Risk factors associated with treatment of hyperactive postoperative delirium in elderly patients following hip fracture surgery under regional anesthesia: a nationwide population-based study

Abstract Background and objectives: Delirium is common but is frequently undetected by clinicians, despite the fact that it can be life-threatening. This study aimed to identify the incidence of delirium and the preoperative factors associated with perioperative use of drugs to treat hyperactive delirium in elderly patients who underwent hip fracture surgery under regional anesthesia. Methods: We retrospectively reviewed records of all patients ≥ 65 years of age who had undergone hip-fracture surgery under regional anesthesia, covered by the Korean National Health Insurance, between Januar...

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