It was not a hip fracture – you were lucky this time – or perhaps not! A prospective study of clinical outcomes in patients with low-energy pelvic fractures and hip contusions

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IntroductionPrehospital and hospital emergency care guidelines have been developed for patients with suspected hip fracture. Initial radiography can identify a number of patients with other injuries, generally pelvic fractures and hip contusions. Little is known about the prognosis for these patients.The aim of this study is twofold: i) to investigate the injury pattern of patients assessed in prehospital emergency care as suffering from a suspected hip fracture and ii) to compare clinical outcomes between patients with verified hip fracture (HF) and those with other hip injuries (OHI). MethodThe study design was prospective. Older patients with suspected HF after low-energy trauma were identified in prehospital emergency care. Injury type was determined by radiological imaging. Comparisons of length of stay, adverse events, repeated prehospital emergency care and mortality were made between verified HF and OHI cases. Results449 patients were included, 400 in the HF and 149 in the OHI group (86 hip contusions, 46 pelvic fractures and 17 other injuries/diseases). The HF group had a significantly longer hospital stay (9.5 days vs. 6.3 for the OHI group; p < 0.001) and more adverse events while in hospital (34% vs. 19%; p < 0.001). We found no evidence that the groups differed with regard to other outcomes: mortality during hospital stay (4% vs. 2%, p = 0.42), at 4 (16% vs. 13%; p = 0.35) and 12 months (21 vs. 23%; p = 0.64), the proportion that experienced an adverse event (24% vs. 22%; p = 0.65) and the proportion that required another ambulance transport within 6 months after discharge (40% vs. 34%; p = 0.16). The results were not strongly affected by adjustments for possible confounders. ConclusionOlder patients who suffer a low-energy pelvic fracture or a hip contusion are common in prehospital and hospital emergency care. These patients need attention as they have poor outcomes in terms of adverse events, mortality and recurrent need for ambulance transport after discharge from hospital. While individualized multidisciplinary care is recommended for hip fracture patients, it might also be suitable for other geriatric hip injuries.