2023
DOI: 10.3390/polym15030568
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European Database of Explanted UHMWPE Liners from Total Joint Replacements: Correlations among Polymer Modifications, Structure, Oxidation, Mechanical Properties and Lifetime In Vivo

Abstract: This contribution lays the foundation for the European database of explanted UHMWPE liners from total joint replacements. Three EU countries (Czech Republic, Italy and Spain) have joined their datasets containing anonymized patient data (such as age and BMI), manufacturer data (such as information on UHMWPE crosslinking, thermal treatment and sterilization), orthopedic evaluation (such as total duration of the implant in vivo and reasons for its revision) and material characterization (such as oxidative degrad… Show more

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Cited by 9 publications
(4 citation statements)
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“…It has been reported that trans-vinylene groups are formed as a result of gamma irradiation, and these can be detected by FTIR spectroscopy as a weak peak at around 965 cm -1 [ 13 , 14 , 17 , 22 , 24 , 25 ]. In addition, it is possible for vinyl groups to convert to vinylidene groups during irradiation while giving the absorption signal at around 913 cm -1 which belongs to the C-H bending vibration of vinylidene [ 24 , 26 , 27 ]. The increase in absorption from 1700–1740 belongs to oxidation products with carbonyl (-C = O) functional groups [ 27 ] formed during the oxidation chain reactions.…”
Section: Resultsmentioning
confidence: 99%
“…It has been reported that trans-vinylene groups are formed as a result of gamma irradiation, and these can be detected by FTIR spectroscopy as a weak peak at around 965 cm -1 [ 13 , 14 , 17 , 22 , 24 , 25 ]. In addition, it is possible for vinyl groups to convert to vinylidene groups during irradiation while giving the absorption signal at around 913 cm -1 which belongs to the C-H bending vibration of vinylidene [ 24 , 26 , 27 ]. The increase in absorption from 1700–1740 belongs to oxidation products with carbonyl (-C = O) functional groups [ 27 ] formed during the oxidation chain reactions.…”
Section: Resultsmentioning
confidence: 99%
“…Ultra-high molecular weight polyethylene (UHMWPE) is an engineering polymer that was launched in THA in the middle of the 1960s as a replacement for the unsuccessful PTFE [ 56 ]. It has become the most often used bearing material with ceramic or metallic counter surfaces dedicated to THA [ 32 , 54 , 57 , 58 , 59 ].…”
Section: Bearing Surfaces and Biomaterials Used In Primary Total Hip ...mentioning
confidence: 99%
“…It is concerning how often THA fails over time because of wear problems that shorten UHMWPE’s longevity, and the release of polyethylene particles may result in peri-implant osteolysis and aseptic loosening. UHMWPE wear is one of the most serious post-surgical concerns and the development of UHMWPE is essential for prolonging survival time after THA [ 17 , 18 , 56 , 59 , 61 , 62 , 63 , 64 , 65 ].…”
Section: Bearing Surfaces and Biomaterials Used In Primary Total Hip ...mentioning
confidence: 99%
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