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Jacob B, Jacob N, Röhner E, Wassilew G, Matziolis G, Heinecke M. Reconstruction of mechanical leg axis using non-modular cemented hinged prosthesis in complex primary total knee arthroplasty. Arch Orthop Trauma Surg 2024; 144:3607-3613. [PMID: 38987503 PMCID: PMC11417076 DOI: 10.1007/s00402-024-05409-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 06/18/2024] [Indexed: 07/12/2024]
Abstract
PURPOSE Modular cementless knee arthroplasty systems are capable of precise reconstruction of the mechanical axis. However, they are considered more susceptible to complications. In contrast, non-modular cemented systems are said to be more forgiving and show good long-term results. The aim of this study was to investigate the resulting leg axis after implantation of a non-modular cemented rotating hinged knee prosthesis. Furthermore, potential risk factors for the occurrence of malalignment and complications should be identified. METHODS Between 2005 and 2015, 115 patients could be included in this monocentric retrospective cohort study. All patients underwent primary hinged non-modular cemented total knee arthroplasty. Preoperative and postoperative standardized long radiographs were analysed to determine resulting leg axis. Furthermore, epidemiological and intraoperative data as well as perioperative complications were surveyed. RESULTS Average leg axis was 5.8° varus preoperatively and 0.6° valgus postoperatively. Considering an axis deviation of 3° as the target corridor, 27% of all cases examined were outside the desired range. 21% cases showed a femoral deviation from the target corridor and 15% showed a tibial deviation. There was a significant relationship between the preoperative mLDFA and the mechanical alignment of the femoral component (R = 0.396, p < 0.001) as well as between the preoperative mMPTA and the mechanical alignment of the tibial component (R = 0.187, p = 0.045). The mean operative duration was 96 min. No periprosthetic fractures were observed within the study cohort. CONCLUSION The main result of the present work is that a non-modular cemented rotating hinged knee arthroplasty system can reconstruct the mechanical leg axis precisely and comparable to modular cementless and unconstrained total knee prostheses. Component malalignment is primarily dependent upon extraarticular deformity preoperatively. Periprosthetic fracture rates and duration of surgery were lower compared with current literature. LEVEL OF EVIDENCE Level III: Retrospective cohort study.
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Affiliation(s)
- Benjamin Jacob
- Orthopaedic Department Waldkliniken Eisenberg, University Hospital Jena, Campus Eisenberg, Eisenberg, Germany.
| | - Nadja Jacob
- Orthopaedic Department Waldkliniken Eisenberg, University Hospital Jena, Campus Eisenberg, Eisenberg, Germany
| | - Eric Röhner
- Orthopaedic Department of the Heinrich-Braun-Hospital Zwickau, Campus Eisenberg, Klosterlausnitzer Straße 81, 07607, Eisenberg, Germany
| | - Georgi Wassilew
- Department of Orthopaedic Surgery, University Hospital Greifswald, Greifswald, Germany
| | - Georg Matziolis
- Orthopaedic Department Waldkliniken Eisenberg, University Hospital Jena, Campus Eisenberg, Eisenberg, Germany
| | - Markus Heinecke
- Orthopaedic Department Waldkliniken Eisenberg, University Hospital Jena, Campus Eisenberg, Eisenberg, Germany
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Garrido-Ferrera JF, Marquina-Moraleda V, Marco-Díaz L, Colomina-Rodríguez R, Hernández-Ferrando L. [GMK rotating hinge prosthesis. A valid option for complex revision knee prosthetic surgery]. ACTA ORTOPEDICA MEXICANA 2024; 38:149-154. [PMID: 38862144 DOI: 10.35366/115809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
INTRODUCTION revision joint replacement surgery presents a surgical challenge. The use of rotating hinge prostheses is an option in patients with femorotibial bone defects, ligament insufficiency, or significant deformities. The aim of this study was to evaluate the clinical, functional, and radiological outcomes of a series of patients who underwent surgery using the GMK Hinge (Medacta®) rotational hinge model. MATERIAL AND METHODS a descriptive, retrospective, and analytical study was conducted on a series of 36 patients, with a mean age of 72.5 years (47-85), operated on by the same surgical team between January 2015 and January 2022. The etiology of revision was chronic infection in 38.9% of cases, instability in 33.3%, aseptic loosening in 19.4%, and stiffness in 8.4%. The Knee Society Score (KSS) and the Forgotten Joint Score (FJS) were used to assess functional outcomes. The degree of femorotibial bone defect was evaluated using the Anderson Orthopaedic Research Institute (AORI) classification. Postoperative complications are also recorded. RESULTS a total of 36 patients, 17 males and 19 females, were included, with a mean follow-up of 30 months (12-66). Twelve patients had type 1 defects, ten had 2A defects, ten had 2B defects, and two had type 3 defects on the femoral side, with the use of wedges required for asymmetrical defects (21 patients). The predominant tibial defect was type 1 without the need for wedges. The majority achieved a satisfactory outcome on the KSS scale (72.2 ± 9.4), with significant differences compared to the previous KSS (54.3 ± 8.9). A score of 31 (12-67) was also obtained on the FJS scale. Postoperative complications were present in 16.7% of patients. CONCLUSIONS complex prosthetic revision surgery using a rotating hinge prosthesis represents a suitable therapeutic option, yielding appropriate clinical and functional outcomes, albeit not without complications.
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Affiliation(s)
- J F Garrido-Ferrera
- Departamento de Cirugía Ortopédica y Traumatología. Consorcio Hospital General Universitario de Valencia. España
| | - V Marquina-Moraleda
- Departamento de Cirugía Ortopédica y Traumatología. Consorcio Hospital General Universitario de Valencia. España
| | - L Marco-Díaz
- Departamento de Cirugía Ortopédica y Traumatología. Consorcio Hospital General Universitario de Valencia. España
| | - R Colomina-Rodríguez
- Departamento de Cirugía Ortopédica y Traumatología. Consorcio Hospital General Universitario de Valencia. España
| | - L Hernández-Ferrando
- Departamento de Cirugía Ortopédica y Traumatología. Consorcio Hospital General Universitario de Valencia. España
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Minamoto STN, Mozella ADP, Cossich VRA, Gavilão UF, Machado HS, Barretto JM. Comparative Functional and Isokinetic Analysis between Implants with Posterior Stabilization and Rotating Hinge Total Knee Arthroplasty. Rev Bras Ortop 2024; 59:e68-e75. [PMID: 38524713 PMCID: PMC10957273 DOI: 10.1055/s-0044-1779685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 06/26/2023] [Indexed: 03/26/2024] Open
Abstract
Objective : To compare the function and muscle strength of the limb between patients undergoing knee arthroplasties using primary implants with posterior stabilization (control group) and patients with rotating hinge implants (Hinge group). Methods : Function assessment was performed using the Knee Society Score (KSS) and muscle strength using an isokinetic dynamometer using a speed of 60°/s. Results : 43 patients were analyzed, who underwent 51 surgeries, with the Hinge group comprising 25 surgeries and the control group comprising 26 primary surgeries. We did not observe significant differences between the Hinge and control groups in the values of functional KSS (p = 0.54), objective KSS (p = 0.91), peak flexor torque (p = 0.25) and peak extensor torque (p = 0.08). Patients in the Hinge group who underwent primary arthroplasties had a higher peak flexor torque (0.76 Nm/kg) than those who used the implant in revision after septic failure (0.33 Nm/kg) (p < 0.05). The constrained implant was indicated in arthroplasty revision surgeries with severe ligament instability and in cases of complex primary arthroplasties with bone destruction or severe coronal deformity in the coronal plane. Conclusion : The use of constrained implants enables joint function and muscle strength comparable to patients who underwent primary arthroplasty using conventional implants with posterior stabilization. Patients undergoing septic revision with a rotating Hinge prosthesis exhibit lower flexor muscle strength compared to those undergoing primary arthroplasty with a constrained implant.
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Affiliation(s)
| | - Alan de Paula Mozella
- Centro de Cirurgia do Joelho do Instituto Nacional de Traumatologia e Ortopedia. Rio de Janeiro, RJ, Brasil
| | | | - Ubiratã Faleiro Gavilão
- Centro de Cirurgia do Joelho do Instituto Nacional de Traumatologia e Ortopedia. Rio de Janeiro, RJ, Brasil
| | - Heitor Schuabb Machado
- Centro de Cirurgia do Joelho do Instituto Nacional de Traumatologia e Ortopedia. Rio de Janeiro, RJ, Brasil
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Schlechter M, Theil C, Gosheger G, Moellenbeck B, Schwarze J, Puetzler J, Bockholt S. Good Mid-Term Implant Survival of a Novel Single-Design Rotating-Hinge Total Knee Arthroplasty. J Clin Med 2023; 12:6113. [PMID: 37834758 PMCID: PMC10573219 DOI: 10.3390/jcm12196113] [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: 09/07/2023] [Revised: 09/19/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023] Open
Abstract
BACKGROUND Rotating-hinge knee (RHK) implants are an option for knee arthroplasty in cases of instability or severe bone loss. However, the revision rate can be increased compared to unconstrained implants which mandate improvements in implant design. This study investigates a novel RHK design for total knee arthroplasty (TKA). METHODS Retrospective analysis of a single design RHK TKA (GenuX MK, Implantcast) implanted between 2015 and 2019 including 133 patients (21 primary TKA, 112 revisions). The main indication for revision TKA was second-stage reimplantation following infection. The median follow-up amounted to 30 months (IQR 22-47). RESULTS In total, 13% (18/133) of patients underwent revision surgery after a mean time of 1 month (IQR 0-6). The main reason for the revision was (re-) infection in 8% of patients. All revisions were performed following revision TKA and none following primary TKA. There were no revision surgeries for loosening or instability. The revision-free implant survival of 83% was (95% CI 75-91%) after five years. A higher number of previous surgeries was associated with a greater revision risk (p = 0.05). CONCLUSION Revision and complex primary TKA using a single-design RHK implant results in good implant survival at mid-term follow-up although infection remains a major concern.
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Affiliation(s)
- Matthias Schlechter
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany; (M.S.); (S.B.)
- Department of Orthopedics, St. Elisabeth Hospital Damme, Lindenstraße 3-7, 49401 Damme, Germany
| | - Christoph Theil
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany; (M.S.); (S.B.)
| | - Georg Gosheger
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany; (M.S.); (S.B.)
| | - Burkhard Moellenbeck
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany; (M.S.); (S.B.)
| | - Jan Schwarze
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany; (M.S.); (S.B.)
| | - Jan Puetzler
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany; (M.S.); (S.B.)
| | - Sebastian Bockholt
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany; (M.S.); (S.B.)
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Miralles-Muñoz FA, Pineda-Salazar M, Rubio-Morales M, González-Parreño S, Ruiz-Lozano M, Lizaur-Utrilla A. Similar outcomes of constrained condylar knee and rotating hinge prosthesis in revision surgery for extension instability after primary total knee arthroplasty. Orthop Traumatol Surg Res 2022; 108:103265. [PMID: 35257946 DOI: 10.1016/j.otsr.2022.103265] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 12/08/2021] [Accepted: 01/04/2022] [Indexed: 02/03/2023]
Abstract
BACKGROUND Instability is one of the most common reasons for total knee arthroplasty (TKA) failure. Constrained prosthesis can be used for significant ligamentous laxity, but there is not much evidence on the appropriate level of restriction for unstable varus-valgus TKA. The objective of this study was to compare the outcome and survival at a minimum follow-up of five years between rotating hinge knee prosthesis (RHK) and constrained condylar knee prosthesis (CCK) for extension instability following primary TKA. HYPOTHESIS For symptomatic extension instability after primary TKA, good functional outcomes and survival can be achieved with both designs. MATERIAL AND METHODS Consecutive patients with unstable primary TKA who underwent revision with either RHK (n=34) or CCK (n=30) were retrospectively compared. Assessments were performed by the Knee Society Scores (KSS), and visual analogue scales (VAS) for pain and patient satisfaction. Radiological evaluation was made. Complications and re-operations were analyzed. RESULTS Mean post-operative follow-up was 10.3 (range 5-16) years for both groups. At the final follow-up, there was no significant difference between groups in the KSS-knee (p=0.228) or KSS-function (p=0.324) score, VAS-pain (p=0.563), VAS-satisfaction (p=0.780), major complication rate (p=0.194), or TKA survival at 10 years (p=0.091). CONCLUSION The present study showed comparable good functional outcomes and survival at long-term between RHK and CCK arthroplasties. Both designs can be recommended for revision of total knee arthroplasty with symptomatic extension instability. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Francisco A Miralles-Muñoz
- Department of Orthopaedic Surgery, Elda University Hospital, Ctra Elda-Sax s/n, Elda 03600, Alicante, Spain.
| | - Manuel Pineda-Salazar
- Department of Orthopaedic Surgery, Elda University Hospital, Ctra Elda-Sax s/n, Elda 03600, Alicante, Spain
| | - Marta Rubio-Morales
- Department of Orthopaedic Surgery, Elda University Hospital, Ctra Elda-Sax s/n, Elda 03600, Alicante, Spain
| | - Santiago González-Parreño
- Department of Orthopaedic Surgery, Elda University Hospital, Ctra Elda-Sax s/n, Elda 03600, Alicante, Spain
| | - Matías Ruiz-Lozano
- Department of Orthopaedic Surgery, Elda University Hospital, Ctra Elda-Sax s/n, Elda 03600, Alicante, Spain
| | - Alejandro Lizaur-Utrilla
- Department of Orthopaedic Surgery, Elda University Hospital, Ctra Elda-Sax s/n, Elda 03600, Alicante, Spain; Department of Traumatology and Orthopaedics, Miguel Hernandez University, San Juan de Alicante, Alicante, Spain
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Yeroushalmi D, Laarhoven SV, Tang A, Heesterbeek PJC, Hellemondt GV, Schwarzkopf R. Short- to Midterm Outcomes of a Novel Guided-Motion Rotational Hinged Total Knee Arthroplasty. J Knee Surg 2022; 35:1153-1158. [PMID: 33485277 DOI: 10.1055/s-0040-1722349] [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
Hinged prostheses have been increasingly utilized in complex and revision total knee arthroplasty (TKA) cases requiring additional mechanical support and global stability. However, there is limited data detailing the outcomes of modern hinge designs in these procedures. The aim of this study is to report a minimum 2-year functional outcomes and survivorship of a novel-guided motion-hinged knee TKA system. A multicenter, retrospective cohort study was conducted on consecutive TKA patients between March 2013 and August 2017 with a novel-guided motion-hinged knee system. Demographics, change in range of motion (ΔROM), quality metrics, and implant survivorship were collected with a minimum of 2-year follow-up. Implant survival was analyzed by using the Kaplan-Meier method. Overall, 147 hinged knee cases (18 complex primaries and 129 revisions) were identified with an average follow-up duration of 3.8 ± 1.2 years. Patients presented with an average of 2.4 ± 1.6 prior knee surgeries, and 51 (34.7%) had a history of knee infections. The ROM improved postoperatively: Δ extension = 2 ± 1 degrees, Δflexion = 7 ± 3 degrees, Δtotal ROM = 9 ± 4 degrees. Kaplan-Meier survivorship analysis for implant revision at 2- and 5-year follow-up showed a survival rate of 100 and 98.5% (95% confidence interval: 94.3-99.6%), respectively, with one patient undergoing two-stage revision for infection and another undergoing femoral revision for aseptic loosening. Survivorship for aseptic all-cause reoperation at 2- and 5-year follow-up was 93.2% (87.7-96.3%) and 88.2% (80.0-93.2%), respectively. Fourteen patients underwent aseptic reoperation (patellar complications: n = 7 [4.8%]; instability: n = 5 [3.4%]; tuberosity fixation: n = 1 [0.7%]; extensor mechanism failure: n = 1 [1.1%]). Survivorship for all-cause reoperation at 2- and 5-year follow-up were 85% (78.2-90.0%) and 77.7% (68.8-84.3%), respectively. Fifteen patients underwent reoperation for infection (DAIR: n = 14 (9.5%); two-stage revision: n = 1 [0.7%]). Despite some reoperations, this guided-motion hinged-knee TKA system demonstrates excellent survivorship for component revision compared to other modern hinged knee implants reported in the literature. Patients also displayed an improvement in knee ROM at their latest follow-up.
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Affiliation(s)
| | - Simon Van Laarhoven
- Departments of Research, Development and Education and Orthopaedics, Sint Maartenskliniek, Nijmegen, the Netherlands - Orthopedic, Nijmegen, Netherlands
| | - Alex Tang
- NYU Langone Health, Orthopedic Surgery, New York City, New York
| | - Petra J C Heesterbeek
- Departments of Research, Development and Education and Orthopaedics, Sint Maartenskliniek, Nijmegen, the Netherlands - Orthopedic, Nijmegen, Netherlands
| | - Gijs Van Hellemondt
- Departments of Research, Development and Education and Orthopaedics, Sint Maartenskliniek, Nijmegen, the Netherlands - Orthopedic, Nijmegen, Netherlands
| | - Ran Schwarzkopf
- NYU Langone Health, Orthopedic Surgery, New York City, New York
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Vertesich K, Staats K, Böhler C, Koza R, Lass R, Giurea A. Long Term Results of a Rotating Hinge Total Knee Prosthesis With Carbon-Fiber Reinforced Poly-Ether-Ether-Ketone (CFR-PEEK) as Bearing Material. Front Bioeng Biotechnol 2022; 10:845859. [PMID: 35356773 PMCID: PMC8959897 DOI: 10.3389/fbioe.2022.845859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 02/18/2022] [Indexed: 12/03/2022] Open
Abstract
Background: The use of rotating hinge (RH) prostheses for severe primary as well as revision arthroplasty is widely established. Due to the steadily increasing number of RH prostheses, we aimed to assess the complication frequencies, complication types and clinical outcomes of a modern RH hinge prosthesis using a new bearing material with a minimum follow-up of 7 years. Methods: Fifty-six consecutive patients who received the EnduRo® RH prosthesis using carbon-fiber reinforced poly-ether-ether-ketone (CFR-PEEK) as bearing material were included in this prospective study: 21 patients (37.5%) received the prosthesis as a primary total knee arthroplasty (TKA) and 35 patients (62.5%) underwent revision total knee arthroplasties (rTKA). Clinical and radiographic examinations were performed preoperatively, postoperatively after three and 12 months and annually thereafter. Clinical scores were documented for each patient. Competing risk analysis was assessed with respect to indication and failure mode. Results: Knee Society Score (KSS), Western Ontario and McMaster Osteoarthritis Index (WOMAC), Oxford Knee Score (OKS) and range of motion (ROM) improved significantly compared to preoperative values (p < 0.0001). The overall cumulative incidence for revision surgery was 23.6% at 7 years and the cumulative incidence for complications associated with failure of the prothesis was 5.6% at 7 years, respectively. Complications occurred more frequently in the revision group (p = 0.002). Conclusion: The evaluated RH prosthesis provided reliable and durable results for a minimum follow-up of 7 years. Prosthesis survival was successful considering the complexity of the cases. The use of this RH system in primary patients showed high survival rates and long-term functional outcomes and clinical outcomes proved to be satisfying in both revision and primary cases. No adverse events were associated with the new bearing material CFR-PEEK.
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Sabah SA, Hedge EA, Abram SGF, Alvand A, Price AJ, Hopewell S. Patient-reported outcome measures following revision knee replacement: a review of PROM instrument utilisation and measurement properties using the COSMIN checklist. BMJ Open 2021; 11:e046169. [PMID: 34675009 PMCID: PMC8532560 DOI: 10.1136/bmjopen-2020-046169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 08/24/2021] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVES To identify: (1) patient-reported outcome measures (PROMs) used to evaluate symptoms, health status or quality of life following discretionary revision (or re-revision) knee joint replacement, and (2) validated joint-specific PROMs, their measurement properties and quality of evidence. DESIGN (1) Scoping review; (2) systematic review following the COnsensus-based Standards for selection of health status Measurement INstruments (COSMIN) checklist. DATA SOURCES MEDLINE, Embase, AMED and PsycINFO were searched from inception to 1 July 2020 using the Oxford PROM filter unlimited by publication date or language. ELIGIBILITY CRITERIA FOR SELECTING STUDIES Studies reporting on the development, validation or outcome of a joint-specific PROM for revision knee joint replacement were included. RESULTS 51 studies reported PROM outcomes using eight joint-specific PROMs. 27 out of 51 studies (52.9%) were published within the last 5 years. PROM development was rated 'inadequate' for each of the eight PROMs studied. Validation studies were available for only three joint-specific PROMs: Knee Injury and Osteoarthritis Outcome Score (KOOS), Lower Extremity Activity Scale (LEAS) and Western Ontario and McMaster Universities Arthritis Index (WOMAC). 25 out of 27 (92.6%) measurement properties were rated insufficient, indeterminate or not assessed. The quality of supporting evidence was mostly low or very low. Each of the validated PROMs was rated 'B' (potential for recommendation but require further evaluation). CONCLUSION Joint-specific PROMs are increasingly used to report outcomes following revision knee joint replacement, but these instruments have insufficient evidence for their validity. Future research should be directed toward understanding the measurement properties of these instruments in order to inform clinical trials and observational studies evaluating the outcomes from joint-specific PROMs.
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Affiliation(s)
- Shiraz A Sabah
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Elizabeth A Hedge
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Simon G F Abram
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Abtin Alvand
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Andrew J Price
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Sally Hopewell
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
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Memon N, Iqbal F, Noor SS, Najjad KR, Sozera MF, Abro A, Khan N. Mid-term results and survival rates following a single-design rotating hinge knee arthroplasty in non-tumor conditions in a Pakistani population. Knee Surg Relat Res 2021; 33:15. [PMID: 33947473 PMCID: PMC8097908 DOI: 10.1186/s43019-021-00102-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 04/14/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Information regarding the use of hinged implants in non-oncological conditions is limited in our region due to a lack of adequate data collection and follow-up. The purpose of this study is to evaluate mid-term results and risk factors affecting the survivorship of third-generation rotating hinge knee (RHK) patients in non-oncological conditions. METHODS We retrospectively reviewed 41 single, third-generation, rotating hinge prostheses in three complex primary knee procedures and 38 revision knee surgeries in between 2007 to 2014. Implant survival was assessed using the Kaplan-Meier method. Factors influencing implant survival were identified using the log-rank test. During the study period, clinical results along with complications were assessed. Clinical outcomes were assessed by using the Knee Society Score (KSS). RESULTS RHK arthroplasty was used in 41 patients. Out of 41 patients, a RHK was used in three patients with a complex primary deformed knee whereas in 38 patients, a RHK was used in revision arthroplasty surgery. The cumulative implant survival rate with re-revision due to any cause was found to be 87.8% (95% CI 69.2-90.1) at 5-7 years. Prosthetic joint infection, peri-prosthetic fracture and extensor mechanism complications were the commonest mode of failure. The P value was found to be significant when comparing KSS pre-operatively and post-operatively. CONCLUSION The cumulative implant survival rate was found to be 87.8%. Prosthetic joint infection was the commonest mode of failure in patients who underwent third-generation RHK surgery for variable indications. Being a patient with a high Charlson comorbidity index is the main risk factor associated with failure of the rotating hinge implant.
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Affiliation(s)
- Nouman Memon
- Department of Orthopaedic Surgery, Liaquat National Hospital and Medical College, National Stadium Rd, Sindh, 74800, Karachi, Pakistan
| | - Faizan Iqbal
- Department of Orthopaedic Surgery, Patel Hospital, ST-18 Block 4 Gulshan-e-Iqbal, Sindh, 75300, Karachi, Pakistan.
| | - Syed Shahid Noor
- Department of Orthopaedic Surgery, Liaquat National Hospital and Medical College, National Stadium Rd, Sindh, 74800, Karachi, Pakistan
| | - Kazim Rahim Najjad
- Department of Orthopaedic Surgery, Liaquat National Hospital and Medical College, National Stadium Rd, Sindh, 74800, Karachi, Pakistan
| | - Muhammad Farhan Sozera
- Department of Orthopaedic Surgery, Liaquat National Hospital and Medical College, National Stadium Rd, Sindh, 74800, Karachi, Pakistan
| | - Arsalan Abro
- Department of Orthopaedic Surgery, Liaquat National Hospital and Medical College, National Stadium Rd, Sindh, 74800, Karachi, Pakistan
| | - Noman Khan
- Department of Orthopaedic Surgery, Liaquat National Hospital and Medical College, National Stadium Rd, Sindh, 74800, Karachi, Pakistan
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10
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Houfani F, Mainard D, Rubens-Duval B, Papin PE, Pasquier G, Ehlinger M. Rotating-hinge prosthesis for aseptic revision knee arthroplasty: A multicentre retrospective study of 127 cases with a mean follow-up of five years. Orthop Traumatol Surg Res 2021; 107:102855. [PMID: 33581278 DOI: 10.1016/j.otsr.2021.102855] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 09/06/2020] [Accepted: 09/14/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND The use of third-generation rotating-hinge knee prostheses has increased considerably in recent years. The more anatomical design of these prostheses, together with their controlled rotation system that reduces constraints generated by the single degree of liberty, have produced better outcomes. The objective of this study was to evaluate the clinical and radiological outcomes of revision knee arthroplasty for aseptic failure using rotating-hinge prostheses. HYPOTHESIS The rotating-hinge knee prostheses currently used in France provide significant improvements in function and self-sufficiency of patients undergoing revision knee arthroplasty, with outcomes comparable to those reported with constrained condylar knees. MATERIAL AND METHODS A multicentre retrospective study was conducted in 17 centres, under the auspices of the SoFCOT. The cohort consisted of 127 patients (127 knees) operated on before 2013. The main reasons for knee revision were aseptic loosening, major instability, mechanical failure, and extensor apparatus failure. Function and self-sufficiency were assessed using the International Knee Society (IKS) score and the Devane score, respectively. Survival was defined with all-cause surgical revision as the end point. RESULTS Mean follow-up was 67.3±11.8 months (range, 13-180 months). Significant improvements (p<0.001) were seen in the total IKS score (+42 points), the IKS function score (+12 points), and the knee IKS score (+30 points). Paradoxically, the Devane score decreased by 0.44 point. The 5-year survival rate was 77% (95% confidence interval, 0.70-0.85). Postoperative complications developed in 29% of patients (infection, n=12; aseptic loosening, n=11; and fracture, n=7). DISCUSSION Rotating-hinge prostheses provide satisfactory outcomes of knee arthroplasty revision and remain an effective option for complex cases, confirming our working hypothesis. Self-sufficiency diminishes slightly. The long-term outcomes obtained using rotating-hinge prostheses are, however, less satisfactory than those observed with constrained condylar knees for aseptic TKA revision, and the complication rate is higher, although the population and local circumstances are different. Discernment is therefore in order when determining the indications of rotating-hinge prostheses. LEVEL OF EVIDENCE IV; retrospective cohort study.
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Affiliation(s)
- Fayçal Houfani
- Service de chirurgie orthopédique, traumatologique et arthroscopique, CHRU de Nancy, hôpital central, 29, avenue de Lattre-de-Tassigny, 54000 Nancy, France.
| | - Didier Mainard
- Service de chirurgie orthopédique, traumatologique et arthroscopique, CHRU de Nancy, hôpital central, 29, avenue de Lattre-de-Tassigny, 54000 Nancy, France
| | - Brice Rubens-Duval
- Service de chirurgie orthopédique et de traumatologie du sport, hôpital Sud, CHU de Grenoble-Alpes, 38130 Échirolles, France
| | - Pierre-Emmanuel Papin
- Service de chirurgie orthopédique et traumatologie, CHU de Poitiers, 2, rue de la Milétrie, 86000 Poitiers, France
| | - Gilles Pasquier
- Service d'orthopédie, hôpital Roger-Salengro, place de Verdun, centre hospitalier régional universitaire de Lille, 59037, Lille, France
| | - Matthieu Ehlinger
- Service de chirurgie orthopédique et de traumatologie, CHU de Hautepierre, hôpitaux universitaires de Strasbourg, 1, avenue Molière, 67098 Strasbourg cedex, France
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- SoFCOT, 56, rue Boissonade, 75014 Paris, France
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Revision arthroplasty with rotating hinge systems for total knee arthroplasty instability. OPERATIVE ORTHOPADIE UND TRAUMATOLOGIE 2020; 32:298-308. [PMID: 32472245 DOI: 10.1007/s00064-020-00663-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 11/28/2019] [Accepted: 12/03/2019] [Indexed: 10/24/2022]
Abstract
OBJECTIVE Restoring stability after total knee arthroplasty (TKA) and improving joint function using a cemented rotating hinge system. INDICATIONS Ligament instability and/or osseous defects (including Anderson Orthopaedic Research Institute [AORI] classification type II defects) after primary TKA or TKA revision surgery. CONTRAINDICATIONS Distal femoral or proximal tibial bowing requiring implant systems that provide femoral or tibial offset stems. Persistent periprosthetic infection. Poor therapeutic compliance. AORI type III defects. SURGICAL TECHNIQUE Medial arthrotomy. Femoral and tibial component removal with small saw blades and chisels. Intramedullary alignment for the tibial and femoral cuts. Debridement and removal of membranes and cement remnants. Reconstruction of joint line and correct TKA alignment. Trial reduction. Cement fixation. POSTOPERATIVE MANAGEMENT Unrestricted range of motion, partial weight bearing for 4 weeks. RESULTS Between 2012 and 2013, 18 patients suffering from ligament insufficiency after TKA were revised using the described system and included in a prospective study protocol. The mean follow-up was 37 months (range 30-46 months). There was a significant improvement of the Oxford Knee Score (OKS) from 19 (range 7-29) preoperatively to 29 (range 10-45) postoperatively (p = 0.004). The Knee Society Score (KSS) knee assessment subscore improved from 35 (range 9-70) to 67 (range 35-97) (p = 0.002) and the pain score from 7 (range 0-50) to 24 (range 0-50) (p = 0.008).
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Abstract
Possible indications for a rotating hinge or pure hinge implant in primary total knee arthroplasty (TKA) include collateral ligament insufficiency, severe varus or valgus deformity (> 20°) with relevant soft-tissue release, relevant bone loss, including insertions of collateral ligaments, gross flexion-extension gap imbalance, ankylosis and hyperlaxity. The use of hinged implants in primary TKA should be limited to the aforementioned selected indications, especially for elderly patients. Potential indications for a rotating hinge or pure hinge implant in revision TKA include infection, aseptic loosening, instability and bone loss. Rotating hinge knee implants have a 10-year survivorship in the range of 51% to 92.5%. Complication rates of rotating hinge knee implants are in the range of 9.2% to 63%, with infection and aseptic loosening as the most common complications. Although the results reported in the literature are inconsistent, clinical results generally depend on the implant design, appropriate technical use and adequate indications. Considering that the revision of implants with long cemented stems can be challenging, in the future it would be better to use shorter stems in modular versions of hinged knee implants.
Cite this article: EFORT Open Rev 2019;4:121-132. DOI: 10.1302/2058-5241.4.180056
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Park CH, Bae JK, Song SJ. Factors affecting the choice of constrained prostheses when performing revision total knee arthroplasty. INTERNATIONAL ORTHOPAEDICS 2018; 43:1831-1840. [PMID: 30327936 DOI: 10.1007/s00264-018-4200-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 10/08/2018] [Indexed: 10/28/2022]
Abstract
PURPOSE The purposes of the present study were to assess the levels of prosthetic constraint chosen during revision total knee arthroplasty (TKA) and to identify factors influencing the choice of a constrained prosthesis. METHODS We retrospectively reviewed data on 274 revision TKAs. The mean follow-up period after revision TKA was 7.2 years. The femorotibial angle (FTA), joint line height (JLH), and Insall-Salvati ratio (ISR) were radiographically evaluated. Factors affecting the extent of constraint chosen were evaluated in terms of age, gender, body mass index, primary diagnosis, the cause of revision TKA, the Anderson Orthopedic Research Institute (AORI) classification, and changes in the JLH and ISR. RESULTS Totals of 247 (90.1%), 11 (4.0%), and 9 (3.4%) knees received posteriorly stabilized prostheses, constrained condylar knees, and rotating hinge prostheses, respectively. On multivariate analysis, the cause of revision TKA including loosening and instability and the changes in the JLH and ISR affected independently the choice of a constrained prosthesis. CONCLUSIONS The frequency of implantation of constrained prostheses was 7.4% in the present study. Consideration of various factors including the cause of revision TKA and changes in the JLH and ISR will aid the TKA surgeon in selecting prostheses with appropriate constraints when performing revision TKAs.
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Affiliation(s)
- Cheol Hee Park
- Department of Medicine, Graduate School, Kyung Hee University, Seoul, South Korea
| | - Jung Kwon Bae
- Department of Orthopaedic Surgery, College of Medicine, Kyung Hee University, 26 Kyunghee-daero, Dongdaemun-gu, Seoul, 130-701, South Korea
| | - Sang Jun Song
- Department of Orthopaedic Surgery, College of Medicine, Kyung Hee University, 26 Kyunghee-daero, Dongdaemun-gu, Seoul, 130-701, South Korea.
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