Alessandro Bistolfi1, Fortunato Giustra1, Francesco Bosco1, Luigi Sabatini1, Alessandro Aprato1, Pierangiola Bracco2, Anuj Bellare3. 1. Department of Orthopaedics, Traumatology and Rehabilitation, C.T.O. Hospital. AOU Città della Salute e della Scienza, Via Zuretti 29, 10126, Turin, Italy. 2. Department of Chemistry and NIS (Nanostructured Interfaces and Surfaces) Center, University of Torino, 10125, Torino, Italy. 3. Polymerix LLC, Boston, MA, 02134, USA.
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.
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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