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Introduction: Proximal humeral fractures (PHF) are among the most common adult fractures. However, valid epidemiologic population-based data, including differentiation of treatment modalities, are lacking.Materials and Methods: Using the ICD codes and associated OPS codes for PHF, a retrospective analysis of 2007-2016 Federal Statistical Office of Germany data was performed. Data were evaluated for total incidence of PHF as well as total use, annual utilization rates, age, and sex distributions of all associated surgical procedures. Simple linear regressions were performed to evaluate trends in treatment modalities.Results: There were 642,556 cases of PHF. During the study period, incidence changed substantially from 65.2 to 74.2 per 100,000 inhabitants with a significant rise in elderly (> 70 years) patients (P < 0.001). The number of surgical procedures increased by 39%, with locking plate fixation being the most common procedure (48.3%), followed by intramedullary nailing (IMN) (20.0%), hemiarthroplasty (HA) (7.5%), K-wire fixation (6.4%), and reverse shoulder arthroplasty (RSA) (5.6%). The utilization rate increased for locking plates, K-wires, and RSA and decreased for HA and IMN. Particularly, the utilization of RSA exhibited a  > eightfold increase. Significant linear correlation of procedure and time were found for all surgical treatments.Conclusions: During this period, the number of inpatient PHFs, especially in the elderly, increased. Although locking plate fixation remained the most common treatment method, RSA had the greatest proportional increase over time, supporting its growing popularity in the light of the current scientific evidence. This incline was offset by a corresponding decrease in HA and IMN, which may be related to a growing knowledge of their application limitations.Level Of Evidence: Descriptive epidemiology study, large database analysis. [ABSTRACT FROM AUTHOR]

Introduction: The field of shoulder endoprothetics has undergone a rapid development in the last years. The purpose of the study was to provide an overview of the development of shoulder arthroplasties in Germany from 2005 until 2012. This study hypothesized that the surgical procedures of the shoulder joint is still increasing and have not reached a plateau until 2012. Methods: Data of the German federal statistical office from 2005 until 2012 were analyzed to quantify hemiarthroplasty, anatomic total shoulder and reversed total shoulder arthroplasty rates depending on age, gender and main coded indications. Procedure codes and diagnosis were analyzed for each year. Comparative analyses were used to visualize the difference between the types of shoulder endoprostheses. Results: A total number of 139.272 shoulder arthroplasties were performed between 2005 and 2012. Total should arthroplasties have increased continuously until 2009. In 2009 more total shoulder arthroplasties have been performed than hemiprothesis implantations, which have culminated in 2008. All in all, women have been treated 3-fold higher than men regarding hemiarthroplasty, total shoulder arthroplasties or reversed total shoulder arthroplasties. Under the age of 60 years the majority of treated patients were male. Conclusion: Since 2005 shoulder arthroplasties are still increasing in Germany, whereas a slight reduction could be detected for shoulder hemiarthroplasty from 2009 up until 2012. Meanwhile total shoulder arthroplasties and reversed total shoulder arthroplasties are still increasing. Women have experienced a 3-fold higher hemiarthroplasty, total shoulder and reversed shoulder arthroplasties than men except for individual younger than 60 years. [ABSTRACT FROM AUTHOR]