• Ariel Kaen, Luis Jimenez-Roldan, Ignacio Arrese, Manuel Amosa Delgado, Pedro Gomez Lopez, Rafael Alday, José Fernández Alen, Alfonso Lagares, and Ramiro D Lobato.
• Department of Neurosurgery, Hospital 12 de Octubre, Madrid, Spain. kaenariel@hotmail.com
• J Trauma. 2010 Apr 1;68(4):895-8.

BackgroundSince 1999, the Italian guidelines have been used at our department for the management of patients with mild head injury (MHI). According to these guidelines, a computed tomography (CT) scan should be obtained in all patients with coagulopathy and these should routinely undergo strict observation during the first 24 hours after injury; in addition they should have a control CT scan before discharge. With the increased use of anticoagulant therapy in the elderly population, admitting patients in such treatment with a MHI to the emergency rooms has become very common. The aim of our study was to evaluate the need of performing a control CT scan in patients on anticoagulation treatment who showed neither intracranial pathology on the first CT-scan nor neurologic worsening during the observation period.MethodsWe prospectively analyzed the course of all patients on anticoagulation treatment consecutively admitted to our unit between October 2005 and December 2006 who suffered from a MHI and showed a normal initial CT scan. All patients underwent strict observation during the first 24 hours after admission and had a control CT scan performed before discharge.ResultsOne hundred thirty-seven patients were included in this study. Only two patients (1.4%) showed hemorrhagic changes. However, neither of them developed concomitant neurologic worsening nor needed admitting or surgery.ConclusionAccording with our data, patients on anticoagulation treatment suffering from MHI could be managed with strict neurologic observation without routinely performing a control CT scan that can be reserved for the rare patients showing new clinical symptoms.

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