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Researchers around Arnd Steinbrueck, scientific study coordinator of the Endoprosthesis Register Germany (EPRD), have used these data to examine hospitals and clinics for the short-term failure probability of total hip and knee endoprostheses and found that high case numbers of a hospital require lower revision rates. A total endoprosthesis (TEP) is an artificial joint replacement in which the entire joint, i.e. the head and socket, are replaced. The study period for the study was between November 2012 and March 2019 and was based on 164,90 cementless total hip endoprostheses (HTEP) and 155,577 cemented total knee endoprostheses (KTEP). The study involved 656 hospitals, which were divided into three groups according to the number of corresponding endoprosthetic fittings. Hospitals were divided into categories of up to 250 surgical procedures, from 251 to 500 and over 500. The scientists concluded that hospitals with many surgical procedures on the knee and hip achieve better results and have lower revision rates than hospitals with less experience. Accordingly, the experience of a hospital has a decisive influence on the short-term probability of failure, with operations always consisting of different teams of surgeons, anaesthetists and other medical personnel. The change of manufacturer for HTEP and KTEP was also analyzed. Here, the scientists concluded that a change of manufacturer within a hospital causes a significant increase in the probability of revision. However, experienced surgical teams are also able to learn from their many years of experience and thus ensure good long-term results, as the journal „Der Orthopäde“ reports.

Source: Ärzteblatt