• Yusuke Sasabuchi, Hiroki Matsui, Alan Kawarai Lefor, Kiyohide Fushimi, and Hideo Yasunaga.
• Data Science Center, Jichi Medical University, 3311-1, Yakushiji, Shimotsuke-city, Tochigi, Japan; Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Tokyo, Japan. Electronic address: sasabuchi-tky@umin.ac.jp.
• Injury. 2018 Oct 1; 49 (10): 1848-1854.

IntroductionAlthough early surgery for elderly patients with hip fracture is recommended in existing clinical guidelines, the results of previous studies are inconsistent. The aim of this study was to compare postoperative outcomes of early and delayed surgery for elderly patients with hip fracture.Materials And MethodsIn this retrospective study using a national inpatient database in Japan, patients aged 65 years or older who underwent surgery for hip fracture between July 2010 and March 2014 were included. Early surgery was defined as surgery on the day or the next day of admission. Assessed outcomes included death within 30 days and hospital-acquired pneumonia.ResultsIn this cohort, 47,073 (22.5%) patients underwent surgery for hip fractures within two days of admission (early surgery group) and 161,805 (77.5%) underwent surgery for hip fractures thereafter (delayed surgery group). Early surgery was significantly associated with lower odds for hospital-acquired pneumonia (odds ratio, 0.42; 95% confidence interval, 0.25-0.69) and pressure ulcers (odds ratio, 0.56, 95%CI: 0.33-0.96, p = 0.035), but was not associated with 30-day mortality (odds ratio, 0.96; 95% confidence interval, 0.49-1.86) or pulmonary embolism (odds ratio, 1.62, 95%CI: 0.58-4.52, p = 0.357).ConclusionsThese results support current guidelines, which recommend early surgery for elderly hip fractures patients.Copyright © 2018 Elsevier Ltd. All rights reserved.

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