Estadísticas

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  "cita" => "Rev Esp Cir Ortop Traumatol. 2000;44:105-14"
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    "cita" => "Rev Esp Cir Ortop Traumatol. 2000;44:115-26"
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      "titulo" => "Mecanismos de resistencia bacteriana en la infección de implantes"
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          "titulo" => "Mechanisms of bacterial resistance in implant infection"
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    "cita" => "Rev Esp Cir Ortop Traumatol. 2000;44:91"
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      "titulo" => "Prótesis y recambios de cadera y rodilla"
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          "titulo" => "Primary and revision hip and knee arthroplasties"
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    "titulo" => "Desgaste del polietileno en prótesis de cadera y rodilla"
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        "titulo" => "Polyethylene wear in hip and knee prostheses"
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        "resumen" => "El fracaso de las artroplastias totales de cadera y rodilla debido al desgaste del polietileno de interposición, asociado o no a osteolisis periprotésica, es uno de los problemas que ha suscitado mayor interés en la comunidad ortopédica mundial en este fin de siglo. El gran beneficio que obtienen los pacientes y la sociedad de estas artroplastias se ve limitado, a medio y largo plazo, por un desgaste que fuerza al recambio protésico tras el fracaso del implante. Se ha desarrollado una intensa investigación en materiales durante esta última década, sobre todo en polietileno, por lo que es importante para todo cirujano ortopédico conocer la situación y tendencias actuales en este campo, así como las propuestas para el futuro. Se revisan los conceptos generales de desgaste del polietileno, la influencia de la fabricación y esterilización del material en su desgaste, las repercusiones del desgaste en el fracaso de las artroplastias, el desgaste en estudios de series clínicas y, por último, los esfuerzos actuales por disminuirlo."
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        "resumen" => "Failure of total hip and knee arthroplasties due to polyethylene wear, associated or not with periprosthetic osteolysis, is a problem that attracted much interest in the world orthopedic community at the end of the 20th century. The benefits of these prostheses to patients and society are limited by mid-term and long-term wear requiring replacement of a failed prostheses. Materials research in the last decade has been intense, particularly as regards polyethylene. It is important for orthopedic surgeons to be aware of the current situation, trends in this field, and proposals for the future. General concepts of polyethylene wear are reviewed, including the influence of material manufacture and sterilization on wear, the effect of wear on arthroplasty failure, wear in clinical series, and current efforts to reduce wear."
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