Definition of delayed cerebral ischemia after aneurysmal subarachnoid hemorrhage as an outcome event in clinical trials and observational studies: proposal of a …

…, JP Muizelaar, AD Mendelow, S Juvela, H Yonas… - Stroke, 2010 - Am Heart Assoc
Background and Purpose—In clinical trials and observational studies there is considerable
inconsistency in the use of definitions to describe delayed cerebral ischemia (DCI) after …

Comparative overview of brain perfusion imaging techniques

…, T Nariai, G Zaharchuk, JM Caillé, V Dousset, H Yonas - Stroke, 2005 - Am Heart Assoc
Background and Purpose— Numerous imaging techniques have been developed and applied
to evaluate brain hemodynamics. Among these are positron emission tomography, single …

Guidelines and recommendations for perfusion imaging in cerebral ischemia: a scientific statement for healthcare professionals by the writing group on perfusion …

RE Latchaw, H Yonas, GJ Hunter, WTC Yuh, T Ueda… - Stroke, 2003 - Am Heart Assoc
Anumber of techniques have been developed during the past four decades to evaluate
cerebral perfusion. The oldest used 133Xe, a lipophilic radioactive tracer that easily diffuses …

Guidelines for the early management of patients with acute ischemic stroke: a guideline for healthcare professionals from the American Heart Association/American …

…, DR Summers, DZ Wang, M Wintermark, H Yonas - Stroke, 2013 - Am Heart Assoc
… Nicardipine 5 mg/h IV, titrate up by 2.5 mg/h every 5–15 minutes, maximum 15 mg/… Nicardipine
5 mg/h IV, titrate up to desired effect by 2.5 mg/h every 5–15 minutes, maximum 15 mg/h

Very early hypothermia induction in patients with severe brain injury (the National Acute Brain Injury Study: Hypothermia II): a randomised trial

…, KR Smith, JH Schmidt, JN Scott, H Yonas… - The Lancet …, 2011 - thelancet.com
Background The inconsistent effect of hypothermia treatment on severe brain injury in
previous trials might be because hypothermia was induced too late after injury. We aimed to …

Increased stroke risk predicted by compromised cerebral blood flow reactivity

H Yonas, HA Smith, SR Durham, SL Pentheny… - Journal of …, 1993 - thejns.org
✓ The authors sought to determine risk for stroke in individuals with symptomatic carotid
stenosis or occlusion based upon an assessment of cerebral blood flow (CBF) reserves. …

Acute regional cerebral blood flow changes caused by severe head injuries

DW Marion, J Darby, H Yonas - Journal of neurosurgery, 1991 - thejns.org
✓ To evaluate the changes in cerebral blood flow (CBF) that occur immediately after head
injury and the effects of different posttraumatic lesions on CBF, 61 CBF studies were obtained …

[HTML][HTML] Compromised cerebral blood flow reactivity is a predictor of stroke in patients with symptomatic carotid artery occlusive disease

…, DL Steed, HA Smith, DW Johnson, H Yonas - Journal of vascular …, 1995 - Elsevier
Purpose: The purpose of this study was to determine whether the hemodynamic consequences
of extracranial carotid disease correlate with the risk of subsequent cerebral infarction. …

Dissecting intracranial aneurysms.

H Yonas, D Agamanolis, Y Takaoka, RJ White - Surgical neurology, 1977 - europepmc.org
The clinical, operative and pathological characteristics of a dissecting aneurysm of the
vertebral artery are presented. A review of the literature suggests that this type of intracranial …

Hyperthermia in the neurosurgical intensive care unit

MM Kilpatrick, DW Lowry, AD Firlik, H Yonas… - …, 2000 - journals.lww.com
OBJECTIVE: In patients with traumatic or ischemic brain injury, hyperthermia is thought to
worsen the neurological injury. We studied fever in the neurosurgical intensive care unit (ICU) …