Acute kidney injury after hip fracture surgery in patients over 80 years of age

Background The aim of the study is to determine the rate of acute kidney injury (AKI) after hip fracture surgery over the age of 80 and to investigate the factors associated with AKI. Methods From January 2015 to January 2020, 589 patients who underwent surgery of hip fractures at our institution were retrospectively reviewed. Serum creatinine (sCr) was analysed daily pre- and postoperatively during the hospital stay. Patients were divided into groups; AKI and non-AKI based on KDIGO (Kidney Disease Global Outcomes) criteria. The incidence, risk factors, and mortality of postoperative AKI were investigated. Results Out of 589 patients, 58 developed an AKI (9.8%). Smoking ( p : 0.004), pre and postoperative low albumin level ( p