![]() These veins rupture due to shearing forces when there is a sudden change in the velocity of the head. Subdural hemorrhages are believed to be due to stretching and tearing of bridging cortical veins as they cross the subdural space to drain into an adjacent dural sinus. A history of head trauma is often absent or very minor. dural arteriovenous fistula).Ĭlinical presentation of subacute/chronic subdural in the elderly is often vague and is one of the classic causes of pseudodementia. anticoagulation medication, thrombocytopenia) or structural abnormality (e.g. Occasionally spontaneous acute subdural hematomas are seen with an underlying bleeding disorder (e.g. Most patients (65-80%) present with a severely depressed conscious state and pupillary abnormalities are seen in ~40% (range 30-50%) of cases 5. This is especially the case in young patients, where they commonly coexist with cerebral contusions. Glutaric aciduria type 1 13 (infants and children, rare)Īcute subdural hemorrhages usually present in the setting of head trauma. In addition to trauma, there are numerous other far less common causes: They are present in ~15% (range 10-20%) of all head trauma cases and occur in up to 30% of fatal injuries. Young adults: motor vehicle accidents, vascular lesionsĮlderly: falls (although a definite history of trauma may be lacking) (License: CC BY-NC-2.Subdural hematomas, most frequently due to trauma, are seen in all age groups although etiology will vary 4,5: Imaging for the diagnosis and management of traumatic brain injury. Chronic traumatic encephalopathy: clinical-biomarker correlations and current concepts in pathogenesis. Gandy S, Ikonomovic MD, Mitsis E, Elder G, Ahlers ST, Barth J, Stone JR, DeKosky ST. ![]() Pseudo-Froin’s syndrome, xanthochromia with high protein level of cerebrospinal fluid. Spontaneous intracranial hemorrhage in a patient with Middle East respiratory syndrome corona virus. Acute Spontaneous Subdural Hematoma due to Rupture of a Tiny Cortical Arteriovenous Malformation. HbSC Disease and Spontaneous Epidural Hematoma with Kernohan’s Notch Phenomena. Yogarajah M, Agu CC, Sivasambu B, Mittler MA.Improved Survival but More Survivors are Dependent on Others and Higher Risk of Unfavorable Outcomes (RESCUEicp and DECRA Trials).Exchange Parenchymal Pressure Monitor to External Ventricular Drain. ![]()
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