Abstract
Introduction
In Germany most surgical procedures of the ligaments of the knee and correcting osteotomies of the knees are performed within an inpatient setting. The purpose of this study was to analyze the available data to assess epidemiological trends and incidences in inpatient knee joint surgery.
Materials and methods
Approximately 154 million anonymized DRG inpatient records were collected by the German Federal Statistical Office between 2005 and 2013. These data were screened and analyzed for knee joint surgical ligamental procedures and osteotomies.
Results
Anterior cruciate ligament reconstruction (ACLR) or repair had a high incidence (46 per 100,000 persons/year). In addition, the most frequent grafts included hamstring tendon (90%) and the patellar tendon (6.3%) autografts (2013). Peak age group for ACLR was 15–20 years (14.5%) for female and 20–25 years (23.6%) for male patients, while there was a second peak in the age group 45–50 years (13.8%) for female patients. Male patients had a higher risk for receiving ACLR (RR 1.96; 95% CI 1.92–2.00) and for receiving valgizing high tibial osteotomy (RR 2.43; 95% CI 2.27–2.61). Females had a higher risk for receiving varizing distal femur osteotomy (RR 1.89; 95% CI 1.58–2.26).
Conclusion
There are growing trends for joint- and activity-preserving procedure in the middle-aged patients. The knowledge of the trends and incidences related to these procedures may help to validate and discuss the results of clinical and register studies.
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Acknowledgements
Christoph Domnick was supported by a research fellowship from the Faculty of Medicine, Westphalian Wilhelms University Muenster.
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Domnick, C., Garcia, P., Raschke, M.J. et al. Trends and incidences of ligament-surgeries and osteotomies of the knee: an analysis of German inpatient records 2005–2013. Arch Orthop Trauma Surg 137, 989–995 (2017). https://doi.org/10.1007/s00402-017-2704-0
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DOI: https://doi.org/10.1007/s00402-017-2704-0