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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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Long-Term Outcome of Small Head Metal-On-Metal Total Hip Arthroplasty: A 15-to-22 Year Follow-Up. J Arthroplasty 2021; 36:3214-3220. [PMID: 33941413 DOI: 10.1016/j.arth.2021.04.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/07/2021] [Accepted: 04/14/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The Metasul articular interface was a second-generation metal-on-metal (MoM) total hip arthroplasty (THA) that was introduced as a promising interface with improved manufacturing technology, better clearances, and enhanced metal hardness. In December 2001, the manufacturer recalled these implants due to the failure of cup osseointegration. METHODS Between 1997 and 2004, 168 consecutive primary Metasul THAs were performed in 144 patients. Most patients received a cementless femoral and porous-coated acetabular component with 28 mm head. A competing risk analysis was performed for determination separately for bearing surface-related, recalled bearing failure, and end point revision for any reason. For clinical patient evaluation, we used Harris hip score and University of California at Los Angeles scores. Cobalt and chromium ion level measurement and standard radiographic assessment was performed. RESULTS Of the 168 THAs, 19 hips were revised at a mean period of 15 years as follows: 12 of them were due to recalled acetabular component, five hips had noninterface-related complication, and two true interface surface failure. The survival distribution function of all hips with revision for any reason was 88.4%, for bearing interface relation 98.8%, and 92.6% for recalled cups. The mean Harris hip score and University of California at Los Angeles scores were 85 and 6, respectively, and the median Co and Cr blood levels were 1.0 and 0.91 μg/L. CONCLUSION Excluding the recalled components, Metasul articular interface has performed extremely well at a minimum follow-up of 15 years in this relatively young population. There were two interface-related revisions in the entire cohort.
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Kolbitsch P, Noebauer-Huhmann IM, Giurea A, Kubista B, Windhager R, Lass R. Pseudotumors in Small-Head Metal-on-Metal Total Hip Arthroplasties at a Minimum Follow-Up of 20 Years. J Arthroplasty 2021; 36:2871-2877. [PMID: 33812711 DOI: 10.1016/j.arth.2021.03.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/28/2021] [Accepted: 03/05/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Metal-on-metal (MOM) surfaces in total hip arthroplasty (THA) have been used widely. Serum cobalt and chromium levels have been the standard investigation for follow-up examinations, but magnetic resonance imaging (MRI) with metal artifact reducing sequences has shown good results in detecting pseudotumors. The aim of this study is to survey a significant correlation among MRI findings, serum metal levels, and clinical scores in patients with small-head MOM implants and if serum cobalt and chromium levels are sufficient in detecting patients with pseudotumors in the long-term follow-up. METHODS At a minimum follow-up of 20 years, 26 patients (29 THAs) of the original 98 patients (105 THAs) included in this study between November 1992 and May 1994 were available for follow-up examination. Clinical scores, serum metal ion levels, and MRIs were obtained. RESULTS We found mean serum cobalt levels of 1.87 μg/L (±3.44) and chromium levels of 2.23 μg/L (±2.96) and very good clinical and functional results (mean Harris Hip Score 88.6) in the long-term follow-up. Pseudotumors were detected in MRIs of 21 hips. There were no significant differences between patients with or without pseudotumors regarding serum metal levels and the correlation for clinical outcome scores, demographic data, and cup inclination. The cumulative rate of survival was still at 91.4% at 22.8 years. CONCLUSION This study presents the first published data on small-head MOM hips, comparing metal ion levels, pseudotumors, clinical, and radiological results in a follow-up period of more than 20 years and reveals that serum metal levels are not significantly higher in patients with pseudotumors. LEVEL OF EVIDENCE Therapeutic Level III.
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Affiliation(s)
- Paul Kolbitsch
- Division of Orthopedics, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Iris-Melanie Noebauer-Huhmann
- Division of Neuroradiology and Musculoskeletal Radiology, Department of Radiology, Medical University of Vienna, Vienna, Austria
| | - Alexander Giurea
- Division of Orthopedics, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Bernd Kubista
- Division of Orthopedics, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Reinhard Windhager
- Division of Orthopedics, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Richard Lass
- Division of Orthopedics, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
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Abstract
» The true incidence of pseudotumors in association with total joint arthroplasty is underestimated. » Pseudotumors occur with metal-on-metal, metal-on-polyethylene, and metal-on-ceramic articulations. » Metal ion levels should not be the only factor in decision-making regarding revision surgery. » Revision surgery is only indicated in symptomatic patients with clinical and radiographic findings and elevated metal ion levels. » Revision to a non-metal articulation is strongly suggested.
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Jin SY, Jin JY, Kang JK, Yoon TR, Park KS. Minimum 15-year results of metasul 28-mm metal-on-metal total hip arthroplasty in patients younger than 50 years of age. J Orthop Surg Res 2021; 16:218. [PMID: 33766094 PMCID: PMC7992988 DOI: 10.1186/s13018-021-02352-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 03/10/2021] [Indexed: 11/10/2022] Open
Abstract
Background Some propitious mid- and long-term studies had been reported for MoM bearings; however, most studies have addressed specific patient groups rather than younger, active patients, who probably represent the most suitable population for investigations on wear and osteolysis. The purpose of this study to evaluate the long-term results of second-generation metal-on-metal cementless total hip arthroplasty (THA) in patients aged <50 years. Methods From December 1997 to January 2004, primary THA using a metal-on-metal bearing cementless implant was performed in 63 patients (72 hips) aged <50 years. The mean follow-up duration was 18.6 (range, 15.9–22.1) years, and the mean age at initial operation was 39 (range, 22–49) years. Clinical results, complications, survivorship, osteolysis, and aseptic loosening were evaluated. Results The mean Harris hip score and Western Ontario and McMaster Universities Arthritis Index scores were improved from 57.8 (range, 28–69) points and 73.4 (range, 63–94) points preoperatively to 91.7 (range, 80–100) points and 25.5 points (range, 17–38) points, respectively, at the last follow-up. Osteolysis lesions were found in 12 hips (acetabulum, 6 and femur, 6). The notching occurred on the femoral stem neck occurred in 12 hips. The mean serum cobalt and chromium concentrations were 2.3 (range, 0.2–10.6) μg/L and 1.7 (range, 0.4–8.1) μg/L, respectively, at a mean follow-up of 12.7 years in 32 patients (50.1%). The Kaplan-Meier survivorship curve analysis with revision for any reason as the endpoint revealed that 93.1% survived at 18.6 years’ follow-up. Conclusions Second-generation metal-on-metal cementless THA was found to produce satisfactory clinical and radiographic results with a low revision rate for osteolysis and aseptic loosening in patients aged less than 50 years.
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Affiliation(s)
- Sheng-Yu Jin
- Department of Orthopedics, Center for Joint Disease, Chonnam National University Hwasun Hospital, 322, Seo Yang-Ro, Hwasun-Eup, Hwasun-Gun, Jeonnam, 519-809, Republic of Korea
| | - Jing-Yao Jin
- Department of Orthopedics, Center for Joint Disease, Chonnam National University Hwasun Hospital, 322, Seo Yang-Ro, Hwasun-Eup, Hwasun-Gun, Jeonnam, 519-809, Republic of Korea
| | - Joon-Kyoo Kang
- Department of Orthopedics, Center for Joint Disease, Chonnam National University Hwasun Hospital, 322, Seo Yang-Ro, Hwasun-Eup, Hwasun-Gun, Jeonnam, 519-809, Republic of Korea
| | - Taek-Rim Yoon
- Department of Orthopedics, Center for Joint Disease, Chonnam National University Hwasun Hospital, 322, Seo Yang-Ro, Hwasun-Eup, Hwasun-Gun, Jeonnam, 519-809, Republic of Korea
| | - Kyung-Soon Park
- Department of Orthopedics, Center for Joint Disease, Chonnam National University Hwasun Hospital, 322, Seo Yang-Ro, Hwasun-Eup, Hwasun-Gun, Jeonnam, 519-809, Republic of Korea.
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Erivan R, Villatte G, Millerioux S, Mulliez A, Descamps S, Boisgard S. Survival at 11 to 21 years for 779 Metasul® metal-on-metal total hip arthroplasties. J Orthop Surg (Hong Kong) 2021; 28:2309499020926265. [PMID: 32735149 DOI: 10.1177/2309499020926265] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Total hip arthroplasties (THAs) bearing is one of the most important factors for hip replacement because THA survival depends on it. Metal-on-metal (MoM) bearing has lower wear than metal-on-polyethylene but lot of aseptic loosening decrease utilization. We analyze the survival rate of 28 mm Metasul® bearings after a mean follow-up of 12.9 years. METHODS The main objective of this study was to evaluate the survival of the MoM. We evaluate 779 consecutive THAs performed between January 1995 and December 2005 for primary osteoarthritis, congenital dysplasia classified Crowe I, or rheumatoid arthritis. Survival rate was calculated by the Kaplan-Meir method. The association between survival and age, gender, body mass index (BMI), and surface coating was investigated with a proportional odds model. The clinical assessment included Oxford score. RESULTS Six hundred fifty-two THAs were reviewed. Sixty-two revisions (9.5%) were performed including 34 aseptic loosening and 11 deep infections. The survival for prosthesis with any reason at 20 years was 87% (confidence interval (CI) 83-90.2) for aseptic loosening at 20 years was 90.1% (CI 87-93.8). There was no association with age, BMI, and surface coating. Gender was significant with lower aseptic loosening for men, hazard ratio = 0.45, p value = 0.035. Oxford score was 57 ± 6.7 (19-60). CONCLUSION The survival rate of Metasul was well and seems to be like our clinical finding. However, radiographic aseptic loosening without surgery is not included in the survival rate. The Oxford score was very good with a lot of patients with asymptomatic hip. LEVEL OF EVIDENCE Level IV/Retrospective study.
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Affiliation(s)
- Roger Erivan
- Université Clermont Auvergne, CHU Clermont-Ferrand, CNRS, SIGMA Clermont, ICCF, Clermont-Ferrand, France
| | - Guillaume Villatte
- Université Clermont Auvergne, CHU Clermont-Ferrand, CNRS, SIGMA Clermont, ICCF, Clermont-Ferrand, France
| | - Stéphane Millerioux
- Université Clermont Auvergne, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Aurélien Mulliez
- Délégation à la Recherche Clinique et aux Innovations (DRCI) - CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Stéphane Descamps
- Université Clermont Auvergne, CHU Clermont-Ferrand, CNRS, SIGMA Clermont, ICCF, Clermont-Ferrand, France
| | - Stéphane Boisgard
- Université Clermont Auvergne, CHU Clermont-Ferrand, CNRS, SIGMA Clermont, ICCF, Clermont-Ferrand, France
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Metasul vs Cerasul bearings: a prospective, randomized study at a mean eighteen years. INTERNATIONAL ORTHOPAEDICS 2020; 44:2545-2551. [PMID: 33083903 DOI: 10.1007/s00264-020-04855-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 10/15/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND The aims of our study were to compare the clinical, radiographic outcomes and survivals between second-generation metal-on-metal (Metasul) and ceramic-on-ceramic (Cerasul) bearings at a very long-term follow-up. METHODS A prospective, randomized study was originally performed on a consecutive series of 250 cementless, 28-mm head and primary total hip arthroplasties between 1999 and 2002. For each bearing (Metasul or Cerasul), 125 THAs were initially included. All cases were evaluated both clinically and radiographically, and survival was assessed, considering revisions for aseptic loosening or for any reason as the end points for failure. RESULTS At a mean 18-year follow-up, clinical and radiographic outcomes were similar. Harris Hip Score increased 30% in the Metasul group and 32% in the Cerasul group (p = 0.6). Survival free of aseptic loosening was higher for Cerasul (100%), than for Metasul (94% [CI 88-99.9]) (p = 0.04). Survival free of any revision was 91% ([CI 84-98%]) for Cerasul and 91% ([CI 84-98%]) for Metasul. Fractures of Cerasul insert occurred in four cases (3%) at a mean 12.5 ± 3.3 years (range, 6 to 17 years). CONCLUSION At 18 years, Cerasul demonstrated higher survivorship than Metasul considering aseptic loosening as an end point. However, Cerasul liners had high rate of fracture because of its sandwich design (thin ceramic liner into polyethylene). These implants are no more available on the market.
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Waldstein W, Koller U, Springer B, Kolbitsch P, Brodner W, Windhager R, Lass R. Serum cobalt concentrations remain at low levels at a minimum of 20 years following metal-on-metal total hip arthroplasty. Bone Joint Res 2020; 9:146-151. [PMID: 32435467 PMCID: PMC7229295 DOI: 10.1302/2046-3758.93.bjr-2019-0218.r1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Aims Second-generation metal-on-metal (MoM) articulations in total hip arthroplasty (THA) were introduced in order to reduce wear-related complications. The current study reports on the serum cobalt levels and the clinical outcome at a minimum of 20 years following THA with a MoM (Metasul) or a ceramic-on-polyethylene (CoP) bearing. Methods The present study provides an update of a previously published prospective randomized controlled study, evaluating the serum cobalt levels of a consecutive cohort of 100 patients following THA with a MoM or a CoP articulation. A total of 31 patients were available for clinical and radiological follow-up examination. After exclusion of 11 patients because of other cobalt-containing implants, 20 patients (MoM (n = 11); CoP (n = 9)) with a mean age of 69 years (42 to 97) were analyzed. Serum cobalt levels were compared to serum cobalt levels five years out of surgery. Results The median cobalt concentration in the MoM group was 1.04 μg/l (interquartile range (IQR) 0.64 to 1.70) at a mean of 21 years (20 to 24) postoperatively and these values were similar (p = 0.799) to cobalt levels at five years. In the CoP control group, the median cobalt levels were below the detection limit (< 0.3 μg/l; median 0.15 μg/l, IQR 0.15 to 0.75) at 20 years. The mean Harris Hip Score was 91.4 points (61 to 100) in the MoM group and 92.8 points (63 to 100) in the CoP group. Conclusion This study represents the longest follow-up series evaluating the serum cobalt levels after 28 mm head MoM bearing THA and shows that serum cobalt concentrations remain at low levels at a mean of 21 years (20 to 24) after implantation. Cite this article:Bone Joint Res. 2020;9(3):145–150.
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Affiliation(s)
- Wenzel Waldstein
- Department of Orthopaedic and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - Ulrich Koller
- Department of Orthopaedic and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - Bernhard Springer
- Department of Orthopaedic and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - Paul Kolbitsch
- Department of Orthopaedic and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - Wolfram Brodner
- Department of Orthopedics, University Hospital Krems, Krems, Austria
| | - Reinhard Windhager
- Department of Orthopaedic and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - Richard Lass
- Department of Orthopaedic and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
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Reiner T, Klotz MC, Seelmann K, Hertzsch F, Innmann MM, Streit MR, Nees TA, Moradi B, Merle C, Kretzer JP, Gotterbarm T. Long-Term Results of a Second-Generation, Small-Diameter, Metal-On-Metal Bearing in Primary Total Hip Arthroplasty at 14-year Follow-Up. MATERIALS 2020; 13:ma13030557. [PMID: 31991553 PMCID: PMC7040657 DOI: 10.3390/ma13030557] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 01/13/2020] [Accepted: 01/20/2020] [Indexed: 12/12/2022]
Abstract
(1) Background: The objective of the present study was to review the clinical and radiological results of a small-head, MoM bearing in primary THA and to determine blood metal ion levels at long-term follow-up. (2) Methods: We retrospectively evaluated the clinical and radiological results of 284 small-diameter, MoM 28-mm Metasul THA at a mean follow-up of 14.5 years, and measured blood metal ion concentrations in 174 of these patients. (3) Results: After 14 years, survival free for revision due to any reason was 94%. Proximal femoral osteolysis was seen in 23% of hips, and MRI demonstrated ARMD in 27 of the 66 investigated hips (41%). Mean cobalt, chromium, and titanium ion concentrations were 0.82 µg/L (range 0.22-4.45), 1.51 µg/L (0.04-22.69), and 2.68 µg/L (0.26-19.56) in patients with unilateral THA, and 2.59 µg/L (0.43-24.75), 2.50 µg/L (0.26-16.75), and 3.76 µg/L (0.67-19.77), respectively in patients with bilateral THA. Twenty-nine percent of patients showed cobalt or chromium ion levels > 2 µg/L. (4) Conclusions: Despite good clinical long-term results, increased blood metal ion levels (cobalt or chromium > 2 µg/L) were found in approximately one-third of asymptomatic patients, and proximal femoral osteolysis and ARMD were frequently seen in this cohort. Blood metal ion analysis appears helpful in the long-term follow-up of these patients in order to identify individuals at risk. In accordance with contemporary consensus statements, symptomatic patients with elevated metal ion levels and/or progressive osteolysis should be considered for additional CT or MARS MRI to determine the extent of soft tissue affection prior to revision surgery. Further studies are necessary to investigate the clinical relevance of ARMD in asymptomatic patients with small-head, MoM THA.
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Affiliation(s)
- Tobias Reiner
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany; (M.C.K.); (K.S.); (F.H.); (M.M.I.); (M.R.S.); (T.A.N.); (B.M.); (C.M.); (T.G.)
- Correspondence: ; Tel.: +49-6221-5634803; Fax: +49-6221-5626360
| | - Matthias C. Klotz
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany; (M.C.K.); (K.S.); (F.H.); (M.M.I.); (M.R.S.); (T.A.N.); (B.M.); (C.M.); (T.G.)
| | - Kirsten Seelmann
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany; (M.C.K.); (K.S.); (F.H.); (M.M.I.); (M.R.S.); (T.A.N.); (B.M.); (C.M.); (T.G.)
| | - Fabian Hertzsch
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany; (M.C.K.); (K.S.); (F.H.); (M.M.I.); (M.R.S.); (T.A.N.); (B.M.); (C.M.); (T.G.)
| | - Moritz M. Innmann
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany; (M.C.K.); (K.S.); (F.H.); (M.M.I.); (M.R.S.); (T.A.N.); (B.M.); (C.M.); (T.G.)
| | - Marcus R. Streit
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany; (M.C.K.); (K.S.); (F.H.); (M.M.I.); (M.R.S.); (T.A.N.); (B.M.); (C.M.); (T.G.)
| | - Timo A. Nees
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany; (M.C.K.); (K.S.); (F.H.); (M.M.I.); (M.R.S.); (T.A.N.); (B.M.); (C.M.); (T.G.)
| | - Babak Moradi
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany; (M.C.K.); (K.S.); (F.H.); (M.M.I.); (M.R.S.); (T.A.N.); (B.M.); (C.M.); (T.G.)
| | - Christian Merle
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany; (M.C.K.); (K.S.); (F.H.); (M.M.I.); (M.R.S.); (T.A.N.); (B.M.); (C.M.); (T.G.)
| | - Jan Philippe Kretzer
- Laboratory of Biomechanics and Implant Research, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, 69118 Heidelberg, Germany;
| | - Tobias Gotterbarm
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany; (M.C.K.); (K.S.); (F.H.); (M.M.I.); (M.R.S.); (T.A.N.); (B.M.); (C.M.); (T.G.)
- Department of Orthopedics, Kepler University Hospital, Krankenhausstr. 7a, 4020 Linz, Austria
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Erivan R, Villatte G, Lecointe T, Mulliez A, Descamps S, Boisgard S. Long-term survival of hybrid total hip arthroplasty with the uncemented CLS cup, cemented Müller cobalt-chromium stem, and 28-mm Metasul™ bearings: Retrospective review of 115 hips after a minimum of 17.8 years. Orthop Traumatol Surg Res 2019; 105:1289-1295. [PMID: 31526707 DOI: 10.1016/j.otsr.2019.06.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 05/14/2019] [Accepted: 06/18/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND Hard-on-hard bearings require a meticulous implantation technique but may be associated with lower wear rates in young active patients. Among them, metal-on-metal (MoM) bearings have been blamed for specific complications including adverse reactions to metal debris and metal hypersensitivity. These complications have been chiefly reported with large-head MoM implants (except when used for hip resurfacing). Most of the published data on small-head MoM implants were obtained using uncemented stems. To our knowledge, no information on outcomes beyond 15 years is available for small-head MoM implants with cemented cobalt-nickel-chromium (Co-Ni-Cr) stems, which might increase the risk of complications. The objective of this study was to collect long-term follow-up data on patients who underwent hybrid total hip arthroplasty (THA) with 28-mm MoM Metasul™ bearings in order to assess: (1) long-term survival (based on the revision rate), (2) and the occurrence of adverse reactions to metal debris documented during revision. HYPOTHESIS Survival of 28-mm Metasul™ bearings used with hybrid THA is acceptable. PATIENTS AND METHODS A single-centre retrospective study was conducted in consecutive patients managed using 28-mm Metasul™ bearings in a press-fit cup, with a cemented Co-Ni-Cr stem. Follow-up was at least 17 years. The clinical and radiographic data were analysed. Mean age at surgery was 57.3±7.9 years (range, 29.6-75.3 years). RESULTS The study included 115 hips with a mean follow-up of 20.3±0.8 years (range, 17.8-21.6 years). Survival to revision for any reason was 86.10% (95% CI, 79.8-92.4%) and survival to revision for aseptic loosening was 92.6% (95% CI, 87.7-97.6). Half the specimens obtained during revision showed a macrophage reaction and a non-specific inflammatory infiltrate. No patient experienced complications specifically related to the use of Metasul™ bearings with a cemented Co-Ni-Cr stem. DISCUSSION Long-term survival of 28-mm MoM Metasu™ bearings was close to that of metal-on-polyethylene bearings and lower than that of ceramic-on-ceramic or small-head MoM bearings in other studies. No complications specifically related to the use of small-head MoM bearings with a cemented Co-Ni-Cr stem were recorded. LEVEL OF EVIDENCE IV, retrospective study.
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Affiliation(s)
- Roger Erivan
- Université Clermont Auvergne, CHU Clermont-Ferrand, CNRS, SIGMA Clermont, ICCF, F-63000 Clermont-Ferrand, France.
| | - Guillaume Villatte
- Université Clermont Auvergne, CHU Clermont-Ferrand, CNRS, SIGMA Clermont, ICCF, F-63000 Clermont-Ferrand, France
| | - Thibaut Lecointe
- Université Clermont Auvergne, CHU Clermont-Ferrand, F-63000 Clermont-Ferrand, France
| | - Aurélien Mulliez
- Délégation à la Recherche Clinique et aux Innovations (DRCI), CHU Clermont-Ferrand, F-63000 Clermont-Ferrand, France
| | - Stéphane Descamps
- Université Clermont Auvergne, CHU Clermont-Ferrand, CNRS, SIGMA Clermont, ICCF, F-63000 Clermont-Ferrand, France
| | - Stéphane Boisgard
- Université Clermont Auvergne, CHU Clermont-Ferrand, CNRS, SIGMA Clermont, ICCF, F-63000 Clermont-Ferrand, France
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Park CW, Kim JH, Lim SJ, Moon YW, Park YS. A Minimum of 15-Year Results of Cementless Total Hip Arthroplasty Using a 28-mm Metal-On-Metal Articulation. J Arthroplasty 2019; 34:1387-1394. [PMID: 30930158 DOI: 10.1016/j.arth.2019.03.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 02/18/2019] [Accepted: 03/04/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND We previously reported unexpected early failures of total hip arthroplasty (THA) utilizing a 28-mm Ultima metal-on-metal (MoM) articulation. However, long-term results of small-diameter MoM THAs still remain unclear. The purpose of this study was to evaluate the clinical and radiographic outcomes of the previously reported cohort at a minimum follow-up of 15 years. METHODS The original cohort consisted of 171 primary THAs (167 patients) using a 28-mm MoM articulation performed between April 2000 and March 2002. Of these, 130 hips (126 patients) were reviewed at an average follow-up of 17.1 (range, 15-18) years. Clinical score, complications, presence of osteolytic lesion, serum metal ion concentrations, and implant survivorships were evaluated. RESULTS The mean Harris Hip Score improved from 44.9 points preoperatively to 90.5 points at the latest follow-up. During the entire period since the original surgery, a total of 5 revisions (3.8%) were associated with adverse reaction to metal debris (ARMD). The last revision surgery for symptomatic ARMD was performed at 6 years postoperatively. The implant survivorships with an end point of revision for aseptic failure and for any reason were 95.4% and 93.8%, respectively. Radiographic osteolytic lesions were detected in 27 hips (20.8%). The average serum metal concentration was 2.50 (range, 0.12-9.86) μg/L for cobalt and 2.81 (range, 0.82-12.3) μg/L for chromium. CONCLUSIONS THA using a 28-mm MoM articulation showed favorable long-term outcomes with a relatively high revision-free survival rate. There was no significant symptomatic ARMD after the last acetabular revision performed at 6 years postoperatively.
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Affiliation(s)
- Chan-Woo Park
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Joo-Hwan Kim
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Seung-Jae Lim
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Young-Wan Moon
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Youn-Soo Park
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
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Kovochich M, Finley BL, Novick R, Monnot AD, Donovan E, Unice KM, Fung ES, Fung D, Paustenbach DJ. Understanding outcomes and toxicological aspects of second generation metal-on-metal hip implants: a state-of-the-art review. Crit Rev Toxicol 2019; 48:853-901. [DOI: 10.1080/10408444.2018.1563048] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Moon JK, Kim Y, Hwang KT, Yang JH, Ryu JA, Kim YH. Prevalence and natural course of pseudotumours after small-head metal-on-metal total hip arthroplasty: a minimum 18-year follow-up study of a previous report. Bone Joint J 2019; 101-B:317-324. [PMID: 30813798 DOI: 10.1302/0301-620x.101b3.bjj-2018-1054.r1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIMS The present study investigated the five-year interval changes in pseudotumours and measured serum metal ions at long-term follow-up of a previous report of 28 mm diameter metal-on-metal (MoM) total hip arthroplasty (THA). PATIENTS AND METHODS A total of 72 patients (mean age 46.6 years (37 to 55); 43 men, 29 women; 91 hips) who underwent cementless primary MoM THA with a 28 mm modular head were included. The mean follow-up duration was 20.3 years (18 to 24). All patients had CT scans at a mean 15.1 years (13 to 19) after the index operation and subsequent follow-up at a mean of 20.2 years (18 to 24). Pseudotumour volume, type of mass, and new-onset pseudotumours were evaluated using CT scanning. Clinical outcomes were assessed by Harris Hip Score (HHS) and the presence of groin pain. Serum metal ion (cobalt (Co) and chromium (Cr)) levels were measured at the latest follow-up. RESULTS At final follow-up, pseudotumours were observed in 26/91 hips (28.6%). There was an increase in volume of the pseudotumour in four hips (15.4%), no change in volume in 21 hips (80.8%), and a decrease in volume in one hip (3.8%). There were no new-onset pseudotumours. There was no significant difference in HHS between patients with and without pseudotumours. At final follow-up, mean serum Co ion levels and median Co:Cr ratios were significantly greater in patients with pseudotumours, but the serum Cr ion levels were not significantly different. CONCLUSION At a mean 20 years of follow-up, pseudotumours were observed in 26/91 hips (28.6%) with no new-onset pseudotumours during subsequent follow-up. Most pseudotumours in small-head MoM THA were static in volume and asymptomatic with normal serum metal ion levels. Cite this article: Bone Joint J 2019;101-B:317-324.
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Affiliation(s)
- J-K Moon
- Department of Orthopedic Surgery, Hanyang University Guri Hospital, Guri, South Korea
| | - Y Kim
- Department of Orthopedic Surgery, Hanyang University Hospital, Seoul, South Korea
| | - K-T Hwang
- Department of Orthopedic Surgery, Hanyang University Hospital, Seoul, South Korea
| | - J-H Yang
- Department of Orthopedic Surgery, Hanyang University Guri Hospital, Guri, South Korea
| | - J-A Ryu
- Department of Radiology, Hanyang University Guri Hospital, Guri, South Korea
| | - Y-H Kim
- Department of Orthopedic Surgery, Hanyang University Guri Hospital, Guri, South Korea
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Tashjian RZ, Chalmers PN. Future Frontiers in Shoulder Arthroplasty and the Management of Shoulder Osteoarthritis. Clin Sports Med 2018; 37:609-630. [DOI: 10.1016/j.csm.2018.05.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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15
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Moon JK, Kim Y, Hwang KT, Yang JH, Oh YH, Kim YH. Long-Term Outcomes After Metal-on-Metal Total Hip Arthroplasty With a 28-mm Head: A 17- to 23-Year Follow-Up Study of a Previous Report. J Arthroplasty 2018; 33:2165-2172. [PMID: 29656971 DOI: 10.1016/j.arth.2018.02.089] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 02/03/2018] [Accepted: 02/23/2018] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Second-generation, metal-on-metal total hip arthroplasty (MoM THA) using a 28-mm head has shown favorable results compared with large head MoM THA. The purpose of this study is to evaluate the long-term outcomes of cementless primary MoM THA with a 28-mm head and the incidence of osteolysis using computed tomography. METHODS A total of 92 patients (53 men and 39 women) who underwent primary cementless MoM THA (114 hips) with a 28-mm head were enrolled in this study. Their mean age was 46.2 years at the time of surgery. The mean follow-up duration was 20 years. The Harris hip score, presence of thigh or groin pain, radiographic results, presence of peri-implant osteolysis, histologic analysis, and Kaplan-Meier survival curves were evaluated. RESULTS The mean preoperative Harris hip score of 50.5 improved to 85.1 at the final follow-up. Eight patients (8 hips) experienced groin pain, but none had thigh pain. Twelve revisions (6.2%) were performed including 10 hips for aseptic loosening with osteolysis and 2 hips for periprosthetic fracture around the stem. At 23 years, 91% of patients were free from revision of the acetabular component due to aseptic loosening and 90.1% were free from revision of both femoral and acetabular components due to any reason. Osteolysis was identified around the cup in 12 cases (10.5%) and around the stem in 7 cases (6.1%). CONCLUSION MoM THA with a 28-mm head showed a relatively low rate of aseptic implant loosening at a mean follow-up of 20 years.
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Affiliation(s)
- Jun-Ki Moon
- Department of Orthopedic Surgery, Hanyang University Guri Hospital, Guri, South Korea
| | - Yeesuk Kim
- Department of Orthopedic Surgery, Hanyang University Hospital, Seoul, South Korea
| | - Kyu-Tae Hwang
- Department of Orthopedic Surgery, Hanyang University Hospital, Seoul, South Korea
| | - Jae-Hyuk Yang
- Department of Orthopedic Surgery, Hanyang University Guri Hospital, Guri, South Korea
| | - Young-Ha Oh
- Department of Pathology, Hanyang University Guri Hospital, Guri, South Korea
| | - Young-Ho Kim
- Department of Orthopedic Surgery, Hanyang University Guri Hospital, Guri, South Korea
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Dahlstrand H, Stark A, Wick MC, Anissian L, Hailer NP, Weiss RJ. Comparison of metal ion concentrations and implant survival after total hip arthroplasty with metal-on-metal versus metal-on-polyethylene articulations. Acta Orthop 2017; 88:490-495. [PMID: 28699417 PMCID: PMC5560210 DOI: 10.1080/17453674.2017.1350370] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Background and purpose - Large metal-on-metal (MoM) articulations are associated with metal wear and corrosion, leading to increased metal ion concentrations and unacceptable revision rates. There are few comparative studies of 28-mm MoM articulations with conventional metal-on-polyethylene (MoP) couplings. We present a long-term follow-up of a randomized controlled trial comparing MoM versus MoP 28-mm articulations, focused on metal ions and implant survival. Patients and methods - 85 patients with a mean age of 65 years at surgery were randomized to a MoM (Metasul) or a MoP (Protasul) bearing. After 16 years, 38 patients had died and 4 had undergone revision surgery. 13 patients were unavailable for clinical follow-up, leaving 30 patients (n = 14 MoM and n = 16 MoP) for analysis of metal ion concentrations and clinical outcome. Results - 15-year implant survival was similar in both groups (MoM 96% [95% CI 88-100] versus MoP 97% [95% CI 91-100]). The mean serum cobalt concentration was 4-fold higher in the MoM (1.5 μg/L) compared with the MoP cohort (0.4 μg/L, p < 0.001) and the mean chromium concentration was double in the MoM (2.2 μg/L) compared with the MoP cohort (1.0 μg/L, p = 0.05). Mean creatinine levels were similar in both groups (MoM 93 μmol/L versus MoP 92 μmol/L). Harris hip scores differed only marginally between the MoM and MoP cohorts. Interpretation - This is the longest follow-up of a randomized trial on 28-mm MoM articulations, and although implant survival in the 2 groups was similar, metal ion concentrations remained elevated in the MoM cohort even in the long term.
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Affiliation(s)
- Henrik Dahlstrand
- Department of Molecular Medicine and Surgery, Section of Orthopaedics and Sports Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm;,Correspondence:
| | - André Stark
- Department of Clinical Sciences, Danderyd Hospital, Karolinska Institutet, Stockholm
| | - Marius C Wick
- Functional Unit for Musculoskeletal Radiology, Function Imaging and Physiology, Karolinska University Hospital, Karolinska Institutet Stockholm, Sweden
| | - Lucas Anissian
- Department of Orthopaedic Surgery, Oregon Health Science University, Portland, Oregon, USA
| | - Nils P Hailer
- Section of Orthopaedics, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Rüdiger J Weiss
- Department of Molecular Medicine and Surgery, Section of Orthopaedics and Sports Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm
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Ayoub B, Putman S, Cholewinski P, Paris A, Migaud H, Girard J. Incidence of Adverse Reactions to Metal Debris From 28-mm Metal-on-Metal Total Hip Arthroplasties With Minimum 10 Years of Follow-Up: Clinical, Laboratory, and Ultrasound Assessment of 44 Cases. J Arthroplasty 2017; 32:1206-1210. [PMID: 27988181 DOI: 10.1016/j.arth.2016.11.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 10/28/2016] [Accepted: 11/05/2016] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Total hip arthroplasty with metal-on-metal (MoM) bearings has been suspected to cause adverse reactions to metal debris (ARMD), with the incidence varying greatly by implant type and patient gender. The prevalence of ARMD from small-diameter MoM bearings in women is unknown, especially after 10 years of follow-up (FU). METHODS Cementless 28-mm MoM total hip arthroplasty bearings (Metasul) were implanted consecutively in 42 active women between 1996 and 2002. They were reviewed after a minimum of 10 years' FU with clinical, laboratory, radiological, and ultrasound assessments. RESULTS Mean FU was 15.9 years (range, 13-18). The mean Postel-Merle d'Aubigné and Oxford scores were 16.9 (range, 13-18) and 15.1 (range, 12-24), respectively, at FU. Mean cup inclination angle was 46.3° (range, 35°-57°). No femoral osteolysis was detected, but limited acetabular osteolysis (11%) over the screw holes occurred in 5 cases. No liquid or solid synovial reactions or ARMD were apparent on ultrasound, even in the 5 cases of pelvic osteolysis. Mean chromium levels were 1.32 μg/L (range, 0.1-7.9) and cobalt levels were 1.85 μg/L (range, 0.35-13.6). Cobalt was >3 μg/L in only 3 cases. The 15.9-year survivorship was 95% (range, 94.1%-98.9%). CONCLUSION Reliable results were obtained with 28-mm MoM bearings, notably in young, active patients. This implant configuration requires very accurate positioning. No ARMD was seen in this group at 16 years' FU.
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Affiliation(s)
- Béchir Ayoub
- Université de Lille Nord de France, Lille, France; Service d'orthopédie C, Hôpital Roger Salengro, Place de Verdun, Centre Hospitalier Régional Universitaire de Lille (CHRU de Lille), Lille Cedex, France
| | - Sophie Putman
- Université de Lille Nord de France, Lille, France; Service d'orthopédie C, Hôpital Roger Salengro, Place de Verdun, Centre Hospitalier Régional Universitaire de Lille (CHRU de Lille), Lille Cedex, France
| | - Pierre Cholewinski
- Université de Lille Nord de France, Lille, France; Service d'orthopédie C, Hôpital Roger Salengro, Place de Verdun, Centre Hospitalier Régional Universitaire de Lille (CHRU de Lille), Lille Cedex, France
| | - Amandine Paris
- Université de Lille Nord de France, Lille, France; Service d'orthopédie pédiatrique, Hôpital Jeanne de Flandre, CHRU de Lille, Lille, France
| | - Henri Migaud
- Université de Lille Nord de France, Lille, France; Service d'orthopédie C, Hôpital Roger Salengro, Place de Verdun, Centre Hospitalier Régional Universitaire de Lille (CHRU de Lille), Lille Cedex, France
| | - Julien Girard
- Université de Lille Nord de France, Lille, France; Service d'orthopédie C, Hôpital Roger Salengro, Place de Verdun, Centre Hospitalier Régional Universitaire de Lille (CHRU de Lille), Lille Cedex, France; Département de médecine du sport, Faculté de médecine de Lille, Université de Lille 2, Lille, France
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18
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Abstract
Articulating components should minimise the generation of wear particles in order to optimize long-term survival of the prosthesis. A good understanding of tribological properties helps the orthopaedic surgeon to choose the most suitable bearing for each individual patient. Conventional and highly cross-linked polyethylene articulating either with metal or ceramic, ceramic-on-ceramic and metal-on-metal are the most commonly used bearing combinations. All combinations of bearing surface have their advantages and disadvantages. An appraisal of the individual patient’s objectives should be part of the assessment of the best bearing surface.
Cite this article: Rieker CB. Tribology of total hip arthroplasty prostheses: what an orthopaedic surgeon should know. EFORT Open Rev 2016;1:52-57. DOI: 10.1302/2058-5241.1.000004.
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Ancelin D, Reina N, Cavaignac E, Delclaux S, Chiron P. Total hip arthroplasty survival in femoral head avascular necrosis versus primary hip osteoarthritis: Case-control study with a mean 10-year follow-up after anatomical cementless metal-on-metal 28-mm replacement. Orthop Traumatol Surg Res 2016; 102:1029-1034. [PMID: 28341264 DOI: 10.1016/j.otsr.2016.08.021] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Revised: 08/13/2016] [Accepted: 08/18/2016] [Indexed: 02/02/2023]
Abstract
BACKGROUND Total hip arthroplasty is the most widely used procedure to treat avascular necrosis (AVN) of the femoral head. Few studies have compared the outcomes of THA in femoral head AVN and primary hip osteoarthritis. Therefore we performed a case-control study to compare THA for femoral head AVN vs. primary hip osteoarthritis in terms of: (1) prosthesis survival, (2) complication rates, (3) functional outcomes and radiographic outcomes, (4) and to determine whether specific risk factors for THA failure exist in femoral head AVN. HYPOTHESIS THA survival is similar in femoral head AVN and primary hip osteoarthritis. MATERIAL AND METHODS We compared two prospective cohorts of patients who underwent THA before 65 years of age, one composed of cases with femoral head AVN and the other of controls with primary hip osteoarthritis. In both cohorts, a cementless metal-on-metal prosthesis with a 28-mm cup and an anatomical stem was used. Exclusion criteria were THA with other types of prosthesis, posttraumatic AVN, and secondary osteoarthritis. With α set at 5%, to obtain 80% power, 246 patients were required in all. Prosthesis survival was assessed based on time to major revision (defined as replacement of at least one implant fixed to bone) and time to aseptic loosening. The other evaluation criteria were complications, Postel-Merle d'Aubigné (PMA) score, and the Engh and Agora Radiographic Assessment (ARA) scores for implant osseointegration. RESULTS The study included 282 patients, 149 with AVN and 133 with osteoarthritis. Mean age was 47.8±10.2 years (range, 18.5-65) and mean follow-up was 11.4±2.8 years (range, 4.5-18.3 years). The 10-year survival rates were similar in the two groups: for major revision, AVN group, 92.5% (95% confidence interval [95% CI], 90.2-94.8) and osteoarthritis group, 95.3% (95% CI, 92.9-97.7); for aseptic loosening, AVN group, 98.6% (95% CI, 97.6-98.6) and osteoarthritis, 99.2% (95% CI, 98.4-100). The AVN group had higher numbers of revision for any reason (19 vs. 6, P=0.018) and for dislocation (8 vs. 1, P=0.031). Mean PMA scores at last follow-up were comparable in the AVN group (17.65±1.27 [range, 10-18]) and osteoarthritis group (17.59±1.32 [range, 14-18]) (P=0.139). Osseointegration was also similar in the two groups: global Engh score, 26.51±1.81 (range, 14-27) for AVN and 26.84±0.91 (range, 19.5-27) for osteoarthritis (P=0.065); femoral ARA score, 5.83±0.46 (range, 3-6) for AVN and 5.90±0.42 (range, 3-6) for osteoarthritis (P=0.064); and cup ARA score, 5.74±0.67 (range, 3-6) for AVN and 5.78±0.66 (range, 3-6) for osteoarthritis (P=0.344). DISCUSSION Survival in this study was good and consistent with recent data on AVN, with no difference between AVN and osteoarthritis. Revisions for any cause or for dislocation were more common after THA for AVN. Functional outcomes were similar in the AVN and osteoarthritis groups. An anatomical cementless prosthesis combined with metal-on-metal 28-mm bearing provides durable good outcomes. LEVEL OF EVIDENCE III, non-randomized comparison of two prospective cohorts.
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Affiliation(s)
- D Ancelin
- Département de Chirurgie Orthopédique, Traumatologique et Réparatrice, Hôpital Pierre-Paul-Riquet, place du Dr-Baylac, TSA 40 031, 31059 Toulouse cedex 9, France.
| | - N Reina
- Département de Chirurgie Orthopédique, Traumatologique et Réparatrice, Hôpital Pierre-Paul-Riquet, place du Dr-Baylac, TSA 40 031, 31059 Toulouse cedex 9, France
| | - E Cavaignac
- Département de Chirurgie Orthopédique, Traumatologique et Réparatrice, Hôpital Pierre-Paul-Riquet, place du Dr-Baylac, TSA 40 031, 31059 Toulouse cedex 9, France
| | - S Delclaux
- Département de Chirurgie Orthopédique, Traumatologique et Réparatrice, Hôpital Pierre-Paul-Riquet, place du Dr-Baylac, TSA 40 031, 31059 Toulouse cedex 9, France
| | - P Chiron
- Département de Chirurgie Orthopédique, Traumatologique et Réparatrice, Hôpital Pierre-Paul-Riquet, place du Dr-Baylac, TSA 40 031, 31059 Toulouse cedex 9, France
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Buente D, Huber G, Bishop N, Morlock M. Quantification of material loss from the neck piece taper junctions of a bimodular primary hip prosthesis. A retrieval study from 27 failed Rejuvenate bimodular hip arthroplasties. Bone Joint J 2016; 97-B:1350-7. [PMID: 26430009 DOI: 10.1302/0301-620x.97b10.35342] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The early failure and revision of bimodular primary total hip arthroplasty prostheses requires the identification of the risk factors for material loss and wear at the taper junctions through taper wear analysis. Deviations in taper geometries between revised and pristine modular neck tapers were determined using high resolution tactile measurements. A new algorithm was developed and validated to allow the quantitative analysis of material loss, complementing the standard visual inspection currently used. The algorithm was applied to a sample of 27 retrievals (in situ from 2.9 to 38.1 months) of the withdrawn Rejuvenate modular prosthesis. The mean wear volumes on the flat distal neck piece taper was 3.35 mm(3) (0.55 to 7.57), mainly occurring in a characteristic pattern in areas with high mechanical loading. Wear volume tended to increase with time to revision (r² = 0.423, p = 0.001). Implant and patient specific data (offset, stem size, patient's mass, age and body mass index) did not correlate with the amount of material loss observed (p > 0.078). Bilaterally revised implants showed higher amounts of combined total material loss and similar wear patterns on both sides. The consistent wear pattern found in this study has not been reported previously, suggesting that the device design and materials are associated with the failure of this prosthesis.
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Affiliation(s)
- D Buente
- TUHH Hamburg University of Technology, Denickestraße 15, 21073 Hamburg, Germany
| | - G Huber
- TUHH Hamburg University of Technology, Denickestraße 15, 21073 Hamburg, Germany
| | - N Bishop
- Hamburg University of Applied Sciences, Ulmenliet 20, 21033 Hamburg, Germany
| | - M Morlock
- TUHH Hamburg University of Technology, Denickestraße 15, 21073 Hamburg, Germany
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Tardy N, Maqdes A, Boisrenoult P, Beaufils P, Oger P. Small diameter metal-on-metal total hip arthroplasty at 13 years - a follow-up study. Orthop Traumatol Surg Res 2015; 101:929-36. [PMID: 26589191 DOI: 10.1016/j.otsr.2015.09.031] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Revised: 08/25/2015] [Accepted: 09/08/2015] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Theoretically, the properties of second-generation metal-on-metal (MoM) bearings are better for wear, osteolysis and longevity. However, follow-up studies of more than 10 years are rare, in particular with hybrid fixation (cemented stainless steel stems and cementless cup), therefore we evaluated the results of this combination after a mean follow-up of 12.8 years: (1) to analyze the survival rate, (2) to compare it with the survival rate in the same series after 6.4 years (95.8% cup, 94.8% stem), (3) to evaluate clinical and radiographic outcome and (4) to analyze these failures. HYPOTHESIS The number of revisions would increase after 10 years. MATERIALS AND METHODS We evaluated 106 total hip arthroplasties (THA) (Cedior™ press-fit cup with cemented Acora™ (n=50) and Exafit™ (n=56) stems and 28mm Metasul™ bearings performed between January 1999 and December 2002. The survival rate was calculated by the Kaplan-Meier method. The clinical assessment included the Postel Merle d'Aubigné (PMA) and Oxford scores. The radiographic assessment evaluated radiolucencies and osteolysis on standard X-rays. A histological analysis was only performed during revision THA. RESULTS After a mean 12.8 years of follow-up (10-16), 53 THA were reviewed in 48 patients. Thirteen THA revisions (14%) were performed including 11 aseptic revisions (5 stem fractures, 2 cases of impingement and 3 loosenings [1 bipolar and 3 cups] and one case of osteolysis). Overall survival, taking into account revision for aseptic loosening, was 87.6% (CI 95%=77.3 to 99.3%). The mean PMA and Oxford scores at the final follow-up were 17.6±0.8 points (16-18) and 16.5±5.2 points (12-38) respectively. The radiological follow-up mainly identified radiolucencies around the stem in Gruen zones 1 and 7 (17 and 21% respectively). DISCUSSION The survival rate of hybrid MoM THA in this series decreased after 10 years and is lower than studies evaluating cementless THA with the 28-mm Metasul™ bearings (90.9 to 100% survival). Although the clinical results are satisfactory, survival is lower. However, the role of MoM bearings is relative in these failures, in particular because trunnionoses (stainless steel stem with 28-mm head), impingement and especially 5-stem fractures were the main causes of failure. LEVEL OF EVIDENCE IV: retrospective study.
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Affiliation(s)
- N Tardy
- Service d'orthopédie-traumatologie, centre hospitalier Versailles - André-Mignot, 177, rue de Versailles, 78150 Le Chesnay, France.
| | - A Maqdes
- Service d'orthopédie-traumatologie, centre hospitalier Versailles - André-Mignot, 177, rue de Versailles, 78150 Le Chesnay, France
| | - P Boisrenoult
- Service d'orthopédie-traumatologie, centre hospitalier Versailles - André-Mignot, 177, rue de Versailles, 78150 Le Chesnay, France
| | - P Beaufils
- Service d'orthopédie-traumatologie, centre hospitalier Versailles - André-Mignot, 177, rue de Versailles, 78150 Le Chesnay, France
| | - P Oger
- Service d'orthopédie-traumatologie, centre hospitalier Versailles - André-Mignot, 177, rue de Versailles, 78150 Le Chesnay, France
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Lass R. [MUW researcher of the month]. Wien Klin Wochenschr 2015; 127:899-901. [PMID: 26525376 DOI: 10.1007/s00508-015-0892-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Richard Lass
- Univ.-Klinik für Orthopädie, Medizinische Universität Wien, Währinger Gürtel 18-20, 1090, Wien, Österreich.
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Affiliation(s)
- James T Ninomiya
- Department of Orthopaedic Surgery, FMLH Specialty Clinics Building, Medical College of Wisconsin, 5200 West Wisconsin Avenue, Milwaukee, WI 53226. E-mail address:
| | - John C Dean
- West Texas Orthopedics, 10 Desta Drive, Suite 100E, Midland, TX 79705
| | - Stephen J Incavo
- Houston Methodist Hospital, Smith Tower, 6550 Fannin Street, Suite 2600, Houston, TX 77030
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Metal-on-Metal Hip Arthroplasty: A Review of Adverse Reactions and Patient Management. J Funct Biomater 2015; 6:486-99. [PMID: 26132653 PMCID: PMC4598667 DOI: 10.3390/jfb6030486] [Citation(s) in RCA: 93] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 06/12/2015] [Accepted: 06/18/2015] [Indexed: 01/18/2023] Open
Abstract
Recent alarming joint registry data highlighting increased revision rates has prompted further research into the area of metal-on-metal hip replacements and resurfacings. This review article examines the latest literature on the topic of adverse reactions to metal debris and summarises the most up-to-date guidelines on patient management. Adverse reactions to metal debris can cause significant damage to soft tissue and bone if not diagnosed early. Furthermore, not every patient with an adverse reaction to metal debris will be symptomatic. As such, clinicians must remain vigilant when assessing and investigating these patients in order to detect failing implants and initiate appropriate management.
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Lass R, Grübl A, Kolb A, Stelzeneder D, Pilger A, Kubista B, Giurea A, Windhager R. Comparison of synovial fluid, urine, and serum ion levels in metal-on-metal total hip arthroplasty at a minimum follow-up of 18 years. J Orthop Res 2014; 32:1234-40. [PMID: 24841922 DOI: 10.1002/jor.22652] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Accepted: 05/02/2014] [Indexed: 02/04/2023]
Abstract
Diagnosis of adverse reactions to metal debris in metal-on-metal hip arthroplasty is a multifactorial process. Systemic ion levels are just one factor in the evaluation and should not be relied upon solely to determine the need for revision surgery. Furthermore, the correlation between cobalt or chromium serum, urine, or synovial fluid levels and adverse local tissue reactions is still incompletely understood. The hypothesis was that elevated serum and urine metal-ion concentrations are associated with elevated local metal-ion concentrations in primary total hip arthroplasties (THA) and with failure of metal-on-metal articulations in the long-term. In our present study, we evaluated these concentrations in 105 cementless THA with metal-on-metal articulating surfaces with small head diameter at a minimum of 18 years postoperatively. Spearman correlation showed a high correlation between the joint fluid aspirate concentration of cobalt and chromium with the serum cobalt (r = 0.81) and chromium level (r = 0.77) in patients with the THA as the only source of metal-ions. In these patients serum metal-ion analysis is a valuable method for screening. In patients with more than one source of metal or renal insufficiency additional investigations, like joint aspirations are an important tool for evaluation of wear and adverse tissue reactions in metal-on-metal THA.
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Affiliation(s)
- Richard Lass
- Department of Orthopaedics, Medical University of Vienna, Währinger Gürtel 18-20, A-1090, Vienna, Austria
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