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Ben Braham M, Trunfio-Sfarghiu AM, Brizuela L, Mebarek S, Essefi I, Geringer J, Berthier Y, Hamza S. Nano/micro implant debris affect osteogenesis by chondrocytes: Comparison between ceramic and UHMWPE from hip walking simulator. J Biomed Mater Res B Appl Biomater 2021; 110:338-349. [PMID: 34289232 DOI: 10.1002/jbm.b.34910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 05/07/2021] [Accepted: 07/08/2021] [Indexed: 11/05/2022]
Abstract
A new generation of ceramic on ceramic (BIOLOX ®delta) bearings has emerged more than 10 years ago proving a high resistance to wear and good clinical results. However, biological reactions to wear debris, particularly the nanoparticles, need to be evaluated. The first originality of this study is to start from real wear particles obtained by the hip walking simulator (CERsim). These particles were compared with particles obtained by usual methods to assess the biocompatibility of materials: press machine (CERpress). Two ranges of ceramic particles were thus observed: ceramic particles with micron (intergranular fractures) and nano sizes (intragranular fractures), and characterized compared to ultra-high molecular weight polyethylene (UHMWPE). The second originality of this work is to assess the cellular reaction using the primary joint chondrocyte cultures simulating the osteogenesis process and not the cell lines, which are used to simulate the biological reaction of osteolysis. The first results showed a significant difference in cell viability between the cells in contact with particles from the walking simulator and those obtained with the press machine. On the other hand, it was found that the way of extraction of the particles from the lubricant could significantly affect the biological reaction. More interestingly, nano-sized ceramic particles showed a significant impact on the secretion of functional inflammatory mediators, agreeing with recent results in vivo. These novel methods of characterizing the osteogenic impact of UHMWPE and ceramic wear debris can complement the conventional expertise method focusing previously on the osteolysis aspect.
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Affiliation(s)
- Marwa Ben Braham
- Univ Lyon, INSA-Lyon, CNRS UMR5259, LaMCoS, Villeurbanne, France.,University of Tunis El Manar, National Engineering School of Tunis, Tunis, Tunisia.,University of Carthage, National Institute of Applied Sciences and Technology, UR17ES22, Tunis, Tunisia
| | | | - Leyre Brizuela
- University of Lyon 1, Institute of Molecular and Supramolecular Chemistry and Biochemistry (ICBMS), UMR CNRS 5246, Villeurbanne, France
| | - Saida Mebarek
- University of Lyon 1, Institute of Molecular and Supramolecular Chemistry and Biochemistry (ICBMS), UMR CNRS 5246, Villeurbanne, France
| | - Ines Essefi
- Univ Lyon, INSA-Lyon, CNRS UMR5259, LaMCoS, Villeurbanne, France
| | - Jean Geringer
- Mines Saint-Etienne, Center for Health and Engineering, Inserm U1059, Saint-Etienne, France
| | - Yves Berthier
- Univ Lyon, INSA-Lyon, CNRS UMR5259, LaMCoS, Villeurbanne, France
| | - Samir Hamza
- University of Carthage, National Institute of Applied Sciences and Technology, UR17ES22, Tunis, Tunisia
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Eichler D, Barry J, Lavigne M, Massé V, Vendittoli PA. No radiological and biological sign of trunnionosis with Large Diameter Head Ceramic Bearing Total Hip Arthroplasty after 5 years. Orthop Traumatol Surg Res 2021; 107:102543. [PMID: 32276843 DOI: 10.1016/j.otsr.2019.12.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 12/18/2019] [Accepted: 12/23/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Trunnionosis of large diameter (LDH) metal-on-metal total hip arthroplasty (THA) was linked to high systemic chromium (Cr) and cobalt (Co) ion levels and local adverse reactions to metal debris (ARMD). The safety of CoC LDH THA is not yet available at mid-term. Measuring whole blood Ti level of ceramic on ceramic (CoC) LDH THA with a titanium (Ti) stem is an indirect way to assess the performance of its head-neck taper modular junction. Therefore, we wanted to determine: (1) if the whole blood Ti ion levels in patients with LDH CoC THA after a minimum of 5 years of implantation is within the expected values for similar well performing Ti THA, (2) if Ti level scientifically increases over time, which would suggest the presence of a progressive modular head/neck junction wear process, (3) if clinical or radiographical manifestations of implant dysfunction are present? HYPOTHESIS Ti blood levels of LDH CoC THA will indirectly reflect the expected levels due to passive corrosion of the implants and will be stable over time. PATIENTS AND METHODS We report the whole blood Ti, Cr, and Co levels at 5years minimum for 57 patients with unilateral primary LDH CoC THA with head sizes ranging from 36 to 48mm using Ti stem and acetabular component. To compare Ti ion levels modification over time, in 25 patients were a previous measurement (1-3years) was available, we compared it to their last follow-up results (>5 years). Mean Ti level in well performing Ti THAs is recognized to be around 2.0 ug/L. Although, there are no universally accepted Ti levels associated with problematic implant, we used safety threshold of 10 ug/L. Clinical and radiological outcomes were recorded at last follow-up. RESULTS At 79 months mean follow-up, all mean Ti levels were 1.9μg/L (min 1.2, max 4.4) and all subject had values below the safety threshold of 10ug/L. In the subgroup of 25 cases with a previous measurement, there was a decrease in mean Ti levels between 20 months and 78 months follow-up (2.2μg/L (1.6-3.9) versus 2.0μg/L (1.4-2.8), p=0.007). No statistically significant relation was observed between Ti level at last FU and bearing diameter (rho=0.046, p=0.0734) or the presence or absence of a Ti adaptor sleeve (p=0.454): 1.94ug/L (min 1.20, max 2.80) versus 1.90ug/L (min 1.20, max 4.40). At last follow up, no patients presented osteolysis signs on radiographs, clinical signs of ARMD or were reoperated. Most patients had excellent clinical with 98% of them reporting minor (29%) or no functional limitation (69%) and 44% perceive their THA as a natural hip joint. However, 3/57patients (5%) temporarily experienced hip squeaking and 18/57 (31%) reported clicking sound. CONCLUSION With the tested LDH CoC THA, Ti levels were low and related the uneventful and unavoidable passive corrosion of implant surfaces. Mid-term measurement of Ti in subjects with LDH CoC did not reveal any indirect signs of trunnionosis, which should already be observable by this time. LEVEL OF EVIDENCE IV, retrospective study.
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Affiliation(s)
- David Eichler
- Université de Montréal, Hôpital Maisonneuve-Rosemont, Department of Surgery, 5415, boulevard de l'Assomption, Montréal, QC H1T2M4, Canada
| | - Janie Barry
- Université de Montréal, Hôpital Maisonneuve-Rosemont, Department of Surgery, 5415, boulevard de l'Assomption, Montréal, QC H1T2M4, Canada
| | - Martin Lavigne
- Université de Montréal, Hôpital Maisonneuve-Rosemont, Department of Surgery, 5415, boulevard de l'Assomption, Montréal, QC H1T2M4, Canada
| | - Vincent Massé
- Université de Montréal, Hôpital Maisonneuve-Rosemont, Department of Surgery, 5415, boulevard de l'Assomption, Montréal, QC H1T2M4, Canada
| | - Pascal-André Vendittoli
- Université de Montréal, Hôpital Maisonneuve-Rosemont, Department of Surgery, 5415, boulevard de l'Assomption, Montréal, QC H1T2M4, Canada.
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Tarpada SP, Loloi J, Schwechter EM. A Case of Titanium Pseudotumor and Systemic Toxicity After Total Hip Arthroplasty Polyethylene Failure. Arthroplast Today 2020; 6:710-715. [PMID: 32923555 PMCID: PMC7475049 DOI: 10.1016/j.artd.2020.07.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 06/26/2020] [Accepted: 07/21/2020] [Indexed: 12/28/2022] Open
Abstract
We describe the case of a 57-year-old female who underwent bilateral ceramic-on-polyethylene total hip arthroplasties performed in 2015. She presented to us in 2018 with headaches, fatigue, and right hip pain 5 months after an atraumatic right polyethylene liner failure for which she did not seek treatment. She was found to have imaging consistent with an adverse local tissue reaction and massive pseudotumor formation. During revision surgery, fracture of the acetabular liner was noted, with ceramic head wear through the titanium cup. In the months after her debridement and prosthesis revision, the patient continued to complain of systemic symptoms including weakness, fatigue, headaches, and vision problems. Serum titanium levels were found to be 100 times higher than normal. This case serves as a rarely reported example of titanium toxicity and titanium pseudotumor formation in the setting of polyethylene failure.
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Affiliation(s)
- Sandip P Tarpada
- Department of Orthopaedic Surgery, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA
| | - Jeremy Loloi
- Department of Orthopaedic Surgery, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA
| | - Evan M Schwechter
- Department of Orthopaedic Surgery, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, USA
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Biological Monitoring of Metal Ions Released from Hip Prostheses. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17093223. [PMID: 32384733 PMCID: PMC7246585 DOI: 10.3390/ijerph17093223] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/24/2020] [Accepted: 05/04/2020] [Indexed: 01/06/2023]
Abstract
The aim of this study was to evaluate the levels of As, Be, Bi, Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, Se, Tl, V, and Zn, by inductively coupled plasma-mass spectrometry (ICP-MS) in the urine of two groups of patients with two different types of metal-on-metal (MoM) total hip prostheses (ASR DePuy®, group A, 25 patients; total Met-Met System Lima®, group B, 28 patients). The determination of metals reflected a steady-state release (group A: 9 years after surgery and group B: 6 years after surgery). The results obtained confirmed the increase of Co and Cr urinary levels in both group when compared with the reference values for the general population adopted by the Italian Society of Reference Values (SIVR). In particular, Co and Cr levels exceeded the threshold values in urine, respectively, of 30 μg and 21 µg, adjusted to creatinine based on the threshold in whole blood of 7 μg/L proposed by the Medicines and Healthcare Products Regulatory Agency (MHRA). Regarding the other investigated metals, significantly higher values were found in Group A than in Group B. These differences could be due to the type of hip prosthesis implanted, the longer period of time since the implantation, as well as many other factors such as diet, age, drug consumption, physical activity, or presence of dental fillings. The continuous monitoring over the years of metal concentrations in patients carrying a prosthesis could be useful to better identify the sources of these metals.
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Pan Y, Lin Y, Jiang L, Lin H, Xu C, Lin D, Cheng H. Removal of dental alloys and titanium attenuates trace metals and biological effects on liver and kidney. CHEMOSPHERE 2020; 243:125205. [PMID: 31726262 DOI: 10.1016/j.chemosphere.2019.125205] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 10/22/2019] [Accepted: 10/23/2019] [Indexed: 06/10/2023]
Abstract
To determine whether the potential effects on liver and kidney caused by dental alloys could be reduced or terminated by the removal of nickel-chromium (Ni-Cr) alloy, cobalt-chromium (Co-Cr) alloy, and commercially pure titanium (CP-Ti), they were placed in the cheek pouches of Syrian hamsters according to ISO 10993-10. Then, the peak/plateau and end times of trace metals in the blood were determined with or without the removal of the dental alloys. Based on these time points, the trace metals and their effects on liver and kidney were examined. We found that trace metals released from these dental alloys and titanium were accumulated transiently in the blood, liver, and kidney but had no effect on the histopathology of the liver or kidney. Although the functions of the liver and kidney were compromised, the function of these tissues seemed to be clinically acceptable compared to those in control Syrian hamsters. In addition, the apoptotic effect on renal cells was terminated by removing the Ni-Cr and Co-Cr alloys, and that on hepatocytes was also eliminated by removing the Ni-Cr alloy. In contrast, the effect of the Co-Cr alloy on hepatocytes was temporary and recovered by itself. Taken together, Ni- and Co-based dental alloys and titanium have no effect on the histopathology or function of liver and kidney. Moreover, Ni-Cr and Co-Cr alloys induce transient trace metal accumulation and apoptotic effects in liver and kidney, which can be reduced or terminated by the removal of the alloys, while CP-Ti shows favorable biocompatibility.
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Affiliation(s)
- Yu Pan
- Institute of Stomatology & Research Center of Dental Esthetics and Biomechanics, School and Hospital of Stomatology, Fujian Medical University, 246 Yangqiao Zhong Road, Fuzhou, Fujian, 350002, PR China
| | - Yunzhi Lin
- Fujian Key Laboratory of Oral Diseases, Fujian Provincial Engineering Research Center of Oral Biomaterial, Stomatological Key Lab of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, 246 Yangqiao Zhong Road, Fuzhou, Fujian, 350002, PR China
| | - Lei Jiang
- Institute of Stomatology & Research Center of Dental Esthetics and Biomechanics, School and Hospital of Stomatology, Fujian Medical University, 246 Yangqiao Zhong Road, Fuzhou, Fujian, 350002, PR China
| | - Honglei Lin
- Institute of Stomatology & Research Center of Dental Esthetics and Biomechanics, School and Hospital of Stomatology, Fujian Medical University, 246 Yangqiao Zhong Road, Fuzhou, Fujian, 350002, PR China
| | - Caiming Xu
- Inspection and Quarantine Technology Center, Fujian Entry-Exit Inspection and Quarantine Bureau, 312 Hudong Road, Fuzhou, Fujian, 350003, PR China
| | - Donghong Lin
- Department of Clinical Laboratory, School of Medical Technology and Engineering, Fujian Medical University, 88 Jiaotong Road, Fuzhou, Fujian, 350004, PR China
| | - Hui Cheng
- Institute of Stomatology & Research Center of Dental Esthetics and Biomechanics, School and Hospital of Stomatology, Fujian Medical University, 246 Yangqiao Zhong Road, Fuzhou, Fujian, 350002, PR China.
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Swiatkowska I, Martin NG, Henckel J, Apthorp H, Hamshere J, Hart AJ. Blood and plasma titanium levels associated with well-functioning hip implants. J Trace Elem Med Biol 2020; 57:9-17. [PMID: 31546210 DOI: 10.1016/j.jtemb.2019.09.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 08/28/2019] [Accepted: 09/13/2019] [Indexed: 01/13/2023]
Abstract
BACKGROUND Hip implants are usually manufactured from cobalt-chromium and titanium alloys. As the implants wear and corrode, metal debris is released into the surrounding tissue and blood, providing a potential biomarker for their function. Whilst there are laboratory reference levels for blood cobalt and chromium in patients with well and poorly functioning hip implants, there are no such guidelines for titanium. This is despite the increasing use of titanium implants worldwide. PATIENTS AND METHODS We recruited a consecutive series of 95 patients (mean age 71 years, mean time after surgery 8.5 years) with one hip implant type, inserted by the same surgeon. We assessed clinical and radiological outcome, and measured blood and plasma titanium using high resolution inductively-coupled plasma mass spectrometry. RESULTS The upper normal reference limit for blood and plasma titanium was 2.20 and 2.56 μg L-1, respectively, and did not differ significantly between males and females. CONCLUSION We are the first to propose a laboratory reference level for blood and plasma titanium in patients with well-functioning titanium hip implants. This is an essential starting point for further studies to explore the clinical usefulness of blood titanium as a biomarker of orthopaedic implant performance, and comes at a time of considerable controversy regarding the use of certain titanium alloys in hip arthroplasty.
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Affiliation(s)
- Ilona Swiatkowska
- Institute of Orthopaedics and Musculoskeletal Science, University College London, HA7 4LP Stanmore, UK.
| | - Nicholas G Martin
- Trace Element Laboratory, North West London Pathology, Charing Cross Hospital, W6 8RF London, UK
| | - Johann Henckel
- Royal National Orthopaedic Hospital, Stanmore, HA7 4LP Stanmore, UK
| | | | | | - Alister J Hart
- Institute of Orthopaedics and Musculoskeletal Science, University College London, HA7 4LP Stanmore, UK; Royal National Orthopaedic Hospital, Stanmore, HA7 4LP Stanmore, UK
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Fernández Bances I, Paz Aparicio J, Alvarez Vega MA. Evaluation of Titanium Serum Levels in Patients After Spine Instrumentation: Comparison Between Posterolateral and 360º Spinal Fusion Surgery. Cureus 2019; 11:e5451. [PMID: 31511816 PMCID: PMC6716769 DOI: 10.7759/cureus.5451] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Introduction The use of orthopedic implants is a cause for concern for the release of its integrating metals and the systemic complications that may occur. Instrumented spine arthrodesis is the recommended treatment for many spine diseases. Different segmental fixation devices, commonly made of titanium and its alloys, are used in these surgeries. The use of this metal for spinal fusion has introduced the possibility of generating microscopic metal particles that are present in the tissues of the surrounding implants (peri-implant environment). In fact, metal debris has been found in the paraspinal soft tissues of patients with posterior lumbar instrumentation and showed to be particularly high in patients undergoing revision procedures of pseudoarthrosis. In addition, part of the metals might also dissolve (either from the released particles or directly from the implant surface) and circulate in the body fluids, accumulating (eventually) in remote organs. Material and methods A prospective study was designed with patients who were to be operated by the pathology of the lumbar spine to perform a vertebral arthrodesis composed of a titanium alloy (n=32). Two subgroups were differentiated according to the type of surgery performed: a) Posterolateral arthrodesis (N=5); b) Circumferential arthrodesis intervertebral implant of polyester-ether ketone (PEEK) (N=8) or titanium (N=19). The blood sample was taken before surgery and one year later. The samples were analyzed by mass spectrophotometry with a double focus inductive coupling plasma source (DF-ICP-MS). Results Blood titanium levels prior to surgery were similar to those in other publications (0.7449 micrograms per liter-1 (µgL-1), Standard Deviation (SD)=0.562). The average titanium concentration levels found after surgery was 2.5406 µgL-1 (SD=3,69), near 3.5-fold increase. After surgery, there was a significant mean increase in serum titanium levels of 1.7957 µgL-1 (SD=3.5765, Range=-0.57 µgL-1; 14.60 µgL-1). There is a statistically significant increment (p=0.00049) of the titanium concentration in the serum of the patients after surgery. If we analyze the patients in three groups according to the type of implants used (posterolateral, circumferential with PEEK, and circumferential with titanium), there are no differences between those who did not have an intersomatic device implanted and those in which PEEK implants were implanted, but with those in which it was titanium it was p=0.006 and p=0.018, respectively. Conclusions Patients undergoing vertebral instrumentation experience a significant increase in serum titanium levels compared to before surgery levels. The use of an intersomatic device did not show differences in titanium release with not using it when it was PEEK. There are significant differences between patients without intersomatic implants or those who had a PEEK implant with those in whom it was titanium, with a significant increase in blood titanium levels.
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Affiliation(s)
| | - José Paz Aparicio
- Spine Unit, Orthopedic Surgery and Traumatology Department, University Central Hospital of Asturias, Oviedo, ESP
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Hsu CW, Weng CH, Lee CC, Yen TH, Huang WH. Association of serum chromium levels with malnutrition in hemodialysis patients. BMC Nephrol 2019; 20:302. [PMID: 31382911 PMCID: PMC6683568 DOI: 10.1186/s12882-019-1476-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 07/19/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Chromium is an essential trace metal that reduces oxidative stress and inflammation. In patients undergoing maintenance hemodialysis (MHD), a correlation among chromium exposure, inflammation, and malnutrition remains unclear. This study examined the possible effects of serum chromium levels (SCLs) in MHD patients. METHODS Initially, 732 MHD patients in dialysis centers were recruited. A total of 647 patients met the inclusion criteria and were stratified by SCL into four equal-sized groups: first quartile (< 0.29 μg/L), second quartile (0.29-0.56 μg/L), third quartile (0.57-1.06 μg/L), and fourth quartile (> 1.06 μg/L). Demographic, biochemical, and dialysis-related data were obtained for analyses. The analysis included nutritional and inflammatory markers. RESULTS As compared with the highest quartile group, more subjects in the lowest quartile group were of an older age; had lower hemoglobin and creatinine levels; had a higher prevalence of DM and malnutrition (serum albumin level < 3.6 g/dL); and higher serum transferrin saturation and ferritin levels. A stepwise multiple linear regression analysis revealed a significant negative correlation between malnutrition and SCL (β coefficient = - 0.129, p = 0.012) and negative associations among body mass index (β coefficient = - 0.010, p = 0.041), ferritin (β coefficient = - 0.107, p = 0.001) and SCL. A multivariate logistic regression analysis also demonstrated a negative correlation between malnutrition and SCL. With a 10-fold increase in SCL, the risk ratio of malnutrition was 0.49 (95% confidence interval: 0.25-0.96; p = 0.039). CONCLUSIONS SCL is significantly associated with malnutrition in MHD patients. Further evaluation of the relationship between clinical outcomes (morbidity/mortality) and SCL is necessitated.
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Affiliation(s)
- Ching-Wei Hsu
- Department of Nephrology and Clinical Poison Center, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan.,Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Cheng-Hao Weng
- Department of Nephrology and Clinical Poison Center, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan.,Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Cheng-Chia Lee
- Department of Nephrology and Clinical Poison Center, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan.,Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Tzung-Hai Yen
- Department of Nephrology and Clinical Poison Center, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan.,Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Wen-Hung Huang
- Department of Nephrology and Clinical Poison Center, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. .,Chang Gung University College of Medicine, Taoyuan, Taiwan. .,Department of Nephrology and Clinical Poison Center, Chang Gung Memorial Hospital, 199, Tung-Hwa North Road, Taipei, Taiwan, Republic of China.
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Swiatkowska I, Martin N, Hart AJ. Blood titanium level as a biomarker of orthopaedic implant wear. J Trace Elem Med Biol 2019; 53:120-128. [PMID: 30910194 DOI: 10.1016/j.jtemb.2019.02.013] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 02/18/2019] [Accepted: 02/27/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Joint replacement implants are usually manufactured from cobalt-chromium or titanium alloys. After the device is implanted, wear and corrosion generate metal particles and ions, which are released into local tissue and blood. The metal debris can cause a range of adverse local and systemic effects in patients. RESEARCH PROBLEM In the case of cobalt and chromium, a blood level exceeding 7 μg L-1 indicates potential for local toxicity, and a failing implant. It has been repeatedly suggested in the literature that measurement of titanium could also be used to assess implant function. Despite an increasing interest in this biomarker, and growing use of titanium in orthopaedics, it is unclear what blood concentrations should raise concerns. This is partly due to the technical challenges involved in the measurement of titanium in biological samples. AIM This Review summarises blood/serum titanium levels associated with well-functioning and malfunctioning prostheses, so that the prospects of using titanium measurements to gain insights into implant performance can be evaluated. CONCLUSION Due to inter-laboratory analytical differences, reliable conclusions regarding "normal" and "abnormal" titanium levels in patients with orthopaedic implants are difficult to draw. Diagnosis of symptomatic patients should be based on radiographic evidence combined with blood/serum metal levels.
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Affiliation(s)
- Ilona Swiatkowska
- Institute of Orthopaedics and Musculoskeletal Science, University College London, HA7 4LP, Stanmore, UK.
| | - Nicholas Martin
- Trace Element Laboratory, Clinical Biochemistry, Charing Cross Hospital, W6 8RF, London, UK
| | - Alister J Hart
- Institute of Orthopaedics and Musculoskeletal Science, University College London, HA7 4LP, Stanmore, UK; Royal National Orthopaedic Hospital, Stanmore, HA7 4LP, UK
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Abstract
INTRODUCTION Metal ion release from wear and corrosion at the femoral head-stem taper junction can evoke local adverse reactions to metal debris (ARMD). In a specific large-diameter head (LDH) total hip arthroplasty (THA) system, ceramic femoral heads of 44 to 48 mm are available with a titanium (Ti) adaptor sleeve, while heads of 36- to 40-mm come without sleeves. The hypothesis of this study is that the Ti adaptor sleeve with LDH ceramic-on-ceramic (CoC) bearings will not cause wear or corrosion at the taper junction and, thus, will not generate high whole blood Ti ion levels. METHODS We compared whole blood Ti levels at minimum 1-year follow-up in 27 patients with unilateral primary LDH CoC THA with head sizes ranging from 36 to 48 mm using a Ti stem and acetabular component. RESULTS Although Ti ion levels in patients with 36- to 40-mm head diameters without Ti sleeve were found to be statistically significantly higher (2.3 μg/l: 1.6-3.1, SD 0.44) compared to those with a Ti sleeve (1.9 μg/l: 1.6-2.2, SD 0.19) (p = 0.020), the found difference has no clinical importance. No patients presented clinical signs of ARMD, and the clinical results in both groups were similar. CONCLUSIONS LDH CoC THA Ti levels were low and probably related to unavoidable passive corrosion of implant surfaces. Measurement of Ti in subjects with ceramic LDH, with or without Ti adaptor sleeve, did not disclose undirected signs of trunnionosis.
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Barry J, Kiss MO, Massé V, Lavigne M, Matta J, Vendittoli PA. Effect of Femoral Stem Modular Neck's Material on Metal Ion Release. Open Orthop J 2017; 11:1337-1344. [PMID: 29290872 PMCID: PMC5721328 DOI: 10.2174/1874325001711011337] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 11/11/2017] [Accepted: 11/16/2017] [Indexed: 11/22/2022] Open
Abstract
Background: In recent decades, the popularity of modular necks in total hip arthroplasty (THA) has increased since modular necks offer the potential to restore the patient’s native anatomy, and thus improve stability. Unfortunately, modular necks are associated with higher complication rates, including implant fracture and modular junction corrosion with adverse local tissue reaction to metal debris. Objective: The objective of this study was to determine the impact of modular neck material on titanium (Ti), chrome (Cr), and cobalt (Co) metal ion levels in patients who underwent a THA with Ti femoral stem, Ti or CrCo modular neck, and ceramic-on-ceramic (CoC) bearing. Methods: Whole blood Ti, Cr, and Co levels were compared at a minimum 1-year follow-up in 36 patients who underwent unilateral, primary CoC large-diameter head THA with Profemur® Preserve modular femoral stems (MicroPort, Arlington, TX, USA). Results: Higher Co concentrations were observed in the CrCo modular neck group (0.46 versus 0.26 µg/l in the Ti neck group, P=0.004) and higher Ti concentrations were observed in the Ti modular neck group (1.98 vs 1.59 µg/l in the CrCo neck group, P=0.007). However, these differences were not clinically meaningful since the absolute values remained within what is considered the safe range of Ti, Cr, and Co ions in whole blood. No patients were re-operated or revised. Conclusion: Modular neck materials had an impact on whole blood metal ion levels but the concentrations measured remained within the safe range at 1-year follow-up. There were no indirect signs of modular junction corrosion with either CrCo or Ti femoral necks.
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Affiliation(s)
- Janie Barry
- Hôpital Maisonneuve-Rosemont, Université de Montréal, 5415 Boulevard de l'Assomption, Montreal, Canada
| | - Marc-Olivier Kiss
- Hôpital Maisonneuve-Rosemont, Université de Montréal, 5415 Boulevard de l'Assomption, Montreal, Canada
| | - Vincent Massé
- Hôpital Maisonneuve-Rosemont, Université de Montréal, 5415 Boulevard de l'Assomption, Montreal, Canada
| | - Martin Lavigne
- Hôpital Maisonneuve-Rosemont, Université de Montréal, 5415 Boulevard de l'Assomption, Montreal, Canada
| | - Jihad Matta
- Hôpital Maisonneuve-Rosemont, Université de Montréal, 5415 Boulevard de l'Assomption, Montreal, Canada
| | - Pascal-Andre Vendittoli
- Hôpital Maisonneuve-Rosemont, Université de Montréal, 5415 Boulevard de l'Assomption, Montreal, Canada
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Ion release in ceramic bearings for total hip replacement: Results from an in vitro and an in vivo study. INTERNATIONAL ORTHOPAEDICS 2017; 42:65-70. [PMID: 28725970 DOI: 10.1007/s00264-017-3568-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Accepted: 06/30/2017] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Literature on the potential release of trace elements following implantation of Zirconia-platelet toughened alumina (ZPTA) ceramic components is scant. The present study therefore analysed the in vitro and in vivo potential release of ions from ZPTA bearings. MATERIAL AND METHODS An in vitro and in vivo study was conducted. The in vitro study compared leaching in bovine serum from two groups: ZPTA ceramic heads and Co-28Cr-6Mo alloy heads, both 28-mm diameter. A third group without implant served as reference group. An in vivo clinical study compared trace elements in the whole blood of patients with 36-mm diameter ZPTA ceramic-on-ceramic articulation after three and 12 months. A cohort of subjects without any prosthesis was used as control group. The release of ions was determined by high resolution-inductively coupled plasma-mass spectrometry. RESULTS In the in vitro experiment, significant differences (p ≤ 0.01) in trace element release for chromium, cobalt and molybdenum were found, with increased levels of ion release in the Co-28Cr-6Mo metal group. The very low detection limit for yttrium allowed detection of a small yttrium release from the ZPTA heads, which was not confirmed by the in vivo study. No significant difference between the groups was found for strontium, aluminium, and zirconium. In the in vivo study, no relevant differences in ion levels between the reference group without any implant and the study group were found at the three and 12-month follow-up. CONCLUSION This study supports that ZPTA ceramic articulation components are safe in terms of ion release, and may be an excellent alternative to bearings based on Co-28Cr-6Mo alloys.
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A 5-year survival analysis of 160 Biomet Magnum M2 metal-on-metal total hip prostheses. Hip Int 2017; 26:50-6. [PMID: 26541184 DOI: 10.5301/hipint.5000293] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/15/2015] [Indexed: 02/04/2023]
Abstract
BACKGROUND Large-head metal-on-metal (MoM) total hip arthroplasties (THA) are associated with high failure rates and possible pseudotumour formation. This study reports the first results of 160 Biomet Magnum M2 large-head MoM total hip articulations. PATIENTS AND METHODS From 2006 to 2010 the Reinier de Graaf Hospital implanted 160 large-head Magnum M2 MoM THAs (Biomet Inc. Warsaw, Indiana, USA) in 150 patients. These patients were recalled after a warning from the Dutch Orthopaedic Association. Patients were offered a clinical and radiographic assessment of the hip prosthesis, serum control on cobalt and chromium ions, and an ultrasound of the hip. If indicated, additional MARS-MRI or CT scan was performed. Descriptive statistical analysis, correlations, t-tests, non-parametric tests and implant survival were calculated. RESULTS The mean follow-up was 6.1 years (4.8-8.4). A cumulative survival rate of 93.1% (95% CI: 88.3-98%) was found after 5 years. Reasons for revision were loosening, pain, infection and pseudotumour formation. The prevalence of pseudotumour formation around the prostheses was 8.75%. CONCLUSIONS This study reports the first results of 160 MoM THAs implanted in our clinic from 2006-2010. In total, 13 (8.1%) of the THAs were eligible for revision after the recall. In most patients the reason for revision was pseudotumour formation. A total of 14 (8.75%) pseudotumours were diagnosed at the first recall. These results show that a comprehensive follow-up strategy is essential for MoM THAs to promptly identify and manage early complications.
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Fage SW, Muris J, Jakobsen SS, Thyssen JP. Titanium: a review on exposure, release, penetration, allergy, epidemiology, and clinical reactivity. Contact Dermatitis 2016; 74:323-45. [PMID: 27027398 DOI: 10.1111/cod.12565] [Citation(s) in RCA: 131] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2015] [Revised: 02/07/2016] [Accepted: 02/08/2016] [Indexed: 11/29/2022]
Abstract
Exposure to titanium (Ti) from implants and from personal care products as nanoparticles (NPs) is common. This article reviews exposure sources, ion release, skin penetration, allergenic effects, and diagnostic possibilities. We conclude that human exposure to Ti mainly derives from dental and medical implants, personal care products, and foods. Despite being considered to be highly biocompatible relative to other metals, Ti is released in the presence of biological fluids and tissue, especially under certain circumstances, which seem to be more likely with regard to dental implants. Although most of the studies reviewed have important limitations, Ti seems not to penetrate a competent skin barrier, either as pure Ti, alloy, or as Ti oxide NPs. However, there are some indications of Ti penetration through the oral mucosa. We conclude that patch testing with the available Ti preparations for detection of type IV hypersensitivity is currently inadequate for Ti. Although several other methods for contact allergy detection have been suggested, including lymphocyte stimulation tests, none has yet been generally accepted, and the diagnosis of Ti allergy is therefore still based primarily on clinical evaluation. Reports on clinical allergy and adverse events have rarely been published. Whether this is because of unawareness of possible adverse reactions to this specific metal, difficulties in detection methods, or the metal actually being relatively safe to use, is still unresolved.
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Affiliation(s)
- Simon W Fage
- Department of Dermato-Venereology, Aarhus University Hospital, 8000 Aarhus, Denmark
| | - Joris Muris
- Department of Dental Materials Science, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Gustav Mahlerlaan 3004, 1081 LA, Amsterdam, The Netherlands
| | - Stig S Jakobsen
- Department of Orthopaedic Surgery, Aarhus University Hospital, 8000 Aarhus, Denmark
| | - Jacob P Thyssen
- National Allergy Research Centre, Department of Dermato-Allergology, Copenhagen University Hospital Herlev-Gentofte, 2900 Hellerup, Denmark
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Chappard D, Bizot P, Mabilleau G, Hubert L. Aluminum and bone: Review of new clinical circumstances associated with Al(3+) deposition in the calcified matrix of bone. Morphologie 2016; 100:95-105. [PMID: 26762722 DOI: 10.1016/j.morpho.2015.12.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 12/01/2015] [Accepted: 12/07/2015] [Indexed: 11/26/2022]
Abstract
Several decades ago, aluminum encephalopathy associated with osteomalacia has been recognized as the major complication of chronic renal failure in dialyzed patients. Removal of aluminum from the dialysate has led to a disappearance of the disease. However, aluminum deposit occurs in the hydroxyapatite of the bone matrix in some clinical circumstances that are presented in this review. We have encountered aluminum in bone in patients with an increased intestinal permeability (coeliac disease), or in the case of prolonged administration of aluminum anti-acid drugs. A colocalisation of aluminum with iron was also noted in cases of hemochromatosis and sickle cell anemia. Aluminium was also identified in a series of patients with exostosis, a frequent benign bone tumor. Corrosion of prosthetic implants composed of grade V titanium (TA6V is an alloy containing 6% aluminum and 4% vanadium) was also observed in a series of hip or knee revisions. Aluminum can be identified in undecalcified bone matrix stained by solochrome azurine, a highly specific stain allowing the detection of 0.03 atomic %. Colocalization of aluminum and iron does not seem to be the fruit of chance but the cellular and molecular mechanisms are still poorly understood. Histochemistry is superior to spectroscopic analyses (EDS and WDS in scanning electron microscopy).
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Affiliation(s)
- D Chappard
- Groupe études remodelage osseux et biomatériaux (GEROM), LHEA, IRIS-IBS institut de biologie en santé, CHU d'Angers, LUNAM université Nantes Angers Le Mans, 49933 Angers cedex, France; Service commun d'imagerie et analyses microscopiques (SCIAM), IRIS-IBS institut de biologie en santé, CHU d'Angers, LUNAM université, 49933 Angers cedex, France.
| | - P Bizot
- Département de chirurgie osseuse, CHU d'Angers, 49933 Angers cedex, France
| | - G Mabilleau
- Groupe études remodelage osseux et biomatériaux (GEROM), LHEA, IRIS-IBS institut de biologie en santé, CHU d'Angers, LUNAM université Nantes Angers Le Mans, 49933 Angers cedex, France; Service commun d'imagerie et analyses microscopiques (SCIAM), IRIS-IBS institut de biologie en santé, CHU d'Angers, LUNAM université, 49933 Angers cedex, France
| | - L Hubert
- Département de chirurgie osseuse, CHU d'Angers, 49933 Angers cedex, France
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Serum Metal Ions with a Titanium Modular Neck Total Hip Replacement System. J Arthroplasty 2015; 30:1781-6. [PMID: 26027522 DOI: 10.1016/j.arth.2015.04.040] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Revised: 03/28/2015] [Accepted: 04/20/2015] [Indexed: 02/01/2023] Open
Abstract
The goal of this study is to evaluate serum levels of chromium (Cr), cobalt (Co), and titanium (Ti) within the first two years following total hip arthroplasty using a Ti modular neck system. Twenty-five patients were randomized to a metal-on-metal (MoM) bearing with an all CoCr shell, and the remaining 25 received a metal-on-polyethylene (MoP) with a Ti shell. Serum levels demonstrated increases for Cr, Co, and Ti at 1 year (P < .001). MoM had similar Ti levels to MoP hips at 1 year (P=0.11) but lower at 2 years (P=0.03). Results suggest that the passive corrosion (i.e., chemical, pitting, and crevice corrosion) of exposed non-articular metal surfaces may be a greater source of ions than the neck-stem or head-neck interfaces.
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Cadossi M, Mazzotti A, Baldini N, Giannini S, Savarino L. New couplings, old problems: Is there a role for ceramic-on-metal hip arthroplasty? J Biomed Mater Res B Appl Biomater 2015; 104:204-9. [DOI: 10.1002/jbm.b.33383] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 12/11/2014] [Accepted: 01/22/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Matteo Cadossi
- Department I of Orthopaedics and Traumatology; Rizzoli Orthopaedic Institute; Bologna Italy
- Department of Biomedical and Neuromotor Sciences; Bologna University; Bologna Italy
| | - Antonio Mazzotti
- Department of Biomedical and Neuromotor Sciences; Bologna University; Bologna Italy
| | - Nicola Baldini
- Department of Biomedical and Neuromotor Sciences; Bologna University; Bologna Italy
- Laboratory for Orthopaedic Pathophysiology and Regenerative Medicine; Rizzoli Orthopaedic Institute; Bologna Italy
| | - Sandro Giannini
- Department I of Orthopaedics and Traumatology; Rizzoli Orthopaedic Institute; Bologna Italy
- Department of Biomedical and Neuromotor Sciences; Bologna University; Bologna Italy
| | - Lucia Savarino
- Laboratory for Orthopaedic Pathophysiology and Regenerative Medicine; Rizzoli Orthopaedic Institute; Bologna Italy
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Pyda M, Koczy B, Widuchowski W, Widuchowska M, Stołtny T, Mielnik M, Hermanson J. Hip resurfacing arthroplasty in treatment of avascular necrosis of the femoral head. Med Sci Monit 2015; 21:304-9. [PMID: 25618763 PMCID: PMC4315641 DOI: 10.12659/msm.891031] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background Hip resurfacing is a conservative type of total hip arthroplasty but its use is controversial, especially in patients with osteonecrosis. The aim of this study was analysis of the clinical and radiographic outcomes of hip resurfacing in patients with osteonecrosis. Material/Methods Between 2007 and 2008, 30 hip resurfacing arthroplasties were performed due to osteoarthritis secondary to avascular necrosis of femoral head staged as Ficat III and IV. Patients were qualified to resurfacing arthroplasty when the extent of avascular necrosis using Kerboul’s method was <200° and the angle between avascular necrosis and head-neck junction was >20°. All patients were evaluated clinically and radiologically before and 60 months after the operation. Results The mean Harris Hip Score (HHS) score increased from 47.8 to 94.25 (p<0.05). Physical activity level (University of California, Los Angeles activity score – UCLA activity score) improved from 3.7 to 7.55 (p<0.05). No implant migration was observed. Conclusions Management of osteonecrosis of the hip with resurfacing arthroplasty seems to be effective in strictly-selected patients.
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Affiliation(s)
- Michał Pyda
- Department of Trauma and Orthopaedics, District Trauma and Orthopaedic Hospital, Piekary Śląskie, Poland
| | - Bogdan Koczy
- Department of Trauma and Orthopaedics, District Trauma and Orthopaedic Hospital, Piekary Śląskie, Poland
| | - Wojciech Widuchowski
- Department of Trauma and Orthopaedics, District Trauma and Orthopaedic Hospital, Piekary Śląskie, Poland
| | - Małgorzata Widuchowska
- Department of Internal Medicine and Rheumatology, Medical University of Silesia, Katowice, Poland
| | - Tomasz Stołtny
- Department of Trauma and Orthopaedics, District Trauma and Orthopaedic Hospital, Piekary Śląskie, Poland
| | - Michał Mielnik
- Department of Trauma and Orthopaedics, District Trauma and Orthopaedic Hospital, Piekary Śląskie, Poland
| | - Jacek Hermanson
- Department of Trauma and Orthopaedics, District Trauma and Orthopaedic Hospital, Piekary Śląskie, Poland
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Matusiewicz H. Potential release of in vivo trace metals from metallic medical implants in the human body: from ions to nanoparticles--a systematic analytical review. Acta Biomater 2014; 10:2379-403. [PMID: 24565531 DOI: 10.1016/j.actbio.2014.02.027] [Citation(s) in RCA: 116] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 12/04/2013] [Accepted: 02/13/2014] [Indexed: 02/06/2023]
Abstract
Metal ion release from metallic materials, e.g. metallic alloys and pure metals, implanted into the human body in dental and orthopedic surgery is becoming a major cause for concern. This review briefly provides an overview of both metallic alloys and pure metals used in implant materials in dental and orthopedic surgery. Additionally, a short section is dedicated to important biomaterials and their corrosive behavior in both real solutions and various types of media that model human biological fluids and tissues. The present review gives an overview of analytical methods, techniques and different approaches applied to the measurement of in vivo trace metals released into body fluids and tissues from patients carrying metal-on-metal prostheses and metal dental implants. Reference levels of ion concentrations in body fluids and tissues that have been determined by a host of studies are compiled, reviewed and presented in this paper. Finally, a collection of published clinical data on in vivo released trace metals from metallic medical implants is included.
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20
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Pezzotti G, Yamamoto K. Artificial hip joints: The biomaterials challenge. J Mech Behav Biomed Mater 2014; 31:3-20. [DOI: 10.1016/j.jmbbm.2013.06.001] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Revised: 05/29/2013] [Accepted: 06/06/2013] [Indexed: 12/21/2022]
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Hartmann A, Hannemann F, Lützner J, Seidler A, Drexler H, Günther KP, Schmitt J. Metal ion concentrations in body fluids after implantation of hip replacements with metal-on-metal bearing--systematic review of clinical and epidemiological studies. PLoS One 2013; 8:e70359. [PMID: 23950923 PMCID: PMC3737219 DOI: 10.1371/journal.pone.0070359] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Accepted: 06/16/2013] [Indexed: 01/02/2023] Open
Abstract
INTRODUCTION The use of metal-on-metal (MoM) total hip arthroplasty (THA) increased in the last decades. A release of metal products (i.e. particles, ions, metallo-organic compounds) in these implants may cause local and/or systemic adverse reactions. Metal ion concentrations in body fluids are surrogate measures of metal exposure. OBJECTIVE To systematically summarize and critically appraise published studies concerning metal ion concentrations after MoM THA. METHODS Systematic review of clinical trials (RCTs) and epidemiological studies with assessment of metal ion levels (cobalt, chromium, titanium, nickel, molybdenum) in body fluids after implantation of metalliferous hip replacements. Systematic search in PubMed and Embase in January 2012 supplemented by hand search. Standardized abstraction of pre- and postoperative metal ion concentrations stratified by type of bearing (primary explanatory factor), patient characteristics as well as study quality characteristics (secondary explanatory factors). RESULTS Overall, 104 studies (11 RCTs, 93 epidemiological studies) totaling 9.957 patients with measurement of metal ions in body fluids were identified and analyzed. Consistently, median metal ion concentrations were persistently elevated after implantation of MoM-bearings in all investigated mediums (whole blood, serum, plasma, erythrocytes, urine) irrespective of patient characteristics and study characteristics. In several studies very high serum cobalt concentrations above 50 µg/L were measured (detection limit typically 0.3 µg/L). Highest metal ion concentrations were observed after treatment with stemmed large-head MoM-implants and hip resurfacing arthroplasty. DISCUSSION Due to the risk of local and systemic accumulation of metallic products after treatment with MoM-bearing, risk and benefits should be carefully balanced preoperatively. The authors support a proposed "time out" for stemmed large-head MoM-THA and recommend a restricted indication for hip resurfacing arthroplasty. Patients with implanted MoM-bearing should receive regular and standardized monitoring of metal ion concentrations. Further research is indicated especially with regard to potential systemic reactions due to accumulation of metal products.
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Affiliation(s)
- Albrecht Hartmann
- University Hospital Carl Gustav Carus Dresden, University Centre for Orthopaedics and Trauma Surgery, Dresden, Germany
| | - Franziska Hannemann
- University Hospital Carl Gustav Carus Dresden, University Centre for Orthopaedics and Trauma Surgery, Dresden, Germany
- University Hospital Carl Gustav Carus Dresden, Centre for Evidence-Based Health Care, Dresden, Germany
| | - Jörg Lützner
- University Hospital Carl Gustav Carus Dresden, University Centre for Orthopaedics and Trauma Surgery, Dresden, Germany
| | - Andreas Seidler
- Dresden University of Technology, Occupational and Social Medicine, Dresden, Germany
| | - Hans Drexler
- University Erlangen-Nuremberg, Occupational, Social and Environmental Medicine, Erlangen, Germany
| | - Klaus-Peter Günther
- University Hospital Carl Gustav Carus Dresden, University Centre for Orthopaedics and Trauma Surgery, Dresden, Germany
| | - Jochen Schmitt
- University Hospital Carl Gustav Carus Dresden, Centre for Evidence-Based Health Care, Dresden, Germany
- Dresden University of Technology, Occupational and Social Medicine, Dresden, Germany
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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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In vivo serum titanium ion levels following modular neck total hip arthroplasty--10 year results in 67 patients. Acta Biomater 2013; 9:6278-82. [PMID: 23232209 DOI: 10.1016/j.actbio.2012.12.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2012] [Revised: 11/28/2012] [Accepted: 12/02/2012] [Indexed: 02/01/2023]
Abstract
The objective of the present cross-sectional study was to determine in vivo titanium ion levels following cementless total hip arthroplasty (THA) using a modular stem system with different shapes for femoral canal fit and multiple neck options. A consecutive series of 173 patients (190 hips) who underwent cementless modular neck THA and a ceramic on polyethylene bearing with a median follow-up of 9 (7-13) years was evaluated retrospectively. According to a standardized protocol, titanium ion measurements were performed on 67 patients using high-resolution inductively coupled plasma-mass spectrometry. Ion levels were compared to a control group comprising patients with non-modular titanium implants (n=11) and to individuals without implants (n=23). Modular neck THA did not result in elevated titanium ion levels compared to non-modular THA. Compared to individuals without implants, both modular THA and non-modular THA showed elevated titanium ion levels. Absolute titanium ion levels, however, were comparatively low for both implants. The data suggest that the present modular stem system does not result in elevated systemic titanium ion levels in the medium term when compared to non-modular stems. Further longitudinal studies are needed to evaluate the use of systemic titanium ion levels as an objective diagnostic tool to identify THA failure and to monitor patients following revision surgery.
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The development of whole blood titanium levels after instrumented spinal fusion - is there a correlation between the number of fused segments and titanium levels? BMC Musculoskelet Disord 2012; 13:159. [PMID: 22925526 PMCID: PMC3495207 DOI: 10.1186/1471-2474-13-159] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Accepted: 08/20/2012] [Indexed: 11/10/2022] Open
Abstract
Background Most modern spinal implants contain titanium and remain in the patient’s body permanently. Local and systemic effects such as tissue necrosis, osteolysis and malignant cell transformation caused by implants have been described. Increasing tissue concentration and whole blood levels of ions are necessary before a disease caused by a contaminant develops. The aim of the present study was the measurement of whole blood titanium levels and the evaluation of a possible correlation between these changes and the number of fused segments. Methods A prospective study was designed to determine changes in whole blood titanium levels after spinal fusion and to analyze the correlation to the number of pedicle screws, cross connectors and interbody devices implanted. Blood samples were taken preoperatively in group I (n = 15), on the first, second and 10th day postoperatively, as well as 3 and 12 months after surgery. Group II (n = 16) served as a control group of volunteers who did not have any metal implants in the body. Blood samples were taken once in this group. The number of screw-rod-connections and the length of the spinal fusion were determined using radiographic pictures. This study was checked and approved by the ethical committee of the University of Tuebingen. Results The mean age in group I was 47 ± 22 years (range 16 - 85 years). There were three male (20%) and twelve female (80%) patients. The median number of fused segments was 5 (range 1 to 11 segments). No statistically significant increase in the titanium level was seen 12 months after surgery (mean difference: -7.2 μg/l, 95% CI: -26.9 to 12.5 μg/l, p = 0.446). By observing the individual titanium levels, 4 out of 15 patients demonstrated an increase in titanium levels 12 months after surgery. No statistically significant correlation between fused segments (r = -0.188, p = 0.503) length of instrumentation (r = -0.329, p = 0.231), number of interbody devices (r = -0.202, p = 0.291) and increase of titanium levels over the observation period was seen. Conclusions Instrumented spinal fusion does not lead to a statistically significant increase in whole blood titanium levels. There seems to be no correlation between the number of pedicle screws, cross connectors and interbody devices implanted and the increase of serum titanium levels.
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Seven years of chronological changes of serum chromium levels after Metasul metal-on-metal total hip arthroplasty. J Arthroplasty 2010; 25:1196-200. [PMID: 19879729 DOI: 10.1016/j.arth.2009.08.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2009] [Accepted: 08/26/2009] [Indexed: 02/01/2023] Open
Abstract
Although many authors have reported the serum concentrations of metal ions in patients who had metal-on-metal coupling prostheses, most of the studies were not longitudinal, and the follow-up periods were short. We evaluated the longitudinal changes of serum chromium levels in 44 patients who had undergone unilateral metal-on-metal total hip arthroplasty for a minimum of 7 years postoperatively. Although there was a consistent increase in the mean serum chromium level until 3 years after implantation, there was little difference in the levels from years 3 to 7 postoperatively. Although the serum chromium concentration was low throughout postoperative follow-up for 7 years in about 25% of patients, the serum chromium level stayed high or showed gradual elevation in 16.3% of our patients.
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Zhang W, Titze M, Cappi B, Wirtz DC, Telle R, Fischer H. Improved mechanical long-term reliability of hip resurfacing prostheses by using silicon nitride. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2010; 21:3049-3057. [PMID: 20725769 DOI: 10.1007/s10856-010-4144-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2009] [Accepted: 08/03/2010] [Indexed: 05/29/2023]
Abstract
Although ceramic prostheses have been successfully used in conventional total hip arthroplasty (THA) for many decades, ceramic materials have not yet been applied for hip resurfacing (HR) surgeries. The objective of this study is to investigate the mechanical reliability of silicon nitride as a new ceramic material in HR prostheses. A finite element analysis (FEA) was performed to study the effects of two different designs of prostheses on the stress distribution in the femur-neck area. A metallic (cobalt-chromium-alloy) Birmingham hip resurfacing (BHR) prosthesis and our newly designed ceramic (silicon nitride) HR prosthesis were hereby compared. The stresses induced by physiologically loading the femur bone with an implant were calculated and compared with the corresponding stresses for the healthy, intact femur bone. Here, we found stress distributions in the femur bone with the implanted silicon nitride HR prosthesis which were similar to those of healthy, intact femur bone. The lifetime predictions showed that silicon nitride is indeed mechanically reliable and, thus, is ideal for HR prostheses. Moreover, we conclude that the FEA and corresponded post-processing can help us to evaluate a new ceramic material and a specific new implant design with respect to the mechanical reliability before clinical application.
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Affiliation(s)
- Wen Zhang
- Department of Ceramics and Refractory Materials, RWTH Aachen University, Mauerstrasse 5, 52064 Aachen, Germany.
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Savarino L, Tigani D, Greco M, Baldini N, Giunti A. The potential role of metal ion release as a marker of loosening in patients with total knee replacement. ACTA ACUST UNITED AC 2010; 92:634-8. [DOI: 10.1302/0301-620x.92b5.23452] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We investigated the role of ion release in the assessment of fixation of the implant after total knee replacement and hypothesised that ion monitoring could be a useful parameter in the diagnosis of prosthetic loosening. We enrolled 59 patients with unilateral procedures and measured their serum aluminium, titanium, chromium and cobalt ion levels, blinded to the clinical and radiological outcome which was considered to be the reference standard. The cut-off levels for detection of the ions were obtained by measuring the levels in 41 healthy blood donors who had no implants. Based on the clinical and radiological evaluation the patients were divided into two groups with either stable (n = 24) or loosened (n = 35) implants. A significant increase in the mean level of Cr ions was seen in the group with failed implants (p = 0.001). The diagnostic accuracy was 71% providing strong evidence of failure when the level of Cr ions exceeded the cut-off value. The possibility of distinguishing loosening from other causes of failure was demonstrated by the higher diagnostic accuracy of 83%, when considering only patients with failure attributable to loosening. Measurement of the serum level of Cr ions may be of value for detecting failure due to loosening when the diagnosis is in doubt. The other metal ions studies did not have any diagnostic value.
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Affiliation(s)
- L. Savarino
- Laboratory for Orthopaedic Pathophysiology and Regenerative Medicine Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, 40136 Bologna, Italy
| | - D. Tigani
- Department I Rizzoli Orthopaedic Instiute, via Pupilli 1, 40136 Bologna, Italy
| | - M. Greco
- Laboratory for Orthopaedic Pathophysiology and Regenerative Medicine Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, 40136 Bologna, Italy
| | - N. Baldini
- Department I Rizzoli Orthopaedic Instiute, via Pupilli 1, 40136 Bologna, Italy
| | - A. Giunti
- Department I Rizzoli Orthopaedic Instiute, via Pupilli 1, 40136 Bologna, Italy
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Dahlstrand H, Stark A, Anissian L, Hailer NP. Elevated serum concentrations of cobalt, chromium, nickel, and manganese after metal-on-metal alloarthroplasty of the hip: a prospective randomized study. J Arthroplasty 2009; 24:837-45. [PMID: 18823744 DOI: 10.1016/j.arth.2008.07.019] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2007] [Revised: 05/17/2008] [Accepted: 07/29/2008] [Indexed: 02/01/2023] Open
Abstract
In this prospective randomized study, we investigate metal ion concentrations and clinical outcome 2 years after metal-on-metal (28 patients) or metal-on-polyethylene (26 patients) hip arthroplasty with 28-mm modular heads. Metal ion concentrations in patient serum were analyzed by high-resolution plasma mass spectrometry. The clinical outcome was almost identical in both groups with respect to the Harris hip score and the Medical Outcome Study Short Form-36; and on plain radiography, no signs of loosening occurred in any group. In the metal-on-metal group, concentrations of all investigated ions increased significantly when compared with preoperative values: cobalt, 15.3-fold (95% confidence interval [CI], 9.4-21.2); chromium, 5.2-fold (CI, 3.5-7.0); nickel, 2.1-fold (CI, 1.2-3.0); and manganese, 1.6-fold (CI, 1.3-2.0). In the metal-on-polyethylene group, a smaller but significant increase in the concentrations of cobalt and nickel occurred, whereas concentrations of the other ions did not change significantly.
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Affiliation(s)
- Henrik Dahlstrand
- Department of Molecular Medicine and Surgery, Section of Orthopaedics, Karolinska Institute, Karolinska University Hospital, Stockholm, Sweden
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Leslie IJ, Williams S, Brown C, Anderson J, Isaac G, Hatto P, Ingham E, Fisher J. Surface engineering: A low wearing solution for metal-on-metal hip surface replacements. J Biomed Mater Res B Appl Biomater 2009; 90:558-65. [DOI: 10.1002/jbm.b.31317] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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30
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Oldenburg M, Wegner R, Baur X. Severe cobalt intoxication due to prosthesis wear in repeated total hip arthroplasty. J Arthroplasty 2009; 24:825.e15-20. [PMID: 18835128 DOI: 10.1016/j.arth.2008.07.017] [Citation(s) in RCA: 125] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2007] [Revised: 02/13/2008] [Accepted: 07/01/2008] [Indexed: 02/01/2023] Open
Abstract
Our study describes a 55-year-old man with a total hip prosthesis (ceramic femoral head and polyethylene [PE] inlay). After a fall, the ceramic head broke into several pieces, and a subsequent revision surgery with metal femoral head and PE inlay was performed. Three months later, the so far healthy patient complained of multiorgan symptoms. The subsequent clinical examinations revealed hypothyroidism, peripheral neuropathy, and cardiomyopathy for the first time. In a second revision surgery, a massive deterioration of the metal femoral head by overlooked particles of the broken ceramic head was found. The cobalt concentration in blood exceeded a never before observed level. After replacement of the scraped femoral head, the cobalt concentration decreased considerably, and most of the symptoms disappeared.
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Affiliation(s)
- Marcus Oldenburg
- Department of Maritime Medicine, University of Hamburg, Hamburg State Department for Social Affairs, Family, Health and Consumer Protection, Hamburg, Germany
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31
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Savarino L, Baldini N, Ciapetti G, Pellacani A, Giunti A. Is wear debris responsible for failure in alumina-on-alumina implants? Acta Orthop 2009; 80:162-7. [PMID: 19404796 PMCID: PMC2823169 DOI: 10.3109/17453670902876730] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2008] [Accepted: 10/14/2008] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND AND PURPOSE Ceramic-on-ceramic articulation is an attractive alternative to metal-on-polyethylene (PE) bearings, but little is known about the in vivo effects induced by dissemination of alumina wear debris in the periprosthetic tissues. We hypothesized that wear debris is not the main factor responsible for loosening and failure of the implant but that mechanical problems caused by incorrect surgical technique, prosthetic design, or trauma, may cause instability of the implants and result in production of wear debris. PATIENTS AND METHODS Clinical, radiographic, laboratory, and microbiological data from 30 consecutive patients with failed alumina-on-alumina arthroplasties, 19 with screwed socket and 11 with press-fit socket, were systematically collected and evaluated. Retrieved peri-implant tissues and prosthesis wear were also analyzed. RESULTS AND INTERPRETATION Loosening was due to malpositioning, primary mechanical instability, trauma, or infection. Bone stock was generally preserved, even if screwed implants showed higher levels of osteolysis. Variable implant wear and tissue macrophage reaction were present but activation of giant cells/osteoclasts was not induced, and no correlation between histocytic reaction and the level of osteolysis was found. These findings indicate that, in contrast to the situation with metal-on-PE bearings, wear debris and occasional osteolysis were the effect rather than the cause of failure of ceramic-on-ceramic implants, and that press-fit socket fixation was the socket fixation design of preference.
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Affiliation(s)
- Lucia Savarino
- Laboratory for Pathophysiology of Orthopaedic Implant, Bologna, Italy.
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32
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Savarino L, Padovani G, Ferretti M, Greco M, Cenni E, Perrone G, Greco F, Baldini N, Giunti A. Serum ion levels after ceramic-on-ceramic and metal-on-metal total hip arthroplasty: 8-year minimum follow-up. J Orthop Res 2008; 26:1569-76. [PMID: 18634038 DOI: 10.1002/jor.20701] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Alternative bearing surfaces for total hip arthroplasty, such as metal-on-metal and ceramic-on-ceramic, offer the potential to reduce mechanical wear and osteolysis. In the short and medium term, the second generation of metal-on-metal bearings demonstrated high systemic metal ion levels, whereas ceramic-on-ceramic bearings showed the lowest ones. We aimed to verify whether the long-term ion release in metal-on-metal subjects was still relevant at a median 10-year follow-up, and whether a fretting process at the modular junctions occurred in ceramic-on-ceramic patients and induced an ion dissemination. Serum levels were measured in 32 patients with alumina-on-alumina implants (group A), in 16 subjects with metal-on-metal implants (group B), and in 47 healthy subjects (group C). Group B results were compared with medium-term findings. Cobalt and chromium levels were significantly higher in metal-on-metal implants than in ceramic-on-ceramic ones and controls. Nevertheless, ion levels showed a tendency to decrease in comparison with medium-term content. In ceramic-on-ceramic implants, ion values were not significantly different from controls. Both in groups A and B, aluminum and titanium release were not significantly different from controls. In conclusion, negligible serum metal ion content was revealed in ceramic-on-ceramic patients. On the contrary, due to the higher ion release, metal-on-metal coupling must be prudently considered, especially in young patients, in order to obtain definitive conclusions.
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Affiliation(s)
- Lucia Savarino
- Laboratory for Pathophysiology of Orthopaedic Implants, Istituti Ortopedici Rizzoli, Via di Barbiano 1/10, 40136 Bologna, Italy.
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Sarmiento-González A, Encinar JR, Marchante-Gayón JM, Sanz-Medel A. Titanium levels in the organs and blood of rats with a titanium implant, in the absence of wear, as determined by double-focusing ICP-MS. Anal Bioanal Chem 2008; 393:335-43. [DOI: 10.1007/s00216-008-2449-2] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2008] [Revised: 09/26/2008] [Accepted: 09/30/2008] [Indexed: 10/21/2022]
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34
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Savarino L, Maci GS, Greco M, Baldini N, Giunti A. Metal ion release from fracture fixation devices: A potential marker of implant failure. J Biomed Mater Res B Appl Biomater 2008; 86:389-95. [DOI: 10.1002/jbm.b.31032] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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35
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XPS and EIS study of the passive film formed on orthopaedic Ti–6Al–7Nb alloy in Hank's physiological solution. Electrochim Acta 2008. [DOI: 10.1016/j.electacta.2007.12.041] [Citation(s) in RCA: 176] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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36
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Afolaranmi GA, Tettey J, Meek RMD, Grant MH. Release of chromium from orthopaedic arthroplasties. Open Orthop J 2008; 2:10-8. [PMID: 19461924 PMCID: PMC2685051 DOI: 10.2174/1874325000802010010] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2007] [Revised: 12/10/2007] [Accepted: 01/04/2008] [Indexed: 12/12/2022] Open
Abstract
Many orthopaedic implants are composed of alloys containing chromium. Of particular relevance is the increasing number of Cobalt Chromium bearing arthroplasies being inserted into young patients with osteoarthritis. Such implants will release chromium ions. These patients will be exposed to the released chromium for over 50 years in some cases. The subsequent chromium ion metabolism and redistribution in fluid and tissue compartments is complex. In addition, the potential biological effects of chromium are also controversial, including DNA and chromosomal damage, reduction in CD8 lymphocyte levels and possible hypersensitivity reactions (ALVAL). The establishment of these issues and the measurement of chromium in biological fluids is the subject of this review.
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Affiliation(s)
- G A Afolaranmi
- Strathclyde Institute of Pharmacy and Biomedical Sciences
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37
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Abstract
This paper considers the increased risk of the development of lymphoma in patients with chronic inflammatory disease who undergo metal-on-metal arthroplasty.
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Affiliation(s)
- L. Lidgren
- Department of Orthopaedics and Clinical Sciences, Lund University Hospital, SE-221 85 Lund, Sweden
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38
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Abstract
From June 1997 to June 2003 we performed 194 total hip arthroplasties on 173 patients using alumina ceramic-on-ceramic bearings as part of a prospective United States Food and Drug Administration/Investigational Device Exemption study. The average patient age at surgery was 49.9 years. Minimum followup time was 2 years (mean 4.3 years, range 2-9 years). We evaluated survival rate, implant- and nonimplant-related complications. Clinical outcomes included the Merle d'Aubigné score. We assessed radiographs for signs of osteolysis, component loosening, and implant wear. No patients had osteolysis and there were no hip dislocations. Implant survivorship for all hips with aseptic revision of any component was 96% (CI, 91-100) at 9 year; survivorship for hips without prior surgery was 99.3%, (CI, 98-100). There was a 1.7% incidence of implant-related complications. Our data help confirm two United States FDA/IDE studies on alumina ceramic-on-ceramic total hip arthroplasty that reported low aseptic revision rates and low revision rates for instability. Total hip arthroplasty using alumina ceramic-on-ceramic implants is a safe and reliable procedure in the comparably young and active patient.
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Affiliation(s)
- Stephen B Murphy
- Center for Computer Assisted and Reconstructive Surgery, New England Baptist Hospital, Tufts University School of Medicine, 125 Parker Hill Avenue, Suite 545, Boston, MA 02120, USA
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