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Davis TP. Metal-on-Metal Hip Arthroplasty: A Comprehensive Review of the Current Literature. Cureus 2023; 15:e48238. [PMID: 37929272 PMCID: PMC10624517 DOI: 10.7759/cureus.48238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/02/2023] [Indexed: 11/07/2023] Open
Abstract
Metal-on-metal (MoM) total hip arthroplasty has been widely used since the end of the 20th century, although rates have now decreased due to concerns regarding adverse reactions and failure rates. The MoM implant has been replaced with other materials, such as ceramic-on-ceramic (CoC) and metal-on-polyethylene (MoP). This literature review looks at the past and present use of MoM prostheses to assess whether the turn away from MoM use is justified. Online literature searches were performed on PubMed, Ovid Medical Literature Analysis and Retrieval System Online (MEDLINE), and Web of Science online databases using the search terms "MoM and (ARMD and ALVAL)" (ARMD: adverse reaction to metal debris; ALVAL: aseptic lymphocyte-dominant vasculitis-associated lesion). A total of 64 relevant titles were included in the review. Although risk factors for adverse reactions and the causes of ARMD are generally agreed upon, more work is required to further understand the specific thresholds of blood metal ion levels that can be used to consistently identify ARMD and excessive metal wear-debris in patients who have not had their MoM implants revised. Metal-on-metal devices are not an acceptable option for total hip arthroplasties (THAs) in their current formulation due to the high rate and risk of ARMD. Some MoM hip resurfacing operations are appropriate for very carefully selected patients who are fully aware of the risks posed by the implant. It is recommended that device-specific thresholds for metal ion levels be developed to identify patients at risk of ARMD locally and systemically while using auxiliary tools to assist diagnosis, such as metal artefact reduction sequences (MARS)-MRI and hip scoring tools. Further work should investigate device-specific blood metal ion levels, the systemic effects of raised metal ion concentrations secondary to MoM arthroprosthetic wear, and the potential risks of ARMD caused by wear from tapered stems (including the implications this has for patients with CoC and MoP prostheses).
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Affiliation(s)
- Timothy P Davis
- Department of Anatomy, University of Nottingham Medical School, Nottingham, GBR
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Comparison of the long-term cause of failure and survivorship of four hundred and twenty seven metal-on-metal hip arthroplasties: resurfacing versus large head total hip arthroplasty. INTERNATIONAL ORTHOPAEDICS 2021; 45:3075-3081. [PMID: 34155524 PMCID: PMC8626394 DOI: 10.1007/s00264-021-05044-y] [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: 02/05/2021] [Accepted: 04/12/2021] [Indexed: 12/20/2022]
Abstract
Introduction Comparison of mid- to long-term cause of failure and survivorship of metal-on-metal (MoM) resurfacing hip arthroplasty (RHA) and large head total hip arthroplasty (THA) remains sparse. This study aimed to identify and compare the cause of failure and survivorship of MoM RHA and THA at a minimum ten year follow-up. Methods Four hundred twenty-seven MoM hip arthroplasties (286 THA and 141 RHA) were retrospectively analyzed at a mean follow-up of 13 ± three years. Causes of failure were reported as MoM specific (i.e., adverse reaction to metal debris (ARMD) and painful hip with ion elevation) or MoM non-specific (i.e., fracture, infection, and dislocation). Chromium (Cr) and cobalt (Co) ion levels and Co/Cr ratio were compared. Survivorship was compared according to the cause of failure with revision as the endpoint. Results The rate of ARMD was significantly higher in THA (OR = 2.9 [95%-CI: 1–7]; p = 0.02). No significant difference was detected in failure rate due to other causes between the two groups (p = 0.2–0.9). Ion levels and Co/Cr ratio were both significantly higher in THA (p < 0.01). Survivorship was significantly lower in THA compared to RHA at ten years [89% (95%-CI: 85%–91%) vs 96% (95%-CI: 91%–98%); p = 0.01] and 15 years [73% (95%-CI: 67%–78%) vs 83% (95%-CI: 73%–90%); p = 0.01]. Conclusion RHA survivorship was significantly higher at any time point. Failure rate due to ARMD was significantly higher in THA while no significant difference in other causes of failure was observed between the two groups. This result emphasizes the role of fretting corrosion at the head-neck junction (i.e., trunnionosis) with significantly higher ion levels and Co/Cr ratio dissociation in THA.
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3
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BLOOD CHROMIUM-COBALT LEVELS IN PATIENTS AFTER TOTAL KNEE ARTHROPLASTY AND THEIR EFFECT ON THE RETINAL NERVE FIBER LAYER AND MACULAR GANGLION CELL COMPLEX. Retina 2021; 40:1200-1206. [PMID: 31021899 DOI: 10.1097/iae.0000000000002535] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE To study blood cobalt (Co) and chromium (Cr) levels in patients who have undergone total knee arthroplasty and their effect on the retinal nerve fiber layer and macular ganglion cell complex. METHODS One hundred patients who had undergone total knee arthroplasty and 50 healthy individuals who had no implants were included in the study. The patients were separated into two groups based on how long ago the prosthesis had been implanted (Group 1: 1 to 5 years; Group 2: 5 to 10 years). After a complete ophthalmological examination, retinal nerve fiber layer and macular ganglion cell complex of the patients were evaluated with optical coherence tomography, performed on dilated pupils. To assess the metal ion levels of the patients, venous blood samples were drawn from each patient. RESULTS The mean age of the patients was 64.72 ± 6.26 years in Group 1, 67.80 ± 8.07 years in Group 2, and 63.42 ± 7.90 years in the control group. In the comparison of age and sex, there were no statistically significant differences between the groups and the control group. Co and Cr levels were statistically higher in Group 1 and Group 2 compared with the control group (P < 0.001). Mean retinal nerve fiber layer thicknesses and mean macular ganglion cell complex thicknesses in Group 1 and Group 2 were statistically lower than in the control group. CONCLUSION Levels of Co and Cr are higher in patients who undergone total knee arthroplasty than healthy subjects, and these higher levels were associated with changes in the retinal nerve fiber layer and macular ganglion cell complex.
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Fukuda R, Matsuoka M, Onodera T, Iwasaki K, Tanaka D, Hiraga H, Kanno-Okada H, Matsuno Y, Kondo E, Iwasaki N. Angiosarcoma after revision total knee arthroplasty. Knee 2021; 28:151-158. [PMID: 33360381 DOI: 10.1016/j.knee.2020.11.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 11/04/2020] [Accepted: 11/23/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Hemarthrosis after total knee arthroplasty (TKA) is a relatively rare complication. Although most cases are effectively treated with conservative therapy, some cases require angiographic embolization or surgical intervention. Angiosarcoma is a rare malignant tumor derived from the vascular endothelium with neovascular hyperplasia and mainly arises in the skin and superficial soft tissue, and less frequently in deep soft tissue and bone. Although malignant neoplasms such as angiosarcoma in the vicinity of orthopedic implants were reported, the causal relationship between development of the malignant tumor and the orthopedic implant is widely debated in the literature. CASE PRESENTATION We report the case of a 68-year-old female with angiosarcoma that developed in the knee joint 2 years after revision TKA. The patient exhibited severe persistent bleeding, which reached 1000-1400 ml per day for 4 months. Histological analysis of the synovial tissue in the knee joint showed large cells with nuclear atypia. Immunohistochemical staining showed cells that were positive for CD31, CD34, and D2-40, and she was diagnosed with angiosarcoma. The patient underwent an amputation at the level of the thigh, and her general condition immediately improved after the operation. The patient did not exhibit bleeding from the site of amputation, and no local recurrence or distant metastases were detected 1 year after the amputation. CONCLUSIONS To the best of our knowledge, this represents the first report of angiosarcoma 2 years after revision TKA. Further careful follow up is needed, given the high-grade malignancy.
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Affiliation(s)
- Ryuichi Fukuda
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan; Department of Orthopedic Surgery, Teine Keijinkai Hospital, Teine-Ku, Sapporo, Hokkaido, Japan.
| | - Masatake Matsuoka
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan.
| | - Tomohiro Onodera
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan.
| | - Koji Iwasaki
- Department of Functional Reconstruction for the Knee Joint, Hokkaido University, Sapporo, Hokkaido, Japan.
| | - Daisuke Tanaka
- Department of Orthopaedic Surgery, Eniwa Hospital, Eniwa-Shi, Hokkaido, Japan.
| | - Hiroaki Hiraga
- Department of Musculoskeletal Oncology, Hokkaido Cancer Center, Shiroishi-Ku, Sapporo, Hokkaido, Japan.
| | - Hiromi Kanno-Okada
- Department of Surgical Pathology, Hokkaido University Hospital, Sapporo, Hokkaido, Japan.
| | - Yoshihiro Matsuno
- Department of Surgical Pathology, Hokkaido University Hospital, Sapporo, Hokkaido, Japan.
| | - Eiji Kondo
- Centre for Sports Medicine, Hokkaido University Hospital, Sapporo, Hokkaido, Japan.
| | - Norimasa Iwasaki
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan.
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Carulli C, Sani G, Matassi F, Civinini R, Innocenti M. A Mid- to Long-Term Follow-Up Experience with a Specific Metal-on-Metal Total Hip Arthroplasty Design. JOINTS 2020; 7:91-97. [PMID: 34195536 PMCID: PMC8236331 DOI: 10.1055/s-0040-1710388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Accepted: 04/04/2020] [Indexed: 11/09/2022]
Abstract
Purrpose
Metal-on-metal (MoM) total hip arthroplasty (THA) has been a subject of recent discussion and concern due to the early failures caused by local and systemic adverse reactions related to specific designs. The aim of this study is to analyze the outcomes and survival rates of a single brand of MoM implants implanted in a consecutive series of patients at a single institution.
Methods
Between 2007 and 2012, 116 (118 hips) patients were evaluated at a mean follow-up of 6.6 years after primary THA. The diagnosis leading to surgery was osteoarthritis (80 patients) and proximal femoral fracture (36 patients). A single design of THA was implanted. All patients were evaluated before surgery and postoperatively at 1, 3, 6, and 12 months by clinical scores and radiographic studies. The data analysis was made using Student's
t
-test.
Results
The minimum follow-up was of 4 years, with a mean follow-up of 6.6 years. Two aseptic loosenings of the acetabular component were recorded (one per group), which were not associated with local or systemic complications related to metal ion release. Both were revised by an isolated acetabular cup substitution with metal-on-polyethylene couplings. Nonprogressive radiolucency lines < 2 mm in zone 2 were observed in other six patients around the acetabular component without clinical manifestation (four in the arthritis group and two in the fracture group). Postoperative Harris Hip Score and SF-36 (36-Item Short Form Survey) score improved in both groups.
Conclusion
Despite several MoM implants showing early complications and failures, a specific MoM design may be associated with good clinical results at a mid- to long-term follow-up.
Level of Evidence
This is a therapeutic case series, Level 4 study.
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Affiliation(s)
| | - Giacomo Sani
- Orthopaedic Clinic, University of Florence, Florence, Italy
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6
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Hess SR, Rudloff NA. Incisional squamous cell carcinoma after total knee arthroplasty. Arthroplast Today 2019; 5:292-295. [PMID: 31516968 PMCID: PMC6728594 DOI: 10.1016/j.artd.2019.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/11/2019] [Accepted: 07/12/2019] [Indexed: 11/26/2022] Open
Abstract
With the rising number of total knee arthroplasties being performed annually, the number of complications associated with this procedure will also continue to rise. The most common reasons for revision include infection, instability, and aseptic loosening. Fortunately, wound complications are rare, and in this case report, we describe the development of a well-differentiated squamous cell carcinoma, keratoacanthomatous type, within the surgical incision of a total knee arthroplasty several months after the index procedure.
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Affiliation(s)
- Shane R Hess
- Department of Orthopedics, The CORE Institute, Phoenix, AZ, USA
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7
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Pérez-Moro OS, Fernández-Cuadros ME, Neira-Borrajo I, Aranda-Izquierdo E, Albaladejo-Florin MJ, Llopis-Miró R. Short and mid-term outcomes and functional results in metal-on-metal hip resurfacing arthroplasty at 5 years follow-up: the Spanish experience. BMC Musculoskelet Disord 2019; 20:172. [PMID: 30992064 PMCID: PMC6469142 DOI: 10.1186/s12891-019-2498-z] [Citation(s) in RCA: 4] [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] [Received: 10/27/2017] [Accepted: 03/06/2019] [Indexed: 12/12/2022] Open
Abstract
Background Hip resurfacing arthroplasty (HRA) and in particular, Birmingham hip resurfacing (BHR), is commonly employed as an alternative to total hip arthroplasty (THA) in young patients, as it allows for preservation of femoral bone stock and resumption of physical activity. The aim of our study was to investigate 5-year survival and functional outcomes of BHR arthroplasty in young Spanish osteoarthritis (OA) patients. Methods This is an observational, prospective, cohort study of patients who underwent BHR between June 2005 and December 2009 at a Spanish public hospital with a minimum follow-up of 5 years. All surgeries were performed by a single surgeon (RLM). Survival was analyzed using the Kaplan-Meier method. Functional outcomes and return to work and physical activities were also assessed. Results Five-year survival rate of the prosthesis was 95.74% (95% CI: 95.77–98.07), and estimated 10-year survival was 92.92% (95% CI: 85.07–96.72). Harris hip score significantly increased from 41.13 to 97.63 (p < 0.001) at 5-year follow-up. Average time for returning to work and sporting activities was 3.89 (SD: 2.39) and 3.47 (SD: 1.18) months respectively. Failure occurred in 14 patients, 8 of whom experienced femoral neck fractures. Conclusions Our data support the short and mid-term efficacy of BHR arthroplasty in young OA patients, indicating good implant survival, improvement in patients’ functionality and a swift return to work and physical activities after surgery.
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Affiliation(s)
- Olga S Pérez-Moro
- Physical Medicine and Rehabilitation Department, Hospital Universitario Santa Cristina, Calle del Maestro Vives 2 y 3, Madrid, Spain.
| | - Marcos E Fernández-Cuadros
- Physical Medicine and Rehabilitation Department, Hospital Universitario Santa Cristina, Calle del Maestro Vives 2 y 3, Madrid, Spain
| | - Inmaculada Neira-Borrajo
- Traumatology and Orthopedic Surgery Department, Hospital Universitario Santa Cristina, Calle del Maestro Vives 2 y 3, Madrid, Spain
| | - Eduvigis Aranda-Izquierdo
- Traumatology and Orthopedic Surgery Department, Hospital Universitario Santa Cristina, Calle del Maestro Vives 2 y 3, Madrid, Spain
| | - María J Albaladejo-Florin
- Physical Medicine and Rehabilitation Department, Hospital Universitario Santa Cristina, Calle del Maestro Vives 2 y 3, Madrid, Spain
| | - Rafael Llopis-Miró
- Traumatology and Orthopedic Surgery Department, Hospital Universitario Santa Cristina, Calle del Maestro Vives 2 y 3, Madrid, Spain
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8
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Hallab NJ, Samelko L, Hammond D. The Inflammatory Effects of Breast Implant Particulate Shedding: Comparison With Orthopedic Implants. Aesthet Surg J 2019; 39:S36-S48. [PMID: 30715176 PMCID: PMC6355107 DOI: 10.1093/asj/sjy335] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Currently, there is a dearth of information regarding the degree of particle shedding from breast implants (BIs) and what are the general biological consequences of BI debris. Thus, it is unclear to what degree BI debris compromises the long-term biological performance of BIs. For orthopedic implants, it is well established that the severity of biological reactivity to implant debris governs long-term clinical performance. Orthopedic implant particulate debris is generally in the range of 0.01 to 100 μm in diameter. Implant debris-induced bioreactivity/inflammation is mostly a peri-implant phenomenon caused by local innate immune cells (eg, macrophages) that produce proinflammatory cytokines such as tumor necrosis factor-α, interleukin-1β, interleukin-6, and prostaglandin 2 (PGE2). In orthopedics, there have been few systemic concerns associated with polymeric implant debris (like silicone) other than documented dissemination to remote organs (eg, liver, spleen, etc.) with no known associated pathogenicity. This is not true of metal implant debris where normal (well-functioning) implants can induce systemic reactions such as delayed type hypersensitivity. Diagnostic analysis of orthopedic tissues has focused on innate (macrophage mediated) and adaptive (lymphocyte-mediated hypersensitivity) immune responses. Orthopedic implant debris-associated lymphocyte cancers have not been reported in over 40 years of orthopedic literature. Adaptive immune responses such as hypersensitivity reactions to orthopedic implant debris have been dominated by certain implant types that produce specific kinds of debris (eg, metal-on-metal total joint prostheses). Orthopedic hypersensitivity responses and atypical BI bioreactivity such as BI-associated anaplastic large cell lymphoma share crossover markers for diagnosis. Differentiating normal innate immune reactivity to particles from anaplastic large cell lymphoma reactions from delayed type hypersensitivity reactions to BI-associated implant debris remains unclear but vital to patients and surgeons.
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Affiliation(s)
- Nadim James Hallab
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL
| | - Lauryn Samelko
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL
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Postler A, Beyer F, Lützner C, Tille E, Lützner J. Similar outcome during short-term follow-up after coated and uncoated total knee arthroplasty: a randomized controlled study. Knee Surg Sports Traumatol Arthrosc 2018; 26:3459-3467. [PMID: 29616285 DOI: 10.1007/s00167-018-4928-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 03/28/2018] [Indexed: 12/27/2022]
Abstract
PURPOSE Patients with known hypersensitivity to metals often require hypoallergenic TKA implants. Coating of a standard implant is a common solution, and although in vitro tests have demonstrated reduction of polyethylene wear for these coatings, it is still unknown whether these implants have any clinical benefit. This study was initiated to investigate metal ion concentrations, knee function and patient-reported outcome (PRO) after coated and uncoated TKA. METHODS One hundred and twenty-two (122) patients were randomized to receive a coated or a standard TKA and, after exclusions, 59 patients were included in each group. Knee function and PRO were assessed with validated scores up to 3 years after surgery. Metal ion concentrations in blood samples were determined for chromium, cobalt, molybdenum and nickel, preoperatively and 1 year after surgery. RESULTS Chromium concentrations in patient plasma increased from a median of 0.25 to 1.30 µg/l in the standard TKA group, and from 0.25 to 0.75 µg/l in the coated TKA group (p = 0.012). Thirteen patients (3 coated, 10 standard TKA) had chromium concentrations above 2 µg/l. The concentrations of cobalt, molybdenum and nickel did not change. Patient-reported outcome measures (PROM) demonstrated a substantial improvement after TKA, without any differences between the groups. CONCLUSION The increase in chromium concentration in the standard group needs further investigation. If surgeons use coated implants, they can be confident that these implants perform as well as standard implants. LEVEL OF EVIDENCE I.
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Affiliation(s)
- Anne Postler
- University Center of Orthopaedics and Traumatology, University Medicine Carl Gustav Carus Dresden, Fetscherstr. 74, 01307, Dresden, Germany
| | - Franziska Beyer
- University Center of Orthopaedics and Traumatology, University Medicine Carl Gustav Carus Dresden, Fetscherstr. 74, 01307, Dresden, Germany
| | - Cornelia Lützner
- University Center of Orthopaedics and Traumatology, University Medicine Carl Gustav Carus Dresden, Fetscherstr. 74, 01307, Dresden, Germany
| | - Eric Tille
- University Center of Orthopaedics and Traumatology, University Medicine Carl Gustav Carus Dresden, Fetscherstr. 74, 01307, Dresden, Germany
| | - Jörg Lützner
- University Center of Orthopaedics and Traumatology, University Medicine Carl Gustav Carus Dresden, Fetscherstr. 74, 01307, Dresden, Germany.
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10
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Levašič V, Milošev I, Zadnik V. Risk of cancer after primary total hip replacement: The influence of bearings, cementation and the material of the stem. Acta Orthop 2018; 89:234-239. [PMID: 29388497 PMCID: PMC5901524 DOI: 10.1080/17453674.2018.1431854] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [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 - Despite the increasing number of total hip replacements (THRs), their systemic influence is still not known. We have studied the influence of specific features of THRs-the bearing surface, the use of bone cement and the material of the stem-on the cancer incidence. Patients and methods - In a retrospective cohort study we identified 8,343 patients with THRs performed at Valdoltra Hospital from September 1, 1997 to December 31, 2009. Patient data were linked to national cancer and population registries. The standardized incidence ratios (SIR) and Poisson regression relative risks (RR) were calculated for all and specific cancers. Results - General cancer risk in our cohort was comparable to the population risk. Comparing with population, the risk of prostate cancer was statistically significantly higher in patients with metal-on-metal bearings (SIR =1.35); with metal-on-polyethylene bearings (SIR =1.30), with non-cemented THRs (SIR =1.40), and with titanium alloy THRs (SIR =1.41). In these last 3 groups there was a lower risk of hematopoietic tumors (SIR =0.69; 0.66 and 0.66 respectively). Risk of kidney cancer was significantly higher in the non-metal-on-metal, non-cemented, and titanium alloy groups (SIR =1.30; 1.46 and 1.41 respectively). Risk of colorectal and lung cancer was significantly lower in the investigated cohort (SIR =0.82 and 0.83, respectively). Risk for all cancers combined as well as for prostate and skin cancer, shown by Poisson analysis, was higher in the metal-on-metal group compared with non-metal-on-metal group (RR =1.56; 2.02 and 1.92, respectively). Interpretation - Some associations were found between the THRs' features, especially a positive association between metal-on-metal bearings, and specific cancers.
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Affiliation(s)
- Vesna Levašič
- Valdoltra Orthopaedic Hospital, Ankaran,University of Ljubljana, Faculty of Medicine, Ljubljana,Correspondence:
| | - Ingrid Milošev
- Valdoltra Orthopaedic Hospital, Ankaran,Jožef Stefan Institute, Ljubljana
| | - Vesna Zadnik
- Institute of Oncology Ljubljana, Ljubljana, Slovenia
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11
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Swiatkowska I, Mosselmans JFW, Geraki T, Wyles CC, Maleszewski JJ, Henckel J, Sampson B, Potter DB, Osman I, Trousdale RT, Hart AJ. Synchrotron analysis of human organ tissue exposed to implant material. J Trace Elem Med Biol 2018; 46:128-137. [PMID: 29413102 DOI: 10.1016/j.jtemb.2017.12.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 12/19/2017] [Accepted: 12/21/2017] [Indexed: 11/16/2022]
Abstract
BACKGROUND Orthopaedic implants made of cobalt-chromium alloy undergo wear and corrosion that can lead to deposition of cobalt and chromium in vital organs. Elevated cardiac tissue cobalt levels are associated with myocardial injury while chromium is a well-established genotoxin. Though metal composition of tissues surrounding hip implants has been established, few investigators attempted to characterize the metal deposits in systemic tissues of total joint arthroplasty patients. METHODS We report the first use of micro-X-ray fluorescence coupled with micro-X-ray absorption spectroscopy to probe distribution and chemical form of cobalt, chromium and titanium in postmortem samples of splenic, hepatic and cardiac tissue of patients with metal-on-polyethylene hip implants (n = 5). RESULTS Majority of the cobalt was in the 2+ oxidation state, while titanium was present exclusively as titanium dioxide, in either rutile or anatase crystal structure. Chromium was found in a range of forms including a highly oxidised, carcinogenic species (CrV/VI), which has never been identified in human tissue before. CONCLUSIONS Carcinogenic forms of chromium might arise in vital organs of total joint arthroplasty patients. Further studies are warranted with patients with metal-on-metal implants, which tend to have an increased release of cobalt and chromium compared to metal-on-polyethylene hips.
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Affiliation(s)
- Ilona Swiatkowska
- Institute of Orthopaedics and Musculoskeletal Science, University College London, HA7 4LP Stanmore, UK.
| | - J Fred W Mosselmans
- Diamond Light Source, Harwell Science and Innovation Campus, OX11 0DE Didcot, UK
| | - Tina Geraki
- Diamond Light Source, Harwell Science and Innovation Campus, OX11 0DE Didcot, UK
| | - Cody C Wyles
- Mayo Clinic, 200 1st Street SW, Rochester, MN, USA
| | | | - Johann Henckel
- Royal National Orthopaedic Hospital, HA7 4LP Stanmore, UK
| | - Barry Sampson
- Trace Element Laboratory, Department of Clinical Chemistry, Charing Cross Hospital, Imperial College NHS Healthcare Trust, W6 8RF London, UK
| | - Dominic B Potter
- Departament of Chemistry, University College London, WC1H 0AJ London, UK
| | - Ibtisam Osman
- Trace Element Laboratory, Department of Clinical Chemistry, Charing Cross Hospital, Imperial College NHS Healthcare Trust, W6 8RF London, UK
| | | | - Alister J Hart
- Institute of Orthopaedics and Musculoskeletal Science, University College London, HA7 4LP Stanmore, UK; Royal National Orthopaedic Hospital, HA7 4LP Stanmore, UK
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12
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Development of malignant lymphoma after metal-on-metal hip replacement: a case report and review of the literature. Skeletal Radiol 2017; 46:831-836. [PMID: 28285449 DOI: 10.1007/s00256-017-2612-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2016] [Revised: 02/14/2017] [Accepted: 02/22/2017] [Indexed: 02/02/2023]
Abstract
A number of previous studies have reported a potential risk of malignancy, particularly hematological malignancy, developing in patients receiving a metal-on-metal (MoM) hip replacement. We report a case of malignant lymphoma that arose in a patient who had an MoM hip arthroplasty complicated by development of a pseudotumour. The tumour was a B cell follicular lymphoma that involved lymph nodes and bone. Metal ions are known to have a genotoxic effect on lymphoid cells. Although epidemiological studies have not established that there is an increased risk of lymphoma associated with MoM implants, only a relatively short time period has elapsed since re-introduction of this type of implant and long-term follow-up of patients with MoM implants is indicated.
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13
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van Lingen CP, Zagra LM, Ettema HB, Verheyen CC. Sequelae of large-head metal-on-metal hip arthroplasties: Current status and future prospects. EFORT Open Rev 2016; 1:345-353. [PMID: 28461912 PMCID: PMC5367524 DOI: 10.1302/2058-5241.1.160014] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Large-head metal-on-metal (MoM) bearings were re-popularised in the late 1990s with the introduction of modern hip resurfacing (HR), followed closely by large metal head total hip arthroplasty (THA). A worldwide increase in the use of MoM hip arthroplasty subsequently saw a sharp decline, due to serious complications.MoM was rapidly adopted in the early 2000s until medical device alerts were issued by government regulatory agencies and national and international organisations, leading to post-marketing surveillance and discontinuation of these implants.Guidelines for MoM hip implant follow-up differ considerably between regulatory authorities worldwide; this can in part be attributed to missing or conflicting evidence.The authors consider that the use of large-head MoM THA should be discontinued. MoM HR should be approached with caution and, when considered, should be used only in patients who meet all of the recommended selection criteria, which limits its indications considerably.The phased introduction of new prostheses should be mandatory in future. Close monitoring of outcomes and long-term follow-up is also necessary for the introduction of new prostheses. Cite this article: van Lingen CP, Zagra LM, Ettema HB, Verheyen CC. Sequelae of large-head metal-on-metal hip arthroplasties: current status and future prospects. EFORT Open Rev 2016;1:345-353. DOI: 10.1302/2058-5241.1.160014.
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Affiliation(s)
| | | | - Harmen B. Ettema
- Isala Clinics, Department of Orthopaedic Surgery and Traumatology, Zwolle, The Netherlands
| | - Cees C. Verheyen
- Isala Clinics, Department of Orthopaedic Surgery and Traumatology, Zwolle, The Netherlands
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Beyer F, Lützner C, Kirschner S, Lützner J. Midterm Results After Coated and Uncoated TKA: A Randomized Controlled Study. Orthopedics 2016; 39:S13-7. [PMID: 27219721 DOI: 10.3928/01477447-20160509-10] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Accepted: 02/03/2016] [Indexed: 02/03/2023]
Abstract
Patients undergoing total knee arthroplasty (TKA) who have hypersensitivity to metals usually receive hypoallergenic TKA implants. Coating of a standard implant is a common solution. Although in vitro tests have demonstrated reduction in polyethylene wear for these coatings, it is unknown whether these costly implants have a clinical benefit for patients. One hundred twenty patients undergoing TKA were randomly assigned to receive a novel 7-layer-coating implant or a standard TKA implant. One revision occurred in the standard group, resulting in a calculated 5-year survival of 100% in the coated group and 98.1% in the standard group. The Oxford Knee Score improved substantially in both groups from a mean of 21.6 points preoperatively in the coated group and 21.9 points in the standard group to 39.2 points and 39.2 points, respectively. The current authors observed no adverse effects with the new coating during midterm follow-up. However, longer follow-up time is needed to evaluate possible advantages of this coating. [Orthopedics. 2016; 39(3):S13-S17.].
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Chalmers BP, Perry KI, Taunton MJ, Mabry TM, Abdel MP. Diagnosis of adverse local tissue reactions following metal-on-metal hip arthroplasty. Curr Rev Musculoskelet Med 2016; 9:67-74. [PMID: 26816329 PMCID: PMC4762796 DOI: 10.1007/s12178-016-9321-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Metal-on-metal (MOM) bearing surfaces in hip arthroplasty have distinct advantages that led to the increase in popularity in North America in the early 2000s. However, with their increased use, concerns such as local cytotoxicity and hypersensitivity reactions leading to soft tissue damage and cystic mass formation (known collectively as adverse local tissue reactions (ALTR)) became apparent. The clinical presentation of ALTR is highly variable. The diagnosis of ALTR in MOM articulations in hip arthroplasty can be challenging and a combination of clinical presentation, physical examination, implant track record, component positioning, serum metal ion levels, cross-sectional imaging, histopathologic analysis, and consideration of alternative diagnoses are essential.
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Affiliation(s)
- Brian P Chalmers
- Department of Orthopedic Surgery, Mayo Clinic, 200 First Street S.W, Rochester, MN, 55905, USA.
| | - Kevin I Perry
- Department of Orthopedic Surgery, Mayo Clinic, 200 First Street S.W, Rochester, MN, 55905, USA.
| | - Michael J Taunton
- Department of Orthopedic Surgery, Mayo Clinic, 200 First Street S.W, Rochester, MN, 55905, USA.
| | - Tad M Mabry
- Department of Orthopedic Surgery, Mayo Clinic, 200 First Street S.W, Rochester, MN, 55905, USA.
| | - Matthew P Abdel
- Department of Orthopedic Surgery, Mayo Clinic, 200 First Street S.W, Rochester, MN, 55905, USA.
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Cheung AC, Banerjee S, Cherian JJ, Wong F, Butany J, Gilbert C, Overgaard C, Syed K, Zywiel MG, Jacobs JJ, Mont MA. Systemic cobalt toxicity from total hip arthroplasties. Bone Joint J 2016; 98-B:6-13. [PMID: 26733509 DOI: 10.1302/0301-620x.98b1.36374] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Recently, the use of metal-on-metal articulations in total hip arthroplasty (THA) has led to an increase in adverse events owing to local soft-tissue reactions from metal ions and wear debris. While the majority of these implants perform well, it has been increasingly recognised that a small proportion of patients may develop complications secondary to systemic cobalt toxicity when these implants fail. However, distinguishing true toxicity from benign elevations in cobalt ion levels can be challenging. The purpose of this two part series is to review the use of cobalt alloys in THA and to highlight the following related topics of interest: mechanisms of cobalt ion release and their measurement, definitions of pathological cobalt ion levels, and the pathophysiology, risk factors and treatment of cobalt toxicity. Historically, these metal-on-metal arthroplasties are composed of a chromium-cobalt articulation. The release of cobalt is due to the mechanical and oxidative stresses placed on the prosthetic joint. It exerts its pathological effects through direct cellular toxicity. This manuscript will highlight the pathophysiology of cobalt toxicity in patients with metal-on-metal hip arthroplasties. Take home message: Patients with new or evolving hip symptoms with a prior history of THA warrant orthopaedic surgical evaluation. Increased awareness of the range of systemic symptoms associated with cobalt toxicity, coupled with prompt orthopaedic intervention, may forestall the development of further complications. Cite this article: Bone Joint J 2016;98-B:6–13.
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Affiliation(s)
- A. C. Cheung
- University of Toronto, 200
Elizabeth Street, Toronto, Ontario, M5G
2C4, Canada
| | - S. Banerjee
- Sinai Hospital of Baltimore, 2401 West
Belvedere Avenue, Baltimore, Maryland, USA
| | - J. J. Cherian
- Sinai Hospital of Baltimore, 2401 West
Belvedere Avenue, Baltimore, Maryland, USA
| | - F. Wong
- University of Toronto, 200
Elizabeth Street, Toronto, Ontario, M5G
2C4, Canada
| | - J. Butany
- University of Toronto, 200
Elizabeth Street, Toronto, Ontario, M5G
2C4, Canada
| | - C. Gilbert
- University of Toronto, 200
Elizabeth Street, Toronto, Ontario, M5G
2C4, Canada
| | - C. Overgaard
- University of Toronto, 200
Elizabeth Street, Toronto, Ontario, M5G
2C4, Canada
| | - K. Syed
- University of Toronto, 100
College Street Room 302, Toronto, Ontario, M5G
1L5, Canada
| | - M. G. Zywiel
- University of Toronto, 100
College Street Room 302, Toronto, Ontario, M5G
1L5, Canada
| | - J. J. Jacobs
- Rush
University, 1611 W. Harrison St., Suite
400, Chicago, IL60612, USA
| | - M. A. Mont
- Sinai Hospital of Baltimore, 2401 West
Belvedere Avenue, Baltimore, Maryland, USA
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Long-term systemic metal distribution in patients with stainless steel spinal instrumentation: a case-control study. ACTA ACUST UNITED AC 2015; 28:114-8. [PMID: 22907064 DOI: 10.1097/bsd.0b013e31826eaa27] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
STUDY DESIGN Case-control study. OBJECTIVE To verify whether metal ions in the serum of patients bearing spinal stainless steel instrumentation were elevated over the long-term period after implantation of stainless steel prostheses and to determine whether these levels could predict potential unfavorable outcomes. SUMMARY OF BACKGROUND DATA Instrumented spinal arthrodesis, the standard procedure to correct scoliosis, routinely remains in situ for the lifetime of the patient. Elevated metal ion levels have been reported at short-term follow-up, but the long-term status, possibly related to systemic toxic effects, is unknown. METHODS Twenty-two patients treated for scoliosis with posterior spinal arthrodesis using stainless steel instrumentation were included. Minimum follow-up was 10 years. Oswestry Disability Index and visual analog scale were recorded. Chromium (Cr) and nickel (Ni) levels were measured (ng/mL) and compared with levels in a control group including 30 healthy subjects. A receiver-operating characteristic curve was calculated on the basis of the clinical assessment (pain and disability) and the x-ray picture; the cutoff values for the parameters were settled, and the ion-testing potential was considered as a surrogate marker for failure. RESULTS The level of Cr was significantly increased in patients, compared with controls (P=0.018). A remarkable Cr release without any clinical-radiologic sign was recorded in some female patients. A high specificity (93%), positive likelihood ratio (7.00), and overall accuracy (77%) were calculated for Cr; these indicate a high risk of failure when the levels exceeded the cutoff value, which was 0.6 ng/mL. No significant difference between the groups was found for Ni (P=0.7). CONCLUSIONS Cr testing is suggested as a reliable marker for the malfunctioning assessment and as a support for standard procedures, especially with doubtful diagnosis. Furthermore, high levels of Cr ions were observed in female patients. This finding deserves attention especially when counseling young fertile women.
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Morehouse HA, Wilson DJ, Cannon CP, Manoso MW. Conventional Chondrosarcoma Diagnosed After Total Knee Arthroplasty: A Case Report. JBJS Case Connect 2015; 5:e104. [PMID: 29252810 DOI: 10.2106/jbjs.cc.o.00022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
CASE Three years after a total knee arthroplasty, the patient presented with persistent pain and an enlarging intra-articular periprosthetic mass. Attempts at nonoperative treatment and arthroscopic debridement were unsuccessful. A biopsy revealed a large, intermediate-grade chondrosarcoma involving the joint space. The patient was treated with an above-the-knee amputation, but eventually died as a result of widespread metastatic disease. CONCLUSION To our knowledge, this is the first reported case of chondrosarcoma involving the joint space that was diagnosed after total knee arthroplasty. This case demonstrates the need for increased awareness when there are suspicious clinical findings and the importance of diagnosing and/or treating tumors prior to or shortly after total joint arthroplasty.
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Affiliation(s)
- Hannah A Morehouse
- Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814
| | - David J Wilson
- Madigan Army Medical Center, 9040 Jackson Avenue, Tacoma, WA 98431
| | | | - Mark W Manoso
- Madigan Army Medical Center, 9040 Jackson Avenue, Tacoma, WA 98431
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Mistretta V, Charlier C. Le dosage du cobalt dans le sang par ICP-MS : application aux patients porteurs de prothèses de hanche en métal. TOXICOLOGIE ANALYTIQUE ET CLINIQUE 2015. [DOI: 10.1016/j.toxac.2015.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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20
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Engh CA, MacDonald SJ, Sritulanondha S, Korczak A, Naudie D, Engh C. Metal ion levels after metal-on-metal total hip arthroplasty: a five-year, prospective randomized trial. J Bone Joint Surg Am 2014; 96:448-55. [PMID: 24647500 DOI: 10.2106/jbjs.m.00164] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The U.S. Food and Drug Administration has requested post-market surveillance data, including data on metal ion levels, regarding metal-on-metal total hip arthroplasty. We performed a prospective, randomized study of metal ion levels in erythrocytes, serum, and whole blood at five years after 28 and 36-mm metal-on-metal and 28-mm metal-on-polyethylene total hip arthroplasty. METHODS One hundred and five enrolled patients were randomized equally to the three bearing surface options and were blinded with regard to their treatment group. Metal ion measurements and clinical evaluations were performed at regular intervals. RESULTS Cobalt and chromium ion levels in all blood sample types at the five-year time point were significantly lower in the metal-on-polyethylene group than in each of the two metal-on-metal groups (p < 0.001) with the exception of chromium in erythrocytes (p = 0.194). Cobalt in serum (p = 0.029) and erythrocytes (p = 0.002) showed significant increases from two to five years in the 36-mm metal-on-metal group; similar increases were not seen in the 28-mm metal-on-metal group. At five years, five patients in the 36-mm metal-on-metal group and none in the 28-mm metal-on-metal group had cobalt or chromium levels of >7 ppb. Correlations among levels in serum, erythrocyte, and whole blood were stronger for cobalt than for chromium. One patient in the 36-mm metal-on-metal group underwent revision because of an adverse local tissue reaction. CONCLUSIONS The 36-mm metal-on-metal bearing underperformed the 28-mm metal-on-metal bearing with respect to metal ion levels. The authors are closely following all patients treated with metal-on-metal total hip arthroplasty.
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Affiliation(s)
- C A Engh
- Anderson Orthopaedic Research Institute, P.O. Box 7088, Alexandria, VA 22306. E-mail address for C.A. Engh:
| | - S J MacDonald
- Division of Orthopaedic Surgery, London Health Sciences Centre-University Hospital, 339 Windermere Road, London, ON N6A 5A5, Canada
| | - S Sritulanondha
- Anderson Orthopaedic Research Institute, P.O. Box 7088, Alexandria, VA 22306. E-mail address for C.A. Engh:
| | - A Korczak
- Division of Orthopaedic Surgery, London Health Sciences Centre-University Hospital, 339 Windermere Road, London, ON N6A 5A5, Canada
| | - D Naudie
- Division of Orthopaedic Surgery, London Health Sciences Centre-University Hospital, 339 Windermere Road, London, ON N6A 5A5, Canada
| | - C Engh
- Anderson Orthopaedic Research Institute, P.O. Box 7088, Alexandria, VA 22306. E-mail address for C.A. Engh:
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Hwang KT, Kim YH, Kim YS, Choi IY. Is second generation metal-on-metal primary total hip arthroplasty with a 28 mm head a worthy option?: a 12- to 18-year follow-up study. J Arthroplasty 2013; 28:1828-33. [PMID: 23890829 DOI: 10.1016/j.arth.2013.06.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Revised: 05/28/2013] [Accepted: 06/15/2013] [Indexed: 02/01/2023] Open
Abstract
To determine whether MoM THA with a small head is still worthy of use, we investigated survivorship, complications, and factors influencing failure. Of 149 consecutive patients (195 hips), 141 (180 hips) of mean age 43 (19-55) years were available for review at a mean of 14.4 years postoperatively. Survivorship for cup revision for any cause was 97.8% at 18.4 years postoperatively. Nine hips generated complaints of groin pain; six showed periacetabular osteolysis, one had pain without radiological change, and two were diagnosed as symptomatic pseudotumors. Four of six hips with periacetabular osteolysis or aseptic loosening were revised. Surgery- and patient-related factors had no effect in results. Our results are encouraging, however, further study will be necessary to determine the incidence and fates of pseudotumors after MoM THA with a small head.
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Affiliation(s)
- Kyu-Tae Hwang
- Department of Orthopaedic Surgery, Hanyang University Hospital, Seoul, South Korea
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22
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Lützner J, Hartmann A, Dinnebier G, Spornraft-Ragaller P, Hamann C, Kirschner S. Metal hypersensitivity and metal ion levels in patients with coated or uncoated total knee arthroplasty: a randomised controlled study. INTERNATIONAL ORTHOPAEDICS 2013; 37:1925-31. [PMID: 23860793 PMCID: PMC3779567 DOI: 10.1007/s00264-013-2010-6] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Accepted: 06/24/2013] [Indexed: 12/23/2022]
Abstract
PURPOSE Metal ion release by orthopaedic implants may cause local and systemic effects and induce hypersensitivity reactions. Coated implants have been developed to prevent or reduce these effects. This study was initiated to investigate the safety of a novel coating for total knee arthroplasty (TKA) implants. METHODS A total of 120 patients undergoing primary TKA with no history of hypersensitivity and no other metal implant were randomised to receive either a coated or uncoated implant. Chromium (Cr), cobalt (Co), molybdenum (Mb) and nickel (Ni) hypersensitivity patch testing and plasma ion concentrations were evaluated pre-operatively and one year post-operatively. RESULTS At the one year follow-up both groups demonstrated significant improvement in knee function and quality of life. One new weakly positive reaction to Co in the TKA group with coated implant and two doubtful skin reactions to Ni (one in each group) were noted. Even with sensitisation to implant materials no skin reactions were observed. Plasma metal ion concentrations did not increase and were not elevated at the one year follow-up in either group. CONCLUSIONS Sensitisation after TKA was rare and had no influence on clinical results. TKA with coated implant and standard TKA demonstrated no plasma metal ion elevation.
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Affiliation(s)
- Jörg Lützner
- Department of Orthopaedic Surgery, University Hospital Carl Gustav Carus, Medical Faculty of the Technical University of Dresden, Fetscherstr. 74, 01307, Dresden, Germany,
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Lalmohamed A, MacGregor AJ, de Vries F, Leufkens HGM, van Staa TP. Patterns of risk of cancer in patients with metal-on-metal hip replacements versus other bearing surface types: a record linkage study between a prospective joint registry and general practice electronic health records in England. PLoS One 2013; 8:e65891. [PMID: 23861740 PMCID: PMC3701644 DOI: 10.1371/journal.pone.0065891] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2013] [Accepted: 04/29/2013] [Indexed: 02/04/2023] Open
Abstract
Background There are concerns that metal-on-metal hip implants may cause cancer. The objective of this study was to evaluate patterns and timing of risk of cancer in patients with metal-on-metal total hip replacements (THR). Methods In a linkage study between the English National Joint Registry (NJR) and the Clinical Practice Research Datalink (CPRD), we selected all THR surgeries (NJR) between 2003 and 2010 (n = 11,540). THR patients were stratified by type of bearing surface. Patients were followed up for cancer and Poisson regression was used to derive adjusted relative rates (RR). Results The risk of cancer was similar in patients with hip resurfacing (RR 0.69; 95% Confidence Interval [CI] 0.39–1.22) or other types of bearing surfaces (RR 0.96; 95% CI 0.64–1.43) compared to individuals with stemmed metal-on-metal THR. The pattern of cancer risk over time did not support a detrimental effect of metal hip implants. There was substantial confounding: patients with metal-on-metal THRs used fewer drugs and had less comorbidity. Conclusions Metal-on-metal THRs were not associated with an increased risk of cancer. There were substantial baseline differences between the different hip implants, indicating possibility of confounding in the comparisons between different types of THR implants.
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Affiliation(s)
- Arief Lalmohamed
- Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
- Department of Clinical Pharmacy, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Frank de Vries
- Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
- Medical Research Council (MRC) Lifecourse Epidemiology Unit, Southampton General Hospital, Southampton, United Kingdom
- Department of Clinical Pharmacy and Toxicology, Maastricht University Medical Centre+, Maastricht, The Netherlands
- Care and Public Health Research Institute (CAPHRI), Maastricht, The Netherlands
| | - Hubertus G. M. Leufkens
- Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Tjeerd P. van Staa
- Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
- Medical Research Council (MRC) Lifecourse Epidemiology Unit, Southampton General Hospital, Southampton, United Kingdom
- Clinical Practice Research Datalink (CPRD), Medicines and Healthcare products Regulatory Agency, London, United Kingdom
- * E-mail:
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Jantzen C, Jørgensen HL, Duus BR, Sporring SL, Lauritzen JB. Chromium and cobalt ion concentrations in blood and serum following various types of metal-on-metal hip arthroplasties: a literature overview. Acta Orthop 2013; 84:229-36. [PMID: 23594249 PMCID: PMC3715816 DOI: 10.3109/17453674.2013.792034] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND AND PURPOSE Widely different metal ion concentrations in blood and serum have been reported with metal-on-metal (MoM) implants. We reviewed the literature on blood and serum ion concentrations of chromium (Cr) and cobalt (Co) following various MoM hip arthroplasties. METHODS Studies were searched for in the Medline database, Embase, and the Cochrane Database of Systematic Reviews. Highest mean or median ion concentrations of Cr and Co after a minimum of 1 year of follow-up were extracted and grouped according to sample- and articulation type, and average values were calculated. RESULTS 43 studies were included and 16 different MoM implants were identified. For the different types of bearings, average ion concentrations and range were calculated from the mean or median ion concentration. The average Cr concentration ranged between 0.5 and 2.5 μg/L in blood and between 0.8 and 5.1 μg/L in serum. For Co, the range was 0.7-3.4 μg/L in blood and 0.3-7.5 μg/L in serum. INTERPRETATION When the average blood ion concentrations calculated for the different implants, together with the concentrations measured in the individual studies, were compared with the upper acceptable limit for Cr and Co in blood, no clear pattern was recognized. Furthermore, we were unable to detect any clear difference in ion concentrations between different types of implants (THA and resurfacing).
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Affiliation(s)
| | - Henrik L Jørgensen
- Clinical Biochemistry, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
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Breast milk metal ion levels in a young and active patient with a metal-on-metal hip prosthesis. J Arthroplasty 2013; 28:196.e19-22. [PMID: 22868068 DOI: 10.1016/j.arth.2012.06.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2011] [Revised: 05/07/2012] [Accepted: 06/15/2012] [Indexed: 02/01/2023] Open
Abstract
Metal-on-metal resurfacing arthroplasty of the hip has been used increasingly over the last 10 years in younger active patients. The dissolution of the metal wear particles results in measurable increases in cobalt and chromium ions in the serum and urine of patients with a metal-on-metal bearing. We measured the cobalt, chromium, and molybdenum ion levels in urine; serum; and breast milk in a young and active patient with a metal-on-metal hip prosthesis after a pathologic fracture of the femoral neck. Metal-on-metal hip prosthesis leads to increasing levels of molybdenum in breast milk in the short-term follow-up. There are no increasing levels of chromium and cobalt ions in breast milk. Besides the already known elevated concentrations in serum of chromium and cobalt after implantation of a metal-on-metal hip prosthesis, we found no increasing levels of chromium and cobalt in urine.
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Nikolaou VS, Petit A, Zukor DJ, Papanastasiou C, Huk OL, Antoniou J. Presence of cobalt and chromium ions in the seminal fluid of young patients with metal-on-metal total hip arthroplasty. J Arthroplasty 2013; 28:161-7. [PMID: 22743122 DOI: 10.1016/j.arth.2012.04.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2011] [Accepted: 04/17/2012] [Indexed: 02/01/2023] Open
Abstract
We aimed to investigate the effect of metal ions on the semen of males of child fathering age with metal-on-metal (MM) total hip arthroplasty (THA). Semen was collected form 11 patients with MM THA and 5 control of comparable age. Cobalt and chromium concentrations were measured in both the seminal plasma and in the blood of patients. Results showed that cobalt level was higher in the seminal plasma of MM THA patients (2.89 μg/L) compared to control patients (1.12 μg/L) (P = .011). The ejaculate volume, the sperm density, the total sperm count, the pH, and the percentage of cells with normal morphology were in the range of the World Health Organization criteria for fertile population.
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Affiliation(s)
- Vassilios S Nikolaou
- Division of Orthopaedic Surgery, McGill University, 3755, Chemin de la Côte Ste-Catherine, Montréal, QC H3T 1E2, Canada
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Migaud H, Putman S, Combes A, Berton C, Bocquet D, Vasseur L, Girard J. Metal-on-Metal Bearing: Is This the End of the Line? We Do Not Think So. HSS J 2012; 8:262-9. [PMID: 24082870 PMCID: PMC3470659 DOI: 10.1007/s11420-012-9300-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2011] [Accepted: 07/05/2012] [Indexed: 02/07/2023]
Abstract
BACKGROUND Recent studies have recommended the discontinuation of metal-on-metal (MoM) components in total hip arthroplasty (THA) because of adverse effects reported with large-diameter MoM THA. This is despite favorable long-term results observed with 28 and 32 mm MoM bearings. QUESTIONS/PURPOSES The aim of this study was to assess the value of calls for an end to MoM bearings as THA components. Specifically, we wish to address the risks associated with MoM bearings including adverse soft tissue reactions, metal ion release, and carcinogenic risk. METHODS The study evaluates the arguments in the literature reporting on MoM (adverse soft tissue reactions, metal ion release, and carcinogenic risk) and the experience of the current authors who re-introduced these bearings in 1995. They are balanced by a benefit-risk review of the literature and the authors' experience with MoM use. RESULTS Adverse reactions to metallic debris as well as metal ion release are predictable and can be prevented by adequate design (arc of coverage, clearance), metallurgy (forged instead of cast alloy, high-carbide content), and appropriate component orientation. There is no scientific evidence that carcinogenicity is increased in subjects with MoM hip prostheses. MoM articulations appear to be attractive allowing safe hip resurfacing, decreasing the risk of THA revision in active patients, and providing secure THA fixation with cement in cages in severely deformed hips. MoM bearings in women of child-bearing age are controversial, but long-term data on metallic devices in adolescents undergoing spinal surgery seem reassuring. DISCUSSION Adequate selection of MoM articulations ensures their safe use. These articulations are sensitive to orientation. Fifteen years of safe experience with 28- and 32-mm bearings of forged alloy and high-carbide content is the main reason for retaining them in primary and revision THA.
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Affiliation(s)
- Henri Migaud
- Department of Orthopedic Surgery, Roger Salengro Hospital, University of Lille, 2 Av Oscar Lambret, 59037 Lille Cedex, France ,Orthopaedics Department, University of Lille, 2 avenue Oscar Lambret, 59037 Lille Cedex, France
| | - Sophie Putman
- Department of Orthopedic Surgery, Roger Salengro Hospital, University of Lille, 2 Av Oscar Lambret, 59037 Lille Cedex, France ,Orthopaedic Department, Lille University Hospital, 2 avenue Oscar Lambret, 59037 Lille Cedex, France
| | - Antoine Combes
- Department of Orthopedic Surgery, Roger Salengro Hospital, University of Lille, 2 Av Oscar Lambret, 59037 Lille Cedex, France ,Orthopaedics Department, University of Lille, 2 avenue Oscar Lambret, 59037 Lille Cedex, France
| | - Charles Berton
- Department of Orthopedic Surgery, Roger Salengro Hospital, University of Lille, 2 Av Oscar Lambret, 59037 Lille Cedex, France ,Orthopaedics Department, University of Lille, 2 avenue Oscar Lambret, 59037 Lille Cedex, France
| | - Donatien Bocquet
- Department of Orthopedic Surgery, Roger Salengro Hospital, University of Lille, 2 Av Oscar Lambret, 59037 Lille Cedex, France ,Orthopaedics Department, University of Lille, 2 avenue Oscar Lambret, 59037 Lille Cedex, France
| | - Laurent Vasseur
- Department of Orthopedic Surgery, Roger Salengro Hospital, University of Lille, 2 Av Oscar Lambret, 59037 Lille Cedex, France ,Orthopaedics Department, University of Lille, 2 avenue Oscar Lambret, 59037 Lille Cedex, France
| | - Julien Girard
- Department of Orthopedic Surgery, Roger Salengro Hospital, University of Lille, 2 Av Oscar Lambret, 59037 Lille Cedex, France ,Department of Sport and Medicine, University of Lille 2, Lille, France ,Orthopaedics Department, University of Lille, 2 avenue Oscar Lambret, 59037 Lille Cedex, France
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Kwon YM, Jacobs JJ, MacDonald SJ, Potter HG, Fehring TK, Lombardi AV. Evidence-based understanding of management perils for metal-on-metal hip arthroplasty patients. J Arthroplasty 2012; 27:20-5. [PMID: 22608691 DOI: 10.1016/j.arth.2012.03.029] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2012] [Accepted: 03/13/2012] [Indexed: 02/01/2023] Open
Abstract
Adverse biological reactions causing failures of metal-on-metal (MoM) hip arthroplasty can be local or systemic. Both dose-dependent cytotoxicity of wear debris leading to subsequent necrosis of periprosthetic soft tissues and adaptive immunity may play an important role in pathogenesis in susceptible patients. There appears to be a spectrum of clinical presentations of adverse soft tissue reactions, reflecting a complex interplay of implant, surgical, and patient factors. A systematic treatment approach is helpful in optimizing evidence-based management of MoM patients. Although specialized tests such as metal ion levels are a useful diagnostic tool for evaluating MoM hip arthroplasty patients, overreliance on any single investigative tool in clinical decision-making process should be avoided. Future research focusing on diagnostic tools for detecting adverse periprosthetic soft tissue necrosis as well as optimization of MoM bearings and modular connections to further diminish wear and corrosion is warranted.
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Affiliation(s)
- Young-Min Kwon
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA
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29
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Barrett WP, Kindsfater KA, Lesko JP. Large-diameter modular metal-on-metal total hip arthroplasty: incidence of revision for adverse reaction to metallic debris. J Arthroplasty 2012; 27:976-83.e1. [PMID: 22425300 DOI: 10.1016/j.arth.2012.01.019] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2011] [Accepted: 01/20/2012] [Indexed: 02/01/2023] Open
Abstract
Large-diameter modular metal-on-metal (MOM) total hip arthroplasty (THA) may offer reduction in wear debris and improved stability. Four studies are summarized here that used a large-diameter modular MOM system. A total of 1076 THAs were performed. This article presents data from 779 of these THAs with minimum 2-year follow-up (mean, 4.2 years) or revision since index THA (21 hips, with 1 more pending). Overall survivorship at 2 years was 98.6%; at 5 years, it was 97.0%. Seven revisions for an adverse reaction to metallic debris (ARMED), and 1 additional pending revision for ARMED, showed marked variability in presenting symptoms and intraoperative and postoperative findings. Data show good clinical performance of the modular MOM system, but suggest that surgeons must be diligent in monitoring MOM THA patients and aggressive in diagnosing and revising patients with a potential ARMED.
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Affiliation(s)
- William P Barrett
- Valley Orthopedic Associates, Proliance Surgeons, Joint Center at Valley Medical Center, Renton, Washington 98055, USA
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30
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Krantz N, Miletic B, Migaud H, Girard J. Hip resurfacing in patients under thirty years old: an attractive option for young and active patients. INTERNATIONAL ORTHOPAEDICS 2012; 36:1789-94. [PMID: 22576079 DOI: 10.1007/s00264-012-1555-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2012] [Accepted: 04/11/2012] [Indexed: 12/12/2022]
Abstract
PURPOSE Metal-on-metal hip resurfacing is offered as an alternative to traditional hip arthroplasty for young, active adults with advanced osteoarthritis. The concept of hip resurfacing is considered very attractive for this specific population (hard-on-hard bearing component with a large femoral head limiting the risk of dislocation, and allowing femoral bone stock preservation). METHODS A prospective clinical trial was designed to investigate the outcome of hip resurfacing in young patients (under 30 years old). We studied 24 hips in 22 patients. Mean age at operation was 24.9 years (range 17.1-29.9). No patient was lost to follow-up. RESULTS There was no revision at average follow-up of 50.6 months (44-59). Mean UCLA activity score improved from 5.5 (1-9) pre-operatively to 7.6 (1-10) postoperatively (p < 0.001). Mean Harris hip score increased from 43.9 (19-67) to 89.3 (55-100) (p < 0.001). Radiological analysis discerned no osteolysis and no implant migration. CONCLUSION The absence of short-term complications, such as mechanical failure or dislocation, is encouraging and leads us to think that mid-term results will be satisfactory. Moreover, the specific advantages of hip resurfacing (bone stock preservation, excellent stability, low risk of dislocation, large-diameter head) make the procedure a very attractive option for young subjects.
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Affiliation(s)
- Nicolas Krantz
- Department of Orthopedic Surgery, Roger Salengro Hospital, 2 avenue Oscar Lambret, Lille 59037, France
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31
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Schwartsmann CR, Boschin LC, Gonçalves RZ, Yépez AK, de Freitas Spinelli L. NEW BEARING SURFACES IN TOTAL HIP REPLACEMENT. Rev Bras Ortop 2012; 47:154-9. [PMID: 27042614 PMCID: PMC4799379 DOI: 10.1016/s2255-4971(15)30079-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2011] [Accepted: 09/15/2011] [Indexed: 11/26/2022] Open
Abstract
Total hip arthroplasty is being increasingly indicated for younger and more active patients, in addition to a naturally growing demand for the procedure because of increasing life expectancy among patients. The high costs of this surgery and the controversies regarding implant performance have made this topic the subject of constant research, seeking new materials with better resistance to wear and better biocompatibility. The present article provides a review of new surfaces in total hip arthroplasty.
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Affiliation(s)
- Carlos Roberto Schwartsmann
- Full Professor of Orthopedics, Federal University of Health Sciences of Porto Alegre (UFCSPA), and Head of the Orthopedics and Traumatology Service, Hospital Complex of Santa Casa de Porto Alegre, Porto Alegre, RS, Brazil
| | | | | | - Anthony Kerbes Yépez
- Hip Surgery Group, Hospital Complex of Santa Casa de Porto Alegre, Porto Alegre, RS, Brazil
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32
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Knight SR, Aujla R, Biswas SP. Total Hip Arthroplasty - over 100 years of operative history. Orthop Rev (Pavia) 2011; 3:e16. [PMID: 22355482 PMCID: PMC3257425 DOI: 10.4081/or.2011.e16] [Citation(s) in RCA: 110] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2011] [Accepted: 09/23/2011] [Indexed: 12/27/2022] Open
Abstract
Total hip arthroplasty (THA) has completely revolutionized the nature in which the arthritic hip is treated, and is considered to be one of the most successful orthopaedic interventions of its generation. With over 100 years of operative history, this review examines the progression of the operation from its origins, together with highlighting the materials and techniques that have contributed to its development. Knowledge of its history contributes to a greater understanding of THA, such as the reasons behind selection of prosthetic materials in certain patient groups, while demonstrating the importance of critically analyzing research to continually determine best operative practice. Finally, we describe current areas of research being undertaken to further advance techniques and improve outcomes.
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33
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Osteosarcoma condroblástico sobre una artroplastia total de cadera. RADIOLOGIA 2011; 53:368-71. [DOI: 10.1016/j.rx.2010.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2010] [Revised: 10/09/2010] [Accepted: 10/11/2010] [Indexed: 11/23/2022]
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34
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Dastane M, Wan Z, Deshmane P, Long WT, Dorr LD. Primary hip arthroplasty with 28-mm Metasul articulation. J Arthroplasty 2011; 26:662-4. [PMID: 20541891 DOI: 10.1016/j.arth.2010.04.021] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2009] [Accepted: 04/01/2010] [Indexed: 02/01/2023] Open
Abstract
This follow-up study reports on 69 patients at mean 13 years with total hip arthroplasty using 28-mm Metasul (Zimmer, Winterthur, Switzerland) metal-on-metal articulation. These results are not transferable to large-diameter head metal-on-metal articulations. Four new revisions, 3 for disassociation of the liner and 1 for mechanical loosening of the acetabulum, occurred since the previous report of mean 7.3 years. The prevalent cause of late revision is disassociation, which suggests a high frictional torque or impingement in these articulation surfaces. No revision was done for osteolysis. Overall, of the original 127 hips, 116 (91%) were known to have maintained their original components.
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Affiliation(s)
- Manish Dastane
- The Arthritis Institute at Good Samaritan Hospital, Los Angeles, CA 90017, USA
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35
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Kim PR, Beaulé PE, Dunbar M, Lee JKL, Birkett N, Turner MC, Yenugadhati N, Armstrong V, Krewski D. Cobalt and chromium levels in blood and urine following hip resurfacing arthroplasty with the Conserve Plus implant. J Bone Joint Surg Am 2011; 93 Suppl 2:107-17. [PMID: 21543699 DOI: 10.2106/jbjs.j.01721] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The purpose of the present study was to determine cobalt and chromium ion levels in the blood and urine of patients in whom a modern-generation metal-on-metal hip resurfacing device had been implanted. METHODS A total of ninety-seven patients with a Conserve Plus metal-on-metal hip resurfacing implant were followed prospectively for two years. Cobalt and chromium levels in erythrocytes, serum, and urine were measured preoperatively as well as three, six, twelve, and twenty-four months postoperatively. RESULTS The median serum cobalt and chromium ion levels were 1.04 μg/L (range, 0.31 to 7.42 μg/L) and 2.00 μg/L (range, 0.28 to 10.49 μg/L), respectively, at one year after surgery and 1.08 μg/L (range, 0.44 to 7.13 μg/L) and 1.64 μg/L (range, 0.47 to 10.95 μg/L), respectively, at two years after surgery. The corresponding mean levels (and standard deviations) of serum cobalt and chromium were 1.68 ± 1.66 μg/L and 2.70 ± 2.22 μg/L, respectively, at one year after surgery and 1.79 ± 1.66 μg/L and 2.70 ± 2.37 μg/L, respectively, at two years after surgery. CONCLUSIONS These levels compare favorably with other published ion results for metal-on-metal hip resurfacing and replacement implants. No pseudotumors or other adverse soft-tissue reactions were encountered in our study population. Further research is needed to determine the clinical importance of increased cobalt and chromium ion levels in serum and urine following metal-on-metal hip resurfacing.
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Affiliation(s)
- Paul R Kim
- Division of Orthopedics, The Ottawa Hospital-General Campus, Room W1650, 501 Smyth Road, Ottawa, ON K1H 8L6, Canada.
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36
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Amstutz HC, Le Duff MJ, Campbell PA, Wisk LE, Takamura KM. Complications after metal-on-metal hip resurfacing arthroplasty. Orthop Clin North Am 2011; 42:207-30, viii. [PMID: 21435496 DOI: 10.1016/j.ocl.2010.12.002] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
This article determines the incidence and cause of the complications commonly associated with metal-on-metal hip resurfacing implants and the proposed methods to prevent these complications. The literature available in PubMed was reviewed. Complication rates after hip resurfacing are low, and the procedure has shown both safety and efficacy in the hands of surgeons trained in specialized centers. Proper surgical technique can further reduce the incidence of femoral neck fracture, component loosening, and abnormal wear of the prosthesis. A more systematic detection of adverse local tissue reactions is needed to provide accurate assessments of their prevalence.
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Affiliation(s)
- Harlan C Amstutz
- Joint Replacement Institute at Saint Vincent Medical Center, Los Angeles, CA 90057, USA.
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37
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Wagner P, Olsson H, Lidgren L, Robertsson O, Ranstam J. Increased cancer risks among arthroplasty patients: 30 year follow-up of the Swedish Knee Arthroplasty Register. Eur J Cancer 2011; 47:1061-71. [PMID: 21227681 DOI: 10.1016/j.ejca.2010.11.023] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2010] [Revised: 11/23/2010] [Accepted: 11/24/2010] [Indexed: 12/17/2022]
Abstract
BACKGROUND An increasing number of young patients are undergoing knee arthroplasties. Thus, the long-term risks of having a knee prosthesis must be evaluated. This study focuses on the potential carcinogenic effects of the prosthesis; it is a long-term follow-up of all patients in Sweden between 1975 and 2006. METHODS The incidence of cancer in a total population of operated individuals was compared to the overall national cancer incidence in Sweden by means of standardised incidence ratios. Analysis of cancer latency period was performed to identify potential aetiological factors. RESULTS For male and female patients with rheumatoid arthritis (RA) or osteoarthritis (OA), the overall cancer risks were elevated, ranging from 1.10 (95% confidence interval (CI): 1.03-1.18) for men with OA to 1.26 (1.23-1.29) for men with RA. The greatest increases in risk were observed for the leukaemia subtypes, myelodysplastic syndromes (MDS) and essential thrombocytosis (ET), ranging from 3.31 (1.24-8.83) for ET in men with OA to 7.38 (1.85-29.51) for ET in women with RA. Increases in risk were also observed for breast cancer, prostate cancer and melanoma. The latency analysis revealed elevated risks late in the study period for both solid and haematopoietic cancers. However, only increases in MDS and possibly prostate cancer and melanoma rates appeared to be connected to the operation. CONCLUSION This study showed that OA and RA arthroplasty patients have a significantly higher risk of cancer than the general population. Elevated risks of MDS and possibly prostate cancer and melanoma indicated a potential connection to exposure to metals in the implant. The observed excessive incidence of ET was likely associated with the inflammatory disease.
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Affiliation(s)
- Philippe Wagner
- Institute of Clinical Sciences Lund, Department of Orthopedics, Lund University Hospital, Lund University, Sweden.
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38
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Girard J, Bocquet D, Autissier G, Fouilleron N, Fron D, Migaud H. Metal-on-metal hip arthroplasty in patients thirty years of age or younger. J Bone Joint Surg Am 2010; 92:2419-26. [PMID: 20962192 DOI: 10.2106/jbjs.i.01644] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Total hip arthroplasty in patients younger than thirty years of age represents a long-term challenge. As polyethylene wear secondary to a high activity level could be problematic, hard-on-hard bearings have been proposed to reduce wear. The aim of this retrospective case series was to assess the clinical and radiographic results of primary metal-on-metal total hip arthroplasty in patients thirty years of age or younger. METHODS We retrospectively studied thirty-four patients (forty-seven hips) who had undergone metal-on-metal total hip arthroplasty and analyzed the radiographic and clinical measurements after a mean duration of follow-up of 108 months (range, 62.4 to 153.6 months). The mean age of the patients at the time of surgery was twenty-five years (range, fifteen to thirty years). The diameter of the head of the femoral component was 28 mm in all hips except five, in which it was 32 mm. The metal-on-metal bearing was the same in all patients. RESULTS The mean Merle d'Aubigné score increased from 10.6 (range, 1 to 14) to 17.1 (range, 12 to 18). No wear was found on the latest radiograph, but osteolysis was noted in three femora and two acetabula. Two revisions were performed, one because of impingement secondary to cup malorientation and the other because of acetabular loosening with osteolysis. Kaplan-Meier analysis with revision of either component as the end point revealed a ten-year survival rate of 94.5% (95% confidence interval, 80% to 98.6%). The survival rate of the femoral stem was 100%. CONCLUSIONS These encouraging intermediate-term results indicate that hip arthroplasty with metal-on-metal bearing components may be a suitable solution for young and active patients with hip osteoarthritis or osteonecrosis of the femoral head.
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Affiliation(s)
- Julien Girard
- Orthopaedic Department, Roger Salengro Hospital, Centre Hospitalier Régional Universitaire de Lille, 2 avenue Oscar Lambret, 59037 Lille Cedex, France.
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Abstract
The effects of elevated levels of metal ions in patients who have undergone metal-on-metal total hip arthroplasty are not fully understood. The effects of femoral head size on serum metal-ion levels have been the subject of conflicting reports, and further investigation is needed to evaluate the impact of acetabular and femoral component alignment. The conduct of clinical trials of metal-on-metal total hip arthroplasties has been inadequate as few investigators have used a randomized controlled design to compare metal-on-metal bearings with other bearing surfaces. Additional clinical research needs to include appropriate validated patient-reported outcome measures, activity monitoring, and health economics.
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Affiliation(s)
- Ajay Malviya
- Department of Orthopaedic Surgery, Freeman Hospital, Newcastle on Tyne NE7 7DN, United Kingdom
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40
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Tkaczyk C, Petit A, Antoniou J, Zukor DJ, Tabrizian M, Huk OL. Significance of Elevated Blood Metal Ion Levels in Patients with Metal-on-Metal Prostheses: An Evaluation of Oxidative Stress Markers. Open Orthop J 2010; 4:221-7. [PMID: 21249162 PMCID: PMC3023063 DOI: 10.2174/1874325001004010221] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2010] [Revised: 03/24/2010] [Accepted: 04/10/2010] [Indexed: 11/22/2022] Open
Abstract
It is widely known that cobalt and chromium ions can enhance the production of reactive oxygen species, known to be damaging to cells by disturbing their redox status and then generating oxidative stress. The aim of the present study was to determine if increased metal ion levels induce a state of oxidative stress in patients with metal-on-metal (MM) hip arthroplasty. Results indicated that there was no significant difference in the concentration of oxidative stress markers (total antioxidants, peroxides, and nitrated proteins) in the patients with MM bearings compared to patients without prostheses. The activity antioxidant enzymes was stable (catalase and glutathione peroxidase) or slightly decreased (superoxide dismutase and heme oxygenase-1) over time. This work is the first to determine the biological effects of metal ions released from MM hip implants with regards to mid-term systemic oxidative stress and showed that the increased levels of Co and Cr ions are not associated with significant oxidative stress damage in the plasma of patients with these implants.
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Affiliation(s)
- Cathy Tkaczyk
- Department of Biomedical Engineering, McGill University, Duff Medical Building, 3775 University Street, Montreal, Quebec, H3A 2B4, Canada
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41
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Girard J, Migaud H. Re: Metal on metal: is it worth the risk? J Arthroplasty 2010; 25:661-2; author reply 662. [PMID: 20434871 DOI: 10.1016/j.arth.2010.03.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2010] [Accepted: 03/21/2010] [Indexed: 02/01/2023] Open
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Amanatullah DF, Cheung Y, Di Cesare PE. Hip resurfacing arthroplasty: a review of the evidence for surgical technique, outcome, and complications. Orthop Clin North Am 2010; 41:263-72. [PMID: 20399365 DOI: 10.1016/j.ocl.2010.01.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Hip resurfacing arthroplasty has reemerged as a valid reconstruction option for the osteoarthritic hip. Patient selection is critical for excellent surgical outcomes, especially when compared with total hip arthroplasty. However, concerns regarding surgical technique and postsurgical complications persist. The authors review the evidence for surgical technique, outcomes, and complications related to modern metal-on-metal hip resurfacing arthroplasty.
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Affiliation(s)
- Derek F Amanatullah
- Department of Orthopaedic Surgery, University of California Davis Medical Center, 4860 Y Street, Suite 3800, Sacramento, CA 95817, USA
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43
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44
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Meng Q, Gao L, Liu F, Yang P, Fisher J, Jin Z. Contact mechanics and elastohydrodynamic lubrication in a novel metal-on-metal hip implant with an aspherical bearing surface. J Biomech 2009; 43:849-57. [PMID: 20003978 DOI: 10.1016/j.jbiomech.2009.11.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2009] [Revised: 11/15/2009] [Accepted: 11/16/2009] [Indexed: 12/16/2022]
Abstract
Diameter and diametral clearance of the bearing surfaces of metal-on-metal hip implants and structural supports have been recognised as key factors to reduce the dry contact and hydrodynamic pressures and improve lubrication performance. On the other hand, application of aspherical bearing surfaces can also significantly affect the contact mechanics and lubrication performance by changing the radius of the curvature of a bearing surface and consequently improving the conformity between the head and the cup. In this study, a novel metal-on-metal hip implant employing a specific aspherical bearing surface, Alpharabola, as the acetabular surface was investigated for both contact mechanics and elastohydrodynamic lubrication under steady-state conditions. When compared with conventional spherical bearing surfaces, a more uniform pressure distribution and a thicker lubricant film thickness within the loaded conjunction were predicted for this novel Alpharabola hip implant. The effects of the geometric parameters of this novel acetabular surface on the pressure distribution and lubricant thickness were investigated. A significant increase in the predicted lubricant film thickness and a significant decrease in the dry contact and hydrodynamic pressures were found with appropriate combinations of these geometric parameters, compared with the spherical bearing surface.
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Affiliation(s)
- Qingen Meng
- Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, UK.
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45
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Abstract
BACKGROUND Biologic-reactivity to implant-debris is the primary determinant of long-term clinical performance. The following reviews: 1) the physical aspects of spinal-implant debris and 2) the local and systemic biologic responses to implant debris. METHODS Methods included are: 1) gravimetric wear analysis; 2) SEM and LALLS; 3) metal-ion analysis; 4) ELISA, toxicity testing, patch testing; and 5) metal-lymphocyte transformation testing (metal-LTT). RESULTS Wear and corrosion of spine-implants produce particles and ions. Particles (0.01-1000 μm) are generally submicron ( <1 µm). Wear rates of metal-on-polymer and metal-on-metal disc arthroplasties are approximately 2-20 and 1 mm(3)/yr, respectively. Metal-on-metal total disc replacement components have significant increases in circulating metal (less than 10-fold that of controls at 4 ppb-Co and 3 ppb-Cr or ng/mL). Debris reactivity is local and systemic. Local inflammation is caused primarily by ingestion of debris by local macrophages, which produce pro-inflammatory cytokines TNFα, IL-1β, IL-6, and PGE2. Systemic responses associated with implant-debris have been limited to hypersensitivity reactions. Elevated amounts of in the liver, spleen, etc of patients with failed TJA have not been associated with remote toxicological or carcinogenic pathology to date. Implant debris are differentially bioreactive. Greater numbers are pro-inflammatory; the smaller-sized debris are more bioreactive by virtue of their greater numbers (dose) for a given amount of implant mass loss (one 100-μm-diameter particle is equivalent in mass to 1 million 1-μm-diameter particles). Elongated particles are pro-inflammatory (ie, aspect ratio of greater than 3). Metal particles are more proinflammatory than polymers, ceteris paribus. CONCLUSION Spinal arthroplasty designs have been in use for more than 20 years internationally; therefore, concerns about neuropathology, toxicity, and carcinogenicity are mitigated. Debris-induced inflammation still depends on the individual and the type of debris. The consequence of debris-induced inflammation is continued; vigilance by physicians is recommended monitoring of spinal implants using physical exams and testing of metal content and bioreactivity, as is planning for the likelihood of revision in younger individuals.
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Affiliation(s)
- Nadim James Hallab
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL
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46
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Lützner J, Dinnebier G, Hartmann A, Günther KP, Kirschner S. Study rationale and protocol: prospective randomized comparison of metal ion concentrations in the patient's plasma after implantation of coated and uncoated total knee prostheses. BMC Musculoskelet Disord 2009; 10:128. [PMID: 19828019 PMCID: PMC2766373 DOI: 10.1186/1471-2474-10-128] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2009] [Accepted: 10/14/2009] [Indexed: 11/23/2022] Open
Abstract
Background Any metal placed in a biological environment undergoes corrosion. Thus, with their large metallic surfaces, TKA implants are particularly prone to corrosion with subsequent release of metal ions into the human body which may cause local and systemic toxic effects and hypersensitivity reactions, and increase cancer risk. To address this problem, a new 7-layer zirconium coating developed especially for cobalt-chrome orthopaedic implants was tested biomechanically and found to lower metal ion release. The purpose of the proposed clinical trial is to compare the metal ion concentration in patients' plasma before and after implantation of a coated or uncoated TKA implant. Methods/Design In this randomised controlled trial, 120 patients undergoing primary TKA will be recruited at the Department of Orthopaedic Surgery of the University Hospital in Dresden, Germany, and randomised to either the coated or uncoated prosthesis. Outcome assessments will be conducted preoperatively and at 3 months, 12 months and 5 years postoperatively. The primary clinical endpoint will be the chromium ion concentration in the patient's plasma after 1 and 5 years. Secondary outcomes include cobalt, molybdenum and nickel ion concentrations after 1 and 5 years, allergy testing for hypersensitivity against one of these metals, the Knee Society Score to assess clinical and physical function of the knee joint, the self-assessment Oxford Score and the Short Form 36 quality of live questionnaire. Discussion The metal ion concentration in the patient's plasma has been shown to increase after TKA, its eventual adverse effects being widely debated. In the light of this discussion, ways to reduce metal ion release from orthopaedic implants should be studied in detail. The results of this investigation may lead to a new method to achieve this goal. Trials register Clinicaltrials registry NCT00862511
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Affiliation(s)
- Jörg Lützner
- Department of Orthopaedic Surgery, University Hospital Carl Gustav Carus, Medical Faculty of the Technical University of Dresden, Germany.
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Pluot E, Davis ET, Revell M, Davies AM, James SLJ. Hip arthroplasty. Part 2: normal and abnormal radiographic findings. Clin Radiol 2009; 64:961-71. [PMID: 19748001 DOI: 10.1016/j.crad.2009.05.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2009] [Revised: 05/08/2009] [Accepted: 05/11/2009] [Indexed: 02/07/2023]
Abstract
This review addresses the normal and abnormal radiographic findings that can be encountered during the follow-up of patients with total hip arthroplasty (THA). The relative significance of different patterns of radiolucency, bone sclerosis, and component position is discussed. The normal or pathological significance of these findings is correlated with design, surface, and fixation of the prosthetic components. It is essential to have a good knowledge of expected and unexpected radiological evolution according to the different types of prostheses. This paper emphasizes the importance of serial studies compared with early postoperative radiographs during follow-up in order to report accurately any sign of prosthetic failure and trigger prompt specialist referral. Basic technical guidelines and schedule recommendations for radiological follow-up are summarized.
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Affiliation(s)
- E Pluot
- Department of Radiology, The Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham, UK
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Abstract
The problem of friction couples remains unresolved to this day. Improvements in femoral and acetabulum implant anchorage over the last 20 years have significantly extended total hip replacement (THR) implant lifespan; the formation of wear debris, however, leads to resorption and osteolysis, considerably shortening implant lifespan in active patients. Alumina-alumina friction couples provide an excellent friction coefficient, with wear particles that do not cause any osteolysis. There is, however, a problem of acetabulum anchorage of solid alumina, and the risk of fracture persists with ceramic implants despite improvements in their mechanical properties. Metal-metal couples also display very good tribological behavior, but at the cost of the formation of Co and Cr ions impacting surrounding bone tissue and accumulating in remote organs. The behavior of such "hard-hard" couples greatly depends on implant component positioning and on the consequences of repeated neck-insert contact. Very highly crosslinked polyethylene (PE) shows very significant improvement in terms of wear at five years' follow-up compared to conventional PE, but the behavior of this new concept will need to be monitored in the clinical situation if the disappointments experienced with previous hylamer-type improved PE are to be avoided. All these friction couples need to be validated by prospective clinical studies conducted over more than five years, to provide orthopedic surgeons with an eclectic choice of friction couples adapted to the patient's activity.
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Affiliation(s)
- N Passuti
- Orthopedic and Traumatic Surgery Department, pôle osteoarticulaire, Nantes Teaching Hospital, Hôtel-Dieu, 1, place Alexis-Ricordeau, 44093 Nantes cedex, France.
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2008 John Charnley award: metal ion levels after metal-on-metal total hip arthroplasty: a randomized trial. Clin Orthop Relat Res 2009; 467:101-11. [PMID: 18855089 PMCID: PMC2600985 DOI: 10.1007/s11999-008-0540-9] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2008] [Accepted: 09/10/2008] [Indexed: 01/31/2023]
Abstract
UNLABELLED Metal-on-metal bearing total hip arthroplasty is performed more commonly than in the past. There may be manufacturing differences such as clearance, roughness, metallurgy, and head size that affect performance. In a prospective, randomized trial, we compared 2-year postoperative ion levels for a 28-mm metal-on-polyethylene bearing with 28-mm and 36-mm metal-on-metal bearings. We measured serum, erythrocyte, and urine ion levels. We observed no difference in the ion levels for the 28-mm and 36-mm metal-on-metal bearings. The ion levels in these patients were lower than reported for most other metal-on-metal bearings. Although both erythrocyte and serum cobalt increased, erythrocyte chromium and erythrocyte titanium did not increase despite a four- to sixfold serum chromium and a three- to fourfold serum titanium increase. This may represent a threshold level for serum chromium and serum titanium below which erythrocytes are not affected. LEVEL OF EVIDENCE Level I, therapeutic study. See the Guidelines for Authors for a complete description of levels of evidence.
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Patton MS, Lyon TDB, Ashcroft GP. Levels of systemic metal ions in patients with intramedullary nails. Acta Orthop 2008; 79:820-5. [PMID: 19085501 DOI: 10.1080/17453670810016911] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND It is being increasingly recognized that orthopedic implants are associated with adverse tissue responses, mediated by degradation products. Recent interest has been focused on the production of metal ions from hip arthroplasty. Few studies have reviewed fracture fixation devices and their metal ion production. METHODS 61 subjects were enlisted into the study, with 3 subgroups. 21 subjects had Russell-Taylor intramedullary tibial nails in situ for 26 (21-32) months (316LVm stainless steel), 20 subjects had TriGen intramedullary tibial nails in situ for 43 (35-51) months (Ti-6Al-4V titanium alloy), and the remaining 20 subjects did not have any implant in situ and served as controls. Blood samples were taken and serum chromium, molybdenum, titanium, aluminium, and vanadium concentrations were measured using inductively coupled plasma (ICP) techniques. RESULTS The 3 groups were matched for age, sex, and BMI. The subjects with Russell-Taylor nails had elevated levels of chromium (0.10 microg/L) with median concentrations 2.5 times higher than those of the control group. The subjects with TriGen nails had less significantly elevated levels of titanium (6.5 microg/L). INTERPRETATION Stainless steel implants show significant differences from titanium implants in the dissemination of metal ions. Although the levels of chromium were elevated, the overall levels were modest when compared to published data regarding metal ion release and hip arthroplasty. Intramedullary nails are, however, often used in younger patients. If not removed, they may result in prolonged exposure to metal ions.
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Affiliation(s)
- Michael S Patton
- Department of Orthopaedic Surgery, University of Aberdeen, Aberdeen.
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