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Bistolfi A, Spezia M, Cipolla A, Bonera M, Mellano D, Banci L, Colombo M, Massè A. Vitamin E-stabilized polyethylene shows similar survival rates at minimum 7-year follow-up compared to conventional polyethylene in primary total knee arthroplasty. J Exp Orthop 2024; 11:e12106. [PMID: 39239569 PMCID: PMC11375329 DOI: 10.1002/jeo2.12106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 06/20/2024] [Accepted: 07/01/2024] [Indexed: 09/07/2024] Open
Abstract
Purpose The aim of this cross-sectional study was to compare survival, clinical and radiographic results of total knee arthroplasty (TKA) with vitamin E-stabilized polyethylene (VEPE) or conventional polyethylene (CPE) at a minimum of 7-year follow-up. Methods Patients who underwent primary TKA between 2011 and 2015, receiving the same cemented rotating platform knee design with VEPE or CPE tibial inserts, were identified. Patients were contacted for clinical and radiographic follow-up. American Knee Society Score (KSS), Forgotten Joint Score (FJS-12), presence of periprosthetic radiolucent lines (RLLs) and osteolysis were evaluated at the last follow-up. Any revision, reintervention or other complications were recorded. Results Among 350 TKAs initially identified, 102 VEPE and 97 CPE knees were included for analysis with mean follow-up of 8.5 and 8.3 years, respectively. No significant difference was found in survival rates at 10-year follow-up with revision due to aseptic loosening (95.0% vs. 97.8%, p = 0.29) or due to any reason (87.6% vs. 89.6%, p = 0.78) between VEPE and CPE TKA. KSS function score resulted significantly higher in the VEPE group over CPE (77 vs. 63, p = 0.01). RLLs were more frequent in VEPE than CPE (54% vs. 32%, p = 0.05), mainly noticed medially and posteriorly beneath the tibial plate, adjacent to the trochlear shield and the posterior condyles. Osteolysis was observed in one knee per group, but patients were asymptomatic with stable implants. Conclusion TKA with VEPE and CPE tibial inserts showed comparable survival rates, complications and clinical and radiographic results up to 10-year follow-up. Level of Evidence Level III.
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Affiliation(s)
| | - Marco Spezia
- Centro Ortopedico Quadrante Hospital Omegna Italy
| | | | | | | | - Lorenzo Banci
- Clinical Research Department Permedica Orthopaedics Merate Italy
| | - Marta Colombo
- Clinical Research Department Permedica Orthopaedics Merate Italy
| | - Alessandro Massè
- University of the Studies of Turin Turin Italy
- Department of Orthopaedics and Traumatology CTO AOU Città della Salute e della Scienza di Torino Turin Italy
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Duff J, Dunson J, Doty JF. Early experience with a 3-D printed porous surface, fixed-bearing, total ankle arthroplasty: A minimum of 2-year follow-up. Foot Ankle Surg 2024; 30:382-388. [PMID: 38453589 DOI: 10.1016/j.fas.2024.02.008] [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: 10/03/2023] [Revised: 02/16/2024] [Accepted: 02/22/2024] [Indexed: 03/09/2024]
Abstract
BACKGROUND This is a pilot study reviewing patients undergoing ankle replacement with the 3-D printed INFINITY™ with ADAPTIS™ total ankle arthroplasty (TAA) system. METHODS A retrospective review was conducted of patients with a minimum two-year follow-up who underwent TAA with the INFINITY™ with ADAPTIS™ implant system. Outcome measures include implant survivorship, complications with subsequent reoperations, patient reported outcomes, and radiologic subsidence or radiolucency. RESULTS Thirty patients were included with median follow-up of 26 months (range, 24-36). Implant survival rate was 90% (27/30). Two patients experienced linear radiolucency > 2 mm: one required a revision TAA secondary to tibial subsidence; the other patient was asymptomatic and nonprogressive on serial radiographs. No cystic radiolucencies > 5 mm were identified. VAS, PROMIS PF, and FADI scores improved significantly. CONCLUSION TAA performed with the 3-D printed INFINITY™ with ADAPTIS™ implant technology led to ninety percent short term implant survivorship and improvement in patient reported outcomes with comparable results to other 4th generation arthroplasty systems as a treatment modality for end-stage ankle arthritis. LEVEL OF EVIDENCE Level III, Retrospective cohort study, Prognostic.
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Affiliation(s)
- Joseph Duff
- Department of Orthopaedic Surgery, University of Tennessee College of Medicine Chattanooga, 975 East Third Street, Hospital Box 260, Chattanooga, TN 37403, USA.
| | - Jordan Dunson
- Department of Orthopaedic Surgery, University of Tennessee College of Medicine Chattanooga, 975 East Third Street, Hospital Box 260, Chattanooga, TN 37403, USA
| | - Jesse F Doty
- Department of Orthopaedic Surgery, University of Tennessee College of Medicine Chattanooga, 975 East Third Street, Hospital Box 260, Chattanooga, TN 37403, USA
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Zhou Y, Harries D, Stoney JD. A Polished Cobalt-Chrome Baseplate is not Associated With a Lower Revision Rate Than Matt Titanium in a Single Total Knee Arthroplasty Implant System With Identical Baseplate Design. J Arthroplasty 2024; 39:896-903. [PMID: 37852451 DOI: 10.1016/j.arth.2023.10.003] [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: 05/30/2023] [Revised: 09/29/2023] [Accepted: 10/02/2023] [Indexed: 10/20/2023] Open
Abstract
BACKGROUND Polished baseplates were introduced into total knee arthroplasty (TKA) systems to reduce the incidence of backside wear. In 2004, a fixed-bearing knee arthroplasty system underwent a change in baseplate material from matt titanium to polished cobalt-chrome (CoCr) with the intention to reduce backside wear. Other design aspects were left unchanged. The aim of this study was to compare these implants with each baseplate using data from the Australian Orthopaedic Association National Joint Replacement Registry. METHODS Primary TKA procedures performed between January 2010 and December 2021 for osteoarthritis, using a single design with cross-linked polyethylene inserts and matt titanium or polished CoCr baseplates, were analyzed. The primary outcome was all-cause revision, summarized using Kaplan-Meier estimates, with age- and sex-adjusted hazard ratios estimated from Cox proportional hazards models. In total, there were 2,091 procedures with matt titanium and 2,519 procedures with polished CoCr baseplates. RESULTS The 9-year cumulative percent revision was 2.5% (95% confidence interval [CI] 1.8 to 3.5%) and 4.2% (95% CI 3.1 to 5.6%) for the matt titanium and CoCr groups, respectively. Compared to matt titanium, the revision rate of CoCr baseplates was not significantly higher (hazard ratio 1.44; 95% CI 0.96 to 2.15; P = .076). CONCLUSIONS Polished CoCr baseplates in a single TKA system were not associated with reduced all-cause revision rates compared to matt titanium up to 11 years post-TKA. Our results suggest that the predicted reduction in wear particle debris production from polished CoCr baseplates may not correlate with reduced revision rates in vivo, but further evaluation is required.
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Affiliation(s)
- Yushy Zhou
- Department of Orthopaedic Surgery, St. Vincent's Hospital, The University of Melbourne, Victoria, South Australia
| | - Dylan Harries
- South Australian Health and Medical Research Institute (SAHMRI), Adelaide, South Australia
| | - James D Stoney
- Department of Orthopaedic Surgery, St. Vincent's Hospital, The University of Melbourne, Victoria, South Australia; Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR), Adelaide, South Australia
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Maier K, Selig M, Haddouche A, Haunschild M, Hauschild O, Khalili I, Kirschberg J, Lutter C, Menges M, Mertl P, Niemeier A, Rubens-Duval B, Mittelmeier W. Vitamin E-enriched medium cross-linked polyethylene in total knee arthroplasty (VIKEP): clinical outcome, oxidation profile, and wear analysis in comparison to standard polyethylene-study protocol for a randomized controlled trial. Trials 2024; 25:27. [PMID: 38183062 PMCID: PMC10768156 DOI: 10.1186/s13063-023-07811-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 11/20/2023] [Indexed: 01/07/2024] Open
Abstract
BACKGROUND The gliding surface of total knee endoprostheses is exposed to high loads due to patient weight and activity. These implant components are typically manufactured from ultra-high molecular weight polyethylene (UHMWPE). Crosslinking of UHMWPE by ionizing radiation results in higher wear resistance but induces the formation of free radicals which impair mechanical properties after contact with oxygen. Medium-crosslinked UHMWPE enriched with vitamin E (MXE) provides a balance between the parameters for a sustainable gliding surface, i.e., mechanical strength, wear resistance, particle size, and oxidation stability. Therefore, a gliding surface for knee endoprostheses made up from this material was developed, certified, and launched. The aim of this study is to compare this new gliding surface to the established predecessor in a non-inferiority design. METHODS This multicenter, binational randomized controlled trial will enroll patients with knee osteoarthritis eligible for knee arthroplasty with the index device. Patients will be treated with a knee endoprosthesis with either MXE or a standard gliding surface. Patients will be blinded regarding their treatment. After implantation of the devices, patients will be followed up for 10 years. Besides clinical and patient-related outcomes, radiological data will be collected. In case of revision, the gliding surface will be analyzed biomechanically and regarding the oxidative profile. DISCUSSION The comparison between MXE and the standard gliding surface in this study will provide clinical data to confirm preceding biomechanical results in vivo. It is assumed that material-related differences will be identified, i.e., that the new material will be less sensitive to wear and creep. This may become obvious in biomechanical analyses of retrieved implants from revised patients and in radiologic analyses. TRIAL REGISTRATION ClinicalTrials.gov, NCT04618016. Registered 27 October 2020, https://clinicaltrials.gov/study/NCT04618016?term=vikep&checkSpell=false&rank=1 . All items from the World Health Organization Trial Registration Data Set can be found in Additional file 1.
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Affiliation(s)
- Kristin Maier
- Medical Scientific Affairs, Aesculap AG, Am Aesculap-Platz, 78532, Tuttlingen, Germany.
| | - Marius Selig
- Medical Scientific Affairs, Aesculap AG, Am Aesculap-Platz, 78532, Tuttlingen, Germany
| | - Andréa Haddouche
- Hopital Sud - CHU Grenoble, Avenue Kimberley, 38130, Echirolles, France
| | - Martin Haunschild
- Klinik Für Allgemeine Orthopädie, Endoprothetik Und Kinderorthopädie, Katholisches Klinikum Koblenz-Montabaur, Kardinal-Krementz-Str. 1-5, Koblenz-Montabaur, 56073, Germany
| | - Oliver Hauschild
- Department for Orthopedic and Trauma Surgery, Park-Klinik Weissensee, Schönstraße 80, Berlin, 13086, Germany
| | - Iman Khalili
- Krankenhaus Reinbek St. Adolf-Stift, Hamburger Straße 41, 21465, Reinbek, Germany
| | - Julia Kirschberg
- Waldkliniken Eisenberg, Klosterlausnitzer Straße 81, 07607, Eisenberg, Germany
| | - Christoph Lutter
- Orthopädische Klinik Und Poliklinik, Universitätsmedizin Rostock, Doberaner Str.142, 18057, Rostock, Germany
| | - Michael Menges
- Lukas Krankenhaus, Hindenburgstraße 56, 32257, Bünde, Germany
| | - Patrice Mertl
- CHU Amiens-Picardie, 1 Rond Point du Professeur Christian Cabrol, 80054, CEDEX 1, Amiens, France
| | - Andreas Niemeier
- Krankenhaus Reinbek St. Adolf-Stift, Hamburger Straße 41, 21465, Reinbek, Germany
| | | | - Wolfram Mittelmeier
- Orthopädische Klinik Und Poliklinik, Universitätsmedizin Rostock, Doberaner Str.142, 18057, Rostock, Germany
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Matsuoka T, Takahashi Y, Ishida T, Tateiwa T, Shishido T, Yamamoto K. In vivo creep and wear performance of vitamin-E-diffused highly crosslinked polyethylene in total hip arthroplasty. Arch Orthop Trauma Surg 2023; 143:7195-7203. [PMID: 37438580 DOI: 10.1007/s00402-023-04972-1] [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: 10/30/2022] [Accepted: 06/26/2023] [Indexed: 07/14/2023]
Abstract
INTRODUCTION An acetabular liner thickness of around 6 mm remains the "gold standard" in total hip arthroplasty. Some surgeons have been recommending the use of the thickest possible liner because contact stress and strain in articulating surfaces decrease with increasing the wall thickness. The purpose of this study was to determine whether in vivo creep and wear performance could be enhanced using a thicker liner over the standard thickness in vitamin-E-diffused highly crosslinked polyethylene (HXLPE). MATERIALS AND METHODS One hundred and twenty-two hips were allocated to age-matched, sex-matched, and body mass index-matched two subgroups implanted either with a 6.8- or 8.9-mm-thick vitamin-E-diffused HXLPE liner against 28-mm cobalt-chrome femoral head, and followed-up for 7 years. Linear and volumetric penetration of femoral head into the liners attributed to creep and wear were analyzed for each group. RESULTS Compressive creep strain generated at the initial 6 months was significantly larger in the 6.8-mm group (2.6%) than in the 8.9-mm group (2.2%). The linear steady-state wear observed after 2 years was 0.0019 and 0.0015 mm/year, whereas the volumetric steady-state wear was 0.54 and 0.45 mm3/years in the 6.8- and 8.9-mm-thick groups, respectively. Although less strain in the thicker group resulted in a slightly less wear, it did not reach significant differences in the steady-state wear rates between the groups. CONCLUSION No clinical significance for using a thicker liner over the standard thickness (6.8 mm → 8.9 mm) was confirmed in the vitamin-E-diffused HXLPE according to the 7-year follow-up. The wear rates for both thicknesses were very low enough to prevent osteolysis, and no mechanical failure was observed at any follow-up interval. Nevertheless, since the significantly higher strain was seen in the thinner liner, further follow-up is needed to compare the longer term wear and the incidence of osteolysis and component fracture.
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Affiliation(s)
- Tsunehiro Matsuoka
- Department of Orthopedic Surgery, Tokyo Medical University, 6-7-1, Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Yasuhito Takahashi
- Department of Orthopedic Surgery, Tokyo Medical University, 6-7-1, Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan.
- Department of Bone and Joint Biomaterial Research, Tokyo Medical University, 6-7-1, Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan.
| | - Tsunehito Ishida
- Department of Orthopedic Surgery, Tokyo Medical University, 6-7-1, Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Toshiyuki Tateiwa
- Department of Orthopedic Surgery, Tokyo Medical University, 6-7-1, Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Takaaki Shishido
- Department of Orthopedic Surgery, Tokyo Medical University, 6-7-1, Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Kengo Yamamoto
- Department of Orthopedic Surgery, Tokyo Medical University, 6-7-1, Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
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Kim MS, Ahn YS, Lee SH, Jeong HJ, Kim YK, Oh JH. Can convertible metal-backed glenoid components replace cemented polyethylene glenoid components in anatomical total shoulder arthroplasty? BMC Surg 2023; 23:193. [PMID: 37407984 DOI: 10.1186/s12893-023-02092-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 06/25/2023] [Indexed: 07/07/2023] Open
Abstract
BACKGROUND Anatomical total shoulder arthroplasty (aTSA) has been used to manage degenerative diseases such as primary osteoarthritis. An increase in the use of this procedure has led to several developments in humeral and glenoid components to improve patient outcomes. This study aimed to compare clinical and radiological outcomes of the newly-introduced convertible metal-backed glenoid components with cemented polyethylene glenoid components in aTSA, and to determine whether the new component would be comparable to a conventional one for reducing the burden of future revision or conversion surgeries. METHODS Medical records of fifty patients who underwent aTSA with at least two years of follow-up were retrospectively reviewed. Eighteen patients received convertible metal-backed glenoid components with vitamin E1-coated liner (MB group), while thirty-two patients received conventional cemented polyethylene glenoid components (PE group). Pre- and postoperative clinical and radiological outcomes (acromion-greater tuberosity angle [AGA] and humeral lateral offset [LO]) at final follow-up were assessed. Radiolucent lines (RLLs) and loosening around the humeral and glenoid components were also evaluated. RESULTS Clinical outcomes improved after surgery in both groups (all p < 0.001). The arc of rotation measured by AGA improved postoperatively in both groups (all p < 0.001), and AGA and LO were not different according to the type of glenoid components (all p > 0.05). Overall complication rates including RLLs of PE and MB groups were 43.8% (14/32) and 16.7% (3/18), respectively (p = 0.031). Although the PE group had more RLLs than did the MB group (p < 0.05), related symptoms and/or glenoid implant loosening were not observed in both groups. Subscapularis failure occurred in two patients in the PE group and in one in the MB group. CONCLUSION The convertible metal-backed glenoid implant with vitamin E1-coated liner may be a good alternative for considering the potential for an easier conversion to reverse total shoulder arthroplasty.
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Affiliation(s)
- Myung-Sun Kim
- Department of Orthopaedic Surgery, Chonnam National University College of Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Yeong-Seub Ahn
- Department of Orthopaedic Surgery, Chonnam National University College of Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
- Department of Orthopaedic Surgery, Good Morning General Hospital, Pyeongtaek, Republic of Korea
| | - Sun-Ho Lee
- Department of Orthopaedic Surgery, Chonnam National University College of Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Hyeon Jang Jeong
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Young Kyu Kim
- Department of Orthopaedic Surgery, Daejin Medical Center Bundang Jesaeng General Hospital, Seongnam, Republic of Korea
| | - Joo Han Oh
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.
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Choi SR, Kwon JW, Suk KS, Kim HS, Moon SH, Park SY, Lee BH. The Clinical Use of Osteobiologic and Metallic Biomaterials in Orthopedic Surgery: The Present and the Future. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16103633. [PMID: 37241260 DOI: 10.3390/ma16103633] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/21/2023] [Accepted: 05/03/2023] [Indexed: 05/28/2023]
Abstract
As the area and range of surgical treatments in the orthopedic field have expanded, the development of biomaterials used for these treatments has also advanced. Biomaterials have osteobiologic properties, including osteogenicity, osteoconduction, and osteoinduction. Natural polymers, synthetic polymers, ceramics, and allograft-based substitutes can all be classified as biomaterials. Metallic implants are first-generation biomaterials that continue to be used and are constantly evolving. Metallic implants can be made from pure metals, such as cobalt, nickel, iron, or titanium, or from alloys, such as stainless steel, cobalt-based alloys, or titanium-based alloys. This review describes the fundamental characteristics of metals and biomaterials used in the orthopedic field and new developments in nanotechnology and 3D-printing technology. This overview discusses the biomaterials that clinicians commonly use. A complementary relationship between doctors and biomaterial scientists is likely to be necessary in the future.
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Affiliation(s)
- Sung-Ryul Choi
- Department of Orthopedic Surgery, Spine and Spinal Cord Institute, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Republic of Korea
| | - Ji-Won Kwon
- Department of Orthopedic Surgery, Spine and Spinal Cord Institute, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Republic of Korea
| | - Kyung-Soo Suk
- Department of Orthopedic Surgery, Spine and Spinal Cord Institute, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Republic of Korea
| | - Hak-Sun Kim
- Department of Orthopedic Surgery, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Seong-Hwan Moon
- Department of Orthopedic Surgery, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Si-Young Park
- Department of Orthopedic Surgery, Spine and Spinal Cord Institute, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Republic of Korea
| | - Byung Ho Lee
- Department of Orthopedic Surgery, Spine and Spinal Cord Institute, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Republic of Korea
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Hasegawa M, Tone S, Naito Y, Sudo A. Ultra-High-Molecular-Weight Polyethylene in Hip and Knee Arthroplasties. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2140. [PMID: 36984020 PMCID: PMC10054334 DOI: 10.3390/ma16062140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 03/05/2023] [Accepted: 03/06/2023] [Indexed: 06/18/2023]
Abstract
Ultra-high-molecular-weight polyethylene (UHMWPE) wear and particle-induced osteolysis contribute to the failure of total hip arthroplasty (THA) and total knee arthroplasty (TKA). Highly crosslinked polyethylene (HXLPE) was developed in the late 1990s to reduce wear and has shown lower wear rates and loosening than conventional UHMWPE in THA. The irradiation dose for crosslinking is up to 100 kGy. However, during crosslinking, free radical formation induces oxidation. Using HXLPE in THA, the cumulative revision rate was determined to be significantly lower (6.2%) than that with conventional UHMWPE (11.7%) at a mean follow-up of 16 years, according to the Australian Orthopaedic Association National Joint Replacement Registry. However, HXLPE does not confer to TKA the same advantages it confers to THA. Several alternatives have been developed to prevent the release of free radicals and improve polymer mechanical properties, such as thermal treatment, phospholipid polymer 2-methacryloyloxyethyl phosphorylcholine grafting, remelting, and vitamin E addition. Among these options, vitamin E addition has reported good clinical results and wear resistance similar to that of HXLPE without vitamin E, as shown by short-term clinical studies of THA and TKA. This review aims to provide a comprehensive overview of the development and performance of UHMWPE in THA and TKA.
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Langlois J, Hamadouche M. What have we learned from 20 years of using highly crosslinked PE in total hip arthroplasty? Orthop Traumatol Surg Res 2023; 109:103457. [PMID: 36302450 DOI: 10.1016/j.otsr.2022.103457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 11/07/2022]
Abstract
Slightly more than 20 years after its first clinical use, highly cross-linked polyethylene (HXLPE) has been widely adopted. Despite initial concerns about oxidation and lack of fatigue resistance, first generation HXLPE, with 15 years of follow-up and widespread use, continues to provide excellent results, even in a young, active population. Remelted HXLPE might have a lower wear rate than annealed HXLPE and will no doubt have a better resistance to oxidation. Second generation materials, consisting of polyethylene (PE) that is sequentially irradiated then annealed and PE that is infused with antioxidants, also have provided encouraging short- and medium-term results. Data from national joint registers confirm data from clinical trials. Even in more challenging cases (dual mobility, hip resurfacing, revision surgery and thin liners), HXLPE has generated promising results. However, failures (rim fractures) have been documented, including for all the latest HXLPE generations. Consequently, certain precautions must be taken during its use and close patient monitoring is necessary.
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Affiliation(s)
- Jean Langlois
- Centre Orthopédique Santy, 24, avenue Paul Santy, Lyon, France; Hôpital Privé Jean-Mermoz, 55, avenue Jean-Mermoz, Lyon, France.
| | - Moussa Hamadouche
- Département de Chirurgie Orthopédique, Université de Paris, Assistance Publique-Hôpitaux de Paris, Hôpital Cochin, 27, rue du Faubourg Saint-Jacques, Paris, France
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10
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Shah NA, Lan RT, Dai R, Jiang K, Shen HY, Hong R, Xu JZ, Li L, Li ZM. Improved oxidation stability and crosslink density of chemically crosslinked ultrahigh molecular weight polyethylene using the antioxidant synergy for artificial joints. J Biomed Mater Res B Appl Biomater 2023; 111:26-37. [PMID: 35809250 DOI: 10.1002/jbm.b.35129] [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: 12/22/2021] [Revised: 05/28/2022] [Accepted: 06/27/2022] [Indexed: 02/05/2023]
Abstract
Vitamin E (VE) is currently an approved antioxidant to improve the oxidation stability of highly crosslinked ultrahigh molecular weight polyethylene (UHMWPE) insert used commercially in total joint arthroplasty. However, the decrease in crosslink density caused by VE reduces wear resistance of UHMWPE, showing an uncoordinated challenge. In this work, we hypothesized that D-sorbitol (DS) as a secondary antioxidant can improve the antioxidant efficacy of VE on chemically crosslinked UHMWPE. The combined effect of VE and DS on oxidation stability of UHMWPE was investigated at a set of controlled hybrid antioxidant content. The hybrid antioxidant strategy showed significantly synergistic enhancement on the oxidation stability of chemically crosslinked UHMWPE compared with the single VE strategy. More strikingly, the crosslink density of the blends with hybrid antioxidants stayed at a high level since DS is not sensitive to crosslinking. The relationships between oxidation stability, mechanical properties, crosslink density, and crystallinity were investigated, by which the clinically relevant overall performance of UHMWPE was optimized. This work provides a leading-edge design mean for the development of joint bearings.
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Affiliation(s)
- Nouman Ali Shah
- West China School of Nursing, Sichuan University/West China Hospital, Sichuan University, Chengdu, China.,College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, China
| | - Ri-Tong Lan
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, China
| | - Rui Dai
- College of Biomass Science and Engineering, Sichuan University, Chengdu, China
| | - Kai Jiang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, China
| | - Hui-Yuan Shen
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, China
| | - Rui Hong
- West China School of Nursing, Sichuan University/West China Hospital, Sichuan University, Chengdu, China.,College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, China
| | - Jia-Zhuang Xu
- West China School of Nursing, Sichuan University/West China Hospital, Sichuan University, Chengdu, China.,College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, China
| | - Lingli Li
- West China School of Nursing, Sichuan University/West China Hospital, Sichuan University, Chengdu, China
| | - Zhong-Ming Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, China
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11
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Spece H, Yarbrough RV, Kurtz SM. In Vivo Performance of Vitamin E Stabilized Polyethylene Implants for Total Hip Arthroplasty: A Review. J Arthroplasty 2022; 38:970-979. [PMID: 36481286 DOI: 10.1016/j.arth.2022.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 10/28/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Vitamin E stabilization was introduced to improve the oxidative stability, wear resistance, and mechanical properties of highly crosslinked polyethylene (HXLPE). In this literature review, we asked: (1) How has vitamin E-stabilized HXLPE (VEPE) performed in vivo for total hip arthroplasty (THA) and how does it compare with conventional ultra-high molecular weight polyethylene (UHMWPE) and HXLPE without vitamin E; and (2) Is there an apparent difference in the clinical performance of VEPE created by blending versus diffusion? METHODS We performed a systematic search of the literature according to the Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) guidelines using PubMed and Embase. Included studies reported the in vivo behavior of VEPE in THA. We reviewed 41 studies. RESULTS For all studies that compared polyethylene with and without VE stabilization, outcomes for VEPE were either equivalent or superior to the control group (for HXLPE without VE and conventional UHMWPE controls, respectively). Hip insert wear rates were generally less than 0.1 mm/year and in most cases were less than 0.05 mm/year. No VEPE components were revised for osteolysis or adverse outcomes specific to VE incorporation. CONCLUSION Across the literature, we found that VEPE was reported to be clinically effective for THA applications, with much of the research indicating positive clinical outcomes and lower or equivalent wear rates compared to conventional UHMWPE and HXLPE controls without VE. Instances of early component fracture were reported, but have multiple potential causes. There is a gap in the literature for comparison of blended and diffused components, so the in vivo impact of VE incorporation method remains to be seen. Overall, this study provides a comprehensive summary of VEPE clinical performance for THA and may serve as a resource for future investigations.
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Affiliation(s)
- Hannah Spece
- Implant Research Core, School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA; Gyroid, LLC, Haddonfield, NJ
| | | | - Steven M Kurtz
- Implant Research Core, School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA; Gyroid, LLC, Haddonfield, NJ
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Matsumoto K, Tokuhashi Y, Sawada H, Saito S, Suzuki S, Ozaki R, Nakanishi K. Fatigue wear test comparing vitamin-E-blended crosslinked polyethylene and conventional polyethylene in a Posterior Dynamic Stabilization System of the spine in the laboratory. J Orthop Sci 2022; 27:558-562. [PMID: 33865669 DOI: 10.1016/j.jos.2021.02.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 02/15/2021] [Accepted: 02/24/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Although artificial joints using polyethylene have been developed for various joints, the development of Posterior Dynamic Stabilization system of the spine using polyethylene has proceeded at a much slower pace. There are no studies which compare the abrasion resistance of vitamin-E-blended crosslinked polyethylene (VE) and conventional polyethylene (Virgin) in the spinal region. The purpose of this study was to compare the wear resistance of VE and Virgin in a Posterior Dynamic Stabilization System of the spine. METHODS Posterior Dynamic Stabilization System of the spine uses a polyethylene ball as a sliding surface. A fatigue wear test was repeated up to 1 million cycles at a speed of ±5°, 1 Hz while the rod was being pulled at a load of 50 N. Balls were compared using VE and Virgin in 6 samples each. Ti-6AL-4 V (Ti 64) and Co-Cr-Mo (CoCr) rods were used. Abrasion loss and shape change of the polyethylene balls were compared. RESULTS When Ti 64 was used as the rod, the average wear amount was -0.01 mg (0.02 mg, 0.01 mg, -0.06 mg) for VE, and 0.23 mg (0.18 mg, 0.13 mg, 0.38 mg) for Virgin. When CoCr was used as the rod, the average wear amount was 0.42 mg (0.71 mg, -0.06 mg, 0.61 mg) for VE, and 0.73 mg (0.72 mg, 0.70 mg, 0.76 mg) for Virgin. Most polyethylene samples showed indentations of 0.1 m or less at the contact point with the set screw. In the combination of Virgin and CoCr, a white patch was observed on the inner side of the polyethylene samples, with a maximum depression of 0.1 mm. CONCLUSIONS A fatigue wear test showed VE to be more efficient in abrasion resistance than Virgin in a Posterior Dynamic Stabilization System of the spine in the laboratory.
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Affiliation(s)
- Koji Matsumoto
- Department of Orthopaedic Surgery, Nihon University Itabashi Hospital, 30-1 Oyaguchikamimati Itabashi-ku, Tokyo 173-8610, Japan.
| | - Yasuaki Tokuhashi
- Department of Orthopaedic Surgery, Nihon University Itabashi Hospital, 30-1 Oyaguchikamimati Itabashi-ku, Tokyo 173-8610, Japan
| | - Hirokatsu Sawada
- Department of Orthopaedic Surgery, Nihon University Itabashi Hospital, 30-1 Oyaguchikamimati Itabashi-ku, Tokyo 173-8610, Japan
| | - Sosuke Saito
- Department of Orthopaedic Surgery, Nihon University Itabashi Hospital, 30-1 Oyaguchikamimati Itabashi-ku, Tokyo 173-8610, Japan
| | - Satoshi Suzuki
- Department of Orthopaedic Surgery, Nihon University Itabashi Hospital, 30-1 Oyaguchikamimati Itabashi-ku, Tokyo 173-8610, Japan
| | - Ryo Ozaki
- Department of Orthopaedic Surgery, Nihon University Itabashi Hospital, 30-1 Oyaguchikamimati Itabashi-ku, Tokyo 173-8610, Japan
| | - Kazuyoshi Nakanishi
- Department of Orthopaedic Surgery, Nihon University Itabashi Hospital, 30-1 Oyaguchikamimati Itabashi-ku, Tokyo 173-8610, Japan
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Current Knowledge on Biomaterials for Orthopedic Applications Modified to Reduce Bacterial Adhesive Ability. Antibiotics (Basel) 2022; 11:antibiotics11040529. [PMID: 35453280 PMCID: PMC9024841 DOI: 10.3390/antibiotics11040529] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 02/01/2023] Open
Abstract
A significant challenge in orthopedics is the design of biomaterial devices that are able to perform biological functions by substituting or repairing various tissues and controlling bone repair when required. This review presents an overview of the current state of our recent research into biomaterial modifications to reduce bacterial adhesive ability, compared with previous reviews and excellent research papers, but it is not intended to be exhaustive. In particular, we investigated biomaterials for replacement, such as metallic materials (titanium and titanium alloys) and polymers (ultra-high-molecular-weight polyethylene), and biomaterials for regeneration, such as poly(ε-caprolactone) and calcium phosphates as composites. Biomaterials have been designed, developed, and characterized to define surface/bulk features; they have also been subjected to bacterial adhesion assays to verify their potential capability to counteract infections. The addition of metal ions (e.g., silver), natural antimicrobial compounds (e.g., essential oils), or antioxidant agents (e.g., vitamin E) to different biomaterials conferred strong antibacterial properties and anti-adhesive features, improving their capability to counteract prosthetic joint infections and biofilm formation, which are important issues in orthopedic surgery. The complexity of biological materials is still far from being reached by materials science through the development of sophisticated biomaterials. However, close interdisciplinary work by materials scientists, engineers, microbiologists, chemists, physicists, and orthopedic surgeons is indeed necessary to modify the structures of biomaterials in order to achieve implant integration and tissue regeneration while avoiding microbial contamination.
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Kroczek K, Turek P, Mazur D, Szczygielski J, Filip D, Brodowski R, Balawender K, Przeszłowski Ł, Lewandowski B, Orkisz S, Mazur A, Budzik G, Cebulski J, Oleksy M. Characterisation of Selected Materials in Medical Applications. Polymers (Basel) 2022; 14:1526. [PMID: 35458276 PMCID: PMC9027145 DOI: 10.3390/polym14081526] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/01/2022] [Accepted: 04/06/2022] [Indexed: 11/19/2022] Open
Abstract
Tissue engineering is an interdisciplinary field of science that has developed very intensively in recent years. The first part of this review describes materials with medical and dental applications from the following groups: metals, polymers, ceramics, and composites. Both positive and negative sides of their application are presented from the point of view of medical application and mechanical properties. A variety of techniques for the manufacture of biomedical components are presented in this review. The main focus of this work is on additive manufacturing and 3D printing, as these modern techniques have been evaluated to be the best methods for the manufacture of medical and dental devices. The second part presents devices for skull bone reconstruction. The materials from which they are made and the possibilities offered by 3D printing in this field are also described. The last part concerns dental transitional implants (scaffolds) for guided bone regeneration, focusing on polylactide-hydroxyapatite nanocomposite due to its unique properties. This section summarises the current knowledge of scaffolds, focusing on the material, mechanical and biological requirements, the effects of these devices on the human body, and their great potential for applications.
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Affiliation(s)
- Kacper Kroczek
- Doctoral School of Engineering and Technical Sciences, Rzeszow University of Technology, 35-959 Rzeszow, Poland;
| | - Paweł Turek
- Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 35-959 Rzeszow, Poland; (Ł.P.); (G.B.)
| | - Damian Mazur
- Faculty of Electrical and Computer Engineering, Rzeszow University of Technology, 35-959 Rzeszow, Poland
| | - Jacek Szczygielski
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
- Department of Neurosurgery, Faculty of Medicine, Saarland University, 66123 Saarbrücken, Germany
| | - Damian Filip
- Institute of Medical Science, University of Rzeszow, 35-959 Rzeszow, Poland;
| | - Robert Brodowski
- Department of Maxillofacial Surgery, Fryderyk Chopin Clinical Voivodeship Hospital No.1 in Rzeszow, 35-055 Rzeszow, Poland;
| | - Krzysztof Balawender
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
| | - Łukasz Przeszłowski
- Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 35-959 Rzeszow, Poland; (Ł.P.); (G.B.)
| | - Bogumił Lewandowski
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
- Department of Maxillofacial Surgery, Fryderyk Chopin Clinical Voivodeship Hospital No.1 in Rzeszow, 35-055 Rzeszow, Poland;
| | - Stanisław Orkisz
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
| | - Artur Mazur
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
| | - Grzegorz Budzik
- Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 35-959 Rzeszow, Poland; (Ł.P.); (G.B.)
| | - Józef Cebulski
- Institute of Physics, University of Rzeszow, 35-959 Rzeszow, Poland;
| | - Mariusz Oleksy
- Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszow, Poland;
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Elbardesy H, Yadav H, Rabea M, Guerin S, Harty J. Femoral head penetration in Vitamin-E polyethylene liner versus conventional liners in total hip arthroplasty: systematic review and meta-analysis of randomised control trials. SICOT J 2021; 7:47. [PMID: 34515633 PMCID: PMC8436949 DOI: 10.1051/sicotj/2021045] [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: 01/15/2021] [Accepted: 08/11/2021] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Debate encompasses the use of Vitamin E Polyethylene or conventional Polyethylene liner in primary hip arthroplasty. Does the Inclusion of Vitamin E in PE give adequate protection from oxidation and maintains lower rates of wear? PATIENTS AND METHODS We performed this study following the Preferred Reporting Items for Systematic Reviews and Meta-analyses Statement (PRISMA) and the Cochrane Handbook for systematic reviews and meta-analysis. Studies were included from any region, written in any language. We had only the randomised control trials comparing the femoral head penetration between Vitamin-E diffused highly cross-linked polyethylene (VEPE) liner and conventional liners in primary total hip arthroplasty. RESULTS We included 10 studies in this meta-analysis. We conducted them using Review Manager V.5.0. We computed the risk ratio to measure the treatment effect, considering the heterogeneity. We used Random-effect models. VEPE had insignificant marginal advantages for FHP within three months post-operative. Additionally, VEPE showed significantly less FHP after two and five years. After one year, it showed significantly less FHP with the VEPE group versus the UHMWPE cohort and a non-significant difference between the VEPE and XLPE group. CONCLUSIONS In terms of FHP, this metanalysis shows less FHP for the VEPE than conventional PE. A longer follow-up period is required to evaluate whether the oxidation protection gained by Vitamin E results in lower wear rates, less osteolysis, and aseptic loosening compared to the conventional PE in the long term.
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Affiliation(s)
- Hany Elbardesy
- Department of Trauma and Orthopaedic, Cork University Hospital, Wilton, Cork T12DFK4, Ireland
| | - Himanshu Yadav
- Department of Trauma and Orthopaedic, Cork University Hospital, Wilton, Cork T12DFK4, Ireland
| | - Mohamed Rabea
- Faculty of Pharmacy, Mansoura University, Mansoura 32216, Egypt
| | - Shane Guerin
- Department of Trauma and Orthopaedic, Cork University Hospital, Wilton, Cork T12DFK4, Ireland
| | - James Harty
- Department of Trauma and Orthopaedic, Cork University Hospital, Wilton, Cork T12DFK4, Ireland
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Khalifa AA, Farouk OA. Total hip arthroplasty periprosthetic infection management, the dilemma remains. JOURNAL OF MUSCULOSKELETAL SURGERY AND RESEARCH 2021; 5:139-141. [DOI: 10.25259/jmsr_85_2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Affiliation(s)
- Ahmed A. Khalifa
- Department of Orthopedics, Qena Faculty of Medicine and University Hospital, South Valley University, Qena,
| | - Osama A. Farouk
- Department of Orthopedics and Traumatology, Assiut University Hospitals, Assiut, Egypt,
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17
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Khalifa AA, Bakr HM, Farouk OA. Biomaterials and technologies in the management of periprosthetic infection after total hip arthroplasty: An updated review. JOURNAL OF MUSCULOSKELETAL SURGERY AND RESEARCH 2021; 5:142-151. [DOI: 10.25259/jmsr_51_2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Although total hip arthroplasty (THA) is considered one of the most efficacious procedures for managing various hip conditions, failures due to different mechanisms are still being reported. Periprosthetic joint infection (PJI) is one of the devastating causes of failure and revision of THA. PJI carries a burden on the patient, the surgeon, and the health-care system. The diagnosis and management of PJIs carry many morbidities and increased treatment costs. The development of PJI is multifactorial, including issues related to the patient’s general condition, the surgeon’s efficiency, surgical technique, and the implants used. Recent advances in the area of diagnosis and predicting PJI as well as introducing new technologies and biomaterials update for the prevention and treatment of PJI. Local implant coatings, advancement in the bearing surfaces technologies, and new technologies such as immunotherapy and bacteriophage therapy were introduced and suggested as contemporary PJI eradication solutions. In this review, we aimed at discussing some of the newly introduced materials and technologies for the sake of PJI control.
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Affiliation(s)
- Ahmed A. Khalifa
- Department of Orthopedics, Qena Faculty of Medicine and University Hospital, South Valley University, Qena, Egypt
| | - Hatem M. Bakr
- Department of Orthopedics and Traumatology, Assiut University Hospital, Assiut, Egypt,
| | - Osama A. Farouk
- Department of Orthopedics and Traumatology, Assiut University Hospital, Assiut, Egypt,
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18
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Bistolfi A, Giustra F, Bosco F, Sabatini L, Aprato A, Bracco P, Bellare A. Ultra-high molecular weight polyethylene (UHMWPE) for hip and knee arthroplasty: The present and the future. J Orthop 2021; 25:98-106. [PMID: 33994706 PMCID: PMC8102204 DOI: 10.1016/j.jor.2021.04.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 04/18/2021] [Indexed: 10/21/2022] Open
Abstract
PURPOSE to review advances and clinical performance of polyethylene in total joint arthroplasty, summing up historical problems and focusing on the latest innovations. METHODS search for medical grade Ultra-High-Molecular-Weight-Polyethylene (UHMWPE); Data Sources: PubMed, Scopus, Cochrane Library. RESULTS the increasing number of joint arthroplasties and high-activity patients led to progressive developments of bearing surfaces to improve performance and durability. Different strategies such as crosslinking UHMWPE (HXLPE) and the addition of vitamin-E (HXLPE) have been tested to improve wear and oxidation resistance. CONCLUSION Recent innovations about UHMWPE showed improvements either for hip and knee, with the potential of long-term survivorship.
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Affiliation(s)
- Alessandro Bistolfi
- Department of Orthopaedics, Traumatology and Rehabilitation, C.T.O. Hospital. AOU Città della Salute e della Scienza, Via Zuretti 29, 10126, Turin, Italy
| | - Fortunato Giustra
- Department of Orthopaedics, Traumatology and Rehabilitation, C.T.O. Hospital. AOU Città della Salute e della Scienza, Via Zuretti 29, 10126, Turin, Italy
| | - Francesco Bosco
- Department of Orthopaedics, Traumatology and Rehabilitation, C.T.O. Hospital. AOU Città della Salute e della Scienza, Via Zuretti 29, 10126, Turin, Italy
| | - Luigi Sabatini
- Department of Orthopaedics, Traumatology and Rehabilitation, C.T.O. Hospital. AOU Città della Salute e della Scienza, Via Zuretti 29, 10126, Turin, Italy
| | - Alessandro Aprato
- Department of Orthopaedics, Traumatology and Rehabilitation, C.T.O. Hospital. AOU Città della Salute e della Scienza, Via Zuretti 29, 10126, Turin, Italy
| | - Pierangiola Bracco
- Department of Chemistry and NIS (Nanostructured Interfaces and Surfaces) Center, University of Torino, 10125, Torino, Italy
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Influence of SBF-induced degradation on surface and tribological properties of irradiated GO/UHMWPE nanocomposites. IRANIAN POLYMER JOURNAL 2021. [DOI: 10.1007/s13726-020-00886-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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20
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Cheppalli N, Metikala S, Albertson BS, Yaw K. Plastics in Total Knee Replacement: Processing to Performance. Cureus 2021; 13:e12969. [PMID: 33654631 PMCID: PMC7913782 DOI: 10.7759/cureus.12969] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Polyethylene (PE) is the key component of total knee replacement (TKR). The wear of polyethylene, a common cause of revision surgeries, depends on multiple factors. The mechanical properties, wear characteristics, and oxidative resistance of PE can be manipulated by the techniques of processing, sterilization, and packaging methods. This article describes the making of conventional and cross-linked poly, packaging, sterilization, processing techniques, and a summary of commercially available plastics and their rationale in TKR including the latest advances.
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Affiliation(s)
- Naga Cheppalli
- Orthopaedics, Veteran Affairs (VA) Hospital/University of New Mexico Hospital, Albuquerque, USA
| | | | - Benjamin S Albertson
- Orthopaedics & Rehabilitation, University of New Mexico Health Sciences Center, Albuquerque, USA
| | - Kenneth Yaw
- Orthopaedics, New Mexico Veteran Affairs (VA) Health Care System, Albuquerque, USA
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21
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Massier JRA, Van Erp JHJ, Snijders TE, Gast ADE. A vitamin E blended highly cross-linked polyethylene acetabular cup results in less wear: 6-year results of a randomized controlled trial in 199 patients. Acta Orthop 2020; 91:705-710. [PMID: 32835560 PMCID: PMC8023918 DOI: 10.1080/17453674.2020.1807220] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [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 - Survivorship of total hip arthroplasty (THA) with the ultra-high molecular weight polyethylene (UHMWPE) monoblock cup has been limited due to periprosthetic osteolysis and aseptic loosening, secondary to wear of the UHMWPE. In response, a vitamin E blended highly cross-linked polyethylene (HXLPE) cup was developed. This study set out to compare the wear and clinical 6-year outcomes of vitamin E blended HXLPE with UHMWPE in an isoelastic monoblock cup in patients with hip osteoarthritis who underwent uncemented THA. The 2-year results have been reported previously. Patients and methods - For this randomized controlled trial 199 patients were included. 102 patients received the vitamin E blended HXLPE uncemented acetabular cup and 97 patients the uncemented UHMWPE monoblock cup. Clinical and radiographic parameters were obtained preoperatively, directly postoperatively, and at 3, 12, 24, and 72 months. Wear rates were compared using the femoral head penetration (FHP) rate. Results - 173 patients (87%) completed the 6-year follow-up. The mean NRS scores for rest pain, load pain, and patient satisfaction were 0.3 (SD 1), 0.6 (SD 1), and 8.6 (SD 1) respectively. The mean Harris Hip Score was 93 (SD 12). The FHP rate was lower in the vitamin E blended HXLPE cup (0.028 mm/year) compared with the UHMWPE cup (0.035 mm/year) (p = 0.002). No adverse reactions associated with the clinical application of vitamin E blended HXLPE were observed. 15 complications occurred, equally distributed between the two cups. The 6-year survival to revision rate was 98% for both cups. There was no aseptic loosening. Interpretation - This study shows the superior performance of the HXLPE blended with vitamin E acetabular cup with clinical and radiographic results similar to the UHMWPE acetabular cup.
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Affiliation(s)
- Julie R A Massier
- Clinical Orthopedic Research Center – mN, Zeist,Department of Orthopedic Surgery, Diakonessenhuis, Utrecht, the Netherlands
| | - Joost H J Van Erp
- Clinical Orthopedic Research Center – mN, Zeist,Department of Orthopedic Surgery, Diakonessenhuis, Utrecht, the Netherlands,Correspondence:
| | | | - Arthur DE Gast
- Clinical Orthopedic Research Center – mN, Zeist,Department of Orthopedic Surgery, Diakonessenhuis, Utrecht, the Netherlands
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Huang CH, Lu YC, Hsu LI, Liau JJ, Chang TK, Huang CH. Effect of material selection on tibial post stresses in posterior-stabilized knee prosthesis. Bone Joint Res 2020; 9:768-777. [PMID: 33135462 PMCID: PMC7649505 DOI: 10.1302/2046-3758.911.bjr-2020-0019.r2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Aims The material and design of knee components can have a considerable effect on the contact characteristics of the tibial post. This study aimed to analyze the stress distribution on the tibial post when using different grades of polyethylene for the tibial inserts. In addition, the contact properties of fixed-bearing and mobile-bearing inserts were evaluated. Methods Three different grades of polyethylene were compared in this study; conventional ultra high molecular weight polyethylene (UHMWPE), highly cross-linked polyethylene (HXLPE), and vitamin E-stabilized polyethylene (VEPE). In addition, tibial baseplates with a fixed-bearing and a mobile-bearing insert were evaluated to understand differences in the contact properties. The inserts were implanted in neutral alignment and with a 10° internal malrotation. The contact stress, von Mises stress, and equivalent plastic strain (PEEQ) on the tibial posts were extracted for comparison. Results The stress and strain on the tibial post for the three polyethylenes greatly increased when the insert was placed in malrotation, showing a 38% to 56% increase in von Mises stress and a 335% to 434% increase in PEEQ. The VEPE insert had the lowest PEEQ among the three materials. The mobile-bearing design exhibited a lower increase in stress and strain around the tibial posts than the fixed-bearing design. Conclusion Using VEPE for the tibial component potentially eliminates the risk of material permanent deformation. The mobile-bearing insert can help to avoid a dramatic increase in plastic strain around the tibial post in cases of malrotation. The mobility allows the pressure to be distributed on the tibial post and demonstrated lower stresses with all three polyethylenes simulated. Cite this article: Bone Joint Res 2020;9(11):768–777.
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Affiliation(s)
- Chang-Hung Huang
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan.,School of Dentistry, National Yang-Ming University, Taipei, Taiwan.,Institute of Geriatric Welfare Technology and Science, MacKay Medical College, New Taipei City, Taiwan
| | - Yung-Chang Lu
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medicine, MacKay Medical College, New Taipei City, Taiwan.,Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan
| | - Lin-I Hsu
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Physical Therapy and Assistive Technology, National Yang-Ming University, Taipei, Taiwan
| | - Jiann-Jong Liau
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Ting-Kuo Chang
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medicine, MacKay Medical College, New Taipei City, Taiwan.,Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan
| | - Chun-Hsiung Huang
- Department of Medicine, MacKay Medical College, New Taipei City, Taiwan.,Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Orthopaedic Surgery, Changhua Christian Hospital, Changhua, Taiwan
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23
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van Erp JHJ, Massier JRA, Halma JJ, Snijders TE, de Gast A. 2-year results of an RCT of 2 uncemented isoelastic monoblock acetabular components: lower wear rate with vitamin E blended highly cross-linked polyethylene compared to ultra-high molecular weight polyethylene. Acta Orthop 2020; 91:254-259. [PMID: 32098534 PMCID: PMC8023900 DOI: 10.1080/17453674.2020.1730073] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [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 - The long-term survival of arthroplasty components may be limited by polyethylene wear-related problems such as periprosthetic osteolysis and aseptic loosening. Highly cross-linked polyethylene (HXLPE) blended with vitamin E was introduced to improve oxidative stability and to avoid long-term embrittlement. This study clinically compares the tribological behavior and clinical outcome of vitamin E blended HXLPE with ultra-high molecular weight polyethylene (UHMWPE) in an isoelastic monoblock cup for uncemented total hip arthroplasty.Patients and methods - In this randomized controlled trial (RCT), 199 patients were included: 102 patients received the vitamin E blended HXLPE cup, 97 patients the UHMWPE cup. Clinical and radiographic parameters were obtained preoperatively, directly postoperative and at 3, 12, and 24 months. Wear rates were compared using the mean linear femoral head penetration (FHP) rate.Results - 188 patients (94%) completed the 2-year follow-up. Mean patient satisfaction was higher in the vitamin E blended HXLPE group (8.9 [1]) than in in the control group (8.5 [2], p = 0.03). The Harris Hip Score (HHS) was higher in the vitamin E blended HXLPE group (95 [8]) than in the control group (92 [11], p = 0.3). The FHP rate was lower in the vitamin E blended HXLPE group: 0.046 mm/year compared with 0.056 mm/year in the control group (p = 0.05). No adverse reactions associated with the clinical application of vitamin E blended HXLPE were observed during follow-up, with an excellent 2-year survival to revision rate of 98% for both cups.Interpretation - This study shows the superior performance of the HXLPE blended with vitamin E acetabular cup with lower linear femoral head penetration rates and better clinical results compared with the UHMWPE acetabular cup after 2 years.
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Affiliation(s)
- Joost H J van Erp
- Clinical Orthopedic Research Center—mN, Zeist, the Netherlands; ,Department of Orthopedic Surgery, Diakonessenhuis, Utrecht, the Netherlands,Correspondence::
| | - Julie R A Massier
- Clinical Orthopedic Research Center—mN, Zeist, the Netherlands; ,Department of Orthopedic Surgery, Diakonessenhuis, Utrecht, the Netherlands
| | - Jelle J Halma
- Clinical Orthopedic Research Center—mN, Zeist, the Netherlands;
| | - Thom E Snijders
- Clinical Orthopedic Research Center—mN, Zeist, the Netherlands;
| | - Arthur de Gast
- Clinical Orthopedic Research Center—mN, Zeist, the Netherlands; ,Department of Orthopedic Surgery, Diakonessenhuis, Utrecht, the Netherlands
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Langlois J, Hamadouche M. Recent update on crosslinked polyethylene in total hip arthroplasty. SICOT J 2020; 6:13. [PMID: 32412408 PMCID: PMC7227368 DOI: 10.1051/sicotj/2020013] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 04/23/2020] [Indexed: 02/02/2023] Open
Abstract
More than two decades after their clinical introduction, crosslinked polyethylenes (XLPE) have been widely adopted. Though concerns were initially raised regarding oxidation and brittleness, on a large scale, the first generation of XLPE continues to be highly effective 15 years after the surgery, even in a young and active population. Remelted XLPE might display lower wear rates than annealed XLPE. Second generation XLPEs, not only including sequentially irradiated and annealed but also associated with antioxidants, demonstrate encouraging short- to mid-term results. Registry data support clinical trial reports. Even in less favorable settings (lipped liners, dual mobility cups, revision surgery, hip resurfacing) results are promising. However, failures (fractures) have already been described. Therefore, a high level of surveillance remains crucial.
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Affiliation(s)
- Jean Langlois
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Centre Orthopédique Santy 24, avenue Paul Santy 69008 Lyon France
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Hôpital Privé Jean-Mermoz 55, avenue Jean-Mermoz 69008 Lyon France
| | - Moussa Hamadouche
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Département de Chirurgie Orthopédique, Université Paris-Descartes, Assistance Publique-Hôpitaux de Paris, Hôpital Cochin 27, rue du Faubourg Saint-Jacques 75014 Paris France
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Chang TK, Lu YC, Yeh ST, Lin TC, Huang CH, Huang CH. In vitro and in vivo Biological Responses to Graphene and Graphene Oxide: A Murine Calvarial Animal Study. Int J Nanomedicine 2020; 15:647-659. [PMID: 32099357 PMCID: PMC6996553 DOI: 10.2147/ijn.s231885] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 01/09/2020] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Graphene and its derivatives have recently gained popularity in the biomedical field. Previous studies have confirmed that both the mechanical strength and wear resistance of graphene-containing polyethylene have been greatly improved. Therefore, it is being considered as an alternative for artificial joint replacement liners. Based on the literature, the wear debris generated from the traditional polymers used for orthopedic liners could lead to particle-induced osteolysis and, consequently, failure of joint replacement. However, the biological response of this novel graphene-based polymer is still unclear. Therefore, the current study aimed to investigate the in vitro and in vivo biological effects of graphene and graphene oxide (GO) particles on bone. MATERIALS AND METHODS The biological responses of graphene and GO particles were tested via in vitro and murine calvarial in vivo models. In the in vitro model, murine macrophage cells were mixed with particles and hydrogel and printed into two differently designed scaffolds; the induced proinflammatory cytokines were then tested. In the murine in vivo model, the particle size distribution was measured via SEM, and these particles were then administrated in the calvarial area, referring to our established model. A micro-CT and histological analysis were performed to examine the biological effects of the particles on bone health. The data were analyzed via the one-way analysis of variance to determine the differences between the groups. RESULTS Both graphene and GO induced significantly higher TNF-α and IL-6 secretion compared with the control in the three-dimensional in vitro model. In the murine calvarial in vivo test, the graphene and GO particles increased the bone mass compared with the sham groups in the micro-CT analysis. Bone formation was also observed in the histological analysis. CONCLUSION In these in vivo and in vitro studies, the graphene and GO wear debris did not seem to induce harmful biological response effect to bone. Bone formation around the skull was observed in the calvarial model instead. Graphene-containing biomaterials could be a suitable new material for application in orthopedic prostheses due to their benefit of eliminating the risk of particle-induce osteolysis.
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Affiliation(s)
- Ting-Kuo Chang
- Department of Medicine, MacKay Medical College, New Taipei City, Taiwan
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, Taipei County, Taiwan
| | - Yung-Chang Lu
- Department of Medicine, MacKay Medical College, New Taipei City, Taiwan
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, Taipei County, Taiwan
| | - Shu-Ting Yeh
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, Taipei County, Taiwan
| | - Tzu-Chiao Lin
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, Taipei County, Taiwan
| | - Chun-Hsiung Huang
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, Taipei County, Taiwan
- Department of Orthopaedic Surgery, Changhua Christian Hospital, Changhua, Taiwan
| | - Chang-Hung Huang
- Department of Medicine, MacKay Medical College, New Taipei City, Taiwan
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, Taipei County, Taiwan
- Department of Dentistry, National Yang-Ming University, Taipei, Taiwan
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Fusini F, Aprato A, Massè A, Bistolfi A, Girardo M, Artiaco S. Candida periprosthetic infection of the hip: a systematic review of surgical treatments and clinical outcomes. INTERNATIONAL ORTHOPAEDICS 2019; 44:15-22. [DOI: 10.1007/s00264-019-04369-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 06/19/2019] [Indexed: 12/12/2022]
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