Results 21 to 30 of about 99,917 (354)
Vertebrobasilar insufficiency due to subclavian-vertebral artery steal
Liječnički vjesnik, 2023 Subclavian-vertebral artery steal is an occurrence of a retrograde blood flow in the ipsilateral vertebral artery when an occlusion or hemodynamically significant stenosis of the subclavian artery proximal to the origination of the vertebral artery ...
Marina Nađ +2 more
doaj +1 more source
A formal theory for spatial representation and reasoning in biomedical ontologies [PDF]
, 2006 Objective: The objective of this paper is to demonstrate how a formal spatial theory can be used as an important tool for disambiguating the spatial information embodied in biomedical ontologies and for enhancing their automatic reasoning capabilities ...
Bittner, Thomas +2 more
core +2 more sources
Quantitative Assessment of the Anatomical Footprint of the C1 Pedicle Relative to the Lateral Mass: A Guide for C1 Lateral Mass Fixation [PDF]
, 2017 Study Design: Anatomic study. Objectives: To determine the relationship of the anatomical footprint of the C1 pedicle relative to the lateral mass (LM). Methods: Anatomic measurements were made on fresh frozen human cadaveric C1 specimens: pedicle width ...
Byers, Robert H. +6 more
core +2 more sources
Aberrant Origin of Vertebral Artery and its Clinical Implications
Brazilian Journal of Cardiovascular Surgery, 2016 Aberrant origin of vertebral artery is rare. The anatomical features and clinical significance of this lesion remain to be clarified. A comprehensive collection of the pertinent literature resulted in a cohort of 1286 cases involving 955 patients and 331
Shi-Min Yuan
doaj +1 more source
Interdisciplinary Neurosurgery, 2020 Recanalization of a completely occluded vertebral artery, which involves ruptured vertebral dissecting aneurysm, to a normal configuration is rare. Here we report the case of a recanalized vertebral artery dissecting aneurysm in a 51-year-old woman that ...
Seung Soo Kim +8 more
doaj +1 more source
Stroke: Vascular and Interventional Neurology, 2023 Introduction Vertebral artery asymmetry due to hypoplasia or early termination is common in the general population with 50% left dominance, 25% right dominance, and 25% codominance.
Abdallah Amireh +7 more
doaj +1 more source
Extracranial Vertebral Artery Aneurysm Presenting as a Chronic Cervical Mass Lesion
Case Reports in Medicine, 2010 Background. Aneurysms of the extracranial vertebral artery are rare and can provide a diagnostic and therapeutic challenge. Methods. We reviewed the clinical history of a patient presenting with cervical radiculopathy, who harboured an extracranial ...
Lampis C. Stavrinou +4 more
doaj +1 more source
Vertebral-carotid transposition can treat various diseases
Vascular Investigation and Therapy, 2020 Vertebral-carotid transposition (VCT), which is a treatment of vertebral artery stenosis, has excellent long-term efficacy. VCT can also be suitable for various situations where the blood supply of the vertebral artery must be reconstructed.
Yuanrui Gu +3 more
doaj +1 more source
MRI and clinical characteristics of suspected cerebrovascular accident in nine cats [PDF]
, 2017 Objectives Cerebrovascular accidents (CVAs) are infrequently reported in cats. To date, clinical characteristics, including lesion localisation and MRI findings, have only been reported in two cats.
Beltran, E, Drees, R, Wittaker, D E
core +2 more sources
Direct Damage to a Vertebral Artery Better Predicts a Vertebral Artery Injury than Elongation in Cervical Spine Dislocation [PDF]
, 2017 Cervical spine dislocation and fracture of a transverse process are isolated risk factors for vertebral artery injuries (VAIs), which can cause a life-threatening ischemic stroke.
Chikuda, Hirotaka +6 more
core +1 more source