Tom R. Marotta

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BACKGROUND The effects of induced hypertension (IH) on cerebral perfusion after subarachnoid hemorrhage (SAH) are unclear. The objectives of this investigation are to: (1) determine whether there are differences in cerebral blood flow (CBF), cerebral blood volume (CBV), and mean transit time (MTT) measured with computed tomography perfusion (CTP) before and(More)
BACKGROUND AND PURPOSE Patients are classically at risk of delayed cerebral ischemia (DCI) after aneurysmal subarachnoid hemorrhage. We validated a grading scale-the VASOGRADE-for prediction of DCI. METHODS We used data of 3 phase II randomized clinical trials and a single hospital series to assess the relationship between the VASOGRADE and DCI. The(More)
Aneurysmal subarachnoid haemorrhage is a neurological syndrome with complex systemic complications. The rupture of an intracranial aneurysm leads to the acute extravasation of arterial blood under high pressure into the subarachnoid space and often into the brain parenchyma and ventricles. The haemorrhage triggers a cascade of complex events, which(More)
A neurysmal subarachnoid hemorrhage (SAH) is a disease with significant mortality and a high number of patients remaining in a dependent state. 1,2 Clinical outcomes are influenced by patient characteristics (ie, initial neurological examination, age, comorbidities), 3 hemorrhage severity (ie, amount and thickness of blood on initial computed tomogra-phy(More)
An unusual fracture of the axis was best displayed using three-dimensional reconstruction. The fracture was noted to differ significantly from the usual "hangman's fracture" as it involved the body of C2 with subluxation of the anterior part of C2 forward on C3 and without "decompression" of the spinal canal at the C2 level. Better understanding made(More)
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