Results 31 to 40 of about 52,741 (356)

Extended endoscopic endonasal transsphenoidal approach to the suprasellar area: Anatomic considerations - Part I [PDF]

open access: yes, 2008
INTRODUCTION: Interest in using the extended endonasal transsphenoidal approach for management of suprasellar lesions, with either a microscopic or endoscopic technique, has increased in recent years.
CAPPABIANCA, PAOLO   +8 more
core   +1 more source

Minor stroke due to large artery occlusion. When is intravenous thrombolysis not enough? Results from the SITS International Stroke Thrombolysis Register [PDF]

open access: yes, 2017
Purpose: Beyond intravenous thrombolysis, evidence is lacking on acute treatment of minor stroke caused by large artery occlusion. To identify candidates for additional endovascular therapy, we aimed to determine the frequency of non-haemorrhagic ...
Ahmed, Niaz   +11 more
core   +1 more source

Inner-Ear Symptom May Herald Basilar Artery Occlusion

open access: yesCase Reports in Neurology, 2021
A 75-year-old Japanese man suddenly experienced right cochlear and vestibular dysfunction. Basilar artery occlusion and silent right cerebellar infarction were identified 3 days later.
Yosuke Aiba   +3 more
doaj   +1 more source

Are you suffering from a large arterial occlusion? Please raise your arm! [PDF]

open access: yes, 2018
Background and purpose: Triage tools to identify candidates for thrombectomy are of utmost importance in acute stroke. No prognostic tool has yet gained any widespread use.
Abdul-Rahim, Azmil H.   +11 more
core   +1 more source

Variations of Persistent Trigeminal Artery Terminating in the Anterior Inferior Cerebellar Artery: A Case Report

open access: yes대한영상의학회지, 2016
Persistent trigeminal artery (PTA) is a rare condition that represents a remnant fetal anastomosis between the carotid artery and basilar artery. PTA typically arises from precavernous portion of the internal carotid artery (ICA) to the basilar artery ...
Yeong Uk Hwang   +3 more
doaj   +1 more source

Tetrahydrobiopterin analogues with NO-dependent pulmonary vasodilator properties [PDF]

open access: yes, 2011
Reduced NO levels due to the deficiency of tetrahydrobiopterin (BH4) contribute to impaired vasodilation in pulmonary hypertension Due to the chemically unstable nature of BH4 it was hypothesised that oxidatively stable analogues of BR, would be able to ...
Gibson, Colin   +4 more
core   +1 more source

The morphology of circulus arteriosus cerebri in the red squirrel (Sciurus vulgaris)

open access: yesVeterinární Medicína, 2008
In this study, the circulus arteriosus cerebri of the squirrel was investigated. Ten squirrel were used. Coloured latex was given from left ventriculi of the all squirrels. Circulus arteriosus cerebri was examined after the dissection was made.
A. Aydin
doaj   +1 more source

The 'Sphere': A Dedicated Bifurcation Aneurysm Flow-Diverter Device. [PDF]

open access: yes, 2014
We present flow-based results from the early stage design cycle, based on computational modeling, of a prototype flow-diverter device, known as the 'Sphere', intended to treat bifurcation aneurysms of the cerebral vasculature.
Cornhill, JF   +4 more
core   +1 more source

Characteristics of basilar artery atherosclerotic plaques in pontine infarctions: A high-resolution magnetic resonance imaging study

open access: yesCerebral Circulation - Cognition and Behavior, 2021
Objective: This study used a 3.0T high-resolution magnetic resonance imaging approach to explore basilar artery plaque characteristics in patients suffering from acute isolated pontine infarction.
Siqin Liu   +6 more
doaj   +1 more source

Cerebral hemodynamic characteristics of acute mountain sickness upon acute high-altitude exposure at 3,700 m in young Chinese men. [PDF]

open access: yes, 2014
PURPOSE: We aimed at identifying the cerebral hemodynamic characteristics of acute mountain sickness (AMS). METHODS: Transcranial Doppler (TCD) sonography examinations were performed between 18 and 24 h after arrival at 3,700 m via plane from 500 m (n ...
Bian, Shi-Zhu   +8 more
core   +2 more sources

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