• C M Müller-Mai, U S Schulze Raestrup, T Kostuj, G Dahlhoff, C Günster, and R Smektala.
• Klinik für Orthopädie und Unfallchirurgie, Klinikum Lünen, Altstadtstraße 23, 44534, Lünen, Deutschland, ou@klinikum-luenen.de.
• Unfallchirurg. 2015 Sep 1; 118 (9): 780-94.

BackgroundProximal femur fractures are common and treatment is expensive. The aim of the present study was - after matching of hospital and health insurance data - to evaluate the influence of early operation on certain outcome parameters. Data from a German health insurance were used to identify then influence of the day of operation after admittance on the rate of mortality, decubitus, and revision surgery during the hospital stay and on the care level of the patients up to 1 year and in some cases longer after operation.Materials And MethodsIn all, 7905 patients were included. The descriptive data, specifying the given population, described the hospital stay (occurrence, surgical procedures, early complications, secondary diagnoses, length of stay) and the course of patient recovery up to 1 year after the hospital stay (care level, late complications). The calculated data (analytical statistics) give correlations evaluating the influence of the length of the preoperative hospital stay on the outcome parameters mentioned above. Risk adjustment was performed by using secondary diagnoses.ResultsThe study included more women (mean age 81.5 years). Most common was the femoral neck fracture. Of the operations 77% were carried out on the first day after admission; dominating procedures were intramedullary nails and prostheses. Most common secondary diagnoses were diabetes, dementia, ischemic heart disease, and chronic heart insufficiency. Descriptive data revealed 6% early as well as late complications. In all, 50% of patients had a higher care level after operation. Almost 40% of patients changed from outpatient care to inpatient care. The time interval between admission and operation negatively influenced all outcome parameters. The relative risk to die, to develop decubitus, or to receive early revision was increased by approximately one third when patients were operated on later than the first day after admission. A total of 3172 patients died during the study period. Mortality after operation reached 9.9% within 30 days and 26.9% at 1 year. The mortality of patients operated after the first day was increased by more than 6% compared to patients treated within the first 24 h.ConclusionThe present study clearly presents the importance of analysis of routine records after discharge and it demonstrates that longer periods up to 1 year and more can be evaluated. The data show that a longer time period between hospital admission and operation negatively influences all outcome parameters. The care data give impressive evidence for a significant loss of quality of life and the importance of intense postoperative rehabilitation.

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