenerative Therapies, Berlin, Germany
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Kajaks T, Costigan P. The effect of sustained static kneeling on kinetic and kinematic knee joint gait parameters. APPLIED ERGONOMICS 2015; 46 Pt A:224-230. [PMID: 25172306 DOI: 10.1016/j.apergo.2014.08.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2011] [Revised: 08/02/2014] [Accepted: 08/07/2014] [Indexed: 06/03/2023]
Abstract
Despite epidemiological evidence for kneeling as an occupational risk factor for knee osteoarthritis, biomechanical evidence is lacking. Gait knee joint mechanics, a common measure used to study knee osteoarthritis initiation, were used in the present study to investigate the effect of sustained static kneeling on the knee. Ten healthy male subjects (24.1 years ± 3.5) performed ten baseline walking trials, followed by a 30-min kneeling protocol and a second set of walking trials. Knee joint moments and angles were calculated during the stance phase. Within-subject root mean squared differences were compared within and between the pre- and post-kneeling gait trials. Differences were observed between the pre-kneeling and post-kneeling walking trails for flexion and adduction knee moments (0.12 Nm/kg ± 0.03, 0.07 Nm/kg ± 0.02) and angles (3.18° ± 1.22 and 1.64° ± 1.15), indicating that sustained static deep-knee flexion kneeling does acutely alter knee joint gait parameters.
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Affiliation(s)
- Tara Kajaks
- Department of Kinesiology, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada L8S 4K1.
| | - Patrick Costigan
- School of Kinesiology and Health Studies, Queen's University, 28 Division Street, Kingston, Ontario, Canada K7L 3N6.
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Soleimanpour H, Gahramani K, Taheri R, Golzari SEJ, Safari S, Esfanjani RM, Iranpour A. The effect of low-level laser therapy on knee osteoarthritis: prospective, descriptive study. Lasers Med Sci 2014; 29:1695-700. [PMID: 24733283 DOI: 10.1007/s10103-014-1576-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Accepted: 03/31/2014] [Indexed: 11/29/2022]
Abstract
BACKGROUND Osteoarthritis (OA) is one of the most common joint disorders in the elderly which could be associated with considerable physical disability. PATIENTS AND METHODS In a descriptive, prospective study, 33 patients enrolled in the study from which 15 people were excluded due to incomplete course of treatment, leaving the total number of 18 patients with knee osteoarthritis. Gal-Al-As diode laser device was used as a source of low-power laser. Patients were performed laser therapy with a probe of LO7 with a wavelength of 810 nm and 50 mW output power in pulse radiation mode (F = 3,000, peak power = 80 W, Δt = 200 ns, density = 0.05 W/cm(2), dose = 6 J/cm(2), area = 1 cm(2)) and also a probe of MLO1K with a power output of 30 mW and a wavelength of 890 nm in pulse radiation mode (F = 3,000 Hz, peak power = 50 W, Δt = 200 ns, density = 0.017 W/cm(2), total dose = 10 J/cm(2)), and were given low-level laser therapy (LLLT) three times a week with a total number of 12 sessions. Data were analyzed using SPSS ver. 15, and the obtained data were reported as mean ± SD and frequency (%). To analyze the data, repeated measurement and marginal homogeneity approaches were used. RESULTS In the current study, a significant reduction was observed regarding the nocturnal pain, pain on walking and ascending the steps, knee circumference, distance between the hip and heel, and knee to horizontal hip to heel distance at the end of the treatment course. CONCLUSIONS In brief, the current study focuses on the fact that LLLT is effective in reducing pain in knee osteoarthritis.
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Affiliation(s)
- Hassan Soleimanpour
- Cardiovascular Research Center, Tabriz University of Medical Sciences, Daneshgah Street, Tabriz, 51664, Iran,
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Esfandiari E, Kamyab M, Yazdi HR, Foroughi N, Sanjari MA. The immediate effect of lateral wedge insoles, with and without a subtalar strap, on the lateral trunk lean motion in patients with knee osteoarthritis. Geriatr Orthop Surg Rehabil 2014; 4:127-32. [PMID: 24600533 DOI: 10.1177/2151458513512327] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Orthotic interventions for knee osteoarthritis (OA) aim to reduce mechanical loading on the medial compartment of the knee and may lessen the lateral trunk lean as the most important compensatory gait strategy. The lateral wedge insole is a known orthotic intervention for knee OA. However, the question whether the addition of a subtalar strap to the wedge improves its effect has not been addressed in the literature. OBJECTIVE To compare the effects of lateral wedge insoles, with and without a subtalar strap, on the lateral trunk lean in patients with knee OA. METHODS Twenty-three patients aged over 40 years, with grade I or II OA of the medial compartment of one knee, based on the American College of Rheumatology criteria, were included in this study. The patients were diagnosed with OA based on a clinical examination, and the diagnosis was confirmed with radiographs. A 3-dimensional motion measurement system was used to collect the gait data for 3 different conditions: (1) with no insole, (2) with a lateral wedge insole, and (3) with a lateral wedge insole and a subtalar strap. The immediate effect of the 3 test conditions on the lateral trunk lean was compared during a gait cycle a stance phase and at the point of midstance. RESULTS Based on the laboratory coordinate system, the 3 conditions had no significant effect on the lateral trunk lean during a gait cycle and a stance phase and at the point of midstance in patients with knee OA. CONCLUSION The results of this study demonstrated that the lateral wedge insoles, with and without a subtalar strap, had no immediate effect on the lateral trunk lean in patients with knee OA. However, the long-term effect of lateral wedge insoles on the lateral trunk lean in these patients requires further investigation.
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Affiliation(s)
- Elham Esfandiari
- Department of Orthotics and Prosthetics, School of Rehabilitation Sciences, Iran University of Medical sciences, Tehran, Iran
| | - Mojtaba Kamyab
- Department of Orthotics and Prosthetics, School of Rehabilitation Sciences, Iran University of Medical sciences, Tehran, Iran
| | - Hamid Reza Yazdi
- Department of Orthopedic Surgery, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Nasim Foroughi
- Clinical and Rehabilitation Sciences, School of Physiotherapy, University of Sydney, Sydney, North South Wales, Australia
| | - Mohammad Ali Sanjari
- Rehabilitation Research Center, Department of Rehabilitation Basic Sciences, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
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Abstract
This perspective article proposes a conceptual model for the pain experience for individuals diagnosed with knee osteoarthritis (OA). Pain in knee OA is likely a heterogeneous, multifactorial phenomenon that involves not only the OA disease process but also elements specific to patient psychology and pain neurophysiology. The relevant contributions to the pain experience for any individual patient remain difficult, if not impossible, to definitively determine, and the rationale for many clinical treatment decisions arises primarily from a mechanistic understanding of OA pathophysiology. The Osteoarthritis Research Society International (OARSI) recently identified "phenotyping" of OA pain as a research priority to "better target pain therapies to individual patients." This perspective article proposes that contributions from 3 domains--knee pathology, psychological distress, and pain neurophysiology--should be considered equally important in future efforts to understand pain phenotypes in knee OA. Ultimately, characterization of pain phenotypes may aid in the understanding of the pain experience and the development of interventions specific to pain for individual patients.
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Sampalis JS, Brownell LA. A randomized, double blind, placebo and active comparator controlled pilot study of UP446, a novel dual pathway inhibitor anti-inflammatory agent of botanical origin. Nutr J 2012; 11:21. [PMID: 22480204 PMCID: PMC3352039 DOI: 10.1186/1475-2891-11-21] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2011] [Accepted: 04/05/2012] [Indexed: 11/11/2022] Open
Abstract
Background Current use of prescribed or over the counter non-steroidal anti-inflammatory drugs (NSAIDs) for pain and osteoarthritis (OA) have untoward gastrointestinal and cardiovascular related side effects, as a result the need for a safe and effective alternative has become unequivocally crucial. Method A randomized, double blind, placebo and active controlled pilot study of a novel dual pathway, COX1/2 and LOX, inhibitor anti-inflammatory agent of botanical origin, UP446 was conducted. Sixty subjects (age 40-75) with symptomatic OA of the hip or knee were assigned to 4 treatment groups (n = 15); Group A0 (Placebo, CMC capsule), Group A1 (UP446 250 mg/day), Group A2 (UP446 500 mg/day) and Group A3 (Celecoxib, 200 mg/day). MOS-SF-36 and Western Ontario and McMaster University Osteoarthritis Index (WOMAC) data were collected at baseline and after 30, 60 and 90 days of treatment as a measure of efficacy. Erythrocyte sedimentation rate, C-reactive protein, plasma thrombin time (PTT), fructosamine, Hematology, clinical chemistry and fecal occult blood were monitored for safety. Results Statistically significant decrease in WOMAC pain score were observed for Group A1 at day 90, Group A2 at 30 and 90 days and Group A3 at 60 and 90 days. Statistically significant decrease in WOMAC stiffness score were observed for Group A1 and Group A2 at 30, 60 and 90 days; but not for Group A0 and Group A3. The mean change in WOMAC functional impairment scores were statistically significant for Group A1 and Group A2 respectively at 30 days (p = 0.006 and p = 0.006), at 60 days (p = 0.016 and p = 0.002) and at 90 days (p = 0.018 and p = 0.002), these changes were not significant for Group A0 and Group A3. Based on MOS -SF-36 questionnaires, statistically significant improvements in physical function, endurance and mental health scores were observed for all active treatment groups compared to placebo. No significant changes suggestive of toxicity in routine hematologies, serum chemistries, liver enzymes or PTT were noted in any of the treatment groups. Conclusion Based on current findings UP446 is safe and efficacious alternative to established anti-inflammatory medications for alleviating OA symptoms as measured by the WOMAC Index.
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Conroy MB, Kwoh CK, Krishnan E, Nevitt MC, Boudreau R, Carbone LD, Chen H, Harris TB, Newman AB, Goodpaster BH. Muscle strength, mass, and quality in older men and women with knee osteoarthritis. Arthritis Care Res (Hoboken) 2012; 64:15-21. [PMID: 22213722 DOI: 10.1002/acr.20588] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
OBJECTIVE To examine the relationship between knee osteoarthritis (OA) and muscle parameters in a biracial cohort of older adults. METHODS Participants in the Health, Aging and Body Composition Study (n = 858) were included in this cross-sectional analysis. Computed tomography was used to measure muscle area, and quadriceps strength was measured isokinetically. Muscle quality (specific torque) was defined as strength per unit of muscle area for both the entire thigh and quadriceps. Knee OA was assessed based on radiographic features and knee pain. We compared muscle parameters between those with and without radiographic knee OA (+RKOA group and -RKOA group, respectively) and among 4 groups defined by +RKOA and -RKOA with and without pain. RESULTS The mean ± SD age was 73.5 ± 2.9 years and the mean ± SD body mass index (BMI) was 27.9 ± 4.8 kg/m(2) . Fifty-eight percent of participants were women and 44% were African American. Compared to the -RKOA participants, +RKOA participants had a higher BMI (30.2 versus 26.8 kg/m(2)), larger thigh muscles (117.9 versus 108.9 cm(2)), and a greater amount of intermuscular fat (12.5 versus 9.9 cm(2) ; all P < 0.0001). In adjusted models, the +RKOA participants had significantly lower specific torque (P < 0.001), indicating poorer muscle quality, than -RKOA participants, but there was no difference between groups in quadriceps specific torque. The +RKOA without pain (P < 0.05) and the +RKOA with pain (P < 0.001) participants had lower specific torque compared to the -RKOA without pain group. There were no significant differences in quadriceps specific torque among groups. CONCLUSION Muscle quality was significantly poorer in participants with RKOA regardless of pain status. Future studies should address how lifestyle interventions might affect muscle quality and progression of knee OA.
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Affiliation(s)
- Molly B Conroy
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
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20
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Hill S, Dziedzic KS, Nio Ong B. Patients' perceptions of the treatment and management of hand osteoarthritis: a focus group enquiry. Disabil Rehabil 2012; 33:1866-72. [PMID: 21859421 DOI: 10.3109/09638288.2010.550381] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE Osteoarthritis (OA) is the commonest reason for a musculoskeletal consultation in primary care in older adults. There is evidence that appropriate advice and management is sub-optimal. The aim of this study was to explore perceptions and experiences of the treatment and management of hand OA in older adults. METHODS Four focus groups were conducted with primary (n = 15) and secondary (n = 14) care participants aged 50-84 years (mean age 64.9 years; 3 males, 14 females) with a clinical diagnosis of hand OA. Data were tape-recorded, transcribed and analysed using thematic analysis and constant comparison method. RESULTS Participants described a lack of help and information with regards to management of their hand OA and also a perceived lack of understanding of the impact of hand OA on the individual. Some received contradictory advice about its management. Beliefs about treatment efficacy were balanced against perceived and actual side-effects and tolerance, and such perceptions appeared to influence the use of alternative therapies. CONCLUSIONS The study identified a perceived unmet need in people with hand OA presenting in primary and secondary care. This may be due to the clinical uncertainty of treatment, lack of high-quality randomised controlled trials evaluating therapeutic options, and the limited written information available incorporating the patient experience. The study emphasised the need to understand patient illness and treatment beliefs. A better understanding of illness and treatment beliefs will facilitate the use of evidence-based approaches in the management of hand OA.
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Affiliation(s)
- Susan Hill
- Arthritis Research UK Primary Care Centre, Primary Care Sciences, Keele University, Keele, Staffs. ST5 5BG, UK.
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Franklin J, Ingvarsson T, Englund M, Ingimarsson O, Robertsson O, Lohmander LS. Natural history of radiographic hip osteoarthritis: A retrospective cohort study with 11-28 years of followup. Arthritis Care Res (Hoboken) 2011; 63:689-95. [DOI: 10.1002/acr.20412] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Tascioglu F, Kuzgun S, Armagan O, Ogutler G. Short-term effectiveness of ultrasound therapy in knee osteoarthritis. J Int Med Res 2010; 38:1233-42. [PMID: 20925995 DOI: 10.1177/147323001003800404] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
This randomized, placebo-controlled, double-blind study was designed to investigate the short-term efficacy of ultrasound therapy in 90 patients with knee osteoarthritis (OA). Patients were randomly assigned to three groups: group 1 received continuous ultrasound, group 2 received pulsed ultrasound, and group 3 received a 'sham' (placebo) ultrasound for 5 min each session. All treatments were applied once a day for 5 days a week for 2 weeks, i.e. a total treatment duration of 10 days. Compared with baseline, significant improvements were observed in the visual analogue scale pain scores and the Western Ontario and McMaster Universities osteoarthritis index (WOMAC) scores in all three groups. The reductions in pain and WOMAC scores were significantly higher in patients treated with pulsed ultrasound than in the placebo group. In conclusion, pulsed ultrasound therapy is a safe and effective treatment modality in patients with knee OA. Further research is required to investigate the long-term efficacy of pulsed ultrasound therapy in knee OA.
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Affiliation(s)
- F Tascioglu
- Department of Physical Therapy and Rehabilitation, Faculty of Medicine, Meselik Campus, Osmangazi University, 26480 Eskisehir, Turkey.
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Abstract
OBJECTIVES Studies suggest that hand osteoarthritis (OA) can result in impairment of hand function and participation restriction. The objective of the current study was to investigate the impact of functional impairments caused by hand OA on everyday life. METHODS Semi-structured interviews with primary care (n = 15; mean age 62.4 years; M : F ratio 1 : 4) and secondary care (n = 14; mean age 63.6 years; M : F ratio 1 : 13) patients aged 50 years and over were conducted. Data were analysed using thematic analysis and the constant comparison method. RESULTS Individuals reported impact across day-to-day activities. Perceptions of dependence and independence were important. They reported embarrassment due to the appearance of their hands and their inability to carry out 'normal' tasks. Work status had been affected for two of the participants. Negative emotional responses were captured. Participants utilized cognitive, behavioural and avoidance forms of coping. CONCLUSION We have captured the impact of functional impairment on everyday life and related psychological effects. With a retirement age increasing, the study raises the potential issue of future employment restriction for those with hand OA. Individuals utilising 'temporal' comparison as a form of coping may be less well adjusted to their hand problem, which could have implications for future management.
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Affiliation(s)
- Susan Hill
- Arthritis Research Campaign National Primary Care Centre, Primary Care Sciences Keele University, Keele, Staffs, UK.
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Cheung PP, Gossec L, Dougados M. What are the best markers for disease progression in osteoarthritis (OA)? Best Pract Res Clin Rheumatol 2010; 24:81-92. [PMID: 20129202 DOI: 10.1016/j.berh.2009.08.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
To be able to prevent progression of osteoarthritis, the knowledge of prognostic factors of this progression is important. If certain prognostic factors are modifiable, they may enhance our ability to reduce osteoarthritis progression. Even if these prognostic factors are not modifiable, they can still be used to identify high-risk groups, which may have implications for patient information and the perspective of medical treatment. Prognostic factors of progression are reviewed here, mainly for hip and knee osteoarthritis as most data available concern these localisations. Areas of further research are highlighted.
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Affiliation(s)
- P P Cheung
- Paris Descartes University, Medicine Faculty, UPRES-EA 4058, APHP, Rheumatology B Department, Cochin Hospital, Paris, France.
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Ding H, Solovieva S, Vehmas T, Takala EP, Leino-Arjas P. Hand osteoarthritis and pinch grip strength among middle-aged female dentists and teachers. Scand J Rheumatol 2010; 39:84-7. [PMID: 20132076 DOI: 10.3109/03009740903201834] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES Among female dentists and teachers, we investigated the relationship of pinch grip strength with radiographic hand osteoarthritis (OA) and hand joint pain. MATERIALS AND METHODS We studied 295 female dentists and 248 female teachers aged 45-63 years for pinch grip strength using the Martin Vigorimeter. Hand radiographs were examined for the presence of OA in the wrist and each joint of the first, second, and third fingers. Joint pain and tasks with high hand loading during leisure were assessed by questionnaire. Glove size was used as proxy for hand size. RESULTS Symptomatic hand OA (jointwise co-occurrence of radiological findings and pain) increased the risk of low pinch grip strength in both hands, with an odds ratio (OR) of 3.3 (95% CI 1.8-6.2) for the right and 2.0 (95% CI 1.1-3.8) for the left hand, allowing for age, occupation, body mass index (BMI), hand size, and hand-loading leisure-time activity. The occurrence of findings and pain in non-corresponding joints was also associated with pinch grip strength in the right hand, but not in the left. Having only radiographic findings or pain was not associated with pinch grip strength. CONCLUSIONS Our findings support the view that hand function is related to the severity of hand OA.
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Affiliation(s)
- H Ding
- Finnish Institute of Occupational Health, Centre of Expertise for Health and Work Ability, Helsinki, Finland
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Segal NA, Torner JC, Felson DT, Niu J, Sharma L, Lewis CE, Nevitt M. Knee extensor strength does not protect against incident knee symptoms at 30 months in the multicenter knee osteoarthritis (MOST) cohort. PM R 2009; 1:459-65. [PMID: 19627933 DOI: 10.1016/j.pmrj.2009.03.005] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2008] [Revised: 01/30/2009] [Accepted: 03/09/2009] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Knee extensor weakness has not been associated consistently with the risk for incident knee pain. Additionally, the balance of hamstring-to-quadriceps strength (H:Q ratio) may affect risk and has not been studied. The authors determined whether knee extensor weakness or muscle imbalance is a risk factor for development of frequent knee pain or stiffness and whether the effect is modified by lower limb alignment. DESIGN Observational study. SETTING Community. PARTICIPANTS Community-dwelling adults ages 50-79 years with or at risk of knee osteoarthritis based on obesity, knee injury, or surgery. A total of 1269 knees from women and 1006 knees from men without frequent knee symptoms at baseline and with 15- or 30- month follow-up outcome data were included. ASSESSMENT OF RISK FACTORS Isokinetic knee extensor and flexor strength as well as radiographic hip-knee-ankle alignment were measured at baseline. H:Q ratio was dichotomized, with normal being considered to be >/=0.6. MAIN OUTCOME MEASUREMENTS Frequent knee symptoms at 15- or 30-month follow-up (frequent knee pain, aching, or stiffness on most days of the past month reported at both telephone contact just before and at visit). RESULTS Mean +/- SD age was 62.2 +/- 8.0 years and mean body mass index (BMI) was 30.1 +/- 5.4 kg/m(2). Mean peak knee extensor strength (KES) was 132.6 +/- 42.4 and 76.9 +/- 25.3 N.m in men and women, respectively. Approximately 50% of knees in men and 59% of knees in women had an H:Q ratio <0.6. A total of 307 of 2275 eligible knees developed frequent knee symptoms at follow-up. Logistic regression controlling for age, BMI, femoral neck bone mineral density, activity score, and baseline Kellgren Lawrence grade revealed that neither KES nor H:Q ratio predicted the development of knee symptoms in gender-stratified or combined analyses. These results were unaffected by adjusting for lower limb alignment. CONCLUSIONS Neither concentric quadriceps strength nor H:Q ratios predicted the development of frequent knee symptoms at 15- or 30-month follow-up in this cohort.
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Affiliation(s)
- Neil A Segal
- Department of Orthopaedics and Rehabilitation, University of Iowa, 200 Hawkins Drive, 0728 JPP, Iowa City, IA 52242-1088, USA.
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Luger T, Cotter KA, Sherman AM. It's all in how you view it: pessimism, social relations, and life satisfaction in older adults with osteoarthritis. Aging Ment Health 2009; 13:635-47. [PMID: 19882402 PMCID: PMC2972190 DOI: 10.1080/13607860802534633] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVES Current treatments for osteoarthritis (OA) continue to leave those burdened by the condition with pain and disability which affects physical and psychological well-being. The present study examines other psychosocial factors, such as dispositional personality and social relationships, in order to investigate their influence on the well-being of 160 older adults with OA (80% women). METHOD Older adults were recruited for self-reported knee or hip OA. Participants completed self-report measures of optimism and pessimism, social support, social strain, and life satisfaction using the computer program MediaLab. Measures were taken twice 9-12 months apart. RESULTS Results showed that, both cross-sectionally and longitudinally, pessimism was related to lower social support and higher social strain. In addition, pessimism was mediated by social support in its relationship to life satisfaction. DISCUSSION Our models support the combined roles of pessimism and social support influencing life satisfaction over time. Future interventions may want to concentrate on improving the social relationships of people with OA to enhance psychological well-being.
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Lower bone mineral density of forearm in postmenopausal patients with radiographic hand osteoarthritis. Rheumatol Int 2009; 30:605-12. [PMID: 19585119 DOI: 10.1007/s00296-009-1025-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2009] [Accepted: 06/21/2009] [Indexed: 10/20/2022]
Abstract
The association between clinical parameters and forearm bone mineral density (BMD) in postmenopausal females with radiographic hand OA has not been determined. We investigated the difference in forearm BMD between radiographic hand OA and non-radiographic hand OA, and also the association between clinical parameters of patients and the level of forearm BMD. A total of 180 postmenopausal patients with hand OA were enrolled in this study. We classified them into two groups according to the Kellgren-Lawrence (K-L) radiological grade, one with radiographic hand OA (K-L grade > or = 2) and the other with non-radiographic OA (K-L grade < 2) as controls. The number of nodal joints, swollen joints and tender joints were determined in the physical examination, and measures of BMD (g/cm(2)), Australian Canadian (AUSCAN) OA hand index, grip strength, pinch strength, and visual analogue scale (VAS) were also estimated. Patients with radiographic hand OA had lower distal radius BMD when compared with controls (0.35 +/- 0.06 vs. 0.40 +/- 0.05, P < 0.001). After adjusting for variables such as age, menopausal duration, number of nodal joints, and AUSCAN function index, the difference in BMD between the two groups was also significantly different (0.35 +/- 0.04 vs. 0.38 +/- 0.04, P < 0.001). For analysis of risk factors for forearm BMD in hand OA, age and K-L OA grade in total hand OA are considered risk factors, whereas age and menopause duration contribute to the forearm BMD in radiographic hand OA patients (P < 0.001, P = 0.002, respectively). The development of osteoporosis at the distal radius in radiographic hand OA is associated with older age (OR = 1.216, P = 0.002), lower BMI (OR = 0.777, P = 0.004) and lower stiffness in the AUSCAN OA index (OR = 0.505, P = 0.003). This study shows that the BMD levels of the distal radius in patients with radiographic hand OA are significantly lower when compared to those of controls. Forearm BMD levels are positively associated with age and K-L radiological grade in total hand OA, whereas age and menopausal duration are closely related with radiographic hand OA. The presence of osteoporosis in the distal radius in radiographic hand OA may be influenced by age, BMI, and stiffness on the AUSCAN index.
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Davenport BJ. An investigation into therapists' management of osteoarthritis of the carpometacarpal joint of the thumb in the UK. HAND THERAPY 2009. [DOI: 10.1258/ht.2009.009001] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
ObjectiveOsteoarthritis (OA) of the first carpometacarpal (CMC) joint is common and causes pain and loss of function. Conservative management is widely used to manage this condition and this study aimed to investigate the current conservative management employed by therapists in the UK.MethodsA survey design was selected using a self-completed questionnaire as the data collection tool. The questionnaire was designed by the author and distributed to therapists by post to a range of therapy departments and to delegates attending a hand therapy course.ResultsA total of 115 out of 330 therapists (35%) responded with a completed questionnaire and the majority of the sample (97%) treated OA of the first CMC joint. Therapists used a variety of treatments for OA of the first CMC joint and the severity of the OA influenced the treatments used. Advice on activities of daily living, ergonomic advice, splints and exercise were the most commonly used treatment modalities. Therapists varied greatly in how effective they felt the different treatment modalities were in treating OA of the first CMC joint and how strong they felt the evidence base was to support their use. Most therapists used outcome measures, but many different ones were in use. Few therapists were aware of a classification system to grade the severity of OA of the first CMC joint.ConclusionsThere is a need for further research into the conservative management of this condition in order to establish the most effective treatments for each stage of the disease process.
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Degoricija L, Bansal PN, Söntjens SHM, Joshi NS, Takahashi M, Snyder B, Grinstaff MW. Hydrogels for osteochondral repair based on photocrosslinkable carbamate dendrimers. Biomacromolecules 2008; 9:2863-72. [PMID: 18800810 DOI: 10.1021/bm800658x] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
First generation, photocrosslinkable dendrimers consisting of natural metabolites (i.e., succinic acid, glycerol, and beta-alanine) and nonimmunogenic poly(ethylene glycol) (PEG) were synthesized divergently in high yields using ester and carbamate forming reactions. Aqueous solutions of these dendrimers were photocrosslinked with an eosin-based photoinitiator to afford hydrogels. The hydrogels displayed a range of mechanical properties based on their structure, generation size, and concentration in solution. All of the hydrogels showed minimal swelling characteristics. The dendrimer solutions were then photocrosslinked in situ in an ex vivo rabbit osteochondral defect (3 mm diameter and 10 mm depth), and the resulting hydrogels were subjected to physiologically relevant dynamic loads. Magnetic resonance imaging (MRI) showed the hydrogels to be fixated in the defect site after the repetitive loading regimen. The ([G1]-PGLBA-MA) 2-PEG hydrogel was chosen for the 6 month pilot in vivo rabbit study because this hydrogel scaffold could be prepared at low polymer weight (10 wt %) and possessed the largest compressive modulus of the 10% formulations, a low swelling ratio, and contained carbamate linkages, which are more hydrolytically stable than the ester linkages. The hydrogel-treated osteochondral defects showed good attachment in the defect site and histological analysis showed the presence of collagen II and glycosaminoglycans (GAGs) in the treated defects. By contrast, the contralateral unfilled defects showed poor healing and negligible GAG or collagen II production. Good mechanical properties, low swelling, good attachment to the defect site, and positive in vivo results illustrate the potential of these dendrimer-based hydrogels as scaffolds for osteochondral defect repair.
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Affiliation(s)
- Lovorka Degoricija
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts, USA
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Emrani PS, Katz JN, Kessler CL, Reichmann WM, Wright EA, McAlindon TE, Losina E. Joint space narrowing and Kellgren-Lawrence progression in knee osteoarthritis: an analytic literature synthesis. Osteoarthritis Cartilage 2008; 16:873-82. [PMID: 18280757 PMCID: PMC2701468 DOI: 10.1016/j.joca.2007.12.004] [Citation(s) in RCA: 112] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2007] [Accepted: 12/03/2007] [Indexed: 02/02/2023]
Abstract
OBJECTIVE While the interpretation of cartilage findings on magnetic resonance imaging (MRI) evolves, plain radiography remains the standard method for assessing progression of knee osteoarthritis (OA). We sought to describe factors that explain variability in published estimates of radiographic progression in knee OA. DESIGN We searched PubMed between January 1985 and October 2006 to identify studies that assessed radiographic progression using either joint space narrowing (JSN) or the Kellgren-Lawrence (K-L) scale. We extracted cohort characteristics [age, gender, and body mass index (BMI)] and technical and other study factors (radiographic approach, study design, OA-related cohort composition). We performed meta-regression analyses of the effects of these variables on both JSN and K-L progression. RESULTS Of 239 manuscripts identified, 34 met inclusion criteria. The mean estimated annual JSN rate was 0.13 +/- 0.15 mm/year. While we found no significant association between JSN and radiographic approach among observational studies, full extension was associated with greater estimated JSN among randomized control trials (RCTs). Overall, observational studies that used the semi-flexed approach reported greater JSN than RCTs that used the same approach. The overall mean risk of K-L progression by at least one grade was 5.6 +/- 4.9%, with higher risk associated with shorter study duration, OA definition (K-L > or = 2 vs K-L > or = 1) and cohorts composed of subjects with both incident and prevalent OA. CONCLUSION While radiographic approach and study design were associated with JSN, OA definition, cohort composition and study duration were associated with risk of K-L progression. These findings may inform the design of disease modifying osteoarthritis drug (DMOAD) trials and assist clinicians in optimal timing of OA treatments.
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van der Hart CP, van den Bekerom MPJ, Patt TW. The occurrence of osteoarthritis at a minimum of ten years after reconstruction of the anterior cruciate ligament. J Orthop Surg Res 2008; 3:24. [PMID: 18544170 PMCID: PMC2430704 DOI: 10.1186/1749-799x-3-24] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2007] [Accepted: 06/10/2008] [Indexed: 01/26/2023] Open
Abstract
OBJECTIVE The objective of this study was to evaluate the incidence of radiographic osteoarthritis in the operated knee in comparison with the contralateral knee ten years after a bone-tendon bone patellar autograft ACL-reconstruction and to evaluate to which level patients regain activity ten years after reconstruction. METHODS Fifty-three patients with ACL instability were operated arthroscopically using the central third of the patellar tendon as a bone-tendon-bone autograft. At a minimum of 10 year follow up 28/44 patients matched the inclusion criteria and could be reached for follow-up. Evaluation included a patient satisfaction evaluation using a Visual Analog Scale, physical examination (International Knee Documentation Committee score, Tegner score, Lysholm score, KT-1000 stabilometry) and a radiological evaluation (Kellgren and Fairbanks classification). RESULTS The patients' satisfaction, at a mean of 10,3 year follow-up, measured with a VAS score (0-10) was high with a mean of 8.5 (range 4 to 10). The KT 1000 arthrometer laxity measurements revealed in 55% of the patients an A rating (1-2 mm), in 29% a B rating (3-5 mm) and in 16% a C rating (6-10 mm). According to the Tegner score 54% of the patients were able to perform at the same activity level as pre-operatively. The mean pre-operative Tegner score was 6.8 and the mean post-operative Tegner score was 6.0 at final follow up. The Lysholm score showed satisfactory results with a mean of 91 points (range 56 to 100). According to the Kellgren and Fairbank classifications, there is a significant difference (p < 0.05) in development of OA between the ACL injured and subsequently operated knee in comparison to the contralateral knee. CONCLUSION The patellar BTB ACL reconstruction does not prevent the occurrence of radiological OA after 10 years but does help the patient to regain the pre-operative level of activity.
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Affiliation(s)
- Cor P van der Hart
- Department of Orthopaedic Surgery, Onze Lieve vrouwe Gasthuis, Oosterpark 9, Postbus 95500, 1090 HM, Amsterdam, the Netherlands
| | - Michel PJ van den Bekerom
- Department of Orthopaedic Surgery, Academic Medical Center, Meibergdreef 9, Postbus 22660, 1105 AZ, Amsterdam, the Netherlands
| | - Thomas W Patt
- Department of Orthopaedic Surgery, Sint Maartenskliniek, Polanerbaan 2, Postbus 8000, 3440 JD, Woerden, the Netherlands
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Nishii T, Tanaka H, Sugano N, Sakai T, Hananouchi T, Yoshikawa H. Evaluation of cartilage matrix disorders by T2 relaxation time in patients with hip dysplasia. Osteoarthritis Cartilage 2008; 16:227-33. [PMID: 17644363 DOI: 10.1016/j.joca.2007.06.003] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2006] [Accepted: 06/05/2007] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Early detection of cartilage disorder in dysplastic hips is important in predicting subsequent progression of osteoarthritis and determining the appropriate timing of osteotomy surgery. We assessed the feasibility of T2 assessment using magnetic resonance (MR) imaging at 3T for evaluating early changes in the acetabular and femoral cartilages for patients with hip dysplasia. METHODS Sagittal T2 maps of the hip were obtained using 3T MR imaging in 10 normal volunteers (14 hips) and in 23 patients (26 hips) with hip dysplasia at pre-arthritic stage (without osteoarthritis) or early-arthritic stage (with osteoarthritis at the Kellgren-Lawrence system of grade 1 or 2). T2 values and the visual appearance of T2 mapping, including gradient T2, low T2, and high T2 patterns, were compared at the superior zones of the acetabular and femoral cartilages among the normal, pre-arthritic, and early-arthritic groups. RESULTS There were no significant differences in T2 values for both cartilages among the three groups. Regarding the visual appearance of T2 mapping for the acetabular cartilage, all hips in the normal group showed a gradient T2 pattern, while the pre-arthritic groups included six hips (43%) with a low T2 pattern, and the early-arthritic group showed either a low T2 pattern (33%) or a high T2 pattern (67%). The frequency of the gradient T2 pattern was significantly lower for dysplastic hips than for normal hips, in the acetabular and femoral cartilages (P<0.05). CONCLUSIONS This preliminary study demonstrated the clinical feasibility of T2 assessment of hip cartilage using 3T MR imaging. T2 mapping classification may enable the early detection of osteoarthritic degeneration and the detection of developmental disorders of cartilage matrix in patients with hip dysplasia.
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Affiliation(s)
- T Nishii
- Department of Orthopaedic Surgery, Osaka University Medical School E3, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan.
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El-Sherif HE, Kamal R, Moawyah O. Hand osteoarthritis and bone mineral density in postmenopausal women; clinical relevance to hand function, pain and disability. Osteoarthritis Cartilage 2008; 16:12-7. [PMID: 17656115 DOI: 10.1016/j.joca.2007.05.011] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2007] [Accepted: 05/14/2007] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The aim of the present study was to assess phalangeal bone mineral density (BMD) in postmenopausal females with hand osteoarthritis (OA) and to correlate the measured levels with the radiographic OA grade, pain, function and disability of the hand. METHODS The study group constituted 40 postmenopausal women with hand OA (range; 45-83 years). Socio-demographic data were collected. They underwent a comprehensive clinical examination of joint status and health outcome measure including Australian Canadian (AUSCAN) OA hand index. Hand radiographs were quantified and graded according to Kellgren and Lawrence (K-L) scoring system. Bone mineral content (BMC) and BMD of the third finger were measured using the accuDEXA (Schick, New York, NY). Twenty females matched for age and years of menopause were studied as a control group. RESULTS Phalangeal BMC and BMD were significantly reduced in women with hand OA compared to controls and related to radiological erosive OA. The AUSCAN pain and function subscales were worse in proportion to the severity of hand OA. OA X-ray score was significantly associated with reduced right grip strength, pain, and function scales while, decreased BMD was related to Ritchie index and pain scale. CONCLUSION Postmenopausal women with clinical and radiological hand erosive OA are at risk of development of hand osteoporosis (OP). Phalangeal bone densitometry is an objective reproducible investigation. Poor physical function due to increased pain associated with increasing severity of radiographic hand OA leads to worse BMD results.
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Affiliation(s)
- H E El-Sherif
- Rheumatology and Rehabilitation Department, Faculty of Medicine, Kasr El-Aini Hospital, Cairo University, Cairo, Egypt.
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Grinstaff MW. Dendritic macromers for hydrogel formation: Tailored materials for ophthalmic, orthopedic, and biotech applications. ACTA ACUST UNITED AC 2007. [DOI: 10.1002/pola.22525] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Marks R. Physical and Psychological Correlates of Disability among a Cohort of Individuals with Knee Osteoarthritis. Can J Aging 2007; 26:367-377. [DOI: 10.3138/cja.26.4.367] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
Abstract
ABSTRACTWhile the physical correlates of knee osteoarthritis are well documented, less well documented are aspects of psychological functioning that may affect overall health and functional status. This paper describes the findings of a cross-sectional analysis that examined the strength of the relationship between selected psychological factors and the walking ability of adults with knee joint osteoarthritis. The variables assessed were pain, depression, levels of self-efficacy for pain and other-symptoms management, walking endurance, walking speed, and perceived exertion when walking. The sample, including 57 persons with unilateral and 43 persons with bilateral radiographic and symptomatic knee osteoarthritis, mean age, 69.9 ± 1 years, underwent standard assessment procedures on a single test occasion using several validated questionnaires and a series of walking tests on level ground. Bivariate and multiple regression analyses revealed that (a) higher pain and other-symptoms self-efficacy scores were associated with lower levels of pain (r= −0.29, −0.20.), perceived exertion during a walking task (r= −0.29, −0.31), and depression scores (r= −0.46, −0.54) (p< 0.001); (b) subjects with higher levels of self-efficacy for managing symptoms other than pain also recorded faster and fast speed walking velocities than those with lower self-efficacy scores (r= 0.30, 0.31) (p< 0.001); (c) self-efficacy for pain was the strongest predictor of pain intensity, and self-efficacy for symptom management was the strongest predictor of perceived exertion during walking, depression, and pain self-efficacy. Although no cause–effect relationship can be deduced from a cross-sectional analysis, these data imply that efforts to heighten self-efficacy for pain and other-symptoms management may influence the affective status, function, and effort-related perceptions of people with knee osteoarthritis quite significantly.
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van Dijk GM, Dekker J, Veenhof C, van den Ende CHM. Course of functional status and pain in osteoarthritis of the hip or knee: a systematic review of the literature. ACTA ACUST UNITED AC 2006; 55:779-85. [PMID: 17013827 DOI: 10.1002/art.22244] [Citation(s) in RCA: 171] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To systematically review studies describing the course of functioning in patients with osteoarthritis (OA) of the hip or knee and identifying potential prognostic factors. METHODS A systematic search was performed. Studies involving patients with hip or knee OA, >6 months of followup, and outcome measures on functional status or pain were included. Methodologic quality was assessed using a standardized set of 11 criteria; a qualitative data analysis was performed. RESULTS Approximately 6,500 titles and abstracts were screened and 48 publications were considered for inclusion. Eighteen studies, 4 of which met the high methodologic quality criteria, were included. For hip OA, there was limited evidence that functional status and pain do not change during the first 3 years of followup. After 3 years, however, a worsening of functional status and pain was seen. For knee OA, there was conflicting evidence for the first 3 years and limited evidence for worsening of pain and functional status after 3 years. Furthermore, limited evidence was established for negative associations between future functional status and laxity, proprioceptive inaccuracy, age, body mass index, and knee pain intensity. In contrast, greater muscle strength, better mental health, better self-efficacy, social support, and more aerobic exercise were protective factors in the first 3 years. CONCLUSION Pain and functional status in hip or knee OA seem to deteriorate slowly, with limited evidence for worsening after 3 years of followup. In specific subgroups, prognosis in the first 3 years of followup was either worse or better, as both risk factors and protective factors were identified. Prognostic factors included biomechanical factors, psychological factors, clinical factors, and treatment modalities. To strengthen the evidence, further high-quality longitudinal research on hip or knee OA functioning is needed.
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Sherman AM, Shumaker SA, Jack Rejeski W, Morgan T, Applegate WB, Ettinger W. Social support, social integration, and health-related quality of life over time: Results from the Fitness and Arthritis in Seniors Trial (FAST). Psychol Health 2006. [DOI: 10.1080/14768320500380881] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Xie T, Guo S, Zhang J, Chen Z, Peavy GM. Determination of characteristics of degenerative joint disease using optical coherence tomography and polarization sensitive optical coherence tomography. Lasers Surg Med 2006; 38:852-65. [PMID: 16998913 DOI: 10.1002/lsm.20394] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
BACKGROUND AND OBJECTIVES Previous studies have demonstrated that optical coherence tomography (OCT) could be used to delineate alterations in the microstructure of cartilage, and have suggested that changes in the polarization state of light as detected by OCT could provide information on the birefringence properties of articular cartilage as influenced by disease. In this study we have used both OCT and polarization sensitive optical coherence tomography (PS-OCT) technologies to evaluate normal and abnormal bovine articular cartilage according to established structural, organizational, and birefringent characteristics of degenerative joint disease (DJD) in order to determine if this technology can be used to differentiate various stages of DJD as a minimally invasive imaging tool. MATERIALS AND METHODS Fresh bovine femoral-tibial joints were obtained from an abattoir, and 45 cartilage specimens were harvested from 8 tibial plateaus. Whole ex vivo specimens of normal and degenerative articular cartilage were imaged by both OCT and PS-OCT, then fixed and processed for histological evaluation. OCT/PS-OCT images and corresponding histology sections of each specimen were scored according to a modified Mankin structural grading scale and compared. RESULTS OCT and PS-OCT imaging allowed structural evaluation of intact articular cartilage along a 6 mm surface length to a depth of 2 mm with a transverse resolution of 12 microm and an axial resolution of 10 microm. The OCT and PS-OCT images demonstrated characteristic alterations in the structure of articular cartilage with a high correlation to histological evaluation (kappa = 0.776). The OCT images were able to demonstrate early to advanced structural changes of articular cartilage while the optical phase retardation images obtained by PS-OCT imaging were able to discriminate areas where disorganization of the cartilage matrix was present, however, these characteristics are much different than those reported where OCT images alone were used to characterize tissue birefringence. No evidence of differences in OCT or PS-OCT images were detected between specimens of similar structural characteristics where proteoglycan was judged present or absent by safranin-O Fast Green staining. CONCLUSIONS The combined use of OCT and PS-OCT technologies to obtain images from a single system is able to demonstrate and discriminate between characteristics of very early stages of surface irregularities not previously reported for OCT imaging, to deep clefts and collagen matrix disorganization for tissue at depths of up to 2 mm with good correlation to histology. PS-OCT and accumulated optical phase retardation images of articular cartilage as constructed from alterations in Stokes vector parameters appear to give a valuable but different assessment of alterations in tissue birefringence and organization than have been reported for OCT images obtained with the use of polarized or non-polarized light sources. This is the first time that alterations in the polarization state of light reflected from within the tissue have been demonstrated to be consistent with changes observed in the orientation and organization of the collagen matrix in advanced stages of DJD. The degree of phase transformation of light reflected from within the tissue as determined by PS-OCT imaging does not appear to be altered by the presence or absence of proteoglycan.
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Affiliation(s)
- Tuqiang Xie
- Beckman Laser Institute, University of California, Irvine, California 92612, USA
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Nishii T, Tanaka H, Nakanishi K, Sugano N, Miki H, Yoshikawa H. Fat-Suppressed 3D Spoiled Gradient-Echo MRI and MDCT Arthrography of Articular Cartilage in Patients with Hip Dysplasia. AJR Am J Roentgenol 2005; 185:379-85. [PMID: 16037508 DOI: 10.2214/ajr.185.2.01850379] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE Our objective was to assess the diagnostic ability of MDCT arthrography for acetabular and femoral cartilage lesions in patients with hip dysplasia. MATERIALS AND METHODS A disorder of the articular cartilage was evaluated in 20 hips of 18 patients with acetabular dysplasia who did not have osteoarthritis or who had early stage osteoarthritis before undergoing pelvic osteotomy surgery. The findings on fat-suppressed 3D fast spoiled gradient-echo MRI and MDCT arthrography of the hip were evaluated by two independent observers, and sensitivity, specificity, and accuracy were determined using arthroscopic findings as the standard of reference. Kappa values were calculated to quantify the level of interobserver agreement. RESULTS The sensitivity and specificity for the detection of any cartilage disorder (grade 1 or higher) were (observer 1/observer 2) 49%/67% and 89%/76%, respectively, on MRI, and 67%/67% and 89%/82%, respectively, on CT arthrography. The sensitivity and specificity for the detection of cartilage lesions with substance loss (grade 2 or higher) were (observer 1/observer 2) 47%/53% and 92%/87%, respectively, on MRI, and 70%/79% and 93%/94%, respectively, on CT arthrography. CT arthrography provided significantly higher sensitivity in the detection of grade 2 or higher lesions than MRI for both observers. Interobserver agreement in the detection of grade 2 or higher cartilage lesions was moderate (kappa = 0.53) on MRI and substantial (kappa = 0.78) on CT. CONCLUSION MDCT arthrography is a sensitive and reproducible method for assessing articular cartilage lesions with substance loss in patients with hip dysplasia.
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Affiliation(s)
- Takashi Nishii
- Department of Orthopaedic Surgery, Osaka University Medical School, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
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Giannoni P, Pagano A, Maggi E, Arbicò R, Randazzo N, Grandizio M, Cancedda R, Dozin B. Autologous chondrocyte implantation (ACI) for aged patients: development of the proper cell expansion conditions for possible therapeutic applications. Osteoarthritis Cartilage 2005; 13:589-600. [PMID: 15979011 DOI: 10.1016/j.joca.2005.02.015] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2004] [Accepted: 02/19/2005] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Proliferation and chondrogenic commitment of cultured articular chondrocytes are impaired when cells derive from aged donors. In those subjects the feasibility of cell-based therapies for articular surface repair is reduced. Moreover, the use of serum as medium supplement elicits non-physiological responses in cultured chondrocytes. This study was therefore undertaken to identify the expansion culture conditions needed to sustain growth and chondrogenic commitment of chondrocytes harvested from aged human subjects. DESIGN Articular cartilage was obtained from aged (69-75 years) and from young adult subjects (27-35 years). Chondrocytes were isolated and cultured in serum-free (SF) or in serum-supplemented [fetal calf serum (FCS)] conditions. Chondrocytes were expanded in monolayer for five duplications and processed for RNA extraction and reverse transcriptase-polymerase chain reaction (RT-PCR) analysis. The differentiation potential was assessed by micromass pellet cultures before and after expansion in either culture medium, or after a prolonged exposure to serum followed by a period in SF condition. RESULTS Only SF-cultured chondrocytes reached five duplications within 25-35 days, maintaining the expression of some chondrogenic markers and without altering the levels of active matrix metalloproteinase 3 (MMP-3). Only the pellets derived from SF-expanded cultures positively stained for cartilage matrix deposition. On the contrary, exposure to serum diminished the proliferation capacities, abolished the differentiation potential in the same cells and elicited transcription of the MMP-3 gene. Shifting culture conditions from FCS to SF resumed growth rates but proper extracellular matrix deposition was only partially restored. CONCLUSIONS The SF conditions have proven valuable to prime cell proliferation and to sustain proper commitment in chondrocytes from aged patients. This culturing approach may represent a therapeutic chance extendable to a range of patients normally excluded from clinical protocols based on autologous chondrocyte implantation (ACI).
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Affiliation(s)
- P Giannoni
- Biorigen S.r.l., Via Peschiera 16, 16122-Genova, Italy.
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Bordalo-Rodrigues M, Schweitzer M, Bergin D, Culp R, Barakat MS. Lunate Chondromalacia: Evaluation of Routine MRI Sequences. AJR Am J Roentgenol 2005; 184:1464-9. [PMID: 15855097 DOI: 10.2214/ajr.184.5.01841464] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE Chondromalacia is a commonly encountered abnormality at arthroscopy and may be responsible for significant clinical symptoms and disability. In the wrist, the most common location for chondromalacia is the lunate bone. Consequently, we sought to study the accuracy of clinical MRI in the assessment of lunate articular cartilage. MATERIALS AND METHODS MR images of 34 patients who underwent arthroscopy and had an MRI examination within 1 month of surgery were evaluated by two reviewers for the presence and location of lunate cartilage defects and subchondral edema. RESULTS Lunate cartilage defects were seen on MRI in 10 of the 13 patients with chondromalacia, but these defects were also incorrectly noted in three of 21 of patients without chondromalacia. The visible locations for cartilage defects were the ulnar aspect of the proximal lunate bone (n = 3), radial aspect of the proximal lunate bone (n = 4), ulnar aspect of the distal lunate bone (n = 2), and radial aspect of the distal lunate bone (n = 1). Subchondral marrow edema was observed in six of the 10 patients with chondromalacia seen on MRI; in all six patients, the edema was seen in the same quadrant as the cartilage defect. Marrow edema was detected in one patient without chondromalacia. CONCLUSION We conclude that lunate chondromalacia can be accurately assessed using routine MRI sequences, although there are occasional false-positive interpretations.
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Affiliation(s)
- Marcelo Bordalo-Rodrigues
- Department of Radiology, Hospital for Joint Diseases Orthopaedic Institute, Bernard Aronson Plaza, 301 E 17th St., 6th Fl., New York, NY 10003, USA
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Felson DT, Nevitt MC. Epidemiologic studies for osteoarthritis: new versus conventional study design approaches. Rheum Dis Clin North Am 2005; 30:783-97, vii. [PMID: 15488693 DOI: 10.1016/j.rdc.2004.07.005] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
This article discusses epidemiologic study designs for osteoarthritis and why traditional designs are outmoded. It reviews the design of new studies, the Osteoarthritis Initiative and Multicenter Ostroarthritis Study.
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Affiliation(s)
- David T Felson
- Clinical Epidemiology Research and Training Unit, Boston University School of Medicine, 715 Albany Street, Room A207, Boston, MA 02118, USA.
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Transcutaneous Electrical Nerve Stimulation and Interferential Current Combined with Exercise for the Treatment of Knee Osteoarthritis: A Randomised Controlled Trial. Hong Kong Physiother J 2005. [DOI: 10.1016/s1013-7025(09)70054-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Kivitz AJ, Greenwald MW, Cohen SB, Polis AB, Najarian DK, Dixon ME, Moidel RA, Green JA, Baraf HSB, Petruschke RA, Matsumoto AK, Geba GP. Efficacy and Safety of Rofecoxib 12.5âmg Versus Nabumetone 1,000âmg in Patients with Osteoarthritis of the Knee: A Randomized Controlled Trial. J Am Geriatr Soc 2004; 52:666-74. [PMID: 15086644 DOI: 10.1111/j.1532-5415.2004.52201.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To evaluate the use of starting doses of rofecoxib and nabumetone in patients with osteoarthritis (OA) of the knee. DESIGN A 6-week, randomized, parallel-group, double-blind, placebo-controlled study. SETTING One hundred thirteen outpatient sites in the United States. PARTICIPANTS A total of 1,042 male and female patients aged 40 and older with OA of the knee (>6 months). INTERVENTIONS Rofecoxib 12.5 mg once a day (n=424), nabumetone 1,000 mg once a day (n=410), or placebo (n=208) for 6 weeks. MEASUREMENTS The primary efficacy endpoint was patient global assessment of response to therapy (PGART) over 6 weeks, which was also specifically evaluated over the first 6 days. The main safety measure was adverse events during the 6 weeks of treatment. RESULTS The percentage of patients with a good or excellent response to therapy as assessed using PGART at Week 6 was significantly higher with rofecoxib (55.4%) than nabumetone (47.5%; P=.018) or placebo (26.7%; P<.001 vs rofecoxib or nabumetone). Median time to first report of a good or excellent PGART response was significantly shorter in patients treated with rofecoxib (2 days) than with nabumetone (4 days, P=.002) and placebo (>5 days, P<.001) (nabumetone vs placebo; P=.007). The safety profiles of rofecoxib and nabumetone were generally similar, including gastrointestinal, hypertensive, and renal adverse events. CONCLUSION Rofecoxib 12.5 mg daily demonstrated better efficacy over 6 weeks of treatment and quicker onset of OA efficacy over the first 6 days than nabumetone 1,000 mg daily. Both therapies were generally well tolerated.
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Affiliation(s)
- Alan J Kivitz
- Altoona Center for Clinical Research, Duncansville, Pennsylvania, USA
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Abstract
Osteoarthritis is the most common form of arthritis. The condition is characterised by loss or failure of the functional and/or biochemical integrity of the joint. The clinical symptoms include joint stiffness, pain and dysfunction, but the principal problem for the majority of patients is the pain. Although there are no pain receptors in the cartilage, the origin of the pain is thought to be due to stimulation of the A delta mechanoreceptors and the C polymodal nerve endings in the synovium and surrounding tissues. However, some of the pain experienced in and around the joints is referred pain or sympathetic efferent pain. In addition, there is a poor correlation of clinical symptoms with radiological or imaging appearance. This lack of correlation of clinical evaluation and imaging makes attempts at treatment difficult and compromises attempts to design studies and to evaluate the outcome of osteoarthritis in clinical trials.
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Affiliation(s)
- W F Kean
- Hamilton Health Sciences, McMaster University, Ontario, Canada.
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Fakata KL, Lipman AG. Pharmacotherapy for pain in rheumatologic conditions: the neuropathic component. Curr Pain Headache Rep 2003; 7:197-205. [PMID: 12720599 DOI: 10.1007/s11916-003-0073-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Nociceptive and neuropathic types of pain occur in rheumatologic conditions. Most clinicians are familiar with the former, but many are not aware of the prevalence of the latter. The literature reports numerous examples of the occurrence of rheumatologic neuropathic pain, but little has been published on its management. In this article, neuropathic and nociceptive pain in rheumatologic conditions are differentiated and treatment recommendations are discussed. Common rheumatologic conditions and their pathophysiology in relation to pain mechanisms also are described. Pharmacotherapeutic recommendations for the treatment of both types of pain in the common rheumatologic conditions are presented.
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Affiliation(s)
- Keri L Fakata
- College of Pharmacy and Pain Management Center, University of Utah Health Sciences Center, 30 S. 2000 E, RM 250, Salt Lake City, UT 84112-5820, USA.
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Duda GN, Eilers M, Loh L, Hoffman JE, Kääb M, Schaser K. Chondrocyte death precedes structural damage in blunt impact trauma. Clin Orthop Relat Res 2001:302-9. [PMID: 11764363 DOI: 10.1097/00003086-200112000-00035] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Joint impact trauma has been shown to cause fissures, fibrillation, and other structural damage of the cartilage or subchondral bone. Previous studies used impact energies sufficient to fracture the underlying bone. Under these circumstances, the initial influence of impact trauma on cellular components and cartilage structure is unknown. The goal of this study was to determine whether an impact trauma first causes cellular or structural damage to a cartilage layer. Such damage might be the starting point of degenerative changes found in osteoarthrosis. Porcine patellas (n = 12) were subjected to standardized low-impact loading of three magnitudes with a spherical impactor attached to a drop tower device (0.06, 0.1, and 0.2 J). India ink staining and scanning electron microscopic analysis were used for analysis and showed no evidence of gross structural disruption. Chondrocyte viability assessed with thiazole blue staining and propidium iodide counterstaining was reduced significantly in the tangential and middle zones with increasing impact energy. These results indicate that chondrocyte death may precede excessive structural damage reported in earlier studies and might be a crucial factor in posttraumatic osteoarthrosis.
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Affiliation(s)
- G N Duda
- Department of Trauma and Reconstructive Surgery, Charité, Humboldt University of Berlin, Germany
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Hamerman D, Berman JW, Albers GW, Brown DL, Silver D. Emerging evidence for inflammation in conditions frequently affecting older adults: report of a symposium. J Am Geriatr Soc 1999; 47:1016-25. [PMID: 10443865 DOI: 10.1111/j.1532-5415.1999.tb01299.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- D Hamerman
- Department of Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York 10467, USA
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50
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Abstract
A long-term soccer career seems to increase the risk for early development of osteoarthritis in the lower extremity. Soccer constitutes a risk for osteoarthritis in two different ways. First, by the increased risk for knee injuries in soccer, such as meniscus and anterior cruciate ligament injuries; and second, by the high loading on hip and knee joints that occurs in soccer. The risk for these undesirable effects of soccer are higher in top-level players.
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Affiliation(s)
- H Roos
- Department of Orthopedics, University Hospital, Lund, Sweden
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