8 out of 10 knee prostheses and 6 out of 10 hip prostheses today have a durability of 25 years or more. This is the result of two meta-analyses by experts from Bristol Medical School, which have now been published in the Lancet, reports the Ärzteblatt in its January blog post.
The Bristol Medical School study evaluated data from case series and register data. The results from case series are regarded as less reliable as they are often based on the experience of individual centres. The joint replacement registers that have been established in many countries in recent years avoid these distortions, as the aim is to cover all patients.
According to the data from the joint replacement registers, the 25-year durability of hip prostheses is 57.9%. It should be noted that the 25-year data are based on a single patient register (from Finland) only.
In the case of knee endoprostheses, the researchers distinguish between total endoprostheses (TKR) and unicondylar knee joint replacement (UKR). The register data showed a 25-year durability of TKR of 82.3% (81.3 to 83.2%) and of UKR of 69.8% (67.6 to 72.1%). Knee endoprostheses therefore have an overall longer durability than hip endoprostheses.
Further information on the German endoprostheses register can be found at https://idw-online.de/en/news710759
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Source:
Studie: Deutscher Ärzteverlag GmbH, Redaktion, Reinhardtstr. 34 · 10117 Berlin, Telefon: +49 (0) 30 246267 - 0, aerzteblatt@aerzteblatt.de, www.aerzteblatt.de/nachrichten/;
Endoprothesesn-Register: Susanne Herda, Swetlana Meier, Presse- und Öffentlichkeitsarbeit, Deutsche Gesellschaft für Orthopädie und Orthopädische Chirurgie (DGOOC) e.V., Straße des 17. Juni 106-108, 10623 Berlin, Telefon: +49 (0)30 340 60 36 -06 oder -00, E-Mail: presse@dgou.de, www.dgou.de
