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Topography of ischemic strokes in cancer-associated non-bacterial thrombotic endocarditis: A single-institution descriptive case series.
J Stroke Cerebrovasc Dis
December 2024
Department of Cardiovascular Diseases, Mayo Clinic, Rochester, MN, USA. Electronic address:
Background: Very limited data indicate that patients with stroke from cancer-associated NBTE (Ca-NBTE) exhibit a characteristic pattern of widely distributed ischemic lesions of varying sizes.
Methods: An electronic search of Mayo Clinic records (03/31/2002-06/30/2022) with ensuing manual review of brain magnetic resonance imaging (MRI) was performed to identify topographic characteristics of stroke from Ca-NBTE.
Results: In 112 patients with Ca-NBTE, 92 (82.
The Modified Trapping Technique for Pericallosal Artery Fusiform Aneurysm.
World Neurosurg
November 2024
Department of Neurosurgery, Stroke Center, Sapporo Teishinkai Hospital, Sapporo, Japan.
Article Synopsis
- * The Modified Trapping Technique is introduced for cases where an aneurysm has two branches that cannot be removed; it involves transposing one branch and reimplanting it while clipping the aneurysm to ensure continued blood flow.
- * A successful application of this technique was demonstrated in a 54-year-old woman with a fusiform ACA aneurysm after head trauma, resulting in complete aneurysm occlusion and preserved blood flow in both branches post-surgery.
Somatosensory migraine auras evoked by bihemispheric cortical spreading depression events in human parietal cortex.
J Cereb Blood Flow Metab
October 2024
Department of Neurology, Danish Headache Center, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark.
Article Synopsis
- Cortical spreading depression (CSD) significantly impacts cerebral blood flow, and high-field fMRI can effectively measure these changes.
- The study aimed to understand how visual stimulus-induced blood oxygen level-dependent (BOLD) responses are altered during spontaneous migraine aura attacks in six participants.
- Findings revealed that auras with somatosensory symptoms showed bilateral BOLD response changes in the somatosensory cortex, indicating a complex relationship between aura manifestations and brain activity.
Prevalence of ACA variations: A systematic review and meta‑analysis.
Med Int (Lond)
July 2024
Department of Neurosurgery, General University Hospital of Larissa, 41221 Larissa, Greece.
Article Synopsis
- * A systematic review and meta-analysis were conducted using databases like Cochrane Library and PubMed, identifying 48 relevant articles to assess the incidence of these ACA variations.
- * The analysis reveals that there were no statistically significant differences in the prevalence of ACA variations when comparing cadaveric (autopsy) studies to imaging studies.
Exploring the relationship between embolic acute stroke distribution and supra-aortic vessel patency: key findings from an in vitro model study.
Stroke Vasc Neurol
May 2024
Clinic for Radiology, Neuroradiology, University of Münster and University Hospital of Münster, Münster, Germany.
Background: We investigated differences in intracranial embolus distribution through communicating arteries in relation to supra-aortic vessel (SAV) patency.
Methods: For this experimental analysis, we created a silicone model of the extracranial and intracranial circulations using a blood-mimicking fluid under physiological pulsatile flow. We examined the sequence of embolus lodgment on injecting 104 frangible clot analogues (406 emboli) through the right internal carotid artery (CA) as SAV patency changed: (a) all SAV patent (baseline), (b) emboli from a CA occlusion, (c) emboli contralateral to a CA occlusion and (d) occlusion of the posterior circulation.
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