Annual report 2019 of the Endoprostheses Register Germany (EPRD)

Some key figures:
  • 300,000 surgeries posted for the year 2018
  • 56% hip, 44 % knee endoprosthesis
  • 40% male, 60% female
  • median age with hip endoprosthesis 72 years
  • Operated knee patients are significantly heavier than the hip patients in relation to their body size
  • The share of fully cemented hip endoprostheses fell by 3% from 8.0% to 5.0% between 2014 and 2018, while the share of completely cementless anchorages rose continuously from 74.8% to 78.6%.
  • Most frequent reason for a follow-up operation: 29.8% loosening of prosthesis components
    Other common reasons for follow-up surgery are infection (15.2%), luxation (11.7%), periprosthetic fracture (10.9%) and implant wear (8.1%).
    The failure of implant components is mentioned in 1.8% of cases as the reason for the follow-up operation.
  • The failure rate for hip endoprostheses after 4 years is around 3-4%
  • Knee prostheses are in most cases cemented in Germany
  • The most frequent reason for follow-up surgery on the knee joint is loosening (25.0%)
    Other reasons are infections (14.7%), ligament instabilities (8.9%) and implant wear (5.7%).
    Implant failure is given in 2.0 as the reason for the procedure
  • The failure rate for knee endoprostheses after 4 years is around 7-8%
Author(s) Source
Executive Committee of the EPRD Deutsche Gesellschaft für Orthopädie und Orthopädische Chirurgie e.V. (german)
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