Abstract
BackgroundHip fracture in elderly patients is a serious health concern due to the associated morbidity and mortality. Although acute kidney injury after hip fracture is known to be a significantly poor prognostic factor for morbidity and mortality, the literature regarding the risk factors for acute kidney injury after hip fracture is insufficient. This study aimed to investigate the incidence and associated risk factors for acute kidney injury in patients with femoral neck fracture.MethodsA total of 248 patients who underwent an operation for femoral neck fracture between January 2011 and January 2015 were retrospectively analyzed. Acute kidney injury was defined according to the Kidney Disease: Improving Global Outcomes guidelines.ResultsThe incidence of acute kidney injury was 17.7% (n = 44). Risk factors for acute kidney injury included diabetes mellitus, pre-existing renal disease, preoperative blood urea nitrogen (BUN), preoperative estimated glomerular filtration rate (eGFR), preoperative haemoglobin (Hb) level, type of operation, postoperative creatinine level and intraoperative hypotension (P < 0.05). After controlling for confounding variables, intraoperative hypotension was only the independent risk factor for acute kidney injury (P = 0.012).ConclusionsAcute kidney injury was found to occur frequently after surgery for femur neck fracture. Surgeons should be aware of acute kidney injury when planning the management of patients with femoral neck fracture and consider that the duration of intraoperative hypotension is a risk factor for acute kidney injury.
Highlights
Hip fracture in elderly patients is a serious health concern due to the associated morbidity and mortality
We retrospectively reviewed 312 patients who underwent surgery for femoral neck fracture between January 2011 and January 2015
In a subgroup analysis according to the type of operation, including bipolar hemiarthroplasty (BH), total hip replacement (THR), and osteosynthesis, the prevalence of acute kidney injury (AKI) was significantly different (Fig. 1)
Summary
Hip fracture in elderly patients is a serious health concern due to the associated morbidity and mortality. Acute kidney injury after hip fracture is known to be a significantly poor prognostic factor for morbidity and mortality, the literature regarding the risk factors for acute kidney injury after hip fracture is insufficient. This study aimed to investigate the incidence and associated risk factors for acute kidney injury in patients with femoral neck fracture. Hip fracture in elderly patients is a serious health concern due to the associated morbidity and mortality [1,2,3,4]. Acute kidney injury (AKI) after hip fracture is known to be a significantly poor prognostic factor for morbidity and mortality. The purpose of this study was to investigate the incidence of and
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