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Admission delay is associated with worse surgical outcomes for elderly hip fracture patients: A retrospective observational study

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Wei He1, Yue-yang You1, Kai Sun1, Chen Xie2, Yue Ming1, Li-na Yu1, Feng-jiang Zhang1, Min Yan1,2


1 Department of Anesthesiology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China


2 Jiangsu Province Key Laboratory of Anesthesiology, Jiangsu Province Key Laboratory of Anesthesia and Analgesia Application Technology, Xuzhou Medical University, Xuzhou 221004, China


Corresponding Author: Min Yan, Email: zryanmin@zju.edu.cn


© 2020 World Journal of Emergency Medicine


DOI: 10.5847/wjem.j.1920-8642.2020.01.004


BACKGROUND: The influence of surgical delay on mortality and morbidity has been studied extensively among elderly hip fracture patients. However, most studies only focus on the timing of surgery when patients have already been hospitalized, without considering pre-admission waiting time. Therefore, the present study aims to explore the influence of admission delay on surgical outcomes.

METHODS: In this retrospective study, we recorded admission timing and interval from admission to surgery for included patient. Other covariates were also collected to control confounding. The primary outcome was 1-year mortality. The secondary outcomes were 1-month mortality, 3-month mortality, ICU admission and postoperative pneumonia. We mainly used multivariate logistic regression to determine the effect of admission timing on postoperative outcomes. An additional survival analysis was also performed to assess the impact of admission delay on survival status in the first year after operation.

RESULTS: The proportion of patients hospitalized on day 0, day 1, day 2 after injury was 25.4%, 54.7% and 66.3%, respectively. And 12.6% patients visited hospital one week later after injury. Mean time from admission to surgery was 5.2 days (standard deviation 2.8 days). Hospitalization at one week after injury was a risk factor for 1-year mortality (OR 1.762, 95% CI 1.026–3.379, P=0.041).

CONCLUSION: Admission delay of more than one week is significantly associated with higher 1-year mortality. As a supplement to the current guidelines which emphasizes early surgery after admission, we also advocate early admission once patients get injured.

(World J Emerg Med 2020;11(1):27–32)


KEY WORDS: Geriatric; Hip fracture; Admission delay; Mortality; Complications

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