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Sicat CS, Singh V, Muthusamy N, Spano PJ, Nezwek TA, Huynh K, Schwarzkopf R. Role of femoral head material on readmission and mortality rates following elective primary total hip arthroplasty in Medicare patients. Arch Orthop Trauma Surg 2024; 144:459-464. [PMID: 37615684 DOI: 10.1007/s00402-023-05027-1] [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: 03/07/2023] [Accepted: 08/09/2023] [Indexed: 08/25/2023]
Abstract
INTRODUCTION The role of different femoral head materials for total hip arthroplasty (THA) has been widely studied in the context of wear properties and corrosion. Cobalt chrome (CoCr) femoral heads are commonly used as a standard of comparison to other materials such as ceramic and oxidized zirconium (OxZi). This study aims to evaluate the impact of femoral head material on clinical outcomes in elective primary THA patients. METHODS Retrospective analysis of THA patients within the Medicare claims database between October 2017 and September 2020 using diagnosis-related group codes was conducted. Information collected included sex, age, Charlson Comorbidity Index, and femoral head type. Patients with CoCr femoral heads were compared against patients with either OxZi or ceramic femoral heads using 1:1 propensity score matching. Z-testing and Chi-square analysis were used to determine between-group significance. RESULTS In total, 112,960 elective THA patients were included, with 56,480 in OxZi or ceramic and 56,480 in CoCr. Readmission rates were lower in patients that received OxZi or ceramic femoral heads at 30-day (p < 0.0001), 60-day (p < 0.0001), and 90-day postoperatively (p < 0.0001) compared to CoCr. Mortality rates were also lower in patients that received OxZi or ceramic femoral heads at 30-day (p = 0.004), 60-day (p = 0.018), and 90-day postoperatively (p = 0.009) compared to CoCr. CONCLUSION CoCr femoral heads had higher rates of readmissions and mortality compared to OxZi or ceramic. Further analysis of bearing surface combinations and sub-group analyses to determine significance between-group differences is needed. LEVEL III EVIDENCE Retrospective analysis.
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Affiliation(s)
- Chelsea Sue Sicat
- Department of Orthopedic Surgery, NYU Langone Health, 301 East 17Th Street, New York, NY, 10003, USA
| | - Vivek Singh
- Department of Orthopedic Surgery, NYU Langone Health, 301 East 17Th Street, New York, NY, 10003, USA
- Department of Orthopaedic Surgery, Dignity Health-St. Joseph's Medical Center, 1800 N California Street, Stockton, CA, 95204, USA
| | - Nishanth Muthusamy
- Department of Orthopedic Surgery, NYU Langone Health, 301 East 17Th Street, New York, NY, 10003, USA
| | - Paul J Spano
- Department of Orthopaedic Surgery, Broward Health Medical Center, 1600 S Andrews Ave, Fort Lauderdale, FL, 33316, USA
| | - Trevor A Nezwek
- Department of Orthopaedic Surgery, Broward Health Medical Center, 1600 S Andrews Ave, Fort Lauderdale, FL, 33316, USA
| | - Kevin Huynh
- Department of Orthopaedic Surgery, Broward Health Medical Center, 1600 S Andrews Ave, Fort Lauderdale, FL, 33316, USA
| | - Ran Schwarzkopf
- Department of Orthopedic Surgery, NYU Langone Health, 301 East 17Th Street, New York, NY, 10003, USA.
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Sheridan GA, Howard LC, Neufeld ME, Greidanus NV, Garbuz DS, Masri BA. International primary hip arthroplasty registry review: findings from current reports. Ir J Med Sci 2023; 192:2851-2858. [PMID: 36928594 DOI: 10.1007/s11845-023-03330-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 02/27/2023] [Indexed: 03/18/2023]
Abstract
We present key information from international registries in relation to primary total hip arthroplasty. The specific questions of interest include which bearings are superior in total hip arthroplasty (THA), which fixation types are optimal, do any specific implants perform better than others, and what is the latest update in the hip fracture setting? This is a comprehensive review of the major English-speaking hip arthroplasty registries across the globe. Key trends and developments in implant performance are identified and presented in the current article. Key points from review of all registries confirm that ceramic-on-polyethylene and metal-on-polyethylene continue to be the commonest bearings. The use of cemented femoral stems is increasing across most regions. Hybrid fixation is now the commonest fixation method in the UK for the first time in registry history. Uncemented femoral stems have a higher early revision rate for periprosthetic fracture than cemented stems across most regions. Dual mobility (DM) bearings are increasing in use and show higher early revision rates than unipolar bearings-they tend to be used for more complex indications (fracture/tumor/revision) and show similar revision rates to unipolar bearings when used exclusively in primary elective THA for osteoarthritis. We present current trends in THA based on current registry data from across the globe. Clinical signals of concern are emerging for THA uncemented femoral stem fixation and DM bearings in specific clinical contexts. These signals should be monitored across the literature in order to reduce the overall revision burden.
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Affiliation(s)
- Gerard A Sheridan
- Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada.
| | - Lisa C Howard
- Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada
| | - Michael E Neufeld
- Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada
| | - Nelson V Greidanus
- Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada
| | - Donald S Garbuz
- Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada
| | - Bassam A Masri
- Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada
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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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Savin L, Pinteala T, Mihai DN, Mihailescu D, Miu SS, Sirbu MT, Veliceasa B, Popescu DC, Sirbu PD, Forna N. Updates on Biomaterials Used in Total Hip Arthroplasty (THA). Polymers (Basel) 2023; 15:3278. [PMID: 37571172 PMCID: PMC10422432 DOI: 10.3390/polym15153278] [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: 07/05/2023] [Revised: 07/30/2023] [Accepted: 07/31/2023] [Indexed: 08/13/2023] Open
Abstract
One of the most popular and effective orthopedic surgical interventions for treating a variety of hip diseases is total hip arthroplasty. Despite being a radical procedure that involves replacing bone and cartilaginous surfaces with biomaterials, it produces excellent outcomes that significantly increase the patient's quality of life. Patient factors and surgical technique, as well as biomaterials, play a role in prosthetic survival, with aseptic loosening (one of the most common causes of total hip arthroplasty failure) being linked to the quality of biomaterials utilized. Over the years, various biomaterials have been developed to limit the amount of wear particles generated over time by friction between the prosthetic head (metal alloys or ceramic) and the insert fixed in the acetabular component (polyethylene or ceramic). An ideal biomaterial must be biocompatible, have a low coefficient of friction, be corrosion resistant, and have great mechanical power. Comprehensive knowledge regarding what causes hip arthroplasty failure, as well as improvements in biomaterial quality and surgical technique, will influence the survivability of the prosthetic implant. The purpose of this article was to assess the benefits and drawbacks of various biomaterial and friction couples used in total hip arthroplasties by reviewing the scientific literature published over the last 10 years.
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Affiliation(s)
- Liliana Savin
- Department of Orthopedics and Traumatology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (L.S.); (D.M.); (M.T.S.); (B.V.); (D.C.P.); (P.D.S.); (N.F.)
- Department of Orthopedics, Clinical Rehabilitation Hospital, 700661 Iasi, Romania;
| | - Tudor Pinteala
- Department of Orthopedics and Traumatology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (L.S.); (D.M.); (M.T.S.); (B.V.); (D.C.P.); (P.D.S.); (N.F.)
- Department of Orthopedics, Clinical Rehabilitation Hospital, 700661 Iasi, Romania;
| | - Dana Nicoleta Mihai
- Department of Orthopedics, Clinical Rehabilitation Hospital, 700661 Iasi, Romania;
- Department of Protheses Technology, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Dan Mihailescu
- Department of Orthopedics and Traumatology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (L.S.); (D.M.); (M.T.S.); (B.V.); (D.C.P.); (P.D.S.); (N.F.)
- Department of Orthopedics, Clinical Rehabilitation Hospital, 700661 Iasi, Romania;
| | - Smaranda Stefana Miu
- Department of Rehabilitation, Clinical Rehabilitation Hospital, 700661 Iasi, Romania;
| | - Mihnea Theodor Sirbu
- Department of Orthopedics and Traumatology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (L.S.); (D.M.); (M.T.S.); (B.V.); (D.C.P.); (P.D.S.); (N.F.)
| | - Bogdan Veliceasa
- Department of Orthopedics and Traumatology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (L.S.); (D.M.); (M.T.S.); (B.V.); (D.C.P.); (P.D.S.); (N.F.)
| | - Dragos Cristian Popescu
- Department of Orthopedics and Traumatology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (L.S.); (D.M.); (M.T.S.); (B.V.); (D.C.P.); (P.D.S.); (N.F.)
| | - Paul Dan Sirbu
- Department of Orthopedics and Traumatology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (L.S.); (D.M.); (M.T.S.); (B.V.); (D.C.P.); (P.D.S.); (N.F.)
- Department of Orthopedics, Clinical Rehabilitation Hospital, 700661 Iasi, Romania;
| | - Norin Forna
- Department of Orthopedics and Traumatology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (L.S.); (D.M.); (M.T.S.); (B.V.); (D.C.P.); (P.D.S.); (N.F.)
- Department of Orthopedics, Clinical Rehabilitation Hospital, 700661 Iasi, Romania;
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Gowd AK, Bang KE, Bullock GS, Luo TD, Matthews JH, Rosas S, Shields JS, Plate JF. Oxidized Zirconium Versus Cobalt Chromium for Primary TKA: No Difference in Midterm Revision Rates From the American Joint Replacement Registry. Clin Orthop Relat Res 2023; 481:1553-1559. [PMID: 36853864 PMCID: PMC10344518 DOI: 10.1097/corr.0000000000002585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 01/19/2023] [Indexed: 03/01/2023]
Abstract
BACKGROUND Cobalt chromium (CoCr) is the most commonly used material in TKA; however, the use of oxidized zirconium (OxZr) implants has increased. The advantages to this material demonstrated in basic science studies have not been borne out in clinical studies to date. QUESTION/PURPOSE In the setting of the American Joint Replacement Registry (AJRR), how do revision rates differ between CoCr and OxZr after primary TKA? METHODS The AJRR was accessed for all primary TKAs performed between 2012 and 2020 for osteoarthritis, resulting in 441,605 procedures (68,506 with OxZr and 373,099 with CoCr). The AJRR is the largest joint replacement registry worldwide and collects procedure-specific details, making it ideal for large-scale comparisons of implant materials in the United States. Competing risk survival analyses were used to evaluate the all-cause revision rates of primary TKAs, comparing CoCr and OxZr implants. Data from the Centers for Medicare and Medicaid Services claims from 2012 to 2017 were also cross-referenced to capture additional revisions from other institutions. Revision rates were tabulated and subclassified by indication. Multivariate Cox regression was used to account for confounding variables such as age, gender, region, and hospital size. RESULTS After controlling for confounding variables, there were no differences between the OxZr and CoCr groups in terms of the rate of all-cause revision at a mean follow-up of 46 ± 23 months and 44 ± 24 months for CoCr and OxZr implants, respectively (hazard ratio 1.055 [95% confidence interval 0.979 to 1.137]; p = 0.16) The univariate analysis demonstrated increased rates of revisions for pain and instability in the OxZr group (p = 0.003 and p < 0.001, respectively). CONCLUSION These findings suggest there is no difference in all-cause revision between OxZr and CoCr implants in the short-term to mid-term. However, further long-term in vivo studies are needed to monitor the safety and all-cause revision rate of OxZr implants compared with those of CoCr implants. OxZr implants may be favorable in patients who have sensitivity to metal. Despite similar short-term to mid-term all-cause revision rates to CoCr implants, because of the limitations of this study, definitive recommendations for or against the use of OxZr cannot be made. LEVEL OF EVIDENCE Level III, therapeutic study.
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Affiliation(s)
- Anirudh K. Gowd
- Department of Orthopaedic Surgery and Rehabilitation, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Katrina E. Bang
- Department of Orthopaedic Surgery and Rehabilitation, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Garrett S. Bullock
- Department of Orthopaedic Surgery and Rehabilitation, Wake Forest School of Medicine, Winston-Salem, NC, USA
- Centre for Sport, Exercise and Osteoarthritis Research Versus Arthritis, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Tianyi D. Luo
- Department of Orthopaedic Surgery and Rehabilitation, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - John H. Matthews
- Department of Orthopaedic Surgery and Rehabilitation, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Samuel Rosas
- Department of Orthopaedic Surgery and Rehabilitation, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - John S. Shields
- Department of Orthopaedic Surgery and Rehabilitation, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Johannes F. Plate
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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6
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Høl PJ, Hallan G, Furnes O, Fenstad AM, Indrekvam K, Kadar T. Similarly low blood metal ion levels at 10-years follow-up of total hip arthroplasties with Oxinium, CoCrMo, and stainless steel femoral heads. Data from a randomized clinical trial. J Biomed Mater Res B Appl Biomater 2023; 111:821-828. [PMID: 36356214 PMCID: PMC10099800 DOI: 10.1002/jbm.b.35193] [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: 04/27/2022] [Revised: 09/21/2022] [Accepted: 10/29/2022] [Indexed: 11/12/2022]
Abstract
The use of inert head materials such as ceramic heads has been proposed as a method of reducing wear and corrosion products from the articulating surfaces in total hip arthroplasty, as well as from the stem-head taper connection. The aim of the present study was to compare the blood metal ion levels in patients with Oxinium and CoCrMo modular femoral heads, as well as monoblock stainless steel Charnley prostheses at 10 years postoperatively. The 150 patients with osteoarthritis of the hip joint included in a randomized clinical trial were grouped according to femoral head material. One group (n = 30) had received the Charnley monoblock stainless steel stem (DePuy, UK). The other patients (n = 120) received a Spectron EF CoCrMo stem with either a 28 mm CoCrMo or Oxinium modular head (Smith & Nephew, USA). After 10 years, 38 patients had withdrawn, 19 deceased, 7 revised due to aseptic loosening and 5 revised due to infection. The 81 patients with median age of 79 years (70-91) were available for whole blood metal ion analysis. The levels of Co, Cr, Ni and Zr in the blood were generally low with all the head materials (medians <0.3 micrograms/L) and no statistical difference between the groups were found (p = .2-.8). Based on the low blood metal ion values in our study groups, no indication of severe trunnion corrosion in patients with CoCrMo heads was observed, neither was there any beneficial reduction in metal ion exposure with the Oxinium femoral heads.
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Affiliation(s)
- Paul Johan Høl
- Biomatlab, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway.,Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Geir Hallan
- Department of Clinical Medicine, University of Bergen, Bergen, Norway.,The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway.,The Coastal Hospital at Hagevik, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Ove Furnes
- Department of Clinical Medicine, University of Bergen, Bergen, Norway.,The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Anne Marie Fenstad
- The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Kari Indrekvam
- Department of Clinical Medicine, University of Bergen, Bergen, Norway.,The Coastal Hospital at Hagevik, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Thomas Kadar
- Physical Medicine and Rehabilitation, Clinic of Habilitation and Rehabilitation, Haukeland University Hospital, Bergen, Norway
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Hasegawa M, Tone S, Naito Y, Sudo A. Ultra-High-Molecular-Weight Polyethylene in Hip and Knee Arthroplasties. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2140. [PMID: 36984020 PMCID: PMC10054334 DOI: 10.3390/ma16062140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 03/05/2023] [Accepted: 03/06/2023] [Indexed: 06/18/2023]
Abstract
Ultra-high-molecular-weight polyethylene (UHMWPE) wear and particle-induced osteolysis contribute to the failure of total hip arthroplasty (THA) and total knee arthroplasty (TKA). Highly crosslinked polyethylene (HXLPE) was developed in the late 1990s to reduce wear and has shown lower wear rates and loosening than conventional UHMWPE in THA. The irradiation dose for crosslinking is up to 100 kGy. However, during crosslinking, free radical formation induces oxidation. Using HXLPE in THA, the cumulative revision rate was determined to be significantly lower (6.2%) than that with conventional UHMWPE (11.7%) at a mean follow-up of 16 years, according to the Australian Orthopaedic Association National Joint Replacement Registry. However, HXLPE does not confer to TKA the same advantages it confers to THA. Several alternatives have been developed to prevent the release of free radicals and improve polymer mechanical properties, such as thermal treatment, phospholipid polymer 2-methacryloyloxyethyl phosphorylcholine grafting, remelting, and vitamin E addition. Among these options, vitamin E addition has reported good clinical results and wear resistance similar to that of HXLPE without vitamin E, as shown by short-term clinical studies of THA and TKA. This review aims to provide a comprehensive overview of the development and performance of UHMWPE in THA and TKA.
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Grélier M, Martinot P, Dartus J, Migaud H, Putman S, Girard J. Cementless metal-on-metal versus ceramic-on-polyethylene hip arthroplasty in under-50 year-olds with 20 to 22 years' follow-up: Was it a good idea to abandon the small-diameter metal-on-metal bearing? Orthop Traumatol Surg Res 2023; 109:103472. [PMID: 36336293 DOI: 10.1016/j.otsr.2022.103472] [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: 08/12/2021] [Revised: 02/07/2022] [Accepted: 03/03/2022] [Indexed: 11/06/2022]
Abstract
In 2005 and 2011, we reported results for a comparative study of two types of 28-mm bearing (metal-on-metal (MoM) and ceramic-on-polyethylene (CoP) in active patients with respectively 5 and 12 years' follow-up. The present report is an update at a mean 20 years' follow-up, addressing 2 issues: (1) implant survival at a mean 20 years; and (2) long-term complications with the metal-on-metal bearing. Twenty-eight millimeters MoM bearings show good survival at 20 years in young active subjects. Two groups of cementless hip prostheses were compared: Metasul™ 28mm MoM versus 28mm CoP. The MoM group comprised 30 patients (39 hips), with a mean age of 40±6.7 years [range, 22.6-49 years], and the CoP group comprised 32 patients (39 hips), with a mean age of 40.5±8.7 years [range, 15-50 years]. The groups were matched in 2005 for age, activity level and preoperative Harris score. At a mean 20±5.3 years' follow-up [range, 5-23 years], in the MoM group 2 hips (5%) showed limited non-progressive acetabular osteolysis, not requiring revision surgery; in the CoP group, there were 21 revision procedures (54%), including 15 for polyethylene wear. In the MoM group, the median total blood cobalt concentration was 1.03g/L [range, 0.3-3.5] and the median chromium concentration was 1.07g/L [range, 0.3-3.2]. Twenty-year all-cause survival was 100% in the MoM group, and 46% (95% CI, 37-59%) in the CoP group (p<0.0001). At long-term follow-up, MoM implants showed better survival than CoP implants in a young active population. Level of evidence: III, matched case series.
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Affiliation(s)
- Matthieu Grélier
- Chirurgie orthopédique, université de Lille Nord de France, orthopédie 2, hôpital Roger-Salengro, CHU de Lille, F-59000 Lille, France.
| | - Pierre Martinot
- Chirurgie orthopédique, université de Lille Nord de France, orthopédie 2, hôpital Roger-Salengro, CHU de Lille, F-59000 Lille, France; Service d'orthopédie II, hôpital Salengro, Place de Verdun, CHU de Lille, F-59000 Lille, France
| | - Julien Dartus
- Chirurgie orthopédique, université de Lille Nord de France, orthopédie 2, hôpital Roger-Salengro, CHU de Lille, F-59000 Lille, France; Service d'orthopédie II, hôpital Salengro, Place de Verdun, CHU de Lille, F-59000 Lille, France
| | - Henri Migaud
- Chirurgie orthopédique, université de Lille Nord de France, orthopédie 2, hôpital Roger-Salengro, CHU de Lille, F-59000 Lille, France; Service d'orthopédie II, hôpital Salengro, Place de Verdun, CHU de Lille, F-59000 Lille, France
| | - Sophie Putman
- Chirurgie orthopédique, université de Lille Nord de France, orthopédie 2, hôpital Roger-Salengro, CHU de Lille, F-59000 Lille, France; Service d'orthopédie II, hôpital Salengro, Place de Verdun, CHU de Lille, F-59000 Lille, France
| | - Julien Girard
- Chirurgie orthopédique, université de Lille Nord de France, orthopédie 2, hôpital Roger-Salengro, CHU de Lille, F-59000 Lille, France; Service d'orthopédie II, hôpital Salengro, Place de Verdun, CHU de Lille, F-59000 Lille, France; University Lille, University Artois, University Littoral Côte d'Opale, EA 7369-URePSS-unité de recherche pluridisciplinaire sport santé société, F-59000 Lille, France
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9
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Accuracy of ICD-10 Coding for Femoral Head Bearing Surfaces in Hip Arthroplasty. J Arthroplasty 2022; 38:794-797. [PMID: 36496044 DOI: 10.1016/j.arth.2022.12.002] [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: 09/14/2022] [Revised: 11/29/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The International Classification of Diseases-10 Procedure Code System (ICD-10-PCS) introduced oxidized zirconium (OxZi) and niobium procedural codes to the types of femoral head bearing surfaces in 2017. These codes aimed to increase procedural specificity in coding and improve data collection through administrative claims databases. This study aimed to assess the accuracy of ICD-10-PCS coding for femoral head bearing surfaces (cobalt chrome/metal, ceramic, and OxZi) in hip procedures. METHODS A retrospective analysis of 6,204 procedures utilizing femoral heads performed between October 1, 2017 and August 26, 2021 at a large, urban academic hospital was conducted. Operative reports and implant logs were queried to determine the femoral head bearing surface, which was used during the total hip arthroplasty. These results were then compared to the ICD-10-PCS codes in the billing records. Coding accuracy was subsequently determined and statistical differences between the three groups were evaluated. RESULTS The ICD-10-PCS coding was accurate for 90.8% (5,634/6,204) of cases. Coding accuracy for ceramic femoral heads (95.4%, 4,171/4,371) was significantly greater than that of both cobalt chrome/metal (73.7%, 606/822; P < .001) and OxZi (84.8%, 857/1,011; P < .001) femoral heads. CONCLUSION While coding for ceramic femoral heads was very accurate, OxZi and cobalt chrome/metal femoral heads were miscoded at a rate of approximately 20%. These inaccuracies call for further evaluation of the ICD-10-PCS coding process to ensure that conclusions drawn from clinical research performed through administrative claims databases are not subject to error.
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Salipas A, Poole AS, Teeter MG, Somerville LE, Naudie DD, McCalden RW. A Ten-Year Radiostereometric Analysis of Polyethylene Wear Between Oxidized Zirconium and Cobalt Chrome Articulations in Total Hip Arthroplasty. J Arthroplasty 2022; 37:S692-S696. [PMID: 35245689 DOI: 10.1016/j.arth.2022.02.099] [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: 11/24/2021] [Revised: 02/14/2022] [Accepted: 02/23/2022] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Oxidized zirconium (OxZi) femoral heads combine the decreased abrasive properties of ceramics with the toughness of metal alloys to lower wear and increase the durability of total hip arthroplasty. The purpose of this study was to compare the 10-year polyethylene wear rates between OxZi/XLPE and cobalt chrome (CoCr)/XLPE articulations. METHODS A radiostereometric analysis (RSA) was performed on two cohorts of 23 patients who underwent total hip arthroplasty using either OxZi/XLPE or CoCr/XLPE at a minimum of 10-year follow-up. Cohorts were matched for age, gender, body mass index (BMI), and diagnosis. Polyethylene wear was measured using RSA to determine total and steady-state wear rates for both cohorts. Preoperative and postoperative patient-reported outcome measures (SF12, HHS, and Western Ontario and McMaster Universities Arthritis Index scores) were compared. RESULTS The mean total head penetration rate was found to be statistically different between the entire cohorts (OxZi 0.048 ± 0.021 mm/y, CoCr 0.035 ± 0.017 mm/y, P = .02) but not when 28-mm heads only (OxZi 0.045 ± 0.016 mm/y, CoCr 0.034 ± 0.017 mm/y, P = .066) were directly compared. The mean steady-state wear rate was not significantly different between the entire cohorts (OxZi 0.031 ± 0.021 mm/y, CoCr 0.024 ± 0.019 mm/y, P = .24) or 28-mm head cohorts (OxZi 0.028 ± 0.019 mm/y, CoCr 0.024 ± 0.019 mm/y, P = .574). Outcome measures showed no statistical difference except for the Harris Hip Score where the OxZi cohort demonstrated higher median scores. CONCLUSION Using RSA to evaluate the 10-year in-vivo head penetration, there was no statistically significant difference in steady-state wear rates between OxZi and CoCr articulations. Both bearing combinations demonstrated wear rates well below the threshold for osteolysis.
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Affiliation(s)
- Andrew Salipas
- Division of Orthopaedic Surgery, Department of Surgery, London Health Sciences, London, Ontario, Canada
| | - Andrew S Poole
- Division of Orthopaedic Surgery, Department of Surgery, London Health Sciences, London, Ontario, Canada
| | - Matthew G Teeter
- Division of Orthopaedic Surgery, Department of Surgery, London Health Sciences, London, Ontario, Canada
| | - Lyndsay E Somerville
- Division of Orthopaedic Surgery, Department of Surgery, London Health Sciences, London, Ontario, Canada
| | - Douglas D Naudie
- Division of Orthopaedic Surgery, Department of Surgery, London Health Sciences, London, Ontario, Canada
| | - Richard W McCalden
- Division of Orthopaedic Surgery, Department of Surgery, London Health Sciences, London, Ontario, Canada
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11
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Updates in biomaterials of bearing surfaces in total hip arthroplasty. ARTHROPLASTY 2021; 3:32. [PMID: 35236490 PMCID: PMC8796426 DOI: 10.1186/s42836-021-00092-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 08/10/2021] [Indexed: 12/12/2022] Open
Abstract
Total hip arthroplasty (THA) is one of the most successful surgical procedures. It entails replacement of the damaged or diseased joint surface with artificial materials. Various materials had been developed and used to achieve optimal outcomes, including longer survivorship and minimal complications. The primary materials used in the manufacture of THA implants are polymers, metal alloys, and ceramics. The failures of THA mainly result from aseptic loosening due to the production of wear particles and the development of periprosthetic joint injection. A lot of advancement and introduction of new biomaterials in THA implants’ armamentarium are designed to avoid the common failure mechanisms and improve the longevity of the implants. In this review, we discussed various aspects of commonly used biomaterials in THA implants, to provide some updated information.
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Zhang L, Haddouti EM, Welle K, Burger C, Kabir K, Schildberg FA. Local Cellular Responses to Metallic and Ceramic Nanoparticles from Orthopedic Joint Arthroplasty Implants. Int J Nanomedicine 2020; 15:6705-6720. [PMID: 32982228 PMCID: PMC7494401 DOI: 10.2147/ijn.s248848] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 07/08/2020] [Indexed: 12/27/2022] Open
Abstract
Over the last decades, joint arthroplasty has become a successful treatment for joint disease. Nowadays, with a growing demand and increasingly younger and active patients accepting these approaches, orthopedic surgeons are seeking implants with improved mechanical behavior and longer life span. However, aseptic loosening as a result of wear debris from implants is considered to be the main cause of long-term implant failure. Previous studies have neatly illustrated the role of micrometric wear particles in the pathological mechanisms underlying aseptic loosening. Recent osteoimmunologic insights into aseptic loosening highlight the important and heretofore underrepresented contribution of nanometric orthopedic wear particles. The present review updates the characteristics of metallic and ceramic nanoparticles generated after prosthesis implantation and summarizes the current understanding of their hazardous effects on peri-prosthetic cells.
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Affiliation(s)
- Li Zhang
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Venusberg-Campus 1, Bonn 53127, Germany
| | - El-Mustapha Haddouti
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Venusberg-Campus 1, Bonn 53127, Germany
| | - Kristian Welle
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Venusberg-Campus 1, Bonn 53127, Germany
| | - Christof Burger
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Venusberg-Campus 1, Bonn 53127, Germany
| | - Koroush Kabir
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Venusberg-Campus 1, Bonn 53127, Germany
| | - Frank A Schildberg
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Venusberg-Campus 1, Bonn 53127, Germany
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