Results 1 to 10 of about 27,110 (219)

Proper ophthalmic artery aneurysms. [PDF]

Surg Neurol Int, 2023
Background: The ophthalmic segment of the internal carotid artery (ICA) represents a common site for cerebral aneurysms. However, aneurysms of the ophthalmic artery (OphA) itself represent rare lesions and have been associated with trauma and flow-related lesions such as arteriovenous fistulas or malformations.
Hendrix P, Bohan C, Dalal SS, Weiner GM, Kanmounye US, Schirmer CM, Goren O.   +6 more
europepmc   +3 more sources

Orbital apex syndrome and ophthalmic artery occlusion caused by acute sinusitis [PDF]

BMC Ophthalmology
Background Acute sinusitis is a common condition that rarely leads to severe complications like orbital apex syndrome and ophthalmic artery occlusion, which can cause significant vision loss and require prompt diagnosis and treatment. Case presentation A
Dan Liao, Xiaoli Yang, Rong Li
doaj   +2 more sources

Studies on the Effects of Hypercholesterolemia on Mouse Ophthalmic Artery Reactivity [PDF]

Diseases, 2023
Atherogenic lipoproteins may impair vascular reactivity, leading to tissue damage in various organs, including the eye. This study aimed to investigate whether ophthalmic artery reactivity is affected in mice lacking the apolipoprotein E gene (ApoE ...
Francesco Buonfiglio, Ning Xia, Can Yüksel, Caroline Manicam, Subao Jiang, Jenia Kouchek Zadeh, Aytan Musayeva, Eva Elksne, Norbert Pfeiffer, Andreas Patzak, Huige Li, Adrian Gericke   +11 more
doaj   +2 more sources

Ophthalmic artery originating from contralateral internal carotid artery associated with ipsilateral agenesis of internal carotid artery [PDF]

Radiology Case Reports
Congenital absence of the internal carotid artery is a rare anatomical variant. The primarily reported origins of the ophthalmic artery associated with this variant are the posterior communicating, middle cerebral, and external carotid arteries.
Takaki Hamada, Daisuke Itoh, Wataro Tsuruta, Satoshi Nakamura, Tomohiko Masumoto   +4 more
doaj   +2 more sources

Ophthalmic artery arising from the external carotid artery system: the middle meningeal artery in South African patients

BMC Ophthalmology, 2023
Background The ophthalmic artery is the first branch of the internal carotid artery. It arises from the supraclinoid segment of the internal carotid artery within the subarachnoid space and enters the orbit via the optic canal.
B.R Omotoso, R Harrichandparsad, L Lazarus   +2 more
doaj   +1 more source

Reversed ophthalmic artery flow in patients with acute ischemic stroke and ipsilateral significant extracranial carotid artery stenosis, and its effect in functional outcome

The Egyptian Journal of Neurology, Psychiatry and Neurosurgery, 2022
Background Cerebral hemodynamics and collateral circulation have an important role in determining stroke outcome, while the role of primary collateral is well known, the role of secondary collaterals including ophthalmic artery flow is still ...
Yosra Fahmy, Yousry Abo El Naga, Ahmed Hazzou, Shahinaz Helmy   +3 more
doaj   +1 more source

Ipsilateral Ophthalmic Artery Stenosis in Amaurosis Fugax: A Case Report

IJRETINA (International Journal of Retina), 2021
Introduction: Amaurosis fugax is caused by an abrupt reduction of blood flow to the retina. Determining the etiology of amaurosis fugax should ensure proper management. Case Report: A 47-year-old female patient who had the first episode of amaurosis
Referano Agustiawan, Ferdy Iskandar, Muhammad Ikhsan Mokoagow, Kanisius Kanovnegara, Firman Hendrik   +4 more
doaj   +1 more source

Imaging predictor of ophthalmic involvement in maxillary sinus cancer during super selective intra-arterial cisplatin infusion and concomitant radiotherapy (RADPLAT)

Head & Face Medicine, 2021
Objective To investigate the predictability of ophthalmic artery involvement in maxillary sinus cancer using preprocedural contrast enhanced CT and MRI.
Hirokazu Ashida, Takao Igarashi, Yosuke Nozawa, Yohei Munetomo, Takahiro Higuchi, Hideomi Yamauchi, Akira Baba, Yukiko Abe, Eiji Shimura, Hisashi Kessoku, Yukio Nishiya, Hiromi Kojima, Hiroya Ojiri   +12 more
doaj   +1 more source

Evaluation of vasomotor response in ophthalmic migraine patients [PDF]

Romanian Journal of Neurology, 2016
Introduction. Hemodynamic changes of the cerebral arteries in ophthalmic migraine may be an important pathophysiological mechanism of the disease. The nitric oxide (NO) synthesis plays a significant role in hemodynamic changes due to vasodilatation ...
Adriana Bulboaca, Corina Ursu, Angelo Bulboaca   +2 more
doaj   +1 more source

FIRST BRANCH OF OPHTHALMIC ARTERY AND ITS CLINICAL IMPORTANCE

İstanbul Tıp Fakültesi Dergisi, 2021
Objective: The ophthalmic artery and its branches have one of the most complex anatomy and embryology of all arteries. Although many studies have been done on its branches, different references have given different conclusions about the first branch of ...
Özcan Gayretli, Ayşin Kale, Osman Coşkun, Adnan Öztürk, Bülent Bayraktar   +4 more
doaj   +1 more source