• Saverio Benedetti, Maria Donata Benedetti, Domenico Tomasi, Giulia Palmisano, Stefano Calcagno, Simone Bianchi, and Gianfranco Giannasi.
• Emergency Department, San Giovanni di Dio Hospital, U.O. Medicina d'Urgenza, Azienda Ospedaliera Toscana Centro, Florence, Italy. saverio76@yahoo.com.
• Intern Emerg Med. 2024 Mar 1; 19 (2): 523534523-534.

AbstractMild traumatic brain injury (mTBI) is a common cause of admission to the Emergency Department (ED). Many patients are elderly on oral anticoagulant therapy (OAT) at increased risk of immediate and delayed intracranial hemorrhage (ICH). To investigate the frequency of delayed ICH (DICH) in old patients with mTBI in OAT and the occurrence of complications related to the ED stay. In this single-center retrospective study, we recruited all patients in OAT aged 65 and over, admitted for mTBI to the ED of our Hospital in Florence from March 2019 to February 2021. Clinical variables were collected and cranial computed tomography (CT) scans reviewed. The primary outcome was the frequency of DICH occurring within 30 days since the trauma after a first negative CT. Secondary outcomes included need of neurosurgical intervention and death for DICH, and hospital-related complications. Statistical analyses were conducted using IBM SPSS Statistics (version 22). Among 363 enrolled patients, there were 31 acute ICH (8.5%) at the first CT scan, while in the 316 negative included patients, 10 DICH (3.2%) were identified. Among the latter, no neurosurgical treatment, or death due to ICH occurred. Overall, 25 cases (6.9%) had iatrogenic complications during the 24-h observation period, often serious, such as respiratory failure after sedation due to restlessness, or COVID-19 infection. The low frequency of DICH and the occurrence of several iatrogenic complications suggest that the risk-benefit ratio of a 24-h ED observation is not advantageous in elderly with mTBI.© 2023. The Author(s), under exclusive licence to Società Italiana di Medicina Interna (SIMI).

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