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Merfort R, Maffulli N, Hofmann UK, Hildebrand F, Simeone F, Eschweiler J, Migliorini F. Head, acetabular liner composition, and rate of revision and wear in total hip arthroplasty: a Bayesian network meta-analysis. Sci Rep 2023; 13:20327. [PMID: 37989863 PMCID: PMC10663607 DOI: 10.1038/s41598-023-47670-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 11/16/2023] [Indexed: 11/23/2023] Open
Abstract
Total hip arthroplasty (THA) is a common procedure for patients suffering from hip pain e.g. from osteoarthritis, osteonecrosis, or hip fractures. The satisfaction of patients undergoing THA is influenced by the choice of implant type and material, with one key factor being the selection of the appropriate material combination for the bearing surface. In this Bayesian network meta-analysis, we investigated the impact of material combinations for the bearing surface on the longevity of hip implants. The wear penetration rate per year and the total wear penetration in the liner resulting from different material combinations, as well as the survival rate at last follow-up, were examined. We analyzed a total of 663,038 THAs, with 55% of patients being women. Mean patient age was 59.0 ± 8.1 years and mean BMI 27.6 ± 2.6 kg/m2. The combination of an aluminium oxide (Al2O3) head and an Al2O3 liner demonstrated the lowest wear penetration at last follow-up and the lowest rate of wear penetration per year. Additionally, the combination of a crosslinked polyethylene (XLPE) liner and a zircon oxide (ZrO2) head demonstrated the lowest rate of revision at last follow-up. These findings underscore the importance of careful material selection for hip implant bearing surfaces to optimize their longevity and patient satisfaction after THA.
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Affiliation(s)
- Ricarda Merfort
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Hospital, 52074, Aachen, Germany
| | - Nicola Maffulli
- Department of Medicine and Psicology, University La Sapienza, Rome, Italy
- Faculty of Medicine, School of Pharmacy and Bioengineering, Keele University, Thornburrow Drive, Stoke-on-Trent, England, UK
- Centre for Sports and Exercise Medicine, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Mile End Hospital, 275 Bancroft Road, London, E1 4DG, England, UK
| | - Ulf Krister Hofmann
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Hospital, 52074, Aachen, Germany
| | - Frank Hildebrand
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Hospital, 52074, Aachen, Germany
| | - Francesco Simeone
- Department of Orthopaedic and Trauma Surgery, Academic Hospital of Bolzano (SABES-ASDAA), Teaching Hospital of the Paracelsus Medical University, 39100, Bolzano, Italy
| | - Jörg Eschweiler
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Hospital, 52074, Aachen, Germany
| | - Filippo Migliorini
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Hospital, 52074, Aachen, Germany.
- Department of Orthopaedic and Trauma Surgery, Academic Hospital of Bolzano (SABES-ASDAA), Teaching Hospital of the Paracelsus Medical University, 39100, Bolzano, Italy.
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Zheng C, Xu J, Wu L, Wu Y, Liu Y, Shen B. Comparisons of Different Bearing Surfaces in Cementless Total Hip Arthroplasty: A Systematic Review and Bayesian Network Analysis. J Arthroplasty 2023; 38:600-609. [PMID: 36265721 DOI: 10.1016/j.arth.2022.10.016] [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: 08/11/2022] [Revised: 10/06/2022] [Accepted: 10/11/2022] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND We aimed to make comparisons of different bearing surfaces in patients after cementless total hip arthroplasty. METHODS The network meta-analysis was guided by the Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) guideline. The primary outcomes were implant survival and Harris hip score (HHS). Secondary outcomes included linear wear rates and serum level of metal ions. Subgroup analyses were performed by: (1) classifying head sizes as small and large; (2) femoral heads as ceramic and metal; and (3) liners as metal, ceramic, polyethylene, highly cross-linked polyethylene (HXP), or vitamin E-infused highly cross-linked polyethylene (HXPE). A total of 64 eligible RCTs with different bearings were assessed. Overall inconsistency and heterogeneity were acceptable. RESULTS In the 10 years follow-up, metal-on-polythene and ceramic-on-polythene bearings with small heads showed higher risk for revisions compared with metal-on-HXP and ceramic-on-HXP bearings with small heads. Similarly, only metal or ceramic-on-polythene bearings with small heads showed inferiority in HHS compared with other bearings. Conventional polyethylene liners showed higher linear wear rates compared with HXP, HXPE, and ceramic liners at 5 and 10 years after surgery, while metal-on-metal and ceramic-on-metal bearings showed higher serum level of cobalt and chromium. CONCLUSION Bearings containing HXP, HXPE, and ceramic liners showed comparable survivorship and hip function at follow-up of 5 and 10 years. Hard-on-hard bearings containing metal had higher serum level of metal ions than others. Bearings containing conventional polyethylene had worse performance in terms of implant survival, hip function, and wear rates. LEVEL OF EVIDENCE Level I.
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Affiliation(s)
- Che Zheng
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Jiawen Xu
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Liming Wu
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Yuangang Wu
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Yuan Liu
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Bin Shen
- Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
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Stolarczyk A, Stolarczyk M, Oleksy Ł, Maciąg GJ, Stępiński P, Szymczak J, Świercz M, Żarnovsky K, Mostowy M, Maciąg BM. Analysis of biomechanical gait parameters in patients after total hip replacement operated via anterolateral approach depending on size of the femoral head implant: retrospective matched-cohort study. Arch Orthop Trauma Surg 2022; 142:4015-4023. [PMID: 34837506 PMCID: PMC9596593 DOI: 10.1007/s00402-021-04264-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 11/14/2021] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Total hip replacement (THR) is considered one of the most effective medical procedures in treatment of osteoarthritis. Since its introduction, there has been a worldwide debate over proper implant selection in terms of size, bearing type and shape. Following study was designed to assess the importance of femoral head size in long-term follow-up. MATERIALS AND METHODS A cohort of 30 patients with primary end stage osteoarthritis who underwent total hip replacement was analysed retrospectively. A homogenous group was chosen with no major differences in BMI. Patients' gait parameters were measured in a biomechanics laboratory using the 3D BTS Smart system. WOMAC and VAS questionnaires were used to assess patient reported outcome. RESULTS The subgroup with larger implant head size had several outcomes significantly superior to the subgroup with standard head size and non-inferior to healthy hips. Following variables were measured during this study: time of support phase, time of swing phase, double support time, walking hip extension angle. CONCLUSIONS Use of larger sized femoral heads during THR gives better results in terms of gait pattern. Since restoring the gait pattern is one of the aspects of rehabilitation and returning to daily activities it seems to be an important observation.
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Affiliation(s)
- Artur Stolarczyk
- Department of Orthopedics and Rehabilitation, Medical University of Warsaw, Warsaw, Poland
| | - Magda Stolarczyk
- 3rd Clinic of Internal Medicine and Cardiology, Medical University of Warsaw, Warsaw, Poland
| | - Łukasz Oleksy
- Department of Orthopedics and Rehabilitation, Medical University of Warsaw, Warsaw, Poland
| | - Grzegorz J. Maciąg
- Department of Orthopedics and Rehabilitation, Medical University of Warsaw, Warsaw, Poland
| | - Piotr Stępiński
- Department of Orthopedics and Rehabilitation, Medical University of Warsaw, Warsaw, Poland
| | - Jakub Szymczak
- Department of Orthopedics and Rehabilitation, Medical University of Warsaw, Warsaw, Poland
| | - Maciej Świercz
- Department of Orthopedics and Rehabilitation, Medical University of Warsaw, Warsaw, Poland
| | - Krystian Żarnovsky
- Department of Orthopedics and Rehabilitation, Medical University of Warsaw, Warsaw, Poland
| | | | - Bartosz M. Maciąg
- Department of Orthopedics and Rehabilitation, Medical University of Warsaw, Warsaw, Poland
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Abstract
The use of larger femoral head size in total hip arthroplasty (THA) has increased during the past decade; 32 mm and 36 mm are the most commonly used femoral head sizes, as reported by several arthroplasty registries.The use of large femoral heads seems to be a trade-off between increased stability and decreased THA survivorship.We reviewed the literature, mainly focussing on the past 5 years, identifying benefits and complications associated with the trend of using larger femoral heads in THA.We found that there is no benefit in hip range of movement or hip function when head sizes > 36 mm are used.The risk of revision due to dislocation is lower for 36 mm or larger bearings compared with 28 mm or smaller and probably even with 32 mm.Volumetric wear and frictional torque are increased in bearings bigger than 32 mm compared with 32 mm or smaller in metal-on-cross-linked polyethylene (MoXLPE) THA, but not in ceramic-on-XLPE (CoXLPE).Long-term THA survivorship is improved for 32 mm MoXLPE bearings compared with both larger and smaller ones.We recommend a 32 mm femoral head if MoXLPE bearings are used. In hips operated on with larger bearings the use of ceramic heads on XLPE appears to be safer. Cite this article: EFORT Open Rev 2018;3 DOI: 10.1302/2058-5241.3.170061.
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Affiliation(s)
- Georgios Tsikandylakis
- Department of Orthopaedics, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
- Swedish Hip Arthroplasty Register, Gothenburg, Sweden
| | - Maziar Mohaddes
- Department of Orthopaedics, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
- Swedish Hip Arthroplasty Register, Gothenburg, Sweden
| | - Peter Cnudde
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
- Swedish Hip Arthroplasty Register, Gothenburg, Sweden
- Department of Orthopaedics, Prince Philip Hospital, HDUHB, Wales
| | - Antti Eskelinen
- Coxa Hospital for Joint Replacement, Tampere, Finland
- Finnish Arthroplasty Register, Helsinki, Finland
| | - Johan Kärrholm
- Department of Orthopaedics, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
- Swedish Hip Arthroplasty Register, Gothenburg, Sweden
| | - Ola Rolfson
- Department of Orthopaedics, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
- Swedish Hip Arthroplasty Register, Gothenburg, Sweden
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Pijls BG, Meessen JMTA, Schoones JW, Fiocco M, van der Heide HJL, Sedrakyan A, Nelissen RGHH. Increased Mortality in Metal-on-Metal versus Non-Metal-on-Metal Primary Total Hip Arthroplasty at 10 Years and Longer Follow-Up: A Systematic Review and Meta-Analysis. PLoS One 2016; 11:e0156051. [PMID: 27295038 PMCID: PMC4905643 DOI: 10.1371/journal.pone.0156051] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2016] [Accepted: 05/09/2016] [Indexed: 11/19/2022] Open
Abstract
IMPORTANCE There are concerns about increased mortality in patients with metal-on-metal bearings in total hip arthroplasty (THA). OBJECTIVE To determine the mortality and the morbidity in patients with metal-on-metal articulations (MOM THA) compared to patients with non-metal-on-metal articulations (non-MOM THA) after primary total hip arthroplasty. DATA SOURCES Search of PubMed, MEDLINE, EMBASE, Web of Science, Cochrane, CINAHL, AcademicSearchPremier, ScienceDirect, Wiley and clinical trial registers through March 2015, augmented by a hand search of references from the included articles. No language restrictions were applied. STUDY SELECTION Two reviewers screened and identified randomised controlled trials and observational studies of primary total hip arthroplasty comparing MOM THA with non-MOM THA. DATA EXTRACTION AND SYNTHESIS Two reviewers independently extracted study data and assessed risk of bias. Risk differences (RD) were calculated with random effect models. Meta-regression was used to explore modifying factors. MAIN OUTCOMES AND MEASURES Difference in mortality and difference in morbidity expressed as revisions and medical complications between patients with MOM THA and non-MOM THA. RESULTS Forty-seven studies were included, comprising 4,000 THA in randomised trials and over 500,000 THA in observational studies. For mortality, random effects analysis revealed a higher pooled RD of 0.7%, 95%, confidence interval (CI) [0.0%, 2.3%], I-square 42%; the heterogeneity was explained by differences in follow-up. When restricted to studies with long term follow-up (i.e. 10 years or more), the RD for mortality was 8.5%, 95%, CI [5.8%, 11.2%]; number needed to treat was 12. Further subgroup analyses and meta-regression random effects models revealed no evidence for other moderator variables (study level covariates, e.g. resurfacing vs. non-resurfacing MOM) than follow-up duration. The quality of the evidence presented in this meta-analysis was characterized as moderate according to the CLEAR-NPT (for non-pharmacological trials) and Cochrane risk of bias Table. CONCLUSIONS AND RELEVANCE Meta-analysis suggests there may be an increased long-term risk of mortality and revision surgery for patients with MOM THA compared to patients with non-MOM THA. REGISTRATION PROSPERO 2014:CRD42014007417.
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Affiliation(s)
- B G Pijls
- Department of Orthopaedics, Leiden University Medical Center, Leiden, The Netherlands
| | - J M T A Meessen
- Department of Orthopaedics, Leiden University Medical Center, Leiden, The Netherlands
| | - J W Schoones
- Walaeus Library, Leiden University Medical Centre, Leiden, The Netherlands
| | - M Fiocco
- Department of Medical Statistics, Leiden University Medical Center, Leiden, The Netherlands
- Mathematical Institute, Leiden University, Leiden, The Netherlands
| | - H J L van der Heide
- Department of Orthopaedics, Leiden University Medical Center, Leiden, The Netherlands
| | - A Sedrakyan
- FDA Medical Device Epidemiology (MDEpiNet) Science and Infrastructure Center, U.S. Food and Drug Administration, Silver Spring, MD, United States of America
- Department of Healthcare Policy and Research, Weill Cornell Medical College, New York, NY, United States of America
| | - R G H H Nelissen
- Department of Orthopaedics, Leiden University Medical Center, Leiden, The Netherlands
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6
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Jameson SS, Mason JM, Baker PN, Gregg PJ, Deehan DJ, Reed MR. No functional benefit of larger femoral heads and alternative bearings at 6 months following primary hip replacement. Acta Orthop 2015; 86:32-40. [PMID: 25301437 PMCID: PMC4366669 DOI: 10.3109/17453674.2014.972259] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND AND PURPOSE There has been a recent trend towards the use of greater femoral head sizes in an attempt to improve function and enhance stability after primary hip replacement. This has been associated with the use of alternative bearings, theoretically to reduce wear and improve implant longevity. METHODS We examined the influence of these variables on patient-reported outcome measures (PROMs) for a consecutive series of primary hip replacements using National Joint Registry (NJR) and PROMs-linked data. To minimize the confounding influence of implant design factors, the single most commonly used brand in England and Wales (DePuy Corail Pinnacle) was examined. Improvement in patient hip-specific outcomes (Oxford hip score, OHS), general health outcomes (Euroqol, EQ-5D), and rates of self-reported complications (bleeding, wound problems, re-admission, and reoperation) were compared for different head sizes (28-mm, 32-mm, and 36-mm) and bearings (metal-on-polyethylene (MoP), ceramic-on-polyethylene (CoP), and ceramic-on-ceramic (CoC)), adjusting for differences in case mix. RESULTS At a mean follow-up of 7 months, improvements in OHS and EQ5D index were similar for 28-mm and 36-mm heads. A 32-mm head was associated with poorer function (OHS: 20, 99% CI: 19-21, p = 0.002; EQ5D index: 0.39, 99% CI: 0.36-0.42, p = 0.004), although these small differences may not be of clinical importance. There were no statistically significant benefits of either CoP or CoC bearings compared to a MoP bearing. Complication rates were similar within comparisons of head sizes or bearings. INTERPRETATION In this short-term study, we did not find any functional benefits of larger head sizes or alternative bearings, after adjusting for other influences. We question their use in routine primary hip replacement given the lack of evidence of improved long-term survival in the literature.
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Affiliation(s)
- Simon S Jameson
- The National Joint Registry for England and Wales,School of Medicine, Pharmacy and Health, Durham University, Queen’s Campus, Stockton-on-Tees
| | - James M Mason
- School of Medicine, Pharmacy and Health, Durham University, Queen’s Campus, Stockton-on-Tees
| | - Paul N Baker
- The National Joint Registry for England and Wales
| | - Paul J Gregg
- The National Joint Registry for England and Wales
| | - David J Deehan
- Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne
| | - Mike R Reed
- Northumbria Healthcare NHS Foundation Trust, Ashington, Northumberland, UK
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