Results 11 to 20 of about 165,980,973 (300)

Morphometric analysis of Willis circle arteries

Archives of Pharmacy Practice, 2013
Introduction: Willis arterial circle (circulus arteriosus cerebri Willisi) is the most important part of the collateral circulatory system of the brain. It functions in normal and pathological situations such as valvular mechanism and thus allows optimal
Alma Voljevica, Elvira Talovic, Esad Pepic, Amna Pleho Kapic   +3 more
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Prognostic analysis of endovascular mechanical thrombectomy in stroke patients with acute internal carotid artery obstruction based on circle of Willis variation [PDF]

Frontiers in Neurology
ObjectiveEndovascular mechanical thrombectomy (EVMT) is widely employed in patients with acute intracranial carotid artery occlusion (AIICAO). This study aimed to predict the outcomes of EVMT following AIICAO by utilizing anatomic classification of the ...
Tianlun Qiu, Huagang Luo, Wuqiao Bao
doaj   +2 more sources

Distribution of variations in anatomy of the circle of Willis: results of a cadaveric study of the Malawian population and review of literature

The Pan African Medical Journal, 2021
INTRODUCTION: The circle of Willis is an anatomical structure of clinical importance particularly in the evaluation of neurovascular diseases. Individuals show considerable variations in the anatomical configuration of the circle of Willis.
Charles Nyasa, Anthony Mwakikunga, Lackson, Dzamalala, Amadi Ogonda Ihunwo   +4 more
doaj   +1 more source

Function of Circle of Willis [PDF]

Journal of Cerebral Blood Flow & Metabolism, 2014
Nearly 400 years ago, Thomas Willis described the arterial ring at the base of the brain (the circle of Willis, CW) and recognized it as a compensatory system in the case of arterial occlusion. This theory is still accepted. We present several arguments that via negativa should discard the compensatory theory.
Brkić, Hrvoje, Vrselja, Zvonimir, Ćurić, Goran, Radić, Radivoje, Mrđenović, Stefan   +4 more
openaire   +4 more sources

Circle of Willis Configuration and Thrombus Localization Impact on Ischemic Stroke Patient Outcomes: A Systematic Review

Medicina, 2023
Background and Objectives: The published literature highlights the fact that the integrity of the Circle of Willis has a direct impact on stroke outcome, especially in cases of distal internal carotid T occlusion.
Audrius Širvinskas, Givi Lengvenis, Giedrius Ledas, Valerija Mosenko, Saulius Lukoševičius   +4 more
doaj   +1 more source

Progress on the correlation between circle of Willis and cerebral large and small vessel diseases

Chinese Journal of Contemporary Neurology and Neurosurgery, 2023
The circle of Willis constitutes the primary collateral circulation of the brain, exerting a significant influence on the distribution of intracranial blood flow.
FENG Lu, ZHU Yi⁃cheng
doaj   +1 more source

Analysis of the symmetric configuration of the circle of Willis in a series of autopsied corpses [PDF]

Vojnosanitetski Pregled, 2015
Introduction. The forming of the blood vessels network configuration at the base of the brain and interconnecting of blood vessels during the embryogenesis is directly related to the phylogenetic development of the brain and brain structures.
Stojanović Nebojša, Stefanović Ivica, Kostić Aleksandar, Mitić Radisav, Radisavljević Miša, Stojanov Dragan, Petrović Slađana   +6 more
doaj   +1 more source

Morphological patterns of the cerebral arterial circle of Willis: Implication in subjects with ischemic stroke

Journal of Associated Medical Sciences, 2023
Background: A stroke or cerebrovascular accident is associated with defects in the circle of Willis. The present research assessed whether differences in the anatomy of the circle of Willis were implicated in subjects affected by stroke.
Samson Omini Paulinus, Emmanuel Esien-umo, Blessing Samuel Ibe, Bassey Eyo Archibong, Eru Mba Eru, Akwa Erim Egom, Nneoyi Egbe, Anozeng Onyono Igiri   +7 more
doaj   +1 more source

Presence of anatomical variations of the circle of Willis in patients undergoing surgical treatment for ruptured intracranial aneurysms [PDF]

Vojnosanitetski Pregled, 2009
Background/Aim. The presence of aneurysmal changes on the brain blood vessels has been subject to numerous research. This study investigated the relation between ruptured aneurysms and anatomical configuration of the Circle of Willis, with the purpose to
Stojanović Nebojša, Stefanović Ivan, Ranđelović Saša, Mitić Rade, Bošnjaković Petar, Stojanov Dragan   +5 more
doaj   +1 more source

RNF213 p.R4810K (c.14429G > A) Variant Determines Anatomical Variations of the Circle of Willis in Cerebrovascular Disease

Frontiers in Aging Neuroscience, 2021
IntroductionDysregulation of the RING finger protein 213 (RNF213) gene impairs vascular formation in experimental animal models. In addition, vascular abnormalities in the circle of Willis are associated with cerebrovascular disease.
Futoshi Eto, Futoshi Eto, Takeshi Yoshimoto, Shuhei Okazaki, Shuhei Okazaki, Kunihiro Nishimura, Shiori Ogura, Shiori Ogura, Eriko Yamaguchi, Eriko Yamaguchi, Kazuki Fukuma, Satoshi Saito, Kazuo Washida, Masatoshi Koga, Kazunori Toyoda, Takaaki Morimoto, Takaaki Morimoto, Hirofumi Maruyama, Akio Koizumi, Akio Koizumi, Masafumi Ihara   +20 more
doaj   +1 more source