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Experimental Investigation of Material Transfer on Bearings for Total Hip Arthroplasty—A Retrieval Study on Ceramic and Metallic Femoral Heads. J Clin Med 2022; 11:jcm11143946. [PMID: 35887710 PMCID: PMC9318345 DOI: 10.3390/jcm11143946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/17/2022] [Accepted: 07/05/2022] [Indexed: 11/17/2022] Open
Abstract
Metallic deposition is a commonly observed phenomenon on the surface of revised femoral heads in total hip arthroplasty and can lead to increased wear due to third bodies. In order to find out the origin and composition of the transfer material, 98 retrieved femoral heads of different materials were examined with regard to the cause of revision, localization, pattern and composition of the transfer material by energy dispersive X-ray spectroscopy. We found that in 53.1%, the deposition was mostly in the region of the equator and the adjacent pole of the femoral heads. The most common cause for revision of heads with metallic deposition was polyethylene wear (43.9%). Random stripes (44.9%), random patches (41.8%) and solid patches (35.7%) were most prevalent on retrieved femoral heads. Random patches were a typical pattern in ceramic-on-ceramic bearing couples. The solid patch frequently occurred in association with dislocation of the femoral head (55%). The elemental analysis of the depositions showed a variety of different materials. In most cases, titanium was an element of the transferred material (76.5%). In addition to metallic components, several non-metallic components were also detected, such as carbon (49%) or sulfur (4.1%). Many of the determined elements could be assigned with regard to their origin with the help of the associated revision cause. Since the depositions lead to an introduction of third-body particles and thus to increased wear, the depositions on the bearing surfaces should be avoided in any case.
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Effects of Hip Abductor Strengthening on Musculoskeletal Loading in Hip Dysplasia Patients after Total Hip Replacement. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11052123] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Hip dysplasia patients after total hip replacement show worse functional performance compared to primary osteoarthritis patients, and unfortunately there is no research on muscle and joint loads that would help understand rehabilitation effects, motor dysfunctions and failure events. We tested the hypothesis that a higher functional improvement in hip dysplasia patients who received hip abductor strengthening after hip replacement, would result in different gait function and musculoskeletal loads during walking compared to patients who performed standard rehabilitation only. In vivo gait analysis and musculoskeletal modeling were used to analyze the differences in gait parameters and hip and muscle forces during walking between the two groups of patients. We found that, in a functional scenario of very mild abnormalities, the patients who performed muscle strengthening expressed a more physiological force pattern and a generally greater force in the operated limb, although statistically significant in limited portions of the gait cycle, and likely related to a higher gait speed. We conclude that in a low-demand task, the abductor strengthening program does not have a marked effect on hip loads, and further studies on hip dysplasia patients would help clarify the effect of muscle strengthening on loads.
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Fernández-Fairén M, Torres-Perez A, Perez R, Punset M, Molmeneu M, Ortiz-Hernández M, Manero JM, Gil J. Early Short-Term Postoperative Mechanical Failures of Current Ceramic-on-Ceramic Bearing Total Hip Arthroplasties. MATERIALS 2020; 13:ma13235318. [PMID: 33255355 PMCID: PMC7727787 DOI: 10.3390/ma13235318] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 12/01/2022]
Abstract
Although ceramic-on-ceramic (CoC) bearings have been shown to produce the smallest amount of wear volume in vitro as well as in vivo studies when used for total hip arthroplasties (THA), concerns about the failure of these bearing surfaces persist due to early failures observed after short postoperative time. In this study, an exhaustive analysis of the early failure occurred on the new generation of ceramic bearings, consisting of a composite alumina matrix-based material reinforced with yttria-stabilized tetragonal zirconia (Y-TZP) particles, chromium dioxide, and strontium crystals, was performed. For this study, 118 CoC bearings from 117 patients were revised. This article describes a group of mechanical failure CoC-bearing BIOLOX THA hip prosthesis patients without trauma history. The retrieved samples were observed under scanning electron microscopy (SEM), composition was analyzed with energy dispersive X-ray spectroscopy (EDX), and damaged surfaces were analyzed by grazing-incidence X-ray diffraction (GI-XRD) and white light interferometry. In the short term, CoC articulations provided similar mechanical behavior and functional outcome to those in XLPE cases. However, 5% more early mechanical failures cases were observed for the ceramic components. Although the fracture rate of third generation CoC couples is low, the present study shows the need to further improve the third generation of CoC-bearing couples for THA. Despite the improved wear compared to other materials, stress concentrators are sources of initial crack propagation, such as those found in the bore-trunnion areas. Moreover, in view of the evidence observed in this study, the chipping observed was due to the presence of monoclinic phase of the Y-TZP instead of tetragonal, which presents better mechanical properties. The results showed that total safety after receiving a THA is still a goal to be pursued.
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Affiliation(s)
- Mariano Fernández-Fairén
- Bioengineering Institute of Technology, Facultat de Medicina y Ciencias de la Salud, Universitat Internacional de Catalunya, 080195 Barcelona, Spain; (M.F.-F.); (R.P.)
| | - Ana Torres-Perez
- Hospital Universitario Santa Lucía, Calle Mezquita, s/n, 30202 Cartagena, Spain;
| | - Roman Perez
- Bioengineering Institute of Technology, Facultat de Medicina y Ciencias de la Salud, Universitat Internacional de Catalunya, 080195 Barcelona, Spain; (M.F.-F.); (R.P.)
| | - Miquel Punset
- Biomaterials, Biomechanics and Tissue Engineering Group (BBT), Department of Materials Science and Engineering, Escola d’Enginyeria de Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), Carrer de Jordi Girona 1, 08034 Barcelona, Spain; (M.P.); (M.M.); (M.O.-H.); (J.M.M.)
- Barcelona Research Centre in Multiscale Science and Engineering, Technical University of Catalonia (UPC), Av. Eduard Maristany, 10–14, 08019 Barcelona, Spain
- UPC Innovation and Technology Center (CIT-UPC), Technical University of Catalonia (UPC), C. Jordi Girona 3–1, 08034 Barcelona, Spain
| | - Meritxell Molmeneu
- Biomaterials, Biomechanics and Tissue Engineering Group (BBT), Department of Materials Science and Engineering, Escola d’Enginyeria de Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), Carrer de Jordi Girona 1, 08034 Barcelona, Spain; (M.P.); (M.M.); (M.O.-H.); (J.M.M.)
- Barcelona Research Centre in Multiscale Science and Engineering, Technical University of Catalonia (UPC), Av. Eduard Maristany, 10–14, 08019 Barcelona, Spain
| | - Monica Ortiz-Hernández
- Biomaterials, Biomechanics and Tissue Engineering Group (BBT), Department of Materials Science and Engineering, Escola d’Enginyeria de Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), Carrer de Jordi Girona 1, 08034 Barcelona, Spain; (M.P.); (M.M.); (M.O.-H.); (J.M.M.)
- Barcelona Research Centre in Multiscale Science and Engineering, Technical University of Catalonia (UPC), Av. Eduard Maristany, 10–14, 08019 Barcelona, Spain
| | - José María Manero
- Biomaterials, Biomechanics and Tissue Engineering Group (BBT), Department of Materials Science and Engineering, Escola d’Enginyeria de Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), Carrer de Jordi Girona 1, 08034 Barcelona, Spain; (M.P.); (M.M.); (M.O.-H.); (J.M.M.)
- Barcelona Research Centre in Multiscale Science and Engineering, Technical University of Catalonia (UPC), Av. Eduard Maristany, 10–14, 08019 Barcelona, Spain
| | - Javier Gil
- Bioengineering Institute of Technology, Facultat de Medicina y Ciencias de la Salud, Universitat Internacional de Catalunya, 080195 Barcelona, Spain; (M.F.-F.); (R.P.)
- Correspondence:
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Castagnini F, Valente G, Crimi G, Taddei F, Bordini B, Stea S, Toni A. Component positioning and ceramic damage in cementless ceramic-on-ceramic total hip arthroplasty. J Orthop Sci 2019; 24:643-651. [PMID: 30612885 DOI: 10.1016/j.jos.2018.12.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 11/21/2018] [Accepted: 12/11/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND In ceramic-on-ceramic (CoC) total hip arthroplasty (THA), component positioning demonstrated to influence the bearing damage: however the connection between angles and clinical outcomes at long-term follow-ups is currently lacking. Aims of this study were: the computer tomography (CT) assessment of component positioning in CoC THAs; the correlation analysis between positioning and ceramic damage; the identification of safe zones. METHODS 91 consecutive post-operative CT scans including two types of CoC implants, with a mean follow-up of 12 ± 4.4 years, were evaluated. III generation (74.2%) and IV generation (25.8%) CoC surfaces were included. The angle measurements (cup abduction, anteversion, cup tilt, stem antetorsion, sacral slope) were automated using a CT-based software. The combined anteversion was assessed as well as the cup-neck position at -15°, 0°, 45° and 90° of flexion. Ceramic damage was diagnosed using synovial fluid analyses and radiological criteria. RESULTS 63.7% of THAs was inside the cup abduction target 30°-45° and 68.1% was inside the cup anteversion target 5°-25°. 19 patients (20.9%) showed signs of ceramic damage. High cup abduction and high cup-neck 45° minimum angle (which stood for high abduction and extreme combined version) significantly correlated with ceramic damage. No demographical features apart III generation ceramic bearings influenced the results. No safe zones could be detected. CONCLUSIONS In CoC THA, no safe zones can be described. However it is important to avoid cup inclination over 45° and a combination of steep cup and extreme combined version.
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Affiliation(s)
- Francesco Castagnini
- Ortopedia-Traumatologia e Chirurgia Protesica e dei reimpianti d'anca e di ginocchio, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, 40136, Italy.
| | - Giordano Valente
- Laboratorio di Bio Ingegneria Computazionale, IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, Bologna, 40136, Italy
| | - Gianluigi Crimi
- Laboratorio di Bio Ingegneria Computazionale, IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, Bologna, 40136, Italy
| | - Fulvia Taddei
- Laboratorio di Bio Ingegneria Computazionale, IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, Bologna, 40136, Italy
| | - Barbara Bordini
- Laboratorio di Tecnologia Medica, IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, Bologna, 40136, Italy
| | - Susanna Stea
- Laboratorio di Tecnologia Medica, IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, Bologna, 40136, Italy
| | - Aldo Toni
- Ortopedia-Traumatologia e Chirurgia Protesica e dei reimpianti d'anca e di ginocchio, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, 40136, Italy
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Gascoyne TC, Lanting BA, Derksen KJ, Teeter MG, Turgeon TR. Damage Assessment of Retrieved Birmingham Monoblock Cups: Is Conversion to Dual-Mobility Head a Viable Revision Option? J Arthroplasty 2018; 33:1242-1246. [PMID: 29276120 DOI: 10.1016/j.arth.2017.10.036] [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] [Received: 07/28/2017] [Revised: 10/06/2017] [Accepted: 10/10/2017] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND A novel revision technique for failed hip resurfacings involves retention of the acetabular cup, if well-fixed, which is mated to dual-mobility (DM) prosthesis in a traditional hip replacement configuration. It is unknown whether existing damage on the retained cup will result in unacceptable wear of the DM prosthesis. METHODS Thirty retrieved Birmingham (Smith & Nephew) monoblock cups were visually scored for damage features and area of coverage. Surface roughness measurements were obtained within each damage feature as well as reference points on each cup. Analysis of prior metal-on-metal wear was also performed to determine the maximum change in diameter of the cup. RESULTS Scratching and grooving (deep, singular scratches) were the most common damage features. Overall bearing surface roughness was estimated as 0.059 μm (±0.030 μm) based on percent area coverage of each damage feature. Dimensional change of the bearing surface was negligible for most cups (18 of 30) but ranged from 0.20 to 0.38 mm for the most severely worn samples (5 of 30). CONCLUSION Average surface roughness of the retrieved Birmingham cups was low, suggesting an expected 10%-20% increase in DM prosthesis wear. Similarly, dimensional change of the cup due to prior wear is not believed to significantly affect wear. Our findings support the use of a DM head in appropriate scenarios but suggest caution when applied to younger, more active patients whom may be adversely affected by increased prosthesis wear in the long term.
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Affiliation(s)
| | - Brent A Lanting
- Division of Orthopedic Surgery, London Health Sciences Centre, University Hospital, London, Ontario, Canada
| | - Kieran J Derksen
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Matthew G Teeter
- Division of Orthopedic Surgery, London Health Sciences Centre, University Hospital, London, Ontario, Canada
| | - Thomas R Turgeon
- Department of Surgery, University of Manitoba, Winnipeg, Manitoba, Canada; Concordia Joint Replacement Group, Winnipeg, Manitoba, Canada
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Raman and Photoemission Spectroscopic Analyses of Explanted Biolox ® Delta Femoral Heads Showing Metal Transfer. MATERIALS 2017; 10:ma10070744. [PMID: 28773102 PMCID: PMC5551787 DOI: 10.3390/ma10070744] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 06/25/2017] [Accepted: 06/29/2017] [Indexed: 11/17/2022]
Abstract
Biolox® delta has been widely used in joint replacements thanks to its high strength and wear resistance. In this study, eleven Biolox® delta femoral head retrievals affected by metal transfer (MT) were analysed by Raman spectroscopy to estimate the tetragonal to monoclinic zirconia phase transformation, whose occurrence may compromise ceramic chemical stability and mechanical strength. The residual stress state was evaluated by both Raman and photoemission spectroscopy. Vm monoclinic zirconia contents were higher near the centre of the articulating surface and in the MT area than in the border control area of the retrievals. In only one retrieval, stress related to MT appeared a more severe condition, able to induce zirconia phase transformation; for all the others, stresses related to loading in the central region and related to MT, were conducive to a zirconia phase transformation of nearly the same extent. Vm depth profiling analyses showed that the transformation involved different thicknesses in different samples. Raman data allowed for the investigation of the mechanism of zirconia phase transformation and confirmed that the growth stage was absent and the nucleation stage was not occurring as freely as it would in unconstrained zirconia.
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SHANKAR S, NITHYAPRAKASH R. PREDICTING THE WEAR OF SOFT-ON-HARD BEARING COUPLES FOR HUMAN HIP PROSTHESIS USING FINITE ELEMENT CONCEPTS. J MECH MED BIOL 2016. [DOI: 10.1142/s0219519416500202] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Wear of bearing couples is one of the major concerns in artificial hip implantation. To minimize the wear of hip bearing surfaces, several new materials have been introduced and tested including metal-on-metal, ceramic-on-ceramic and hard-on-hard combinations. The present study involves prediction of wear on ultra-high molecular weight polyethylene (UHMWPE) cup against Co–Cr, alumina and zirconia femoral head by applying the three-dimensional (3D) physiological loads as well as angular motions on these bearing couples to calculate the contact pressure using finite element concepts. The linear and volumetric wear of bearing surfaces increase with increase in gait cycles. Overall, the Zirconia–UHMWPE combination showed least wear, when compared with Alumina–UHMWPE and Co–Cr–UHMWPE combinations. The present study also revealed that the Zirconia–UHMWPE combinations showed less volumetric wear than the Alumina–Alumina bearing which is at present used in artificial hip resurfacements.
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Affiliation(s)
- S. SHANKAR
- Department of Mechatronics Engineering, Kongu Engineering College, Erode, India
| | - R. NITHYAPRAKASH
- Department of Mechanical Engineering, Kongu Engineering College, Erode, India
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Zirconia phase transformation, metal transfer, and surface roughness in retrieved ceramic composite femoral heads in total hip arthroplasty. J Arthroplasty 2014; 29:2219-23. [PMID: 25212282 DOI: 10.1016/j.arth.2014.08.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Revised: 08/01/2014] [Accepted: 08/11/2014] [Indexed: 02/01/2023] Open
Abstract
Ceramic femoral heads have had promising results as a bearing surface in total hip arthroplasty. Our objective was to evaluate a series of retrieved alumina-zirconia composite ceramic femoral heads for evidence of the tetragonal to monoclinic zirconia phase transformation, metal transfer and articular surface roughness. Raman spectra showed evidence of the zirconia phase transformation in all retrieved specimens, with distinct monoclinic peaks at 183, 335, 383, and 479 cm(-1). All components displayed metal transfer. An increase in the zirconia phase transformation was seen with increasing time in vivo. No correlation between extent of zirconia phase transformation and the surface roughness was found. These short-term results suggest that the use of an alumina-zirconia composite ceramic is a viable option for femoral heads in THA.
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Abstract
The use of ceramics bearings in total hip joint replacement (THR) has increased markedly in the last ten years thanks to the optimum wear behaviour of ceramic-on-ceramic bearings and of the high biological safety of ceramic wear debris. As the number of ceramic THR bearings is increasing, also the number of implants that experience off-normal working conditions, e.g. edge loading, third bodies in the joint, soft tissues laxity, dislocation/subluxation of the joint, increases. Under all such conditions the surface of the bearing can be damaged to variable extent, leading eventually to a limitation of the expected performances of the implant.
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Gascoyne TC, Dyrkacz RM, Turgeon TR, Burnell CD, Wyss UP, Brandt JM. Corrosion on the acetabular liner taper from retrieved modular metal-on-metal total hip replacements. J Arthroplasty 2014; 29:2049-52. [PMID: 24997654 DOI: 10.1016/j.arth.2014.05.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Revised: 05/27/2014] [Accepted: 05/31/2014] [Indexed: 02/08/2023] Open
Abstract
Eight retrieved metal-on-metal total hip replacements displayed corrosion damage along the cobalt-chromium alloy liner taper junction with the Ti alloy acetabular shell. Scanning electron microscopy indicated the primary mechanism of corrosion to be grain boundary and associated crevice corrosion, which was likely accelerated through mechanical micromotion and galvanic corrosion resulting from dissimilar alloys. Coordinate measurements revealed up to 4.3mm(3) of the cobalt-chromium alloy taper surface was removed due to corrosion, which is comparable to previous reports of corrosion damage on head-neck tapers. The acetabular liner-shell taper appears to be an additional source of metal corrosion products in modular total hip replacements. Patients with these prostheses should be closely monitored for signs of adverse reaction towards corrosion by-products.
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Affiliation(s)
- Trevor C Gascoyne
- Orthopaedic Innovation Centre, Concordia Hip and Knee Institute, 1155 Concordia Avenue, R2K 2M9
| | - Richard M Dyrkacz
- Department of Mechanical Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Thomas R Turgeon
- Orthopaedic Innovation Centre, Concordia Hip and Knee Institute, 1155 Concordia Avenue, R2K 2M9; Department of Surgery, Orthopaedics, University of Manitoba
| | - Colin D Burnell
- Orthopaedic Innovation Centre, Concordia Hip and Knee Institute, 1155 Concordia Avenue, R2K 2M9; Department of Surgery, Orthopaedics, University of Manitoba
| | - Urs P Wyss
- Orthopaedic Innovation Centre, Concordia Hip and Knee Institute, 1155 Concordia Avenue, R2K 2M9; Department of Mechanical Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Jan-M Brandt
- Orthopaedic Innovation Centre, Concordia Hip and Knee Institute, 1155 Concordia Avenue, R2K 2M9; Department of Surgery, Orthopaedics, University of Manitoba; Department of Mechanical Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
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