Neurocritical care
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Sympathetic nervous system hyperactivity is common after subarachnoid hemorrhage (SAH). We sought to determine whether uncontrolled prolonged heart rate elevation is a risk factor for adverse cardiopulmonary events and poor outcome after SAH. ⋯ PEHR is associated with major adverse cardiopulmonary events and poor outcome after SAH. Further study is warranted to determine if early sympatholytic therapy targeted at sustained heart rate control can improve outcome after SAH.
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To determine neurologic outcome in patients with out-of-hospital cardiac arrest (OHCA) and treatment with mild therapeutic hypothermia (MTH). ⋯ In patients treated with MTH after OHCA changes in NSE are more suitable than its absolute serum levels for the prediction of poor neurologic outcome. Since unequivocal prediction of poor neurologic outcome is of utmost importance in these patients the decision to limit therapy must be based on several prediction tools with the highest PPV and specificity including SSEPs.
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Review Case Reports
Sphenoid and Subdural Hemorrhage as a Presenting Sign of Ruptured Clinoid Aneurysm.
Aneurysm rupture presenting as an isolated or pure subdural hematoma (SDH) without subarachnoid hemorrhage is an extremely rare radiographic presentation. We present a case of a ruptured internal carotid artery aneurysm with a pure SDH and concurrent sphenoid sinus hemorrhage. ⋯ Acute subdural hematoma may be due to a ruptured clinoid carotid aneurysm. Acute hemorrhage into the sphenoid sinus can be an important clue.
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Multicenter Study Clinical Trial
Increased Brain Volume Among Good Grade Patients with Intracerebral Hemorrhage. Results from the Antihypertensive Treatment of Acute Cerebral Hemorrhage (ATACH) Study.
We ascertained the occurrence of global cerebral edema manifesting as increased brain volume in subjects with intracerebral hemorrhage (ICH) and explored the relationship between subject characteristics and three month outcomes. ⋯ We found preliminary evidence of increased cerebral brain volume in subjects with good grade and small ICHs, which may be suggestive of global cerebral edema.
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Review Case Reports
Artery of Percheron Infarction as an Unusual Cause of Coma: Three Cases and Literature Review.
Stroke due to occlusion of the artery of Percheron (AOP), an uncommon anatomic variant supplying the bilateral medial thalami, may raise diagnostic challenges and cause life-threatening symptoms. Our objective here was to detail the features and outcomes in three patients who required intensive care unit (ICU) admission and to review the relevant literature. ⋯ Bilateral paramedian thalamic stroke due to AOP occlusion can be life threatening. The early diagnosis relies on MRI with magnetic resonance angiography. Recovery of consciousness is usually rapid and mortality is low, warranting full-code ICU management.