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Saito S, Makino A, Morimoto N. Sustained increase of pinch strength after traction treatment for symptomatic distal interphalangeal joint osteoarthritis. Heliyon 2024; 10:e32830. [PMID: 38975115 PMCID: PMC11226916 DOI: 10.1016/j.heliyon.2024.e32830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Revised: 06/08/2024] [Accepted: 06/10/2024] [Indexed: 07/09/2024] Open
Abstract
Background Symptomatic distal interphalangeal joint osteoarthritis is a common joint disease that causes hand disability and reduces quality of life. There are few conservative treatment options for this condition. The purpose of this study was to investigate the effect of traction treatment on symptomatic distal interphalangeal joint osteoarthritis. Methods This prospective, longitudinal study involved multiple time-series observations and within-subject controls. The most painful distal interphalangeal joints in patients with hand osteoarthritis were treated by daily, 15-min joint traction at home using a finger trap orthosis. The corresponding contralateral digits were used as within-subject controls. The primary outcome measure was two-point pinch strength, and the secondary outcome measures were radiographic findings and treatment adherence. Longitudinal and pairwise comparison analyses of the treated and control digits examined improvements in two-point pinch strength at months 1, 3, and 6 from baseline. The durability of treatment effects after treatment discontinuation was investigated at month 12. Results Eighteen treated digits and 18 corresponding control digits were eligible for analysis. There was a significant increase in two-point pinch strength after 1-month traction, and this increase was maintained until month 6 despite the absence of radiographic changes. Compared to controls, significant improvement in two-point pinch strength relative to baseline was seen at every observation time point, with a moderate to large effect size. There was no time-treatment interaction. Treatment adherence was high. At months 3 and 6, around 60-80 % of digits were voluntarily treated. Pinch strength was comparable between months 6 and 12, with greater improvement than in the control group. Conclusion Joint traction treatment can improve pinch strength in symptomatic distal interphalangeal joint osteoarthritis. Larger, randomized studies on traction treatment and the effect on hand function are warranted.
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Affiliation(s)
- Susumu Saito
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine and Faculty of Medicine, Kyoto University, Japan
| | - Aiko Makino
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine and Faculty of Medicine, Kyoto University, Japan
| | - Naoki Morimoto
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine and Faculty of Medicine, Kyoto University, Japan
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Struik T, Mastbergen SC, Brouwer RW, Custers RJH, van Geenen RCI, Heusdens CHW, Emans PJ, Huizinga MR, Jansen MP. Joint distraction using a purpose-built device for knee osteoarthritis: a prospective 2-year follow-up. RMD Open 2023; 9:rmdopen-2023-003074. [PMID: 37290929 DOI: 10.1136/rmdopen-2023-003074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 05/22/2023] [Indexed: 06/10/2023] Open
Abstract
OBJECTIVE Knee distraction treatment for end-stage osteoarthritis successfully postpones arthroplasty for years. Studies performed thus far used general intended use, patient-personalised or custom-made devices. In this study, for the first time, a device specifically designed for knee distraction is evaluated. DESIGN 65 patients (≤65 years) with end-stage knee osteoarthritis indicated for arthroplasty received knee distraction. Before, 1-year and 2-year post-treatment, questionnaires were filled out and knee radiographs made. Adverse events and self-reported pain medication were registered. RESULTS Forty-nine patients completed 2-year follow-up: one patient did not complete treatment, three patients received arthroplasty in the first and four patients in the second year follow-up. Eight patients were lost to follow-up in the second year. The total Western Ontario and McMaster Universities Osteoarthritis Index score showed a clinically relevant improvement at 1 and 2 years (+26 and +24 points), as did all subscales (all p<0.001). The minimum radiographic joint space width improved over 1 (+0.5 mm; p<0.001) and 2 (+0.4 mm; p=0.015) years, as did the physical Short-Form 36 (+10 points; p<0.001). The most common adverse event was pin tract infection, experienced by 66% of patients, in 88% successfully treated with oral antibiotics. In two cases, hospitalisation and/or intravenous antibiotics were needed. Eight patients experienced device-related complications. None of the complications influenced 2-year outcomes. Before treatment, 42% of patients used pain medication, which had nearly been halved 1 (23%; p=0.02) and 2 years (29%; p=0.27) post-treatment. CONCLUSIONS Patients treated with a general applicable, for knee distraction purpose-built device showed, despite adverse events, significant clinical and structural improvement over 2 years. TRIAL REGISTRATION NUMBER NL7986.
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Affiliation(s)
- Thijmen Struik
- Department of Rheumatology & Clinical Immunology, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Simon C Mastbergen
- Department of Rheumatology & Clinical Immunology, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Reinoud W Brouwer
- Department of Orthopedics, Martini Hospital, Groningen, The Netherlands
| | - Roel J H Custers
- Department of Orthopedic Surgery, University Medical Centre Utrecht, Utrecht, The Netherlands
| | | | - Christiaan H W Heusdens
- Department of Orthopedics, University Hospital Antwerp, Edegem, Antwerp, Belgium
- Antwerp Surgical Training, Anatomy and Research Centre (ASTARC), Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
| | - Pieter J Emans
- Department of Orthopedics, Joint-Preserving Clinic, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | | | - Mylène P Jansen
- Department of Rheumatology & Clinical Immunology, University Medical Centre Utrecht, Utrecht, The Netherlands
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3
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Jansen MP, Mastbergen SC, MacKay JW, Turmezei TD, Lafeber F. Knee joint distraction results in MRI cartilage thickness increase up to 10 years after treatment. Rheumatology (Oxford) 2022; 61:974-982. [PMID: 34022055 PMCID: PMC8889280 DOI: 10.1093/rheumatology/keab456] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/12/2021] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVES Knee joint distraction (KJD) has been shown to result in long-term clinical improvement and short-term cartilage restoration in young OA patients. The objective of the current study was to evaluate MRI cartilage thickness up to 10 years after KJD treatment, using a 3D surface-based approach. METHODS Twenty end-stage knee OA patients were treated with KJD. MRI scans (1.5 T) were performed before and at 1, 2, 5, 7, and 10 years after treatment. Tibia and femur cartilage segmentation and registration to a canonical surface were performed semi-automatically. Statistical parametric mapping with linear mixed models was used to analyse whole-joint changes. The influence of baseline patient characteristics was analysed with statistical parametric mapping using linear regression. Relevant weight-bearing parts of the femur were selected to obtain the average cartilage thickness in the femur and tibia of the most- (MAC) and least-affected compartment. These compartmental changes over time were analysed using repeated measures ANOVA; missing data was imputed. In all cases, P <0.05 was considered statistically significant. RESULTS One and 2 years post-treatment, cartilage in the MAC weight-bearing region was significantly thicker than pre-treatment, gradually thinning after 5 years, but still increased at 10 years post-treatment. Long-term results showed that areas in the least-affected compartment were significantly thicker than pre-treatment. Male sex and more severe OA at baseline somewhat predicted shorter-term benefit (P >0.05). Compartmental analyses showed significant short- and long-term thickness increase in the tibia and femur MAC (all P <0.05). CONCLUSION KJD results in significant short- and long-term cartilage regeneration, up to 10 years post-treatment. TRIAL REGISTRATION Netherlands Trial Register, https://www.trialregister.nl, NL419.
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Affiliation(s)
- Mylène P Jansen
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Simon C Mastbergen
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - James W MacKay
- Norwich Medical School, University of East Anglia, Norwich
- Department of Radiology, University of Cambridge, Cambridge
| | - Tom D Turmezei
- Norwich Medical School, University of East Anglia, Norwich
- Department of Radiology, Norfolk & Norwich University Hospital, Norwich, UK
| | - Floris Lafeber
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
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4
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Jansen MP, Mastbergen SC. Joint distraction for osteoarthritis: clinical evidence and molecular mechanisms. Nat Rev Rheumatol 2022; 18:35-46. [PMID: 34616035 DOI: 10.1038/s41584-021-00695-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/06/2021] [Indexed: 12/20/2022]
Abstract
Joint distraction, the prolonged mechanical separation of the bones at a joint, has emerged as a joint-preserving treatment for end-stage osteoarthritis, with the gradually growing promise of implementation in regular clinical practice. Joint distraction of the knee has been most extensively studied, with these studies showing prolonged symptomatic improvement in combination with repair of cartilage tissue in degenerated knee joints, supporting the concept that cartilage repair can translate into real clinical benefit. The reversal of tissue degeneration observed with joint distraction could be the result of one or a combination of various proposed mechanisms, including partial unloading, synovial fluid pressure oscillation, mechanical and biochemical changes in subchondral bone, adhesion and chondrogenic commitment of joint-derived mesenchymal stem cells or a change in the molecular milieu of the joint. The overall picture that emerges from the combined evidence is relevant for future research and treatment-related improvements of joint distraction and for translation of the insights gained about tissue repair to other joint-preserving techniques. It remains to be elucidated whether optimizing the biomechanical conditions during joint distraction can actually cure osteoarthritis rather than only providing temporary symptomatic relief, but even temporary relief might be relevant for society and patients, as it will delay joint replacement with a prosthesis at an early age and thereby avert revision surgery later in life. Most importantly, improved insights into the underlying mechanisms of joint repair might provide new leads for more targeted treatment options.
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Affiliation(s)
- Mylène P Jansen
- Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Simon C Mastbergen
- Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands.
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5
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Clinical outcomes of knee joint distraction combined with marrow stimulation procedures for patients with advanced knee osteoarthritis. Knee 2021; 33:342-350. [PMID: 34749126 DOI: 10.1016/j.knee.2021.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 04/26/2021] [Accepted: 10/03/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Knee joint distraction (KJD) has received much attention as a joint preserving surgery, especially in young patients with advanced knee osteoarthritis (OA). METHODS This study included 16 patients with advanced knee OA who underwent KJD combined with marrow stimulating techniques and were followed up for more than 2 years. The patients' clinical scores, including the Japanese Orthopaedic Association (JOA) score, Knee Injury and Osteoarthritis Outcome Score (KOOS) subscales, ROM, joint space width, and semiquantitative MRI were evaluated. The factors affecting clinical outcomes were analyzed. RESULTS Postoperatively, the JOA score and the individual scores of the KOOS subscales improved significantly (JOA score: P = 0.0028, KOOS-symptoms: P = 0.0016, -pain: P = 0.0011, -ADL: P = 0.0009, -sports/recreation: P = 0.0144, and -QOL: P = 0.0034). Although the extension of the knee joint did not change throughout the follow-up period, flexion of the joint deteriorated at the time of device removal but recovered to the preoperative level at the final follow-up. Preoperative joint space width was 2.4 ± 2.0 mm and at the final follow-up, it increased to 3.3 ± 1.5 mm, showing statistically significant improvement (P = 0.034). The postoperative semiquantitative MRI score also improved significantly (from 6.0 ± 3.0 to 42.1 ± 28.7, P = 0.0001). A high BMI was associated with a poor clinical outcome. CONCLUSION Although the effect of marrow stimulating techniques for cartilage repair was not well clarified and the complication rate was high, the clinical and radiographic outcomes showed significant improvement after KJD combined with marrow stimulating techniques in patients with advanced knee OA. However, we should be careful about suggesting this procedure in obese patients.
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Jansen MP, Boymans TA, Custers RJ, Van Geenen RC, Van Heerwaarden RJ, Huizinga MR, Nellensteijn JM, Sollie R, Spruijt S, Mastbergen SC. Knee Joint Distraction as Treatment for Osteoarthritis Results in Clinical and Structural Benefit: A Systematic Review and Meta-Analysis of the Limited Number of Studies and Patients Available. Cartilage 2021; 13:1113S-1123S. [PMID: 32698704 PMCID: PMC8808886 DOI: 10.1177/1947603520942945] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
OBJECTIVE Knee joint distraction (KJD) is a joint-preserving osteoarthritis treatment that may postpone a total knee arthroplasty (TKA) in younger patients. This systematic review and meta-analysis evaluates short- and long-term clinical benefit and tissue structure changes after KJD. DESIGN MEDLINE, EMBASE, and Web of Science were searched for eligible clinical studies evaluating at least one of the primary parameters: WOMAC, VAS-pain, KOOS, EQ5D, radiographic joint space width or MRI cartilage thickness after KJD. Random effects models were applied on all outcome parameters and outcomes were compared with control groups found in the included studies. RESULTS Eleven articles reporting on 7 different KJD cohorts with in total 127 patients and 5 control groups with multiple follow-up moments were included, of which 2 were randomized controlled trials. Significant improvements in all primary parameters were found and benefit lasted up to at least 9 years. Overall, outcomes were comparable with control groups, including high tibial osteotomy, although TKA showed better clinical response. CONCLUSIONS Current, still limited, evidence shows KJD causes clear benefit in clinical and structural parameters, both short- and long-term. Longer follow-up with more patients is necessary, to validate outcome and to potentially improve patient selection for this intensive treatment. Thus far, for younger knee osteoarthritis patients, KJD may be an option to consider.
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Affiliation(s)
- Mylène P. Jansen
- Department of Rheumatology &
Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands,Mylène P. Jansen, Department of Rheumatology
& Clinical Immunology, University Medical Center Utrecht, Heidelberglaan 100
(G02.228), Utrecht, 3584CX, The Netherlands.
| | - Tim A.E.J. Boymans
- Department of Orthopaedic Surgery,
Maastricht UMC, Maastricht, Netherlands
| | - Roel J.H. Custers
- Department of Orthopaedic Surgery,
University Medical Center Utrecht, Utrecht, Netherlands
| | | | | | | | - Jorm M. Nellensteijn
- Department of Orthopaedic Surgery,
Medisch Spectrum Twente, Enschede, Netherlands
| | - Rob Sollie
- Department of Orthopaedic Surgery,
Annatommie mc, Amstelveen/Utrecht, Netherlands
| | - Sander Spruijt
- Department of Orthopaedic Surgery,
HagaZiekenhuis, The Hague, Netherlands
| | - Simon C. Mastbergen
- Department of Rheumatology &
Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands
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Besselink NJ, Vincken KL, Bartels LW, van Heerwaarden RJ, Concepcion AN, Marijnissen ACA, Spruijt S, Custers RJH, van der Woude JTAD, Wiegant K, Welsing PMJ, Mastbergen SC, Lafeber FPJG. Cartilage Quality (dGEMRIC Index) Following Knee Joint Distraction or High Tibial Osteotomy. Cartilage 2020; 11:19-31. [PMID: 29862834 PMCID: PMC6918034 DOI: 10.1177/1947603518777578] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
OBJECTIVE High tibial osteotomy (HTO) and knee joint distraction (KJD) are treatments to unload the osteoarthritic (OA) joint with proven success in postponing a total knee arthroplasty (TKA). While both treatments demonstrate joint repair, there is limited information about the quality of the regenerated tissue. Therefore, the change in quality of the repaired cartilaginous tissue after KJD and HTO was studied using delayed gadolinium-enhanced magnetic resonance imaging of cartilage (dGEMRIC). DESIGN Forty patients (20 KJD and 20 HTO), treated for medial tibiofemoral OA, were included in this study. Radiographic outcomes, clinical characteristics, and cartilage quality were evaluated at baseline, and at 1- and 2-year follow-up. RESULTS Two years after KJD treatment, clear clinical improvement was observed. Moreover, a statistically significant increased medial (Δ 0.99 mm), minimal (Δ 1.04 mm), and mean (Δ 0.68 mm) radiographic joint space width (JSW) was demonstrated. Likewise, medial (Δ 1.03 mm), minimal (Δ 0.72 mm), and mean (Δ 0.46 mm) JSW were statistically significantly increased on radiographs after HTO. There was on average no statistically significant change in dGEMRIC indices over two years and no difference between treatments. Yet there seemed to be a clinically relevant, positive relation between increase in cartilage quality and patients' experienced clinical benefit. CONCLUSIONS Treatment of knee OA by either HTO or KJD leads to clinical benefit, and an increase in cartilage thickness on weightbearing radiographs for over 2 years posttreatment. This cartilaginous tissue was on average not different from baseline, as determined by dGEMRIC, whereas changes in quality at the individual level correlated with clinical benefit.
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Affiliation(s)
- Nick J. Besselink
- Rheumatology & Clinical Immunology,
UMC Utrecht, Utrecht, The Netherlands
| | - Koen L. Vincken
- Image Sciences Institute, UMC Utrecht,
Utrecht, The Netherlands
| | | | | | - Arno N. Concepcion
- Rheumatology & Clinical Immunology,
UMC Utrecht, Utrecht, The Netherlands
| | | | | | - Roel J. H. Custers
- Department of Orthopaedic Surgery, UMC
Utrecht, Utrecht, The Netherlands
| | | | - Karen Wiegant
- Department of Orthopedics, Haaglanden
Medical Centre, Den Haag, Zuid-Holland, The Netherlands
| | - Paco M. J. Welsing
- Rheumatology & Clinical Immunology,
UMC Utrecht, Utrecht, The Netherlands
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van der Woude JTA, Wiegant K, van Roermund PM, Intema F, Custers RJ, Eckstein F, van Laar JM, Mastbergen SC, Lafeber FP. Five-Year Follow-up of Knee Joint Distraction: Clinical Benefit and Cartilaginous Tissue Repair in an Open Uncontrolled Prospective Study. Cartilage 2017; 8:263-271. [PMID: 28618871 PMCID: PMC5625862 DOI: 10.1177/1947603516665442] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Objective In end-stage knee osteoarthritis, total knee arthroplasty (TKA) may finally become inevitable. At a relatively young age, this comes with the risk of future revision surgery. Therefore, in these cases, joint preserving surgery such as knee joint distraction (KJD) is preferred. Here we present 5-year follow-up data of KJD. Design Patients ( n = 20; age <60 years) with conservative therapy resistant tibiofemoral osteoarthritis considered for TKA were treated. Clinical evaluation was performed by questionnaires. Change in cartilage thickness was quantified on radiographs and magnetic resonance images (MRI). The 5-year changes after KJD were evaluated and compared with the natural progression of osteoarthritis using Osteoarthritis Initiative data. Results Five-years posttreatment, patients still reported clinical improvement from baseline: ΔWOMAC (Western Ontario and McMaster Universities Arthritis Index) +21.1 points (95% CI +8.9 to +33.3; P = 0.002), ΔVAS (visual analogue scale score) pain -27.6 mm (95%CI -13.3 to -42.0; P < 0.001), and minimum radiographic joint space width (JSW) of the most affected compartment (MAC) remained increased as well: Δ +0.43 mm (95% CI +0.02 to +0.84; P = 0.040). Improvement of mean JSW (x-ray) and mean cartilage thickness (MRI) of the MAC, were not statistically different from baseline anymore (Δ +0.26 mm; P = 0.370, and Δ +0.23 mm; P = 0.177). Multivariable linear regression analysis indicated that KJD treatment was associated with significantly less progression in mean and min JSW (x-ray) and mean cartilage thickness (MRI) compared with natural progression (all Ps <0.001). Conclusions KJD treatment results in prolonged clinical benefit, potentially explained by an initial boost of cartilaginous tissue repair that provides a long-term tissue structure benefit as compared to natural progression. Level of evidence, II.
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Affiliation(s)
- Jan-Ton A.D. van der Woude
- Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, the Netherlands,Department of Orthopedics, Maartenskliniek Woerden, the Netherlands
| | - Karen Wiegant
- Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Peter M. van Roermund
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, the Netherlands,Department of Orthopedics, Medical Centre Amstelveen, Amstelveen, the Netherlands
| | - Femke Intema
- Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Roel J.H. Custers
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Felix Eckstein
- Institute of Anatomy, Paracelsus Medical University Salzburg & Nuremberg, Salzburg, Austria
| | - Jaap M. van Laar
- Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Simon C. Mastbergen
- Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Floris P.J.G. Lafeber
- Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, the Netherlands,Floris P.J.G. Lafeber, Rheumatology & Clinical Immunology, University Medical Center Utrecht, PO Box 85500, F02.127, 3508 GA Utrecht, the Netherlands.
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9
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van der Woude JAD, Wiegant K, van Heerwaarden RJ, Spruijt S, van Roermund PM, Custers RJH, Mastbergen SC, Lafeber FPJG. Knee joint distraction compared with high tibial osteotomy: a randomized controlled trial. Knee Surg Sports Traumatol Arthrosc 2017; 25:876-886. [PMID: 27106926 PMCID: PMC5332499 DOI: 10.1007/s00167-016-4131-0] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 04/05/2016] [Indexed: 12/27/2022]
Abstract
PURPOSE Both, knee joint distraction as a relatively new approach and valgus-producing opening-wedge high tibial osteotomy (HTO), are knee-preserving treatments for knee osteoarthritis (OA). The efficacy of knee joint distraction compared to HTO has not been reported. METHODS Sixty-nine patients with medial knee joint OA with a varus axis deviation of <10° were randomized to either knee joint distraction (n = 23) or HTO (n = 46). Questionnaires were assessed at baseline and 3, 6, and 12 months. Joint space width (JSW) as a surrogate measure for cartilage thickness was determined on standardized semi-flexed radiographs at baseline and 1-year follow-up. RESULTS All patient-reported outcome measures (PROMS) improved significantly over 1 year (at 1 year p < 0.02) in both groups. At 1 year, the HTO group showed slightly greater improvement in 4 of the 16 PROMS (p < 0.05). The minimum medial compartment JSW increased 0.8 ± 1.0 mm in the knee joint distraction group (p = 0.001) and 0.4 ± 0.5 mm in the HTO group (p < 0.001), with minimum JSW improvement in favour of knee joint distraction (p = 0.05). The lateral compartment showed a small increase in the knee joint distraction group and a small decrease in the HTO group, leading to a significant increase in mean JSW for knee joint distraction only (p < 0.02). CONCLUSION Cartilaginous repair activity, as indicated by JSW, and clinical outcome improvement occurred with both, knee joint distraction and HTO. These findings suggest that knee joint distraction may be an alternative therapy for medial compartmental OA with a limited mechanical leg malalignment. LEVEL OF EVIDENCE Randomized controlled trial, Level I.
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Affiliation(s)
- J. A. D. van der Woude
- Limb and Knee Reconstruction Unit, Department of Orthopedic Surgery, Maartenskliniek Woerden, Woerden, The Netherlands ,0000000090126352grid.7692.aRheumatology and Clinical Immunology, University Medical Center Utrecht, F02.217, PO Box 85500, 3508 GA Utrecht, The Netherlands
| | - K. Wiegant
- 0000000090126352grid.7692.aRheumatology and Clinical Immunology, University Medical Center Utrecht, F02.217, PO Box 85500, 3508 GA Utrecht, The Netherlands
| | - R. J. van Heerwaarden
- Limb and Knee Reconstruction Unit, Department of Orthopedic Surgery, Maartenskliniek Woerden, Woerden, The Netherlands
| | - S. Spruijt
- Limb and Knee Reconstruction Unit, Department of Orthopedic Surgery, Maartenskliniek Woerden, Woerden, The Netherlands
| | - P. M. van Roermund
- 0000000090126352grid.7692.aDepartment of Orthopedics, UMC Utrecht, Utrecht, The Netherlands
| | - R. J. H. Custers
- 0000000090126352grid.7692.aDepartment of Orthopedics, UMC Utrecht, Utrecht, The Netherlands
| | - S. C. Mastbergen
- 0000000090126352grid.7692.aRheumatology and Clinical Immunology, University Medical Center Utrecht, F02.217, PO Box 85500, 3508 GA Utrecht, The Netherlands
| | - F. P. J. G. Lafeber
- 0000000090126352grid.7692.aRheumatology and Clinical Immunology, University Medical Center Utrecht, F02.217, PO Box 85500, 3508 GA Utrecht, The Netherlands
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10
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van der Woude JAD, van Heerwaarden RJ, Spruijt S, Eckstein F, Maschek S, van Roermund PM, Custers RJH, van Spil WE, Mastbergen SC, Lafeber FPJG. Six weeks of continuous joint distraction appears sufficient for clinical benefit and cartilaginous tissue repair in the treatment of knee osteoarthritis. Knee 2016; 23:785-91. [PMID: 27238622 DOI: 10.1016/j.knee.2016.05.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 04/16/2016] [Accepted: 05/03/2016] [Indexed: 02/02/2023]
Abstract
BACKGROUND Knee joint distraction (KJD) is a surgical joint-preserving treatment in which the knee joint is temporarily distracted by an external frame. It is associated with joint tissue repair and clinical improvement. Initially, patients were submitted to an eight-week distraction period, and currently patients are submitted to a six-week distraction period. This study evaluates whether a shorter distraction period influences the outcome. METHODS Both groups consisted of 20 patients. Clinical outcome was assessed by WOMAC questionnaires and VAS-pain. Cartilaginous tissue repair was assessed by radiographic joint space width (JSW) and MRI-observed cartilage thickness. RESULTS Baseline data between both groups were comparable. Both groups showed an increase in total WOMAC score; 24±4 in the six-week group and 32±5 in the eight-week group (both p<0.001). Mean JSW increased 0.9±0.3mm in the six-week group and 1.1±0.3mm in the eight-week group (p=0.729 between groups). The increase in mean cartilage thickness on MRI was 0.6±0.2mm in the eight-week group and 0.4±0.1mm in the six-week group (p=0.277). CONCLUSIONS A shorter distraction period does not influence short-term clinical and structural outcomes statistically significantly, although effect sizes tend to be smaller in six week KJD as compared to eight week KJD.
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Affiliation(s)
- J A D van der Woude
- Limb Deformity and Knee Reconstruction Unit, Dept of Orthopedic Surgery, Maartenskliniek Woerden, The Netherlands; Rheumatology & Clinical Immunology, UMC Utrecht, The Netherlands.
| | - R J van Heerwaarden
- Limb Deformity and Knee Reconstruction Unit, Dept of Orthopedic Surgery, Maartenskliniek Woerden, The Netherlands.
| | - S Spruijt
- Limb Deformity and Knee Reconstruction Unit, Dept of Orthopedic Surgery, Maartenskliniek Woerden, The Netherlands.
| | - F Eckstein
- Institute of Anatomy, Paracelsus Medical University Salzburg & Nuremberg, Salzburg, Austria; Chondrometrics Gmbh, Ainring, Germany.
| | - S Maschek
- Institute of Anatomy, Paracelsus Medical University Salzburg & Nuremberg, Salzburg, Austria; Chondrometrics Gmbh, Ainring, Germany.
| | | | | | - W E van Spil
- Rheumatology & Clinical Immunology, UMC Utrecht, The Netherlands.
| | - S C Mastbergen
- Rheumatology & Clinical Immunology, UMC Utrecht, The Netherlands.
| | - F P J G Lafeber
- Rheumatology & Clinical Immunology, UMC Utrecht, The Netherlands.
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van der Woude JAD, Welsing PM, van Roermund PM, Custers RJH, Kuchuk NO, Lafeber FPJGG. Prediction of cartilaginous tissue repair after knee joint distraction. Knee 2016; 23:792-5. [PMID: 27543178 DOI: 10.1016/j.knee.2016.02.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 01/24/2016] [Accepted: 02/22/2016] [Indexed: 02/02/2023]
Abstract
BACKGROUND For young patients (<65years), knee joint distraction (KJD) may be a joint-saving treatment option for end-stage knee osteoarthritis. Distracting the femur from the tibia by five millimeters for six to eight weeks using an external fixation frame results in cartilaginous tissue repair, in addition to clinical benefits. This study is a first attempt to predict the degree of cartilaginous tissue repair after KJD. METHODS Fifty-seven consecutive patients received KJD. At baseline and at one year of follow-up, mean and minimum joint space width (JSW) of the most-affected compartment was determined on standardized radiographs. To evaluate the predictive ability of baseline characteristics for JSW at one year of follow-up, multivariable linear regression analysis was performed. RESULTS Mean JSW±SD of the most affected compartment increased by 0.95±1.23mm to 3.08±1.43mm at one year (P<0.001). The minimum JSW increased by 0.94±1.03mm to 1.63±1.21mm at one year of follow-up (P<0.001). For a larger mean JSW one year after KJD, only Kellgren & Lawrence grade (KLG) at baseline was predictive (Regression coefficient (β)=0.47, 95% CI=0.18 to 0.77, P=0.002). For a larger minimum JSW, KLG (β=0.46, 95% CI=0.19 to 0.73, P=0.001) and male gender (β=0.52, 95% CI=0.06 to 0.99, P=0.028) were statistically predictive. Eight weeks of distraction time neared significance (β=0.44, 95% CI=-0.05 to 0.93, P=0.080). CONCLUSIONS In our cohort of patients treated with KJD, males with higher KLG had the best chance of cartilaginous tissue repair by distraction.
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Affiliation(s)
- J A D van der Woude
- Department of Rheumatology & Clinical Immunology, UMC Utrecht, The Netherlands; Department of Orthopedics, Maartenskliniek Woerden, The Netherlands
| | - P M Welsing
- Department of Rheumatology & Clinical Immunology, UMC Utrecht, The Netherlands
| | - P M van Roermund
- Department of Orthopedics, UMC Utrecht, The Netherlands; Department of Orthopedics, Medical Centre Amstelveen, The Netherlands
| | - R J H Custers
- Department of Orthopedics, UMC Utrecht, The Netherlands
| | - N O Kuchuk
- Department of Rheumatology & Clinical Immunology, UMC Utrecht, The Netherlands
| | - F P J G G Lafeber
- Department of Rheumatology & Clinical Immunology, UMC Utrecht, The Netherlands.
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12
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Chen Y, Sun Y, Pan X, Ho K, Li G. Joint distraction attenuates osteoarthritis by reducing secondary inflammation, cartilage degeneration and subchondral bone aberrant change. Osteoarthritis Cartilage 2015; 23:1728-35. [PMID: 26028135 DOI: 10.1016/j.joca.2015.05.018] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2015] [Revised: 05/15/2015] [Accepted: 05/21/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Osteoarthritis (OA) is a progressive joint disorder. To date, there is not effective medical therapy. Joint distraction has given us hope for slowing down the OA progression. In this study, we investigated the benefits of joint distraction in OA rat model and the probable underlying mechanisms. METHODS OA was induced in the right knee joint of rats through anterior cruciate ligament transaction (ACLT) plus medial meniscus resection. The animals were randomized into three groups: two groups were treated with an external fixator for a subsequent 3 weeks, one with and one without joint distraction; and one group without external fixator as OA control. Serum interleukin-1β level was evaluated by ELISA; cartilage quality was assessed by histology examinations (gross appearance, Safranin-O/Fast green stain) and immunohistochemistry examinations (MMP13, Col X); subchondral bone aberrant changes was analyzed by micro-CT and immunohistochemistry (Nestin, Osterix) examinations. RESULTS Characters of OA were present in the OA group, contrary to in general less severe damage after distraction treatment: firstly, IL-1β level was significantly decreased; secondly, cartilage degeneration was attenuated with lower histologic damage scores and the lower percentage of MMP13 or Col X positive chondrocytes; finally, subchondral bone abnormal change was attenuated, with reduced bone mineral density (BMD) and bone volume/total tissue volume (BV/TV) and the number of Nestin or Osterix positive cells in the subchondral bone. CONCLUSION In the present study, we demonstrated that joint distraction reduced the level of secondary inflammation, cartilage degeneration and subchondral bone aberrant change, joint distraction may be a strategy for slowing OA progression.
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Affiliation(s)
- Y Chen
- Department of Orthopaedics & Traumatology, Li Ka Shing Institute of Health Sciences and Lui Che Woo Institute of Innovative Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, PR China; The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, PR China
| | - Y Sun
- Department of Orthopaedics & Traumatology, Li Ka Shing Institute of Health Sciences and Lui Che Woo Institute of Innovative Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, PR China; The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, PR China
| | - X Pan
- Department of Orthopaedics and Traumatology, Bao-An District People's Hospital, Shenzhen, PR China
| | - K Ho
- Department of Orthopaedics & Traumatology, Li Ka Shing Institute of Health Sciences and Lui Che Woo Institute of Innovative Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, PR China; The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, PR China.
| | - G Li
- Department of Orthopaedics & Traumatology, Li Ka Shing Institute of Health Sciences and Lui Che Woo Institute of Innovative Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, PR China; The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, PR China; Key Laboratory for Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, PR China.
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