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Dubin JA, Hameed D, Bains SS, Monárrez R, Swartz GN, DeRogatis M, Mont MA, Nace J, Delanois RE. A Comparison Between Polyethylene Exchange and Full Revision for Arthrofibrosis Following Total Knee Arthroplasty. J Arthroplasty 2024:S0883-5403(24)00320-6. [PMID: 38604277 DOI: 10.1016/j.arth.2024.04.008] [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: 11/02/2023] [Revised: 04/02/2024] [Accepted: 04/03/2024] [Indexed: 04/13/2024] Open
Abstract
BACKGROUND Arthrofibrosis is a debilitating postoperative complication and a major cause of patient dissatisfaction following total knee arthroplasty (TKA). There is no consensus regarding the optimal treatment for stiffness after TKA. For cases not amenable to manipulation under anesthesia (MUA), one component or full revision are both suitable options. In a value-based healthcare era, maximizing cost-effectiveness with optimized clinical outcomes for patients remains the ultimate goal. As such, we compared (1) Knee Injury and Osteoarthritis Outcome Scores for Joint Replacement (KOOS, JR), (2) range of motion (ROM), as well as (3) complication rates, including MUA and lysis of adhesions (LOA), between polyethylene exchange and full component revision for TKA arthrofibrosis. METHODS Patients were queried from an institutional database who underwent revision TKA for arthrofibrosis between January 1, 2015, and April 31, 2021. There were 33 patients who underwent full revision and 16 patients who underwent polyethylene exchange. Demographics and baseline characteristics between the cohorts were analyzed. Postoperative outcomes included MUA, LOA, and re-revision rates as well as KOOS, JR, and extension and flexion ROM at a mean follow-up of 3.8 years. Baseline comorbidities, including age, body mass index, alcohol use, tobacco use, and diabetes, were comparable between the full revision and polyethylene exchange revision cohorts (P > .05). The one and full component revisions had similar preoperative KOOS, JR (43 versus 42, P = .85), and flexion (81 versus 82 degrees, P = .80) versus extension (11 versus 11 degrees, P = .87) ROM. RESULTS The full component revision had higher KOOS, JR (65 versus 55, P = .04), and flexion (102 versus 92 degrees, P = .02), but similar extension (3 versus 3 degrees, P = .80) ROM at final follow-up compared to the polyethylene exchange revision, respectively. The MUA (18.2 versus 18.8%, P = .96) and LOA (2.0 versus 0.0%, P = .32) rates were similar between full component and polyethylene exchange revisions. There was one re-revision (3.0%) for the cohort of patients who initially underwent full revision. There were four full re-revisions (25.0%) and two polyethylene exchange re-revisions (12.5%) performed in the cohort of patients who initially underwent a polyethylene exchange revision. CONCLUSIONS The full component revision for stiffness after TKA showed favorable KOOS, JR, ROM, and outcomes in comparison to the polyethylene exchange revision. While the optimal treatment for stiffness after TKA is without consensus, this study supports the use of the full component revision when applied to the institutional population at hand. It is imperative that homogeneity exists in preoperative definitions, preoperative baseline patient demographics, ROM and function levels, outcome measures, and preoperative indications, as well as the inclusion of clinical data that assesses complete exchange, single exchange, and tibial insert exchange.
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Affiliation(s)
- Jeremy A Dubin
- Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Daniel Hameed
- Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Sandeep S Bains
- Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Rubén Monárrez
- Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Gabrielle N Swartz
- Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Michael DeRogatis
- Department of Orthopaedics, St. Luke's University Health Network, Bethlehem, Pennsylvania
| | - Michael A Mont
- Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
| | - James Nace
- Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Ronald E Delanois
- Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
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Chen Z, Bains SS, Dubin JA, Hameed D, Sax OC, Moore MC, Patel S, Nace J, Delanois RE. Polyethylene exchange versus full component revision for arthrofibrosis following total knee arthroplasty: A retrospective cohort analysis. J Orthop 2023; 45:67-71. [PMID: 37860178 PMCID: PMC10582687 DOI: 10.1016/j.jor.2023.10.002] [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: 08/25/2023] [Revised: 10/01/2023] [Accepted: 10/04/2023] [Indexed: 10/21/2023] Open
Abstract
Introduction Arthrofibrosis occurs in up to 10% of patients who undergo total knee arthroplasty (TKA). For cases that are not amenable to manipulation under anesthesia (MUA), there is little consensus on how many components should be revised. We compared outcomes of polyethylene exchanges, when doing lysis of adhesions (LOA) versus full component revision. Specifically, we assessed: (1) re-operation rates at one and two years; (2) rates of surgical complications at one year; and (3) associated risk factors for requiring a LOA. Methods A database queried all patients who underwent revision TKA for arthrofibrosis. A total of 2410 patients were identified, 1120 (46.5%) of which underwent all-component knee revision, while the remaining 1290 (53.5%) underwent polyethylene spacer revision. Multivariate logistic regressions assessed re-operation rates and risk factors for requiring LOA. Results The incidence and odds of re-operation within one year following polyethylene exchange was not significantly different than full component revision (10.9 versus 12.9%, odds ratio (OR) 0.83, 95% confidence interval (CI) [0.64-1.06], p = 0.145). However, the adjusted models for re-operation within one- and two-years following LOA in the form of polyethylene exchange revision was significantly higher than the full component revision cohort (OR 1.52 CI [1.07-2.17], p = 0.022 and OR 1.44 CI [1.06-1.97] p = 0.022). Risk factors associated with the need for lysis of adhesions included age less than 60 years, depression, fibromyalgia, and anxiety. Conclusions Full component revision TKA for arthrofibrosis was associated with lower two-year re-operation rate than polyethylene exchange. Risk factors for LOA include younger age and fibromyalgia.
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Affiliation(s)
- Zhongming Chen
- Rubin Institute for Advanced Orthopedics, 14 Sinai Hospital of Baltimore 15 2401 West Belvedere Avenue, 16, Baltimore, MD, 21215, USA
| | - Sandeep S. Bains
- Rubin Institute for Advanced Orthopedics, 14 Sinai Hospital of Baltimore 15 2401 West Belvedere Avenue, 16, Baltimore, MD, 21215, USA
| | - Jeremy A. Dubin
- Rubin Institute for Advanced Orthopedics, 14 Sinai Hospital of Baltimore 15 2401 West Belvedere Avenue, 16, Baltimore, MD, 21215, USA
| | - Daniel Hameed
- Rubin Institute for Advanced Orthopedics, 14 Sinai Hospital of Baltimore 15 2401 West Belvedere Avenue, 16, Baltimore, MD, 21215, USA
| | - Oliver C. Sax
- Rubin Institute for Advanced Orthopedics, 14 Sinai Hospital of Baltimore 15 2401 West Belvedere Avenue, 16, Baltimore, MD, 21215, USA
| | - Mallory C. Moore
- Rubin Institute for Advanced Orthopedics, 14 Sinai Hospital of Baltimore 15 2401 West Belvedere Avenue, 16, Baltimore, MD, 21215, USA
| | - Saarang Patel
- Rubin Institute for Advanced Orthopedics, 14 Sinai Hospital of Baltimore 15 2401 West Belvedere Avenue, 16, Baltimore, MD, 21215, USA
| | - James Nace
- Rubin Institute for Advanced Orthopedics, 14 Sinai Hospital of Baltimore 15 2401 West Belvedere Avenue, 16, Baltimore, MD, 21215, USA
| | - Ronald E. Delanois
- Rubin Institute for Advanced Orthopedics, 14 Sinai Hospital of Baltimore 15 2401 West Belvedere Avenue, 16, Baltimore, MD, 21215, USA
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Malahias MA, Bauer TW, Manolopoulos PP, Sculco PK, Westrich GH. Allergy Testing Has No Correlation with Intraoperative Histopathology from Revision Total Knee Arthroplasty for Implant-Related Metal Allergy. J Knee Surg 2023; 36:6-17. [PMID: 33932947 DOI: 10.1055/s-0041-1729618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Lymphocyte transformation testing (LTT) is often used in the workup for possible metal allergy after total knee arthroplasty (TKA) but the correlation of this test with other diagnostic metal-allergy findings in patients undergoing revision TKA for suspected metal allergy has not been established. A single-center, single-surgeon cohort of 19 TKAs in which both components were revised for presumed implant-related metal allergy based on history, physical, and LTT testing, to nonnickel-containing implants were retrospectively identified. Histopathologic samples obtained intraoperatively were semiquantitatively analyzed using both the Hospital for Special Surgery (HSS) synovial pathology score and the Campbell aseptic lymphocyte-dominant vasculitis-associated lesion (ALVAL) score. As histopathology control group, we included in the study an additional cohort of 17 patients who received aseptic revision TKA and had no history of reported or tested metal sensitivity. All preoperative LTT results were highly reactive to nickel. However, this did not correlate with local periarticular tissue response in 18 of 19 cases which demonstrated a low HSS synovial score (mean: 3.8 ± 2.8, of a maximum score of 28) and the low Campbell ALVAL scores (mean: 2.5/10 ± 1.3, of a maximum score of 10). There were not any significant differences between the study group (suspected implant-related metal allergy) and the control group (nonsuspected implant-related metal allergy) in regard to (1) the Campbell score and (2) the HSS synovial inflammatory score. Knee Society Clinical Rating System (KSCRS) function score improved significantly after revision (mean postoperative increase: 34.0 ± 17. 2; p < 0.001), as well as mean visual analog scale (VAS) pain (mean postoperative decrease: 33.3 ± 26.4; p < 0.01) score. The short-term survival rate (at mean follow-up of 26.1 months) of this patient cohort was 100%. In this cohort of revised TKA patients with suspected nickel allergy based on clinical presentation and LTT positive results, intraoperative histopathology was essentially normal. However, all patients with suspected nickel allergy showed a significant clinical and functional improvement with excellent short-term survival rates. The clinical significance of a positive LTT needs further study.
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Affiliation(s)
- Michael-Alexander Malahias
- Stavros Niarchos Foundation Complex Joint Reconstruction Center, Hospital for Special Surgery, New York, New York
| | - Thomas W Bauer
- Department of Pathology and Laboratory Medicine, Hospital for Special Surgery, New York, New York
| | - Philip P Manolopoulos
- Stavros Niarchos Foundation Complex Joint Reconstruction Center, Hospital for Special Surgery, New York, New York
| | - Peter K Sculco
- Stavros Niarchos Foundation Complex Joint Reconstruction Center, Hospital for Special Surgery, New York, New York
| | - Geoffrey H Westrich
- Stavros Niarchos Foundation Complex Joint Reconstruction Center, Hospital for Special Surgery, New York, New York
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Impact of Component Alignment and Soft Tissue Release on 2-Year Outcomes in Total Knee Arthroplasty. J Arthroplasty 2022; 37:2035-2040.e5. [PMID: 35533822 DOI: 10.1016/j.arth.2022.04.042] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 04/18/2022] [Accepted: 04/26/2022] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The objective of this study was to investigate the impact of alignment and soft tissue release on patient outcomes following total knee arthroplasty (TKA). METHODS In a multicenter study, soft tissue releases during TKA were prospectively documented in 330 robotic-assisted TKAs. Knee Injury and Osteoarthritis Outcome Scores (KOOS) were captured postoperatively. Delphi analysis was used to determine inlier and outlier component alignment boundaries: Tibia Coronal (TC): ±3°, Femur Coronal (FC): ±3°, Femoral Axial (FA): 3°Int-6°Ext, Hip-Knee-Ankle (HKA): 3°Val-4°Var, and Tibiofemoral Axial (TFA): 3°Int-6°Ext. Kruskal-Wallis analysis of variance tests were used to compare groups. RESULTS No significant differences were found between any individual or grouped inlier and outlier alignment criterion and KOOS at any timepoint. Outlier alignment frequencies were: TC: 0%, FC: 12%, FA: 8%, HKA: 9%, TFA: 8%, and Any: 23%. Soft tissue releases were performed in 18% of cases. Knees with soft tissue releases reported significantly worse KOOS scores at: 6M: Symptoms (80.0 versus 75.3, P = .03), activities of daily living (ADL) (86.2 versus 80.8, P = .030), quality of life (70.1 versus 60.9, P = .008), 12M ADL (90.0 versus 85.1, P = .023), and 24M ADL (91.9 versus 87.2, P = .016). A higher proportion of patients achieved Minimal Clinically Important Difference for pain at 6 months for those having no releases versus released (92.3% versus 81.0%, P = .021). No significant associations were found between preoperative deformity and preoperative or postoperative KOOS. CONCLUSION The addition of soft tissue releases after bony cuts is associated with worse KOOS scores out to 2 years and was more prevalent in knees with worse deformity, while no such association was found for alignment.
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Treatment of arthrofibrosis and stiffness after total knee arthroplasty: an updated review of the literature. INTERNATIONAL ORTHOPAEDICS 2022; 46:1253-1279. [PMID: 35301559 DOI: 10.1007/s00264-022-05344-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 02/08/2022] [Indexed: 10/18/2022]
Abstract
PURPOSE There is currently no consensus regarding the optimal treatment for stiffness following total knee arthroplasty (TKA). With the increased utilization of value-based models, it is important to determine the most effective treatments that will reduce the need for further intervention and additional expenditure. A systematic review was performed to compare the outcomes of manipulation under anaesthesia (MUA), arthroscopic lysis of adhesions (aLOA), and revision TKA (rTKA) for arthrofibrosis and stiffness following TKA. METHODS PubMed and MEDLINE databases were reviewed for articles published through October 2020. Studies were included if they reported patient-reported outcome measures (PROMs) following MUA, aLOA, or rTKA. The primary endpoint was PROMs, while secondary outcomes included range of motion and the percentage of patients who pursued further treatment for stiffness. RESULTS A total of 40 studies were included: 21 on rTKA, 7 on aLOA, and 14 on MUA. The mean or median post-operative arc ROM was > 90° in 6/20 (30%) rTKA, 5/7 (71%) aLOA, and 7/10 (70%) MUA studies. Post-operative Knee Society (KSS) clinical and functional scores were the greatest in patients who underwent MUA and aLOA. As many as 43% of rTKA patients required further care compared to 25% of aLOA and 17% of MUA patients. CONCLUSION Stiffness following TKA remains a challenging condition to treat. Nonetheless, current evidence suggests that patients who undergo rTKA have poorer clinical outcomes and a greater need for further treatment compared to patients who undergo MUA or aLOA.
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Trousdale WH, Limberg AK, Reina N, Salib CG, Thaler R, Dudakovic A, Berry DJ, Morrey ME, Sanchez-Sotelo J, van Wijnen A, Abdel MP. Intra-articular celecoxib improves knee extension regardless of surgical release in a rabbit model of arthrofibrosis. Bone Joint Res 2022; 11:32-39. [PMID: 35084209 PMCID: PMC8801169 DOI: 10.1302/2046-3758.111.bjr-2021-0546.r1] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Aims Outcomes of current operative treatments for arthrofibrosis after total knee arthroplasty (TKA) are not consistently positive or predictable. Pharmacological in vivo studies have focused mostly on prevention of arthrofibrosis. This study used a rabbit model to evaluate intra-articular (IA) effects of celecoxib in treating contracted knees alone, or in combination with capsular release. Methods A total of 24 rabbits underwent contracture-forming surgery with knee immobilization followed by remobilization surgery at eight weeks. At remobilization, one cohort underwent capsular release (n = 12), while the other cohort did not (n = 12). Both groups were divided into two subcohorts (n = 6 each) – one receiving IA injections of celecoxib, and the other receiving injections of vehicle solution (injections every day for two weeks after remobilization). Passive extension angle (PEA) was assessed in live rabbits at 10, 16, and 24 weeks, and disarticulated limbs were analyzed for capsular stiffness at 24 weeks. Results IA celecoxib resulted in greater mean PEA at ten weeks (69.6° (SD 4.6) vs 45.2° (SD 9.6), p = 0.004), 16 weeks (109.8° (SD 24.2) vs 60.9° (SD10.9), p = 0.004), and 24 weeks (101.0° (SD 8.0) vs 66.3° (SD 5.8), p = 0.004). Capsular stiffness was significantly reduced with IA celecoxib (2.72 Newton per cm (N·cm)/° (SD 1.04), p = 0.008), capsular release (2.41 N·cm/° (SD 0.80), p = 0.008), and capsular release combined with IA celecoxib (3.56 N·cm/° (SD 0.99), p = 0.018) relative to IA vehicle (6.09 N·cm/° (SD 1.64)). Conclusion IA injections of a celecoxib led to significant improvements in passive extension angles, with reduced capsular stiffness, when administered to rabbit knees with established experimental contracture. Celecoxib was superior to surgical release, and the combination of celecoxib and a surgical release did not provide any additional value. Cite this article: Bone Joint Res 2022;11(1):32–39.
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Affiliation(s)
| | - Afton K Limberg
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Nicolas Reina
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Roman Thaler
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Amel Dudakovic
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.,Department of Biochemistry & Molecular Biology, Mayo Clinic, Rochester, Minnesota, USA
| | - Daniel J Berry
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Mark E Morrey
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Andre van Wijnen
- Department of Biochemistry, University of Vermont, Burlington, Vermont, USA
| | - Matthew P Abdel
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
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Lygrisse KA, Roof MA, Sharan M, Teo G, Long WJ, Schwarzkopf R. Factors Affecting Range of Motion After Revision Total Knee Arthroplasty. J Arthroplasty 2021; 36:3259-3263. [PMID: 33985851 DOI: 10.1016/j.arth.2021.04.016] [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: 03/03/2021] [Revised: 04/12/2021] [Accepted: 04/16/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Range of motion (ROM) after revision total knee arthroplasty (RTKA) is an important clinical outcome, as decreased ROM can lead to patient dissatisfaction and diminished mobility. This study sought to determine the effect of type of revision, implant constraint level, and reason for revision has on RTKA ROM. METHODS A retrospective review of 832 RTKA cases from 2011 to 2019 was conducted at a single, urban academic institution. Patients who underwent aseptic RTKA and had preoperative and 1-year postoperative ROM in their chart were included. The ΔROM was calculated by subtracting the preoperative ROM from the 1-year postoperative ROM. ROM was compared between tibial polyethylene liner-only revisions (liner) and all other revision types (component) and based on reason for revision. Subanalysis was performed within the liner and component revision cohorts to determine the effect of reason for revision and implant constraint level on ROM. RESULTS In total, 290 patients qualified. Forty-two patients had liner revisions (14.5%) and 248 had component revisions (85.5%). The ΔROM for component revision cases was significantly higher than liner exchange only (10° ± 24° vs.1° ± 19°; P = .03). ΔROM was not significant when comparing the level of implant constraint nor was it when separating and comparing by type of revision. Component revisions due to instability were found to significantly decrease ΔROM. CONCLUSION Component revision cases have significantly improved ΔROM when compared with liner-only revision. Constraint level is not significantly associated with changes in ROM in either liner or component revisions. Component revisions due to instability significantly reduce ΔROM.
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Affiliation(s)
| | - Mackenzie A Roof
- Department of Orthopedic Surgery, NYU Langone Health, New York, NY
| | - Mohamad Sharan
- Department of Orthopedic Surgery, NYU Langone Health, New York, NY
| | - Greg Teo
- Department of Orthopedic Surgery, NYU Langone Health, New York, NY
| | - William J Long
- Department of Orthopedic Surgery, NYU Langone Health, New York, NY
| | - Ran Schwarzkopf
- Department of Orthopedic Surgery, NYU Langone Health, New York, NY
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Laubach M, Hellmann JT, Dirrichs T, Gatz M, Quack V, Tingart M, Betsch M. Anterior knee pain after total knee arthroplasty: A multifactorial analysis. J Orthop Surg (Hong Kong) 2021; 28:2309499020918947. [PMID: 32338135 DOI: 10.1177/2309499020918947] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
PURPOSE Dissatisfaction and an impaired quality of life after total knee arthroplasty (TKA) is often associated with postsurgical anterior knee pain (AKP). The underlying pathological mechanisms are not yet fully understood. Therefore, a multifactorial approach encompassing clinical and radiological parameters seemed reasonable and promising to investigate postsurgical AKP. METHODS In this cross-sectional study, 25 patients without and 25 patients with postsurgical AKP after unilateral TKA were randomly recruited from a larger cohort of patients. Multiple clinical and radiological parameters-including real-time shear wave elastography (SWE) to measure the patellar and quadriceps tendon elasticity-were acquired and subsequently associated with AKP. For statistical analysis, SPSS (IBM, version 25) was used. RESULTS In total 50 participants (58.0% men, mean age 63.42 years, mean body mass index 29.75 kg/m2), having different prosthetic designs implanted, were included. Independently of key covariates, the strength of the quadriceps muscle (p = 0.021), a thinner inlay (p = 0.041), and a lower position of the patella (p = 0.041) were associated with AKP. Although no correlation with AKP was found (p = 0.346, resp. p = 0.154), we observed significantly decreased Young's modulus of the patellar and quadriceps tendons for the involved knee compared to the uninvolved knee (p < 0.001). CONCLUSION In conclusion, quadriceps muscle strength, inlay thickness, and the patella position might be of particular relevance in avoiding postsurgical AKP. Future studies with larger sample sizes are needed to clarify the impact of quadriceps muscle strength and the postoperative patella position as well as the role of SWE as a personalized modifiable prediction marker.
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Affiliation(s)
- Markus Laubach
- Department of Orthopaedics, RWTH Aachen University Hospital, Aachen, Germany
| | - Julian Tr Hellmann
- Department of Orthopaedics, RWTH Aachen University Hospital, Aachen, Germany
| | - Timm Dirrichs
- Department of Diagnostic and Interventional Radiology, RWTH Aachen University Hospital, Aachen, Germany
| | - Matthias Gatz
- Department of Orthopaedics, RWTH Aachen University Hospital, Aachen, Germany
| | - Valentin Quack
- Department of Orthopaedics, RWTH Aachen University Hospital, Aachen, Germany
| | - Markus Tingart
- Department of Orthopaedics, RWTH Aachen University Hospital, Aachen, Germany
| | - Marcel Betsch
- Department of Orthopaedics, RWTH Aachen University Hospital, Aachen, Germany
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Zhai K, Ma W, Huang T. Hot spots and trends in knee revision research since the 21st century: a bibliometric analysis. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:388. [PMID: 33842609 PMCID: PMC8033385 DOI: 10.21037/atm-20-3969] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Background With the popularization of knee replacement surgery in the treatment of the advanced lesions of knee joint, the amount of knee revision surgery is increasing unceasingly. Meanwhile, the continuous introduction of new clinical concepts and new technology poses a challenge to researchers and surgeons. Our study aims to inform the future scientific research and clinical treatment, by investigating the hot spots and trends of the knee revision research field with the method of bibliometric analysis. Methods Publications on knee revision included in the database of Web of Science Core Collection (WoSCC) between 2000 and 2018 were reviewed and MeSH terms of them were extracted from PubMed. Online bibliometric analysis website (http://bibliometric.com/), two pieces of software called “CiteSpace” and “Bibliographic Item Co-Occurrence Matrix Builder” (BICOMB) were used to analyze the publications reviewed at quantitative level. Another piece of software called “gCLUTO”, was used to investigate the hot spots with visualization techniques at qualitative level. Results A total of 906 publications were retrieved between 2000 and 2018. There is an increasing number of publications, from 15 in 2000 to 86 in 2018. Journal of Arthroplasty is the leading journal which has the most publications on knee revision. The United States has been the biggest contributor. Mayo Clinic became the leader among the institutions which have conducted correlational researches. David G. Lewallen, Robert L. Barrack and Michael A. Mont should be regarded as the scholars who have made outstanding contribution. Hot spots were summed up in six clusters, respectively, the solutions for infection, prostheses, the adverse effects, the surgical techniques, epidemiological characters, and the pathophysiology of the revision knee. Conclusions We found a growing trend in knee revision research and extracted the most contributive researchers, institutions, countries, journals, and most-cited articles worldwide. The solutions for complications, surgical applications and analysis for epidemiological characters have been the hot spots. Multi-disciplinary integration is becoming the time-trend of hot spots. Minimally invasive and navigation are directions of revision surgery. They together constitute a solid foundation and set up a fingerpost for the future scientific research and clinical treatment.
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Affiliation(s)
- Kelei Zhai
- Department of Orthopedics, the First Affiliated Hospital of China Medical University, Shenyang, China
| | - Weifeng Ma
- Department of Orthopedics, the First Affiliated Hospital of China Medical University, Shenyang, China
| | - Tao Huang
- Department of Orthopedics, the First Affiliated Hospital of China Medical University, Shenyang, China
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Wang CX, Flick TR, Patel AH, Sanchez F, Sherman WF. Patients with Dupuytren's Contracture, Ledderhose Disease, and Peyronie's Disease are at higher risk of arthrofibrosis following total knee arthroplasty. Knee 2021; 29:190-200. [PMID: 33640618 DOI: 10.1016/j.knee.2021.02.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 11/05/2020] [Accepted: 02/05/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Total knee arthroplasty (TKA) is a successful treatment for patients with late stage osteoarthritis, yet arthrofibrosis remains a consistent cause of TKA failure. Dupuytren's, Ledderhose and Peyronie's Diseases are related conditions of increased fibroblast proliferation. The aim of this study was to identify whether an association exists between these conditions and arthrofibrosis following TKA. METHODS Patient records were queried from 2010 to 2016 using an administrative claims database to compare the rates of arthrofibrosis, manipulation under anesthesia (MUA), lysis of adhesions (LOA), and revision TKA in patients with independent chart diagnoses of Dupuytren's Contracture, Ledderhose, or Peyronie's Diseases versus those without. Complications were queried and compared using multivariate logistic regression. RESULTS Patients with Dupuytren's (n = 5,232) and Ledderhose (n = 50,716) had a significantly higher rate of ankylosis following TKA: 30-days (OR, 1.54; OR, 1.23), 90-days (OR, 1.20; OR, 1.24), 6-months (OR, 1.23; OR, 1.23), and 1-year (OR, 1.28; OR, 1.23), while patients with Peyronie's (n = 1,186) had a higher rate of diagnosis at 6-months (OR, 1.37) and 1-year (OR, 1.35). Patients with diagnoses of any of the fibroproliferative diseases had a statistically higher risk of MUA at 90-days, 6-month, and 1-year following primary TKA. These cohorts did not have a significantly higher rate of revision TKA. CONCLUSION There is an increased odds risk of arthrofibrosis and MUA in patients who have undergone TKA and have a diagnosis of Dupuytren's Contracture, Ledderhose, or Peyronie's Diseases. Improvements to frequency and application of post-operative treatment should be considered in these cohorts to improve outcomes.
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Affiliation(s)
- Cindy X Wang
- Department of Orthopedic Surgery, Tulane University School of Medicine, 1430 Tulane Avenue, New Orleans, LA 70112, USA.
| | - Travis R Flick
- Department of Orthopedic Surgery, Tulane University School of Medicine, 1430 Tulane Avenue, New Orleans, LA 70112, USA.
| | - Akshar H Patel
- Department of Orthopedic Surgery, Tulane University School of Medicine, 1430 Tulane Avenue, New Orleans, LA 70112, USA.
| | - Fernando Sanchez
- Department of Orthopedic Surgery, Tulane University School of Medicine, 1430 Tulane Avenue, New Orleans, LA 70112, USA.
| | - William F Sherman
- Department of Orthopedic Surgery, Tulane University School of Medicine, 1430 Tulane Avenue, New Orleans, LA 70112, USA.
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Xiong L, Klemt C, Yin J, Tirumala V, Kwon YM. Outcome of Revision Surgery for the Idiopathic Stiff Total Knee Arthroplasty. J Arthroplasty 2021; 36:1067-1073. [PMID: 32988681 DOI: 10.1016/j.arth.2020.09.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/21/2020] [Accepted: 09/03/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Idiopathic stiff total knee arthroplasty (TKA) represents one of the most challenging subsets of the stiff TKA, as the etiology is unknown and there is no consensus on the most appropriate surgical treatment modality. Therefore, the aim of this study is to report on postoperative outcomes of revision surgery for idiopathic stiff TKA. METHODS We retrospectively reviewed 189 consecutive patients (202 knees) who underwent revision TKA for stiffness: (1) 101 knees in the idiopathic stiffness cohort and (2) 88 in the non-idiopathic stiffness cohort. In the idiopathic stiffness cohort, 42 knees underwent isolated tibial insert exchange and 59 knees underwent component revision. Perioperative knee range of movement and complications were analyzed. RESULTS The overall revision surgery outcomes of the idiopathic stiffness cohort were worse than those of the non-idiopathic stiffness cohort with regard to maximum flexion (91.7° vs 100.1°, P = .02) and flexion range of motion (ROM) (87.6° vs 97.1°, P = .01). In the idiopathic stiffness cohort, isolated tibial insert exchange demonstrated greater maximum flexion (96.8° vs 88.4°, P = .06) and flexion ROM (93.2° vs 83.9°, P = .07). In terms of re-revision rates, the isolated tibial insert exchange idiopathic stiffness cohort demonstrated lower re-revision rates compared to the component revision idiopathic stiffness cohort (16.7% vs 31.0%, P = .01). CONCLUSION This study demonstrates that the overall revision surgery outcome of idiopathic stiff TKA is worse than non-idiopathic TKA stiffness. In idiopathic stiffness cohorts, isolated tibial insert exchange was associated with lower re-revision rates than component revision, with similar efficacy in improving ROM, suggesting that isolated tibial insert exchange may be a preferred surgical treatment option in TKA patients with idiopathic stiffness.
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Affiliation(s)
- Liang Xiong
- Department of Orthopedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Christian Klemt
- Department of Orthopedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Jonathan Yin
- Department of Orthopedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Venkatsaiakhil Tirumala
- Department of Orthopedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Young-Min Kwon
- Department of Orthopedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA
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13
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Abstract
It is clear that the stiff total knee arthroplasty (TKA) is a multifactorial entity associated with preoperative, intraoperative and postoperative factors. Management of the stiff TKA is best achieved by preventing its occurrence using strategies to control preoperative factors, avoid intraoperative technical errors and perform aggressive, painless postoperative physical medicine and rehabilitation; adequate pain control is paramount in non-invasive management. Careful attention to surgical exposure, restoring gap balance, minimizing surgical trauma to the patellar ligament/extensor mechanism, appropriate implant selection, pain control and adequate physical medicine and rehabilitation (physiotherapy, Astym therapy) all serve to reduce its incidence. For established stiff TKA, there are multiple treatment options available including mobilization under anaesthesia (MUA), arthroscopic arthrolysis, revision TKA, and combined procedures.
Cite this article: EFORT Open Rev 2019;4:602-610. DOI: 10.1302/2058-5241.4.180105
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Hug KT, Amanatullah DF, Huddleston JI, Maloney WJ, Goodman SB. Protocol-Driven Revision for Stiffness After Total Knee Arthroplasty Improves Motion and Clinical Outcomes. J Arthroplasty 2018; 33:2952-2955. [PMID: 29859726 DOI: 10.1016/j.arth.2018.05.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 04/14/2018] [Accepted: 05/08/2018] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Stiffness after revision total knee arthroplasty (TKA) is a difficult problem without a well-defined treatment algorithm. The purpose of this study was to evaluate the results of revision TKA for stiffness within the context of differential component replacement. METHODS Consecutive patients who underwent revision TKA were retrospectively identified and included those who received debridement and polyethylene liner exchange alone, revision of only one of the femoral or tibial fixed components, or revision of all components. Preoperative and postoperative range of motion and Knee Society score (KSS) were collected. RESULTS Sixty-nine knees were included in the study group with a mean follow-up of 43 months (range, 12-205 months). The mean prerevision flexion contracture of 17° improved to 5° after surgical intervention (P < .001). Similarly, mean flexion and motion arc improved from 70° to 92° and from 53° to 87°, respectively (P < .001). Mean KSS knee scores improved from 42 to 70 and KSS function scores improved from 41 to 68 (P < .001). Mean arc of motion improved by 45° in patients who underwent complete component revision, 32° with component retention, and 29° with single component revision (P = .046). KSS knee scores improved by 34, 25, and 28 points in these respective groups (P = .049). KSS function scores improved by 33, 27, and 25 points (P = .077). CONCLUSION Revision surgery with or without component revision can improve motion and function in patients with stiffness after TKA. Complete component revision may offer the largest improvements in these outcome measures in properly selected patients.
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Affiliation(s)
- Kevin T Hug
- Department of Orthopaedic Surgery, Stanford Hospitals and Clinics, Stanford, California
| | - Derek F Amanatullah
- Department of Orthopaedic Surgery, Stanford Hospitals and Clinics, Stanford, California
| | - James I Huddleston
- Department of Orthopaedic Surgery, Stanford Hospitals and Clinics, Stanford, California
| | - William J Maloney
- Department of Orthopaedic Surgery, Stanford Hospitals and Clinics, Stanford, California
| | - Stuart B Goodman
- Department of Orthopaedic Surgery, Stanford Hospitals and Clinics, Stanford, California
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Cohen JS, Gu A, Lopez NS, Park MS, Fehring KA, Sculco PK. Efficacy of Revision Surgery for the Treatment of Stiffness After Total Knee Arthroplasty: A Systematic Review. J Arthroplasty 2018; 33:3049-3055. [PMID: 29803577 DOI: 10.1016/j.arth.2018.04.036] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 04/07/2018] [Accepted: 04/20/2018] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Knee stiffness following total knee arthroplasty (TKA) may cause pain and reduced functionality, contributing to unsatisfactory surgical outcomes. Revision surgery remains a possible treatment for refractory postoperative stiffness. However, the efficacy of the procedure has not been systematically evaluated. METHODS A systematic review of the literature was performed to identify studies that reported on outcomes for patients who underwent revision surgery for postoperative stiffness after TKA. RESULTS Ten studies (including 485 knees) were reviewed. The most common etiologies of stiffness requiring revision TKA were component malposition, malalignment, overstuffing, aseptic loosening, arthrofibrosis, patella baja, and heterotopic ossification. Of 9 studies reviewing range of motion outcomes after revision TKA, 7 studies documented significant improvement and 2 found trends toward improvement. Seven of 8 studies documenting Knee Society knee scores and 7 of 9 studies documenting functional scores found improvement after revision TKA. All studies reporting on pain found improvement at final follow-up after revision TKA. CONCLUSION Revision TKA results in increased range of motion, improved functionality, and reduced pain in most patients who require surgery for stiffness. The present literature is inadequate to predict which patients will achieve adequate outcomes from revision TKA based on the specific etiology of their stiffness, although identification of the etiology may help in surgical planning. Surgeons performing revision TKA should counsel patients on the risks and benefits of undergoing revision surgery, with the understanding that outcomes for well-selected patients are generally favorable.
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Affiliation(s)
- Jordan S Cohen
- Department of Medicine, George Washington School of Medicine and Health Sciences, Washington, DC
| | - Alex Gu
- Department of Medicine, George Washington School of Medicine and Health Sciences, Washington, DC; Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY
| | - Nicole S Lopez
- Department of Medicine, Medical College of Georgia, Augusta, GA
| | - Mindy S Park
- Department of Medicine, George Washington School of Medicine and Health Sciences, Washington, DC
| | - Keith A Fehring
- Department of Orthopedic Surgery, OrthoCarolina, Charlotte, NC
| | - Peter K Sculco
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY
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Moya-Angeler J, Bas MA, Cooper HJ, Hepinstall MS, Rodriguez JA, Scuderi GR. Revision Arthroplasty for the Management of Stiffness After Primary TKA. J Arthroplasty 2017; 32:1935-1939. [PMID: 28209277 DOI: 10.1016/j.arth.2017.01.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 12/18/2016] [Accepted: 01/09/2017] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND The aim of this study was to evaluate the results of revision surgery for the treatment of stiffness after total knee arthroplasty (TKA). METHODS An IRB-approved retrospective review was performed to identify patients who were revised due to stiffness after a primary TKA. Patients were included when at least one major component had to be revised due to stiffness after primary TKA with a minimum follow-up of 2 years. Patients with history of previous infection and those treated with isolated polyethylene exchange were excluded. RESULTS The study group involved 42 knees. Mean follow-up was 47 months (24-109 months). Mean flexion contracture improved from 9.7° (0°-35°) preoperatively to 2.3° (0°-20°) postoperatively (P < .00). Mean flexion improved from 81.5° (10°-125°) preoperatively to 94.3° (15°-140°) postoperatively (P .02). Mean range of motion improved from 72.0° preoperatively (10°-100°) to 92° (15°-140°) postoperatively (P < .00). Mean Knee Society knee scores improved from 43.9 points (15-67) preoperatively to 72.0 points (50-93) at latest follow-up and mean Knee Society Function scores improved from 48.7 (35-80) preoperatively to 70.1 points (30-90) postoperatively. Pain improved in 73% of the patients. CONCLUSION Revision surgery appears to be a reasonable option for patients presenting with pain and stiffness after TKA. However, the benefits may be modest as the outcomes still do not approach those achieved with primary TKA.
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Affiliation(s)
| | - Marcel A Bas
- Department of Orthopedic Surgery, Lenox Hill Hospital, New York, New York
| | - H John Cooper
- Department of Orthopedic Surgery, Lenox Hill Hospital, New York, New York
| | | | - Jose A Rodriguez
- Department of Orthopedic Surgery, Lenox Hill Hospital, New York, New York
| | - Giles R Scuderi
- Department of Orthopedic Surgery, Lenox Hill Hospital, New York, New York
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17
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Donaldson JR, Tudor F, Gollish J. Revision surgery for the stiff total knee arthroplasty. Bone Joint J 2017; 98-B:622-7. [PMID: 27143732 DOI: 10.1302/0301-620x.98b5.35969] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Accepted: 01/14/2016] [Indexed: 11/05/2022]
Abstract
AIMS The aim of this study was to examine the results of revision total knee arthroplasty (TKA) undertaken for stiffness in the absence of sepsis or loosening. PATIENTS AND METHODS We present the results of revision surgery for stiff TKA in 48 cases (35 (72.9%) women and 13 (27.1%) men). The mean age at revision surgery was 65.5 years (42 to 83). All surgeries were performed by a single surgeon. Stiffness was defined as an arc of flexion of < 70° or a flexion contracture of > 15°. The changes in the range of movement (ROM) and the Western Ontario and McMasters Osteoarthritis index scores (WOMAC) were recorded. RESULTS At a mean follow up of 59.9 months (12 to 272) there was a mean improvement in arc of movement of 45.0°. Mean flexion improved from 54.4° (5° to 100°) to 90° (10° to 125°) (p < 0.05) and the mean flexion contracture decreased from 12.0° (0° to 45°) to 3.5° (0° to 25°) (p < 0.05). The mean WOMAC scores improved for pain, stiffness and function. In patients with extreme stiffness we describe a novel technique, which we have called the 'sloppy' revision. This entails downsizing the polyethylene insert by 4 mm and using a more constrained liner to retain stability. CONCLUSION To our knowledge, this is the largest series of revision surgeries for stiffness reported in the literature where infection and loosening have been excluded. TAKE HOME MESSAGE Whilst revision surgery is technically demanding, improvements in ROM and outcome can be achieved, particularly when the revision is within two years of the primary surgery. Cite this article: Bone Joint J 2016;98-B:622-7.
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Affiliation(s)
| | - F Tudor
- Sunnybrook Health Sciences Centre, Toronto, Canada
| | - J Gollish
- Sunnybrook Health Sciences Centre, Toronto, Canada
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18
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Heesterbeek PJC, Goosen JHM, Schimmel JJP, Defoort KC, van Hellemondt GG, Wymenga AB. Moderate clinical improvement after revision arthroplasty of the severely stiff knee. Knee Surg Sports Traumatol Arthrosc 2016. [PMID: 26215774 DOI: 10.1007/s00167-015-3712-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE Revision of the severe stiff total knee arthroplasty (TKA) is challenging, and clinical outcome is inferior to other indications for revision. The purpose of the present study was to determine clinical outcome of TKA revision in patients with severe stiffness (range of motion (ROM) ≤ 70°) and evaluate a possible influence of accompanying findings, such as component malposition, aseptic loosening or instability. METHODS A prospective cohort of 40 patients with a preoperative ROM ≤ 70° and a minimum of 2-year follow-up after total system revision (Genesis or Legion stemmed condylar implant) was evaluated. ROM, Knee Society Scoring System (KSS) and visual analogue scale (VAS) pain scores were obtained preoperatively and at 2 years. Patient satisfaction and complication rate were assessed. Component malposition was most frequently reported as accompanying finding (n = 27). Comparisons between pre- and postoperative outcome (p < 0.05) and between different subgroups (component malposition, aseptic loosening, and instability) based on accompanying findings were made (no statistical comparison). RESULTS ROM, KSS and VAS pain scores improved significantly (p < 0.001): median ROM at two years 85° (range 10-125) and median gain 25° (range -10 to +85). Median VAS satisfaction was 53.5 points (range 15-98). Seventeen patients reported at least one complication, including one re-revision. Six patients underwent manipulation under anaesthesia, and five were referred to the pain clinic. No clear differences between subgroups were observed. CONCLUSIONS TKA revision in patients with severe stiffness resulted in a moderate but significant improved clinical outcome after 2 years. Accompanying abnormalities such as component malposition, aseptic loosening or instability did not influence clinical outcome. Realistic patient counselling on the moderate outcome and possible remaining limitations in daily life might help to improve patient satisfaction. LEVEL OF EVIDENCE Therapeutic studies-case series with no comparison group, Level IV.
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Affiliation(s)
| | - J H M Goosen
- Sint Maartenskliniek, PO Box 9011, 6500 GM, Nijmegen, Netherlands
| | - J J P Schimmel
- Sint Maartenskliniek, PO Box 9011, 6500 GM, Nijmegen, Netherlands
| | - K C Defoort
- Sint Maartenskliniek, PO Box 9011, 6500 GM, Nijmegen, Netherlands
| | | | - A B Wymenga
- Sint Maartenskliniek, PO Box 9011, 6500 GM, Nijmegen, Netherlands
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19
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Ewing JA, Kaufman MK, Hutter EE, Granger JF, Beal MD, Piazza SJ, Siston RA. Estimating patient-specific soft-tissue properties in a TKA knee. J Orthop Res 2016; 34:435-43. [PMID: 26291455 PMCID: PMC7942757 DOI: 10.1002/jor.23032] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2014] [Accepted: 07/31/2015] [Indexed: 02/04/2023]
Abstract
Surgical technique is one factor that has been identified as critical to success of total knee arthroplasty. Researchers have shown that computer simulations can aid in determining how decisions in the operating room generally affect post-operative outcomes. However, to use simulations to make clinically relevant predictions about knee forces and motions for a specific total knee patient, patient-specific models are needed. This study introduces a methodology for estimating knee soft-tissue properties of an individual total knee patient. A custom surgical navigation system and stability device were used to measure the force-displacement relationship of the knee. Soft-tissue properties were estimated using a parameter optimization that matched simulated tibiofemoral kinematics with experimental tibiofemoral kinematics. Simulations using optimized ligament properties had an average root mean square error of 3.5° across all tests while simulations using generic ligament properties taken from literature had an average root mean square error of 8.4°. Specimens showed large variability among ligament properties regardless of similarities in prosthetic component alignment and measured knee laxity. These results demonstrate the importance of soft-tissue properties in determining knee stability, and suggest that to make clinically relevant predictions of post-operative knee motions and forces using computer simulations, patient-specific soft-tissue properties are needed.
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Affiliation(s)
- Joseph A. Ewing
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, Ohio
| | - Michelle K. Kaufman
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, Ohio
| | - Erin E. Hutter
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, Ohio
| | | | - Matthew D. Beal
- Department of Orthopedic Surgery, Northwestern University, Evanston, Illinois
| | - Stephen J. Piazza
- Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania
| | - Robert A. Siston
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, Ohio,,Department of Orthopaedics, The Ohio State University, Columbus, Ohio
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Yoo JH, Oh JC, Oh HC, Park SH. Manipulation under Anesthesia for Stiffness after Total Knee Arthroplasty. Knee Surg Relat Res 2015; 27:233-9. [PMID: 26676186 PMCID: PMC4678244 DOI: 10.5792/ksrr.2015.27.4.233] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 08/01/2015] [Accepted: 08/17/2015] [Indexed: 11/18/2022] Open
Abstract
PURPOSE This study evaluated the incidence of manipulation under anesthesia (MUA) for stiffness after total knee arthroplasty (TKA) and the degree of joint motion recovery after MUA. MATERIALS AND METHODS A total of 4,449 TKAs (2,973 patients) were performed between March 2000 and August 2014. Cases that underwent MUA for stiffness after TKA were reviewed. TKAs were performed using the conventional procedure in 329 cases and using the minimally invasive procedure in 4,120 cases. The preoperative range of joint motion, timing of manipulation, diagnosis and the range of joint motion before and after MUA were retrospectively investigated. RESULTS MUA was carried out in 22 cases (16 patients), resulting in the incidence of 0.5%. The incidence after the conventional procedure was 1.2% and 0.4% after the minimally invasive procedure. In the manipulated knees, the preoperative range of motion (ROM) was 102.5°±26.7°, and the preoperative diagnosis was osteoarthritis in 19 cases, rheumatoid arthritis in two, and infection sequela in one. MUA was performed 4.7±3.0 weeks after TKA. The average ROM was 64.5°±13.5° before manipulation. At an average of 64.3±41.3 months after manipulation, the ROM was recovered to 113.4°±31.2°, which was an additional 49.9° improvement in flexion. CONCLUSIONS The satisfactory recovery of joint movement was achieved when MUA for stiffness was performed relatively early after TKA.
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Affiliation(s)
- Ju-Hyung Yoo
- Department of Orthopedic Surgery, National Health Insurance Corporation Ilsan Hospital, Goyang, Korea
| | - Jin-Cheol Oh
- Department of Orthopedic Surgery, National Health Insurance Corporation Ilsan Hospital, Goyang, Korea
| | - Hyun-Cheol Oh
- Department of Orthopedic Surgery, National Health Insurance Corporation Ilsan Hospital, Goyang, Korea
| | - Sang-Hoon Park
- Department of Orthopedic Surgery, National Health Insurance Corporation Ilsan Hospital, Goyang, Korea
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Kowalczewski JB, Labey L, Chevalier Y, Okon T, Innocenti B, Bellemans J. Does joint line elevation after revision knee arthroplasty affect tibio-femoral kinematics, contact pressure or collateral ligament lengths? An in vitro analysis. Arch Med Sci 2015; 11:311-8. [PMID: 25995746 PMCID: PMC4424242 DOI: 10.5114/aoms.2014.46078] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Revised: 04/30/2013] [Accepted: 05/07/2013] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Correct restoration of the joint line is generally considered as crucial when performing total knee arthroplasty (TKA). During revision knee arthroplasty however, elevation of the joint line occurs frequently. The general belief is that this negatively affects the clinical outcome, but the reasons are still not well understood. MATERIAL AND METHODS In this cadaveric in vitro study the biomechanical consequences of joint line elevation were investigated using a previously validated cadaver model simulating active deep knee squats and passive flexion-extension cycles. Knee specimens were sequentially tested after total knee arthroplasty with joint line restoration and after 4 mm joint line elevation. RESULTS The tibia rotated internally with increasing knee flexion during both passive and squatting motion (range: 17° and 7° respectively). Joint line elevation of 4 mm did not make a statistically significant difference. During passive motion, the tibia tended to become slightly more adducted with increasing knee flexion (range: 2°), while it went into slighlty less adduction during squatting (range: -2°). Neither of both trends was influenced by joint line elevation. Also anteroposterior translation of the femoral condyle centres was not affected by joint line elevation, although there was a tendency for a small posterior shift (of about 3 mm) during squatting after joint line elevation. In terms of kinetics, ligaments lengths and length changes, tibiofemoral contact pressures and quadriceps forces all showed the same patterns before and joint line elevation. No statistically significant changes could be detected. CONCLUSIONS Our study suggests that joint line elevation by 4 mm in revision total knee arthroplasty does not cause significant kinematic and kinetic differences during passive flexion/extension movement and squatting in the tibio-femoral joint, nor does it affect the elongation patterns of collateral ligaments. Therefore, clinical problems after joint line elevation are probably situated in the patello-femoral joint or caused by joint line elevation of more than 4 mm.
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Affiliation(s)
- Jacek B. Kowalczewski
- Department of Orthopaedics and Inflammatory Disorders of Locomotor System, The Medical Centre of Postgraduate Education, Otwock, Poland
| | - Luc Labey
- KU Leuven, Mechanical Engineering Technology TC Geel, Geel, Belgium
| | - Yan Chevalier
- Labor für Biomechanik und Experimentelle Orthopädie, Orthopädische Klinik und Poliklinik, Klinikum Großhadern, München, Germany
| | - Tomasz Okon
- Department of Orthopaedics and Inflammatory Disorders of Locomotor System, The Medical Centre of Postgraduate Education, Otwock, Poland
| | - Bernardo Innocenti
- Bio Electro and Mechanical Systems Department, Université Libre de Bruxelles, Brussel, Belgium
| | - Johan Bellemans
- Department of Orthopaedic Surgery and Traumatology, Ziekenhuis Oost Limburg, Genk, Belgium
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Campbell TM, Trudel G, Laneuville O. Knee flexion contractures in patients with osteoarthritis: clinical features and histologic characterization of the posterior capsule. PM R 2014; 7:466-73. [PMID: 25511691 DOI: 10.1016/j.pmrj.2014.12.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Revised: 11/15/2014] [Accepted: 12/01/2014] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To (1) identify demographic and clinical factors associated with knee flexion contracture (KFlC) in the setting of osteoarthritis (OA) and (2) histologically compare the posterior knee capsule of patients with OA with and without KFlC. DESIGN Cross-sectional study. SETTING Primary care, including private and institutional practice. PATIENTS Thirteen patients with primary OA and KFlC and 8 patients with primary OA without KFlC. METHODS We compared the KFlC and non-KFlC groups to identify demographic and clinical factors associated with KFlC. We examined the histology of the posterior knee capsules of 9 patients with KFlC and 6 without. MAIN OUTCOME MEASUREMENTS Patient demographic and clinical factors. For histology we measured the proportional composition of collagenous, adipose, and synovial tissues; fibroblast and adipocyte cellularity; and synovial thickness. RESULTS Patients with contracture had longer duration of OA, reduced flexion of the surgical knee, and reduced extension of the contralateral knee (P = .04, <.01, and <.01 respectively). Histologically, there was a greater proportion of collagenous tissue and a lower proportion of adipose and synovial tissues in the contracture group than in the noncontracture group; however, the differences were not statistically significant. Cellularity was similar between the 2 groups. CONCLUSIONS Longer duration of knee OA, reduced surgical knee flexion, and reduced contralateral, nonsurgical knee extension were associated with KFlC in the OA knee undergoing total arthroplasty. Monitoring bilateral knee range of motion in patients with longer-duration OA could allow earlier intervention, reducing functional loss. Capsular tissue composition analysis may indicate a fibrotic disease process. Further research in which a larger sample size is used will help clarify these novel findings.
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Affiliation(s)
- Thomas Mark Campbell
- Department of Medicine, The Ottawa Hospital Rehabilitation Centre, University of Ottawa, Ottawa, ON, Canada(∗).
| | - Guy Trudel
- Department of Medicine, The Ottawa Hospital Rehabilitation Centre, University of Ottawa, Ottawa, ON, Canada(†)
| | - Odette Laneuville
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada(‡)
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Pfefferle KJ, Shemory ST, Dilisio MF, Fening SD, Gradisar IM. Risk factors for manipulation after total knee arthroplasty: a pooled electronic health record database study. J Arthroplasty 2014; 29:2036-8. [PMID: 24927868 DOI: 10.1016/j.arth.2014.05.001] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2014] [Revised: 04/16/2014] [Accepted: 05/04/2014] [Indexed: 02/01/2023] Open
Abstract
A commercially available software platform, Explorys (Explorys, Inc., Cleveland, OH), was used to mine a pooled electronic healthcare database consisting of the medical records of more than 27 million patients. A total of 229,420 patients had undergone a total knee arthroplasty; 3470 (1.51%) patients were identified to have undergone manipulation under anesthesia. Individual risk factors of being female, African American race, age less than 60, BMI >30 and nicotine dependence were determined to have relative risk of 1.25, 2.20, 3.46, 1.33 and 1.32 respectively. Depressive disorder, diabetes mellitus, opioid abuse/dependence and rheumatoid arthritis were not significant risk factors. African Americans under the age of 60 at time of TKA had the greatest incidence of MUA (5.17%) and relative risk of 3.73 (CI: 3.36, 4.13).
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Affiliation(s)
- Kiel J Pfefferle
- Department of Orthopaedic Surgery, Summa Health System, Akron, Ohio
| | - Scott T Shemory
- Department of Orthopaedic Surgery, Summa Health System, Akron, Ohio
| | - Matthew F Dilisio
- Harvard Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts
| | - Stephen D Fening
- Department of Orthopaedic Surgery, Summa Health System, Akron, Ohio; Austen BioInnovation Institue, Akron, Ohio
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Sharkey PF, Lichstein PM, Shen C, Tokarski AT, Parvizi J. Why are total knee arthroplasties failing today--has anything changed after 10 years? J Arthroplasty 2014; 29:1774-8. [PMID: 25007726 DOI: 10.1016/j.arth.2013.07.024] [Citation(s) in RCA: 502] [Impact Index Per Article: 50.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Revised: 06/27/2013] [Accepted: 07/21/2013] [Indexed: 02/01/2023] Open
Abstract
The purpose of this study was to determine the frequency and cause of failure after total knee arthroplasty and compare the results with those reported by our similar investigation conducted 10 years ago. A total of 781 revision TKAs performed at our institution over the past 10 years were identified. The most common failure mechanisms were: loosening (39.9%), infection (27.4%), instability (7.5%), periprosthetic fracture (4.7%), and arthrofibrosis (4.5%). Infection was the most common failure mechanism for early revision (<2 years from primary) and aseptic loosening was the most common reason for late revision. Polyethylene (PE) wear was no longer the major cause of failure. Compared to our previous report, the percentage of revisions performed for polyethylene wear, instability, arthrofibrosis, malalignment and extensor mechanism deficiency has decreased.
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Affiliation(s)
- Peter F Sharkey
- The Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania.
| | - Paul M Lichstein
- The Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Chao Shen
- The Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Anthony T Tokarski
- The Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Javad Parvizi
- The Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
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Issa K, Banerjee S, Kester MA, Khanuja HS, Delanois RE, Mont MA. The effect of timing of manipulation under anesthesia to improve range of motion and functional outcomes following total knee arthroplasty. J Bone Joint Surg Am 2014; 96:1349-57. [PMID: 25143495 DOI: 10.2106/jbjs.m.00899] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Manipulation under anesthesia has been reported to improve range of motion when other rehabilitative efforts fail to obtain adequate motion after total knee arthroplasty. The purpose of this study was to evaluate the effects of the timing of the manipulation on knee range of motion and clinical outcomes. METHODS All 2128 total knee arthroplasties performed at our institution from 2005 to 2011 were reviewed to determine the number of patients who had undergone manipulation under anesthesia. A total of 144 manipulations in eighty-eight women and forty-five men were reviewed. Manipulations under anesthesia that were performed within the first twelve weeks after total knee arthroplasty were considered early and those after that period were considered late. Patients were further substratified according to the timing of the manipulation: Group I included those who had the manipulation within six weeks; Group II, at seven to twelve weeks; Group III, at thirteen to twenty-six weeks; and Group IV, after twenty-six weeks. Outcomes evaluated included gains in flexion and final range of motion, and Knee Society objective and function scores between early and late manipulation, using various adjusted multivariable regression models and at a mean follow-up of fifty-one months (range, twelve to eighty-one months). Mediation analysis was used to investigate whether gains in range of motion from the manipulations under anesthesia alone had mediated the effect between the timing of the manipulation and the clinical outcomes. RESULTS Patients who underwent early manipulation had a significantly higher mean gain in flexion (36.5° versus 17°), higher final range of motion (119° versus 95°), and higher Knee Society objective (89 versus 84 points) and function scores (88 versus 83 points) than those who had late manipulation under anesthesia. There were no significant differences in the outcomes of Groups I and II. Manipulations after twenty-six weeks resulted in unsatisfactory clinical outcomes. Multivariable regression analyses confirmed significantly better clinical outcomes with early manipulation. Mediation analysis showed that the timing of manipulation independently had significantly contributed to the outcomes. CONCLUSIONS Orthopaedic surgeons should have a low threshold for performing early manipulations with the patient under anesthesia within twelve weeks after an arthroplasty, to achieve higher knee range of motion and improved clinical outcomes. LEVEL OF EVIDENCE Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Kimona Issa
- Department of Orthopaedic Surgery, Seton Hall University School of Health and Medical Sciences, 400 South Orange Avenue, South Orange, NJ 07079
| | - Samik Banerjee
- Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, 2401 West Belvedere Avenue, Baltimore, MD 21215. E-mail address for M.A. Mont:
| | - Mark A Kester
- Stryker Orthopaedics, 325 Corporate Way, Mahwah, NJ 07430
| | - Harpal S Khanuja
- Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, 2401 West Belvedere Avenue, Baltimore, MD 21215. E-mail address for M.A. Mont:
| | - Ronald E Delanois
- Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, 2401 West Belvedere Avenue, Baltimore, MD 21215. E-mail address for M.A. Mont:
| | - Michael A Mont
- Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, 2401 West Belvedere Avenue, Baltimore, MD 21215. E-mail address for M.A. Mont:
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Siston RA, Maack TL, Hutter EE, Beal MD, Chaudhari AMW. Design and cadaveric validation of a novel device to quantify knee stability during total knee arthroplasty. J Biomech Eng 2014; 134:115001. [PMID: 23387792 DOI: 10.1115/1.4007822] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The success of total knee arthroplasty depends, in part, on the ability of the surgeon to properly manage the soft tissues surrounding the joint, but an objective definition as to what constitutes acceptable postoperative joint stability does not exist. Such a definition may not exist due to lack of suitable instrumentation, as joint stability is currently assessed by visual inspection while the surgeon manipulates the joint. Having the ability to accurately and precisely measure knee stability at the time of surgery represents a key requirement in the process of objectively defining acceptable joint stability. Therefore, we created a novel sterilizable device to allow surgeons to measure varus-valgus, internal-external, or anterior-posterior stability of the knee during a total knee arthroplasty. The device can be quickly adjusted between 0 deg and 90 deg of knee flexion. The device interfaces with a custom surgical navigation system, which records the resultant rotations or translations of the knee while the surgeon applies known loads to a patient's limb with a handle instrumented with a load cell. We validated the performance of the device by having volunteers use it to apply loads to a mechanical linkage that simulated a knee joint; we then compared the joint moments calculated by our stability device against those recorded by a load cell in the simulated knee joint. Validation of the device showed low mean errors (less than 0.21 ± 1.38 Nm and 0.98 ± 3.93 N) and low RMS errors (less than 1.5 Nm and 5 N). Preliminary studies from total knee arthroplasties performed on ten cadaveric specimens also demonstrate the utility of our new device. Eventually, the use of this device may help determine how intra-operative knee stability relates to postoperative function and could lead to an objective definition of knee stability and more efficacious surgical techniques.
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Affiliation(s)
- Robert A Siston
- Department of Mechanical and Aerospace Engineering, Department of Orthopaedics, The Ohio State University, Columbus, OH 43210, USA.
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Offenbächer M, Sauer S, Rieß J, Müller M, Grill E, Daubner A, Randzio O, Kohls N, Herold-Majumdar A. Contractures with special reference in elderly: definition and risk factors – a systematic review with practical implications. Disabil Rehabil 2013; 36:529-38. [DOI: 10.3109/09638288.2013.800596] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Ghani H, Maffulli N, Khanduja V. Management of stiffness following total knee arthroplasty: a systematic review. Knee 2012; 19:751-9. [PMID: 22533961 DOI: 10.1016/j.knee.2012.02.010] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2011] [Revised: 02/22/2012] [Accepted: 02/27/2012] [Indexed: 02/02/2023]
Abstract
AIM The aim of the study was to systematically evaluate the outcome of four main modalities of treatment for arthrofibrosis that develops subsequent to a total knee arthroplasty (TKA), namely manipulation under anesthesia (MUA), arthroscopic debridement, open surgical release and revision TKA. MATERIALS AND METHODS A computerised search was conducted for relevant studies published from 1975 onwards in all the major databases and various search engines. A total of twenty-five studies were selected, representing a total of 798 patients. Studies that passed the inclusion criteria were then subjected to quality assessment using the Newcastle-Ottawa Scale. On assessment, the 25 studies scored a total of 77 stars out of a possible 125. Two studies were prospective in design, while the remaining case series were retrospective in nature. The primary outcome measures assessed were increase in range of movement (ROM) and the Knee Society Score (KSS) at final follow-up. RESULTS Our results showed that manipulation under anesthesia (MUA) had a mean increase in ROM of 38.4°, arthroscopic release had a mean increase of 36.2°, open surgical release had a mean increase of 43.4° and revision TKA had a mean increase of 24.7°. No significant differences were found in the KSS of the four treatment modalities. Our analysis suggests that open surgical release would be the most beneficial option for patients who are fit to undergo secondary surgery if their lifestyle requires a higher ROM for activities of daily living. However, there were methodological limitations as majority of the papers were case series, which decreased the quality of the evidence available.
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Affiliation(s)
- H Ghani
- Addenbrooke's - Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
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Abstract
Stiffness after total knee replacement (TKR) is a frustrating complication that has many possible causes. Although the definition of stiffness has changed over the years, most would agree that flexion <75° and a 15° lack of extension constitutes stiffness. The management of this potentially unsatisfying situation begins preoperatively with guidance of the patient's expectations; it is well-known that preoperative stiffness is strongly correlated with postoperative lack of motion. At the time of surgery, osteophytes must be removed and the components properly sized and aligned and rotated. Soft tissue balancing must be attained in both the flexion/extension and varus/valgus planes. One must avoid overstuffing the tibiofemoral and/or patellofemoral compartments with an inadequate bone resection. Despite these surgical measures and adequate pain control and rehabilitation, certain patients will continue to frustrate our best efforts. These patients likely have a biological predisposition for formation of scar tissue. Other potential causes for the stiff TKR include complex regional pain syndrome or joint infection. Close follow-up of a patient's progress is crucial for the success in return of range of motion. Should motion plateau early in the recovery phase, the patient should be evaluated for manipulation under anesthesia. The results of reoperations for a stiff TKR are variable due to the multiple etiologies. A clear cause of stiffness such as component malposition, malrotation, or overstuffing of the joint has a greater chance of regaining motion than arthrofibrosis without a clear cause. Although surgical treatment with open arthrolysis, isolated component, or complete revision can be used to improve TKR motion, results have been variable and additional procedures are often necessary.
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Affiliation(s)
- Edwin P Su
- Hospital for Special Surgery, New York, New York, USA.
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Patil N, Lee K, Huddleston JI, Harris AHS, Goodman SB. Aseptic versus septic revision total knee arthroplasty: patient satisfaction, outcome and quality of life improvement. Knee 2010; 17:200-3. [PMID: 19875297 DOI: 10.1016/j.knee.2009.09.001] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2009] [Revised: 08/25/2009] [Accepted: 09/15/2009] [Indexed: 02/02/2023]
Abstract
We prospectively compared the clinical outcomes and patient satisfaction rates of aseptic (n=30) versus septic revision TKA (n=15) at a mean follow-up of 40 months. We hypothesized that the clinical results of septic revision TKA would be inferior to aseptic revision TKA. The indication for revision in aseptic group was stiffness in 11 patients, aseptic loosening in 13, patellar loosening or maltracking in 6 patients. Patients operated for infection had better post-operative Knee Society Scores (KSS), Function Scores and SF-36 Mental Scores than aseptic group but there were no significant differences in the satisfaction rates. Patients operated for infection had more improvement in their KSS (p=0.004) and Function Scores (p=0.02) than patients revised for stiffness. Moreover, patients operated on for patellar problems had higher satisfaction rates than patients revised for stiffness (p=0.01) or aseptic loosening (p=0.01). Thus, patients undergoing septic revision TKA had better outcomes compared to those with aseptic revision TKA. However, in the aseptic group, revision TKA for stiffness was associated with the poorest outcomes. The indication for aseptic revision is an important variable when discussing treatment and outcome with patients.
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Affiliation(s)
- Nilesh Patil
- Department of Orthopaedic Surgery, Stanford University Medical Center, Stanford, California, USA.
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Abstract
Stiffness is a relatively uncommon complication after total knee arthroplasty. It has been defined as a painful limitation in the range of movement (ROM). Its pathogenesis is still unclear even if some risk factors have been identified. Patient-related conditions may be difficult to treat. Preoperative ROM is the most important risk factor, but an association with diabetes, reflex sympathetic dystrophy, and general pathologies such as juvenile rheumatoid arthritis and ankylosing spondylitis has been demonstrated. Moreover, previous surgery may be an additional cause of an ROM limitation. Postoperative factors include infections, arthrofibrosis, heterotrophic ossifications, and incorrect rehabilitation protocol. Infections represent a challenging problem for the orthopaedic surgeon, and treatment may require long periods of antibiotics administration. However, it is widely accepted that an aggressive rehabilitation protocol is mandatory for a proper ROM recovery and to avoid the onset of arthrofibrosis and heterotrophic ossifications. Finally, surgery-related factors represent the most common cause of stiffness; they include errors in soft-tissue balancing, component malpositioning, and incorrect component sizing. Although closed manipulation, arthroscopic and open arthrolysis have been proposed, they may lead to unpredictable results and incomplete ROM recovery. Revision surgery must be proposed in the case of well-documented surgical errors. These operations are technically demanding and may be associated with high risk of complications; therefore they should be accurately planned and properly performed.
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Abstract
The success of total knee arthroplasty depends in part on proper soft tissue management to achieve a stable joint. It is unknown to what degree total knee arthroplasty changes joint stability. We used a surgical navigation system to intraoperatively measure joint stability in 24 patients under going primary total knee arthroplasty to address two questions: (1) Is the total arc of varus-valgus motion after total knee arthroplasty different from the arc of varus-valgus motion in an osteoarthritic knee? (2) Does total knee arthroplasty produce equal amounts of varus/valgus motion (ie, is the knee "balanced")? We observed no difference between the total arc of varus-valgus motion before and after total knee arthroplasty; the total amount of motion was unchanged. On average, osteoarthritic knees were "unbalanced" but were "balanced" after prosthesis implantation. We found a negative correlation between the relative amount of varus/valgus motion in extension before and after prosthesis implantation in extension and a positive correlation between how well the knees were balanced after prosthesis implantation in extension and in flexion. Our data suggest immediately after implantation knees retain a greater than normal amount of varus-valgus motion, but this motion is more evenly distributed.
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Affiliation(s)
- Robert A Siston
- Mechanical Engineering Department, Stanford University, Stanford, CA, USA.
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Namba RS, Inacio M. Early and late manipulation improve flexion after total knee arthroplasty. J Arthroplasty 2007; 22:58-61. [PMID: 17823017 DOI: 10.1016/j.arth.2007.02.010] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2006] [Accepted: 02/23/2007] [Indexed: 02/01/2023] Open
Abstract
Manipulations have been considered effective only in the early postoperative period. From a total joint registry containing 9640 primary total knee arthroplasties (TKAs), 195 patients who underwent manipulation under anesthesia (MUA) were identified. A total of 102 had MUA within 90 days (early), and 93 more than 90 days (late) after TKA. Average pain (10-point scale), satisfaction (10-point scale), flexion (degrees), and extension (degrees) were recorded before and after MUA. Flexion was significantly improved after MUA for both groups: early MUA from 68.4 degrees (+/-17.2 degrees ) to 101.4 degrees (+/-16.15 degrees ), P < .001; late MUA from 81.0 degrees (+/-13.3 degrees ) to 98.0 degrees (+/-18.0 degrees ), P = .001. Pain decreased significantly with early MUA from 4.92 (+/-2.25) to 3.34 (+/-2.67) and with late MUA from 4.51 (+/-2.62) to 3.44 (+/-2.78), P = .048. Extension improved only in the early MUA group from 7.15 (+/-10.1) to 2.50 (+/-4.98). Satisfaction scores were not improved. Both early and late manipulation can improve TKA pain and flexion.
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Affiliation(s)
- Robert S Namba
- Department of Orthopedic Surgery, Kaiser Permanente, Orange County, Anaheim, California 92807, USA
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Abstract
Stiffness is the most prevalent early local complication of primary total knee replacement, affecting approximately 6 to 7% of patients undergoing surgery. The definition of stiffness after total knee replacement in terms of restriction of the arc of motion has evolved in the last 2 decades as patients and physicians expect better postoperative functional outcomes. Gentle manipulation under anesthesia within 3 to 4 months of surgery improves the range of motion in most patients. However, approximately 1% of patients, including those in which the window for manipulation has passed, will require further surgical interventions, which may include arthroscopy with lysis of adhesions, open debridement with exchange of the polyethylene insert, or revision of one or more components. This review will focus on describing the etiology of the problem and the results of the different surgical interventions for stiffness after total knee replacement.
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Bellemans J, D'Hooghe P, Vandenneucker H, Van Damme G, Victor J. Soft tissue balance in total knee arthroplasty: does stress relaxation occur perioperatively? Clin Orthop Relat Res 2006; 452:49-52. [PMID: 16936582 DOI: 10.1097/01.blo.0000238790.29102.95] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The restoration of correct soft tissue tension is key to achieving a successful total knee arthroplasty. However, it remains unclear whether the status achieved immediately after the operation will persist over time. Some surgeons believe soft tissue stress relaxation occurs and therefore the knee loosens somewhat after the procedure. It was the aim of this study to investigate this hypothesis. We analyzed 25 in vivo total knee implantations using contemporary computer navigation technology to assess and quantify perioperative soft tissue relaxation. Mediolateral joint laxity and maximal passive extension were analyzed immediately intraoperatively and 30 minutes later under the same conditions. Stress relaxation occurred in all cases, leading to increased mediolateral laxity by an average of 1 mm on the medial and lateral sides. Maximal passive extension increased by an average of 3 degrees. This data confirms the hypothesis the knee becomes looser in the early phase after total knee arthroplasty.
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Affiliation(s)
- Johan Bellemans
- University Hospitals of the Catholic University Leuven, Belgium.
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