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Rony L, Pascaretti-Grizon F, Hubert L, Chappard D. Histochemical identification of wear debris released by alumina-on-alumina hip prostheses in the periprosthetic tissues. Orthop Traumatol Surg Res 2021; 107:102636. [PMID: 33023845 DOI: 10.1016/j.otsr.2020.03.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 03/09/2020] [Accepted: 03/18/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND Tribological studies have shown that the most used couples for hip prostheses consist of metal-on-polyethylene and alumina-on-alumina prostheses. Over time, wear products accumulate in the joint cavity and in the periprosthetic tissues. Although polyethylene and metal are easily identifiable by microscopy in periprosthetic tissues, alumina particles are very difficult to identify. HYPOTHESIS The fluorescent azo-dye lumogallion was evaluated as a suitable histochemical stain for alumina particles in periprosthetic tissues. MATERIAL AND METHOD In 28 patients who had a prosthetic revision of an alumina-on-alumina prosthesis, periprosthetic tissues were removed and embedded in paraffin; sections were stained with HPS (for conventional diagnosis) or with lumogallion. Sections were examined for wear particles in light and fluorescence microscopy. Some sections were counter-stained using DAPI for visualization of cell nuclei. RESULTS The wear particles of the alumina-alumina prostheses were very difficult to identify on the HPS stained sections; they were clearly evidenced by lumogallion staining with a bright orange fluorescence. The stain revealed large quantities of particles (of the order of several thousand per section). Only two patients had no particles. The staining technique identified numerous particles that were not visible on HPS-stained sections in macrophages, synoviocytes and fibroblasts. CONCLUSION This staining, which has been validated in neuromuscular pathology for the identification of alumina used as a vaccine adjuvant, gave successful results in the present study. Alumina particles are modified when they are phagocytized by macrophages. lumogallion staining easily shows the presence of thousands of wear particles released by alumina-on-alumina prostheses in periprosthetic tissues. LEVEL OF EVIDENCE V expert opinion study.
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Affiliation(s)
- Louis Rony
- Groupe Etudes Remodelage Osseux et bioMatériaux, GEROM, EA-4658, SFR-4208, Univ-Angers, IRIS-IBS Institut de Biologie en Santé, CHU-Angers, 49933 Angers, France; Département de chirurgie osseuse, CHU-Angers, 49033 Angers, France
| | - Florence Pascaretti-Grizon
- Groupe Etudes Remodelage Osseux et bioMatériaux, GEROM, EA-4658, SFR-4208, Univ-Angers, IRIS-IBS Institut de Biologie en Santé, CHU-Angers, 49933 Angers, France
| | - Laurent Hubert
- Groupe Etudes Remodelage Osseux et bioMatériaux, GEROM, EA-4658, SFR-4208, Univ-Angers, IRIS-IBS Institut de Biologie en Santé, CHU-Angers, 49933 Angers, France; Département de chirurgie osseuse, CHU-Angers, 49033 Angers, France
| | - Daniel Chappard
- Département de chirurgie osseuse, CHU-Angers, 49033 Angers, France.
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Chappard D, Rony L, Ducellier F, Steiger V, Hubert L. Wear debris released by hip prosthesis analysed by microcomputed tomography. J Microsc 2020; 282:13-20. [PMID: 33118633 DOI: 10.1111/jmi.12971] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 09/30/2020] [Accepted: 10/18/2020] [Indexed: 11/28/2022]
Abstract
Total hip arthroplasty uses commercial devices that combine different types of biomaterials. Among them, metals, ceramics and metal oxides can be used either in the prosthesis itself or in the cement used to anchor them in the bone. Over time, all of these materials can wear out and release particles that accumulate in the periprosthetic tissues or can migrate away. We used histology blocks from 15 patients (5 titanium metallosis, 5 alumina prostheses, 5 with altered methacrylic cement) to perform a microCT study and compare it with conventional histology data. An EDS-SEM analysis was done to characterise the atomic nature of the materials involved. A morphometric analysis was also performed in 3D to count the particles and assess their density and size. The metallic particles appeared to be the largest and the ceramic particles the finest. However, microCT could not reveal the wear particles of radiolucent biomaterials such as polyethylene and the very fine zirconia particles from cement fragmentation. MicroCT analysis can reveal the extent of the accumulation of these debris in the periprosthetic tissues. LAYOUT DESCRIPTION: Hip prostheses progressively degrade in the body by releasing wear debris. They accumulate in the periprosthetic tissues. Microcomputed tomography was used to image three types of radio-opaque wear debris: metal, ceramic and zirconia used in the bone cements.
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Affiliation(s)
- D Chappard
- Groupe Etudes Remodelage Osseux et bioMatériaux, Univ-Angers, IRIS-IBS Institut de Biologie en Santé, CHU-Angers, Angers, France
| | - L Rony
- Groupe Etudes Remodelage Osseux et bioMatériaux, Univ-Angers, IRIS-IBS Institut de Biologie en Santé, CHU-Angers, Angers, France.,Département de Chirurgie Osseuse, CHU-Angers, Angers, France
| | - F Ducellier
- Département de Chirurgie Osseuse, CHU-Angers, Angers, France
| | - V Steiger
- Département de Chirurgie Osseuse, CHU-Angers, Angers, France
| | - L Hubert
- Groupe Etudes Remodelage Osseux et bioMatériaux, Univ-Angers, IRIS-IBS Institut de Biologie en Santé, CHU-Angers, Angers, France.,Département de Chirurgie Osseuse, CHU-Angers, Angers, France
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Wu KT, Wang JW, Lu YD, Yen SH, Lee MS. Isolated revision of the acetabular component using alumina-on-alumina bearings without a metal sleeve: A preliminary study. J Orthop Surg (Hong Kong) 2018; 25:2309499017721041. [PMID: 28735561 DOI: 10.1177/2309499017721041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
INTRODUCTION There has been a debate on the use of ceramic-on-ceramic coupling with the retained femoral stem in isolated acetabular revision. The purpose of this study was to retrospectively review the results and complications of isolated revision of the acetabular component using alumina-on-alumina bearings. METHODS Between August 2010 and December 2013, 22 patients (23 hips) with a mean age of 60.74 years (40-73) underwent isolated revision of the acetabular component from metal-on-polyethylene to alumina-on-alumina bearings without using a metal sleeve on the undamaged trunnion. All patients completed clinical and radiographic evaluation. RESULTS At a mean follow-up of 3 years (2-5.5), all patients had a significant improvement in the clinical outcome, including Harris Hip Score (84.9 vs. 43, p < 0.001), West Ontario McMaster University Osteoarthritis Index Score (14.4 vs. 49.2, p < 0.001), and visual analogue pain score (1.42 vs. 6.63, p < 0.001). Complications included one aseptic loosening of the acetabular component and three noisy hips (click only). No fracture of the ceramic bearings, dislocation, infection, or squeaking noise were observed in any of the patients. CONCLUSION Isolated revision of the acetabular component to alumina-on-alumina bearings on the undamaged trunnion may be considered if there is no available titanium sleeves. Our study showed a satisfactory early outcome with minimal complications. However, a longer term follow-up study is necessary.
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Affiliation(s)
- Kuan-Ting Wu
- 1 Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung City, Taiwan, Republic of China
| | - Jun-Wen Wang
- 1 Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung City, Taiwan, Republic of China.,2 College of Medicine, Chang Gung University, Kaohsiung City, Taiwan, Republic of China
| | - Yu-Der Lu
- 1 Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung City, Taiwan, Republic of China
| | - Shih-Hsiang Yen
- 1 Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung City, Taiwan, Republic of China
| | - Mel S Lee
- 1 Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung City, Taiwan, Republic of China.,2 College of Medicine, Chang Gung University, Kaohsiung City, Taiwan, Republic of China
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Characterization of wear debris released from alumina-on-alumina hip prostheses: Analysis of retrieved femoral heads and peri-prosthetic tissues. Micron 2018; 104:89-94. [DOI: 10.1016/j.micron.2017.11.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 11/03/2017] [Accepted: 11/03/2017] [Indexed: 11/20/2022]
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Pitto RP, Sedel L. Periprosthetic Joint Infection in Hip Arthroplasty: Is There an Association Between Infection and Bearing Surface Type? Clin Orthop Relat Res 2016; 474:2213-8. [PMID: 27249955 PMCID: PMC5014814 DOI: 10.1007/s11999-016-4916-y] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Preliminary studies have raised the question of whether certain prosthetic biomaterials used in total hip arthroplasty (THA) bearings are associated with increased risk of periprosthetic joint infection (PJI). For example, some observational data suggest the risk of PJI is higher with metal-on-metal bearings. However, it is not known whether other bearings-including ceramic bearings or metal-on-polyethylene bearings-may be associated with a higher or lower risk of PJI. QUESTIONS/PURPOSES The objective of this study was to use a national arthroplasty registry to assess whether the choice of bearings-metal-on-polyethylene (MoP), ceramic-on-polyethylene (CoP), ceramic-on-ceramic (CoC), or metal-on-metal (MoM)-is associated with differences in the risk of revision for deep infection, either (1) within 6 months or (2) over the entire period of observation, which spanned 15 years. METHODS Data from primary THAs were extracted from the New Zealand Joint Registry over a 15-year period. A total of 97,889 hips were available for analysis. Inclusion criterion was degenerative joint disease; exclusion criteria were previous surgery, trauma, and any other diagnosis (12,566 hips). We also excluded a small group of ceramic-on-metal THAs (429) with short followup. The median observation period of the selected group of hips (84,894) was 9 years (range, 1-15 years). The mean age of patients was 68 years (SD ± 11 years), and 52% were women. There were 54,409 (64%) MoP, 16,503 (19%) CoP, 9051 (11%) CoC, and 4931 (6%) MoM hip arthroplasties. Four hundred one hips were revised for deep infection. A multivariate assessment was carried out including the following risks factors available for analysis: age, sex, operating room type, use of body exhaust suits, THA fixation mode, and surgeon volume. Because of late introduction of data collection in the Registry, we were unable to include body mass index (BMI, recording started 2010) and medical comorbidities according to the American Society of Anesthesiologists class (ASA, recording started 2005) in the multivariate analysis. RESULTS The rate of early PJI (< 6 months) did not differ by bearing surface. In contrast, we observed a difference over the total observation period. Within the first 6 months after the index surgery, CoC THAs were not associated with a lower risk of revision for PJI (p = 0.118) when compared with CoP (hazard ratio [HR], 1.31; 95% confidence interval [CI], 0.50-3.41), MoP (HR, 2.10; CI, 0.91-4.82), and MoM (HR, 2.04; CI, 0.69-6.09). When the whole observation period was considered, CoC hips were associated with a lower risk of revision for deep infection when compared with CoP (HR, 1.30; CI, 0.78-2.18; p = 0.01), MoP (HR, 1.75; CI, 1.07-2.86; p = 0.02), and MoM (HR, 2.12; CI, 1.23-3.65; p = 0.008). CONCLUSIONS Our finding associating CoC THA bearings with a lower risk of infection after THA must be considered very preliminary, and we caution readers against attributing all of the observed difference to the bearing surface. It is possible that some or all of the observed difference associated with bearing type may have been driven by other factors such as ASA and BMI, which could not be included in our multivariate analysis, and so future registry studies on this topic must assess those variables carefully. LEVEL OF EVIDENCE Level III, therapeutic study.
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Affiliation(s)
- Rocco P. Pitto
- Department of Orthopaedic Surgery, Middlemore Hospital, University of Auckland, South Auckland Clinical Campus, Auckland, 93311 New Zealand
| | - Laurent Sedel
- Lariboisière/Saint-Louis Hospital, University of Paris Denis Diderot, Paris, France
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Pitto RP, Garland M, Sedel L. Are ceramic-on-ceramic bearings in total hip arthroplasty associated with reduced revision risk for late dislocation? Clin Orthop Relat Res 2015; 473:3790-5. [PMID: 26070775 PMCID: PMC4626510 DOI: 10.1007/s11999-015-4395-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Dislocation is a major complication after primary total hip arthroplasty (THA), but little is known about the potential relationships between bearing materials and risk of dislocation. Dislocation within the first year after surgery is typically related to either surgical error or patient inattention to precautions, but the reasons for dislocation after the first year are often unclear, and whether ceramic bearings are associated with an increased or decreased likelihood of late dislocation is controversial. QUESTIONS/PURPOSES The purpose of this study was to use a national registry to assess whether the choice of bearings-metal-on-polyethylene (MoP), ceramic-on-polyethylene (CoP), ceramic-on-ceramic (CoC), or metal-on-metal (MoM)-is associated with differences in the risk of late dislocation. METHODS Data from primary THAs were extracted from the New Zealand Joint Registry over a 10-year period. The mean age of patients was 69 years (SD ± 12 years), and 53% were women. The median followup in this population was 7 years (range, 1-13 years). The surgical approach used was posterior in 66% of THAs, lateral in 29%, and anterior in 5%. The primary endpoint was late revision for dislocation with "late" defined as greater than 1 year postoperatively. A total of 73,386 hips were available for analysis: 65% MoP, 17% CoP, 10% CoC, and 7% MoM. In general, patients receiving CoC and MoM bearings were younger compared with patients receiving CoP and MoP bearings. RESULTS Four percent of the hips were revised (3130 THAs); 867 THAs were revised for dislocation. Four hundred seventy THAs were revised for dislocation after the first postoperative year. After adjusting for head size, age, and surgical approach, only CoP (hazard ratio [HR], 2.10; p = 0.021) demonstrated a higher proportion of revision, whereas MoP did not (HR, 1.76; 95% p = 0.075). There were no differences of revisions for dislocation in the CoC (HR, 1.60; p = 0.092) and MoM cohorts (HR, 1.54; p = 0.081). CONCLUSIONS Dislocation is a common reason for revision after THA. The relationships between bearing materials and risk of revision for late dislocation remain controversial. This large registry study demonstrated that bearing surface had little association with the incidence of late dislocation. Future studies with longer followups should continue to investigate this question. LEVEL OF EVIDENCE Level III, therapeutic study.
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Affiliation(s)
- Rocco P. Pitto
- Department of Orthopaedic Surgery, Middlemore Hospital, South Auckland Clinical School, University of Auckland, Otahuhu, 93311 Auckland, New Zealand
| | - Mikaela Garland
- Department of Orthopaedic Surgery, Middlemore Hospital, South Auckland Clinical School, University of Auckland, Otahuhu, 93311 Auckland, New Zealand
| | - Laurent Sedel
- Lariboisière/Saint-Louis Hospital, University of Paris Denis Diderot, Paris, France
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Carvajal Alba JA, Elpers ME, Rosenberg AE, Robinson RP. Suboptimal Component Position Leading to Severe Wear of an Alumina-Alumina Total Hip Coupling: Biomechanical Analysis and Documentation of Limited Tissue Response. HSS J 2015; 11:166-71. [PMID: 26140037 PMCID: PMC4481258 DOI: 10.1007/s11420-015-9443-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2014] [Accepted: 03/24/2015] [Indexed: 02/07/2023]
Affiliation(s)
- Jaime A. Carvajal Alba
- />Department of Orthopaedic Surgery, University of Miami, 1611 N.W. 12th Ave, Suite 303, Miami, FL 33136 USA
| | - Marcella E. Elpers
- />Department of Biomechanics, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021 USA
| | | | - Raymond P. Robinson
- />Department of Orthopaedic Surgery, University of Miami, 1611 N.W. 12th Ave, Suite 303, Miami, FL 33136 USA
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Kim Y, Kim YH, Hwang KT, Choi IY. Isolated acetabular revision with ceramic-on-ceramic bearings using a ceramic head with a metal sleeve. J Arthroplasty 2014; 29:2420-3. [PMID: 24726173 DOI: 10.1016/j.arth.2014.03.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 02/14/2014] [Accepted: 03/08/2014] [Indexed: 02/01/2023] Open
Abstract
The purpose of this study is to evaluate results of isolated acetabular revision with ceramic-on-ceramic bearings using a ceramic head with a metal sleeve. A retrospective review of fifty-three hips was performed. The mean patient age was 49.9years and the mean follow-up period was 5.7years. The mean modified Harris hip score improved from 47.5, pre-operatively, to 84.7 at the time of last follow-up (P<0.001). Two patients reported squeaking of the hip. Three patients experienced loosening cup, necessitating re-revision surgery. There was a significant difference of acetabular bone defect between loose cup group and stable cup group (P=0.018). There were no ceramic fractures and no osteolysis. The survival rate of the acetabular cup at the mid-term follow-up was 94.3%. In conclusion, ceramic head with a metal sleeve can be a reliable option for isolated acetabular revision.
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Affiliation(s)
- Yeesuk Kim
- Department of Orthopedic Surgery, Hanyang University Hospital, Seoul, South Korea
| | - Young-Ho Kim
- Department of Orthopedic Surgery, Hanyang University Guri Hospital, Gyunggi-do, South Korea
| | - Kyu-Tae Hwang
- Department of Orthopedic Surgery, Hanyang University Hospital, Seoul, South Korea
| | - Il-Yong Choi
- Department of Orthopedic Surgery, Hanyang University Hospital, Seoul, South Korea
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Pitto RP, Walter WL, Pitto RP. Clinical faceoff: Ceramic-on-ceramic THA: do the advantages outweigh the limitations? Clin Orthop Relat Res 2014; 472:2927-31. [PMID: 24818735 PMCID: PMC4160492 DOI: 10.1007/s11999-014-3665-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Accepted: 04/24/2014] [Indexed: 01/31/2023]
Affiliation(s)
- Rocco P. Pitto
- Department of Orthopaedic Surgery, Middlemore Hospital, South Auckland Clinical School, University of Auckland, Priv. Bag 93311, Auckland, New Zealand
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Ceramic on ceramic hip prostheses: a review of past and modern materials. Arch Orthop Trauma Surg 2014; 134:1325-33. [PMID: 25038921 DOI: 10.1007/s00402-014-2020-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Indexed: 02/09/2023]
Abstract
Ceramic on ceramic hip prostheses are an increasingly popular choice for hip replacement. Modern manufacturing techniques and developments have increased the strength and reliability of ceramic materials. The alternative bearing couples such as metal-on-polyethylene and metal-on-metal are more inclined to wear and produce particulate debris. Despite reports of fractures and stripe wear, harder, more inert and more wear resistant, modern ceramic-ceramic hip replacements provide a strong alternative to traditional bearings.
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Owen DH, Russell NC, Smith PN, Walter WL. An estimation of the incidence of squeaking and revision surgery for squeaking in ceramic-on-ceramic total hip replacement: a meta-analysis and report from the Australian Orthopaedic Association National Joint Registry. Bone Joint J 2014; 96-B:181-7. [PMID: 24493182 DOI: 10.1302/0301-620x.96b2.32784] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Squeaking arising from a ceramic-on-ceramic (CoC) total hip replacement (THR) may cause patient concern and in some cases causes patients to seek revision surgery. We performed a meta-analysis to determine the incidence of squeaking and the incidence of revision surgery for squeaking. A total of 43 studies including 16,828 CoC THR that reported squeaking, or revision for squeaking, were entered into the analysis. The incidence of squeaking was 4.2% and the incidence of revision for squeaking was 0.2%. The incidence of squeaking in patients receiving the Accolade femoral stem was 8.3%, and the incidence of revision for squeaking in these patients was 1.3%.
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Affiliation(s)
- D H Owen
- Trauma and Orthopaedic Research Unit, Building 6 Level 1, The Canberra Hospital, PO Box 11, Woden ACT, 2606, and Australian National University Medical School, Level 2, Peter Baume Building 42, Linnaeus Way, Canberra, ACT, 0200, Australia
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Abstract
BACKGROUND AND PURPOSE Ceramic-on-ceramic (CoC) bearings have been in use in total hip replacement (THR) for more than 40 years, with excellent long-term survivorship. Although there have been several simulator studies describing the performance of these joints, there have only been a few retrieval analyses. The aim of this study was to investigate the wear patterns, the surface properties, and friction and lubrication regimes of explanted first-generation alumina bearings. MATERIALS AND METHODS We studied 9 explanted CoC bearings from Autophor THRs that were revised for aseptic loosening after a mean of 16 (range 7-19) years. The 3D surface roughness profiles of the femoral heads and acetabular cups (Srms, Sa, and Ssk) were measured to determine the microscopic wear. The bearings were imaged using an atomic-force microscope in contact mode, to produce a topographical map of the surfaces of the femoral heads. Friction tests were performed on the bearing couples to determine the lubrication regime under which they were operating during the walking cycle. The diametral clearances were also measured. RESULTS 3 femoral heads showed stripe wear and the remaining 6 bearings showed minimal wear. The femoral heads with stripe wear had significantly higher surface roughness than the minimally worn bearings (0.645 vs. 0.289, p = 0.04). High diametral clearances, higher than expected friction, and mixed/boundary lubrication regimes prevailed in these retrieved bearings. INTERPRETATION Despite the less than ideal tribological factors, these first-generation CoC bearings still showed minimal wear in the long term compared to previous retrieval analyses.
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Affiliation(s)
- Muhammad Korim
- University Hospitals of Leicester, Leicester General Hospital, Leicester
| | - Susan Scholes
- School of Mechanical and Systems Engineering, Newcastle University, Newcastle
| | - Anthony Unsworth
- School of Engineering and Computing Sciences, Durham University, Durham, UK.
| | - Richard Power
- University Hospitals of Leicester, Leicester General Hospital, Leicester
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Affiliation(s)
- Ole Reigstad
- Hand- and Microsurgery section Orthopaedic department OUS-Rikshospitalet Postboks 4950 Nydalen 0424 Oslo Norway
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Abstract
Total hip arthroplasty continues to be one of the most effective surgical procedures currently available. The longevity of this otherwise very successful procedure is compromised by the wear of the bearing surface. In recent years, great advances have been made in the design of bearing surfaces that poise to offer extended performance to these artificial joints. The purpose of this review is to discuss the recent technologic advances in bearing surfaces and offer an insight to the potential benefits and concerns with the alternative bearing surfaces.
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Affiliation(s)
- Richard Tuli
- Rothman Institute at Thomas Jefferson University, Philadelphia, PA 19107, USA
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Zhou Y, Sun C, Wang Y. New Method Addressing the Problem of Using Ceramic-on-Ceramic Bearing in Too Small Acetabulum of High-Riding DDH Patients with THA. ACTA ACUST UNITED AC 2012. [DOI: 10.1053/j.sart.2012.12.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Affatato S, Traina F, De Fine M, Carmignato S, Toni A. Alumina-on-alumina hip implants. ACTA ACUST UNITED AC 2012; 94:37-42. [DOI: 10.1302/0301-620x.94b1.26956] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Alumina–alumina bearings are among the most resistant to wear in total hip replacement. Examination of their surfaces is one way of comparing damage caused by wear of hip joints simulated in vitro to that seen in explanted bearings. The aim of this study was to determine whether second-generation ceramic bearings exhibited a better pattern of wear than those reported in the literature for first-generation bearings. We considered both macro- and microscopic findings. We found that long-term alumina wear in association with a loose acetabular component could be categorised into three groups. Of 20 specimens, four had ‘low wear’, eight ‘crescent wear’ and eight ‘severe wear’, which was characterised by a change in the physical shape of the bearing and a loss of volume. This suggests that the wear in alumina–alumina bearings in association with a loose acetabular component may be variable in pattern, and may explain, in part, why the wear of a ceramic head in vivo may be greater than that seen after in vitro testing.
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Affiliation(s)
- S. Affatato
- Laboratorio di Tecnologia Medica, Istituto
Ortopedico Rizzoli, Via di Barbiano, 1/10, Bologna
40136, Italy
| | - F. Traina
- Laboratorio di Tecnologia Medica, Istituto
Ortopedico Rizzoli, Via di Barbiano, 1/10, Bologna
40136, Italy
| | - M. De Fine
- Laboratorio di Tecnologia Medica, Istituto
Ortopedico Rizzoli, Via di Barbiano, 1/10, Bologna
40136, Italy
| | - S. Carmignato
- DTG Precision Manufacturing Engineering
Group, Padova University, Via Venezia 1/I 35131
Padova, Italy
| | - A. Toni
- Laboratorio di Tecnologia Medica, Istituto
Ortopedico Rizzoli, Via di Barbiano, 1/10, Bologna
40136, Italy
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Zywiel MG, Sayeed SA, Johnson AJ, Schmalzried TP, Mont MA. State of the art in hard-on-hard bearings: how did we get here and what have we achieved? Expert Rev Med Devices 2011; 8:187-207. [PMID: 21627555 DOI: 10.1586/erd.10.75] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Total hip arthroplasty has shown excellent results in decreasing pain and improving function in patients with degenerative disease of the hip. Improvements in prosthetic materials, designs and implant fixation have now resulted in wear of the bearing surface being the limitation of this technology, and a number of hard-on-hard couples have been introduced to address this concern. The purpose of this article is to review the origins, development, survival rates and potential advantages and disadvantages of the following hard-on-hard bearings for total hip arthroplasty: metal-on-metal standard total hip arthroplasty; metal-on-metal hip resurfacing arthroplasty, ceramic-on-ceramic total hip arthroplasty; and ceramic-on-metal bearings. Improvements in the manufacturing of metal-on-metal bearings over the past 50 years have resulted in implants that provide low wear rates and allow for the use of large femoral heads. However, concerns remain regarding elevated serum metal ion levels, potential teratogenic effects and potentially devastating adverse local tissue reactions, whose incidence and pathogenesis remains unclear. Modern total hip resurfacing has shown excellent outcomes over 10 years in the hands of experienced surgeons. Current ceramic-on-ceramic bearings have demonstrated excellent survival with exceptionally low wear rates and virtually no local adverse effects. Concerns remain for insertional chipping, in vivo fracture and the variable incidence of squeaking. Contemporary ceramic-on-metal interfaces are in the early stages of clinical use, with little data reported to date. Hard-on-hard bearings for total hip arthroplasty have improved dramatically over the past 50 years. As bearing designs continue to improve with new and modified materials and improved manufacturing techniques, it is likely that the use of hard-on-hard bearings will continue to increase, especially in young and active patients.
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Affiliation(s)
- Michael G Zywiel
- Division of Orthopaedic Surgery, University of Toronto, 100 College Street Room 302, Toronto, Ontario M5G 1L5, Canada
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20
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Amanatullah DF, Landa J, Strauss EJ, Garino JP, Kim SH, Di Cesare PE. Comparison of surgical outcomes and implant wear between ceramic-ceramic and ceramic-polyethylene articulations in total hip arthroplasty. J Arthroplasty 2011; 26:72-7. [PMID: 21680138 DOI: 10.1016/j.arth.2011.04.032] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2010] [Accepted: 04/20/2011] [Indexed: 02/01/2023] Open
Abstract
The results of a prospective multicenter trial comparing 357 hips randomized to total hip arthroplasty with either ceramic-ceramic or ceramic-polyethylene couplings are presented. No statistically significant difference in clinical outcomes scores between the ceramic-ceramic and ceramic-polyethylene groups was observed at any time interval. The mean linear rate was statistically lower (P < .001) in the ceramic-ceramic group (30.5 μm/year) when compared with the ceramic-polyethylene group (218.2 μm/year). The rates of ceramic implant fracture (2.6%) and audible component-related noise (3.1%) were statistically higher in the ceramic-ceramic group when compared with the ceramic-polyethylene group (P < .05). Lastly, there was no statistically significant difference in the dislocation or revision rate between the groups at the time of last clinical follow-up.
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Affiliation(s)
- Derek F Amanatullah
- Department of Orthopaedic Surgery, University of California at Davis Medical Center, Sacramento, California 95817, USA
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21
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Sexton SA, Yeung E, Jackson MP, Rajaratnam S, Martell JM, Walter WL, Zicat BA, Walter WK. The role of patient factors and implant position in squeaking of ceramic-on-ceramic total hip replacements. ACTA ACUST UNITED AC 2011; 93:439-42. [PMID: 21464479 DOI: 10.1302/0301-620x.93b4.25707] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We investigated factors that were thought to be associated with an increased incidence of squeaking of ceramic-on-ceramic total hip replacements. Between June 1997 and December 2008 the three senior authors implanted 2406 primary total hip replacements with a ceramic-on-ceramic bearing surface. The mean follow-up was 10.6 years. The diagnosis was primary osteoarthritis in each case, and no patient had undergone previous surgery to the hip. We identified 74 squeaking hips (73 patients) giving an incidence of 3.1% at a mean follow-up of 9.5 years (4.1 to 13.3). Taller, heavier and younger patients were significantly more likely to have hips that squeaked. Squeaking hips had a significantly higher range of post-operative internal (p = 0.001) and external rotation (p = 0.003) compared with silent hips. Patients with squeaking hips had significantly higher activity levels (p = 0.009). A squeaking hip was not associated with a significant difference in patient satisfaction (p = 0.24) or Harris hip score (p = 0.34). Four implant position factors enabled good prediction of squeaking. These were high acetabular component inclination, high femoral offset, lateralisation of the hip centre and either high or low acetabular component anteversion. This is the largest study to date to examine patient factors and implant position factors that predispose to squeaking of a ceramic-on-ceramic hip. The results suggest that factors which increase the mechanical forces across the hip joint and factors which increase the risk of neck-to-rim impingement, and therefore edge-loading, are those that predispose to squeaking.
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Affiliation(s)
- S A Sexton
- Mater Misericordae Hospital, Sydney, Australia.
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22
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Abstract
BACKGROUND Reports in the literature have linked high acetabular inclination angles to increased wear of ceramic-on-ceramic bearings. However, many of these studies were only conducted in vitro and did not address the clinical relevance of such findings. QUESTIONS/PURPOSES We therefore determined: (1) whether the cup inclination angle influences survival or function in patients with ceramic-on-ceramic implants; (2) the incidence of radiolucencies, osteolysis, and subsidence of ceramic-on-ceramic implants; and (3) whether the survival rate higher for ceramic-on-ceramic THAs than for conventional metal-on-polyethylene THAs. METHODS We retrospectively reviewed 537 THAs performed in 512 prospectively followed patients having THA between October 1996 and October 2000. Eleven patients (12 hips) were lost to followup before 2 years, leaving 501 patients (525 THAs); of these, 421 were alumina ceramic-on-ceramic articulations and 104 cobalt-chromium-on-polyethylene. The mean age was 54 years. We determined acetabular cup inclination angles, Harris hip scores, Health-Status-Questionnaire-12 scores, and presence and location of any radiolucencies, osteolysis, or radiographic subsidence. We compared survival using the Kaplan-Meier method. The minimum followup was 24 months (mean, 59 months; range, 24-120 months). RESULTS Twenty-two of the 424 THAs (4.2%) were revised. We observed no difference in clinical or radiographic outcomes with respect to cup inclination angles. Radiographically, two loose acetabular components and two femoral components had subsided. The 5-year survival rate was slightly higher for ceramic-on-ceramic bearings (98%) than for metal-on-polyethylene (92%). CONCLUSIONS Although there may be a link between acetabular inclination angles and wear rates as reported by some authors, we found no differences in patient function or radiographic survivorship using alumina-on-alumina articulations.
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Metal-on-metal: history, state of the art (2010). INTERNATIONAL ORTHOPAEDICS 2011; 35:201-6. [PMID: 21234564 DOI: 10.1007/s00264-010-1180-8] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2010] [Accepted: 11/22/2010] [Indexed: 12/20/2022]
Abstract
The history of metal-on-metal bearing began with K. Mc Kee. Several "episodes" have marked the history of metal-on-metal articulations, and each has contributed to a better understanding of this type of tribology. But to date the indications for this bearing are debated and are subject to reservations because of the existence of permanently elevated levels of circulating metal ions. It therefore appears that the monitoring of our patients, the documentation of our revisions and the collaboration with our industry partners as well as communicating with our biology and pathology colleagues is necessary to help us solve these problems.
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Hannouche D, Zaoui A, Zadegan F, Sedel L, Nizard R. Thirty years of experience with alumina-on-alumina bearings in total hip arthroplasty. INTERNATIONAL ORTHOPAEDICS 2010; 35:207-13. [PMID: 21191579 DOI: 10.1007/s00264-010-1187-1] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 11/23/2010] [Accepted: 12/05/2010] [Indexed: 12/12/2022]
Abstract
Alumina-on-alumina bearings in total hip arthroplasty have been developed in an attempt to minimise debris and the occurrence of osteolytic lesions. The outstanding tribological properties of this bearing system are explained by low surface roughness, high hardness for major scratch resistance, and high wettability. Since the 1970s, technological improvements in the manufacturing process of alumina components together with a better understanding of Morse taper technology have provided a surgical grade material with high density, high purity and small grains. Published studies on the outcome of total hip arthroplasty performed with this new generation of implants showed high survivorship especially in young and active patients, with survival rates free of revision of 90.8% to 97.4% at ten years. However, concern remains over ceramic liner fracture and squeaking, which has been noted recently with increasing prevalence. This review will discuss the current knowledge on the use of alumina-on-alumina bearings.
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Affiliation(s)
- Didier Hannouche
- Department of Orthopaedic Surgery and Traumatology, AP-HP, Hôpital Lariboisière (University Paris 7), 2 rue Ambroise Paré, 75010 Paris, France.
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25
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Abstract
BACKGROUND Strategies for revising a ceramic-on-ceramic total hip prosthesis are controversial. Some consider reimplantation of a ceramic head on a well-fixed femoral stem inadvisable as it may lead to a fracture of the newly implanted head. QUESTIONS/PURPOSES We assessed (1) the risk of fracture when a new ceramic head was placed on a previously implanted trunion; (2) the survival rate of the revised hips; and (3) hip function and acetabular and femoral component loosening at midterm followup. PATIENTS AND METHODS We retrospectively reviewed all 126 patients (139 hips) who had revision of alumina-alumina hip arthroplasties between January 1977 and December 2005. Of these, 99 patients (110 hips) had revision of the socket only with retention of the femoral component. The femoral head was left in place in 33 hips, the same alumina head was re-implanted in seven hips, a new alumina head was implanted in 45 hips, a metallic head in 16, and a zirconia head in nine. Twenty-six patients (29 hips) died and nine (10 hips) were lost to followup before 5 years; this left 71 hips for review. Minimum followup was 60 months (mean, 112 months; range, 60-319 months). RESULTS Eighteen hips required rerevision surgery, 11 for aseptic loosening, two for septic loosening, two for fracture of a ceramic liner, one for recurrent dislocation, one for ipsilateral femoral fracture, and one for unexplained pain. Among the 61 ceramic heads implanted on a well-fixed stem, no fracture of the head occurred at a mean 88 months' followup. The survival rate at 10 years with mechanical failure as the end point was 81.6%. CONCLUSIONS We observed no fractures of the ceramic heads implanted on a previous titanium trunion. This approach is possible if inspection shows no major imperfection of the Morse taper.
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26
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Is alumina-on-alumina ceramic bearings total hip replacement the right choice in patients younger than 50 years of age? A 7- to 15-year follow-up study. Orthop Traumatol Surg Res 2010; 96:616-22. [PMID: 20620127 DOI: 10.1016/j.otsr.2010.02.013] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2009] [Revised: 01/31/2010] [Accepted: 02/15/2010] [Indexed: 02/02/2023]
Abstract
INTRODUCTION The alumina-on-alumina bearing couple in total hip replacement seems to be well adapted for young and active patients because of the absence of wear and the rarity of osteolysis. Over the long term, doubts persist as to the cementless cup fixation and on the functioning of this bearing system because of possible acoustic emissions during use. HYPOTHESIS In young subjects, the ceramic-on-ceramic bearing system limits wear and osteolysis occurrences, without exposing patients to serious side effects. MATERIAL AND MEHTODS: We report the results, with between 7 and 15 years of follow-up, for 32mm-diameter alumina-on-alumina implants in 76 patients younger than 50 years of age (83 hips), combining cementless press-fit hemispheric cups with titanium stems, [either cemented (63 Osteal™ stems) or cementless (20 Multicône™ stems)], with particular attention paid to cup fixation and noise emissions during implant function. First-generation or Cerafit trellis™ acetabular components had a riveted titanium mesh (31 cases), whereas the most recent (Cerafit hydroxyapatite [HA]™) cups had a porous surface coated with hydroxyapatite (52 cases). RESULTS Three cases of aseptic loosening of the cemented stems were observed as well as late migration of a Cerafit trellis™ cup in the 12th postoperative year. One ceramic insert broke in the eighth postoperative year. With the exception of one case, the patients, questioned retrospectively, reported no audible noise. With aseptic loosening (revised or not), the criterion for failure, the 12-year survival rate was 91±11% for the Cerafit trellis™ acetabular components and 91±16% for the cemented Osteal™ stems. The 9- and 7-year survival rates for the Cerafit HA™ cups and the Multicône™ stems, respectively, were 100%. Including all revisions for any cause, the 10-year survival rate of the entire series was 92%±11%. DISCUSSION Despite the absence of wear and osteolysis, the long-term survival of these implants in young subjects should be improved. Although longer follow-up is necessary to formulate a definitive opinion, we tend to prefer cementless stem and cup fixation in ceramic-on-ceramic bearing systems. LEVEL OF EVIDENCE Level 4 retrospective study.
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27
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Murali R, Bonar SF, Kirsh G, Walter WK, Walter WL. Osteolysis in third-generation alumina ceramic-on-ceramic hip bearings with severe impingement and titanium metallosis. J Arthroplasty 2008; 23:1240.e13-9. [PMID: 18534463 DOI: 10.1016/j.arth.2007.10.020] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2007] [Accepted: 10/16/2007] [Indexed: 02/01/2023] Open
Abstract
The most common cause of long-term failure of total hip arthroplasty is osteolysis and aseptic loosening secondary to wear debris. Combinations of hard materials such as ceramic-on-ceramic generate smaller volumes of particulate wear debris than traditional combinations such as metal-on-polyethylene. We describe 2 cases where osteolysis arose in hips with third-generation alumina ceramic-on-ceramic couplings. Periarticular tissue in both cases contained titanium wear debris due to impingement of the neck of the titanium femoral component against the rim of the titanium shell and ceramic debris from edge loading wear (stripe wear) of the ceramic. It is not clear whether the titanium debris, the ceramic debris, or both caused the osteolysis. These cases illustrate that the risk of osteolysis persists, even with third-generation alumina ceramics.
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Affiliation(s)
- Rajmohan Murali
- Department of Histopathology, Douglass Hanly Moir Pathology, Macquarie Park NSW, Australia
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28
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Aldridge JM, Urbaniak JR. Vascularized fibular grafting for osteonecrosis of the femoral head with unusual indications. Clin Orthop Relat Res 2008; 466:1117-24. [PMID: 18357495 PMCID: PMC2311484 DOI: 10.1007/s11999-008-0201-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2007] [Accepted: 02/19/2008] [Indexed: 01/31/2023]
Abstract
We retrospectively reviewed the charts of 154 patients of various subgroups treated with the free vascularized fibular graft procedure for osteonecrosis of the femoral head (ONFH), evaluating pre- and postoperative Harris hip scores, hip range of motion, radiographs, and number of conversions to total hip arthroplasty (THA). Patients were followed a minimum of 1 year (mean, 6.8 years, range, 1 to 19 years). Athletes and patients with pyarthrosis-related osteonecrosis had high Harris hip scores at final review with scores of 94 and 97, respectively. Patients with ONFH after a slipped capital femoral epiphysis or following pregnancy had a low conversion rate to THA at 6% and 8%, respectively. Twenty-five percent of patients with transplant-related osteonecrosis of the femoral head were converted to THA at an average of 2.7 years. However, with select subsets of patients (athletes, pregnancy, organ transplant, femoral neck non-union, slipped capital femoral epiphysis, infection) the FVFG can result in a high rate of success.
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Affiliation(s)
- J. Mack Aldridge
- Division of Orthopaedic Surgery, Duke University Medical Center, 3116 North Duke Street, Durham, NC 27704 USA
| | - James R. Urbaniak
- Division of Orthopaedic Surgery, Duke University Medical Center, 3116 North Duke Street, Durham, NC 27704 USA
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29
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Abstract
Alumina on the alumina sliding system in a total hip replacement is recognized as a breakthrough in orthopaedic surgery. Advantages and problems with this material are explained and discussed in the light of 36 years of clinical application. Laboratory data as well as clinical ones are summarized.
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Affiliation(s)
- L Sedel
- Department of Orthopaedics, Hopital Lariboisiere, University Denis Diderot Paris, Paris, France. .-hop-paris.fr
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30
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Grübl A, Weissinger M, Brodner W, Gleiss A, Giurea A, Gruber M, Pöll G, Meisinger V, Gottsauner-Wolf F, Kotz R. Serum aluminium and cobalt levels after ceramic-on-ceramic and metal-on-metal total hip replacement. ACTA ACUST UNITED AC 2006; 88:1003-5. [PMID: 16877596 DOI: 10.1302/0301-620x.88b8.17870] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
In a randomised study, 28 patients with a mean age of 62.2 years (32 to 81) with osteoarthritis or avascular necrosis of the hip received either a ceramic-on-ceramic or a metal-on-metal total hip replacement. Apart from the liners the acetabular and femoral components were made of Ti-Al-Nb alloy. The serum aluminium and cobalt levels were measured before, and at one year after surgery. The 15 patients in the ceramic-on-ceramic group had a median pre-operative aluminium level of 1.3 microg/l (0.25 to 8.4) and a cobalt level below the detection limit. At one year the aluminium level was 1.1 microg/l (0.25 to 2.3) and the cobalt level was 0.4 microg/l (0.15 to 0.7). The 13 patients in the metal-on-metal group had a median pre-operative aluminium level of 1.9 microg/l (0.25 to 4.4) and a cobalt level below the detection limit. At one year the median aluminium level was 0.9 microg/l (0.25 to 3.9) whereas the cobalt level was 1.4 microg/l (0.5 to 10.5). This increase in the cobalt level at one year was significant (p < 0.001). Our findings indicate that ceramic-on-ceramic bearings do not cause elevated levels of serum aluminium in the first post-operative year.
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Affiliation(s)
- A Grübl
- Department of Orthopaedics, Medical University of Vienna Austria.
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31
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Isaac GH, Siebel T, Schmalzried TP, Cobb AG, O'Sullivan T, Oakeshott RD, Flett M, Vail TP. Development rationale for an articular surface replacement: a science-based evolution. Proc Inst Mech Eng H 2006; 220:253-68. [PMID: 16669392 DOI: 10.1243/095441105x69132] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Hip resurfacing has an enduring appeal because of the advantages of bone conservation and maximal joint stability. However, a far from satisfactory experience with earlier resurfacing designs led to its virtual disappearance in the 1980s. The concept was reintroduced in the late 1990s. The current generation of resurfacing devices generally consisted of a large-diameter metal-on-metal articulation, the femoral components being cemented and the acetabular components utilizing various forms of cementless fixation. The encouraging medium-term results, with a follow-up of up to 8 years using the current generation of surface replacement joints, combined with favourable reports related to long-term performance of some metal bearings have led to a rapid increase in the use of such components with these devices. This trend is most marked in younger, more active patients who have expectations of restoration of lifestyle in addition to improved mobility and pain relief and in whom failure with conventional total hip replacement is much higher than previously reported with more sedentary patients. The aim of this paper is, firstly, to highlight a number of areas of improvement and, secondly, to explain how these may be addressed by making modifications to the design of both implants and instrumentation and to the surgical technique. The areas identified for improvement were tissue preservation (thinner components, and reduced steps between sizes), acetabular cup issues (fixation, insertion, and positioning), femoral component issues (design, loading, and cementation), improved bearing surface characteristics, and simplified precise instrumentation with a low-trauma surgical technique.
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Affiliation(s)
- G H Isaac
- DePuy International Limited, Leeds, UK.
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32
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Isaac GH, Thompson J, Williams S, Fisher J. Metal-on-metal bearings surfaces: Materials, manufacture, design, optimization, and alternatives. Proc Inst Mech Eng H 2006; 220:119-33. [PMID: 16669381 DOI: 10.1243/095441105x68953] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
When first introduced, total hip replacements offered pain relief and improved mobility in elderly patients. The success of this procedure in terms of long-term durability and restoration of function has led to its use in younger, more active patients. This has resulted in a commensurate increase in patient expectation regarding longevity and the degree to which function and lifestyle is restored. The bearing surface is a key feature of the performance of replacement joints. It is generally accepted that excessive amounts of wear debris preclude their long-term survivorship and hence there is an ongoing requirement for bearing surfaces which minimize debris generation. The purpose of this paper is to review the factors which affect the performance of so-called metal-on-metal bearings, to compare their performance with that of the other commonly used contemporary alternatives, metal and ceramic articulating against highly cross-linked polyethylene, and ceramic-on-ceramic, and finally to consider the potential solutions offered by new developments such as ceramic-on-metal and coatings applied to metal-on-metal bearings.
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33
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Nizard R, Sedel L, Hannouche D, Hamadouche M, Bizot P. Alumina pairing in total hip replacement. ACTA ACUST UNITED AC 2005; 87:755-8. [PMID: 15911653 DOI: 10.1302/0301-620x.87b6.16150] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- R Nizard
- Department of Orthopaedic Surgery, Hôpital Lariboisière, Assistance Publique des Hôpitaux de Paris, 2 Rue A. Paré, 75010 Paris, France.
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34
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Abstract
Alumina-on-alumina total hip arthroplasty has been used for 32 years in Europe. The theoretical advantages of this combination are represented by its remarkable sliding characteristics, its very low wear debris generation, and its improved fracture toughness. These advantages are achieved if the material is processed properly with high density, high purity and small grains. We summarize the results obtained with the alumina-on-alumina combination concerning in vitro and in vivo wear behavior with special emphasis on wear debris characterization and quantification and histologic tissue examinations. Alumina-on-alumina seems to be one of the best choices in young and active patients provided that sound socket fixation is maintained in the long term.
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Affiliation(s)
- Didier Hannouche
- Department of Orthopaedic Surgery and Traumatology, Hôpital Lariboisière (University Paris 7), Paris, France
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35
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Brodner W, Grübl A, Jankovsky R, Meisinger V, Lehr S, Gottsauner-Wolf F. Cup inclination and serum concentration of cobalt and chromium after metal-on-metal total hip arthroplasty. J Arthroplasty 2004; 19:66-70. [PMID: 15578556 DOI: 10.1016/j.arth.2004.09.003] [Citation(s) in RCA: 90] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
We investigated whether cup inclination influences serum levels of cobalt and chromium after metal-on-metal total hip arthroplasty. Out of a consecutive series, 3 groups of 20 patients each were established according to their cup inclination: greatest inclination (55 degrees -63 degrees, mean 58 degrees), intermediate inclination (44 degrees -46 degrees, mean 45 degrees), and smallest inclination (23 degrees -37 degrees, mean 33 degrees). We did not detect any statistically significant difference of serum cobalt (P = .23) or serum chromium (P = .13) levels between the 3 groups applying the Kruskal Wallis test. However, 3 patients with cup inclinations of 58 degrees , 63 degrees , and 61 degrees exhibited 9.8-53.6-fold elevated cobalt and 9.5-30.5-fold elevated chromium levels when compared with the median concentrations of this trial. We therefore recommend accurate cup placement also for metal-on-metal articulations.
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Affiliation(s)
- Wolfram Brodner
- Department of Orthopaedics, Vienna General Hospital, Vienna, Austria
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36
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Pezzotti G. Raman piezo-spectroscopic analysis of natural and synthetic biomaterials. Anal Bioanal Chem 2004; 381:577-90. [PMID: 15459801 DOI: 10.1007/s00216-004-2780-1] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2004] [Revised: 07/20/2004] [Accepted: 07/20/2004] [Indexed: 11/29/2022]
Abstract
Raman piezo-spectroscopy of bone, teeth, and artificial joints is reviewed with emphasis placed on confocal microprobe techniques. Characteristic spectra are presented and quantitative assessments of their phase structure and stress dependence are shown. Vibrational spectroscopy is used here to study the microscopic stress response of cortical bone to external stress (with or without internal damages), to define microscopic stresses across the dentine-enamel junction under increasing external compressive load, and to characterize interactions between prosthetic implants and biological environment. Confocal spectroscopy allows acquisition of spatially resolved spectra and stress imaging with high spatial resolution.
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Affiliation(s)
- Giuseppe Pezzotti
- Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, 606-8585, Kyoto, Japan.
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37
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Ashraf T, Newman JH, Desai VV, Beard D, Nevelos JE. Polyethylene wear in a non-congruous unicompartmental knee replacement: a retrieval analysis. Knee 2004; 11:177-81. [PMID: 15194092 DOI: 10.1016/j.knee.2004.03.004] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2003] [Accepted: 03/11/2004] [Indexed: 02/02/2023]
Abstract
Polyethylene wear is considered a threat to the long-term survival of unicompartmental knee replacement (UKR). This study aims to determine the linear penetration and volumetric wear associated with a non-congruent commonly used UKR, the St Georg Sled. This prosthesis has a biconvex femoral component which articulates with a flat polyethylene tibial component resulting in point contact. Components were retrieved from the knees of 19 patients undergoing revision for a failed UKR after primary replacement. Linear penetration and volumetric wear was measured using a coordinate measuring machine. Using an un-used implant, a three-dimensional computer model of the surface was generated and compared to the explanted specimen. Most patients had revisions because of disease progression to other compartments rather than specific wear related pathology. The mean linear wear for the sample was 0.89 mm (S.D. 0.59 mm) over an average period of 5.6 years giving the mean linear penetration rate of 0.15 mm/year. The mean volumetric wear was 99.7 mm3 (S.D. 79.3 mm3) over the same period giving a mean annual volumetric wear rate of 17.3 mm3/year. The results in this study indicate that clinically significant wear is not necessarily a feature of this fixed bearing unicompartmental knee replacement. The pattern of wear is consistent with clinical findings and indicates excavation of the polyethylene after implantation but at a slower rate than would be anticipated.
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Affiliation(s)
- T Ashraf
- Avon Orthopaedic Centre, Southmead Hospital, Bristol BS10 5NB, UK.
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38
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Abstract
Patients who are young or active or both who require total joint replacement pose a unique challenge; their high activity demands wear-resistant bearings that will perform for decades, without suffering from the adverse effects of accumulated wear products. We discuss the tribologic and biologic properties of newly introduced bearing materials for hip prostheses. The new PEs are intended to address the aseptic loosening problem by reducing the volume of submicron PE particles to a level well below that historically associated with osteolysis. However, choosing among the several variations of the cross-linked thermally-stabilized PEs is confounded by conflicting opinions regarding the optimum balance between long-term wear resistance and mechanical strength, and regarding potential effects of differences in morphologic features of the submicron-sized wear particles on their relative osteolytic potential. Metal-on-metal bearings have clinically proven wear resistance and the advantage of self-polishing, but the long-term biologic effects of metallic ions remain unknown. Ceramic-on-ceramic bearings have the advantage of high biocompatibility and usually very low wear, but fracture remains a rare but catastrophic complication. The choice of an appropriate bearing couple should be made after a thorough consideration of the relative risks and potential benefits of each of these materials.
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Affiliation(s)
- Pat Campbell
- Joint Replacement Institute and J. Vernon Luck Orthopaedic Research Center Orthopaedic Hospital, Los Angeles, CA 90007, USA.
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HEISEL CHRISTIAN, SILVA MAURICIO, SCHMALZRIED THOMASP. BEARING SURFACE OPTIONS FOR TOTAL HIP REPLACEMENT IN YOUNG PATIENTS. J Bone Joint Surg Am 2003. [DOI: 10.2106/00004623-200307000-00026] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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Bizot P, Nizard R, Hamadouche M, Hannouche D, Sedel L. Prevention of wear and osteolysis: alumina-on-alumina bearing. Clin Orthop Relat Res 2001:85-93. [PMID: 11764375 DOI: 10.1097/00003086-200112000-00010] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Alumina-on-alumina bearings in total hip replacement have been used for 30 years. Excellent tribologic properties and extra low debris generation could, in theory, provide an answer to osteolysis. A review of the authors' experience with alumina-on-alumina bearings showed that, except in a few bearings that had been loose for a long time, osteolysis was not a problem. Although the cemented titanium stem and the alumina-on-alumina couple were not a problem, fixation of the socket had to be improved. To improve the socket fixation system and to avoid the use of a cemented titanium stem that may have created problems in the long-term, a new design was introduced in 1997. The current authors present the preliminary results of the first 96 hips with cementless fully-coated hydroxyapatite titanium alloy stems and sockets, 32-mm alumina femoral head, and alumina liner, both held with a Morse taper. Ninety-six consecutive hips in 89 patients (57 males, 32 females) with a median age of 46 years (range, 14-72 years) were analyzed. One socket was revised at 4 months because of poor primary stability in a patient with a severe acetabular fracture. One patient experienced a traumatic fracture of the implanted femur 3 weeks after surgery. The mean followup was 16 months (range, 4-38 months). One patient died from rupture of an aneurysm. Ninety-three hips in 86 patients were assessed regarding the clinical and radiologic ratings. Two patients (two hips) were interviewed by telephone. The Merle d'Aubigné rating system was 18 in 65 hips (59 patients), 17 in 25 hips (25 patients), and 16 in three hips (three patients) mainly related to a previous disability including limp, sciatic palsy, or stiffness. Examination of 93 available radiographs revealed no ostelolysis, no radiolucent lines at the last examination, and no subsidence. The level of excellent results, even in this young population, and lack of osteolysis and wear are encouraging, even if the followup is too short to allow any conclusions to be made.
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Affiliation(s)
- P Bizot
- Service de Chirurgie Orthopédique et Traumatologique, Hĵpital Lariboisière, Paris, France
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