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Altered neurovascular coupling and structure-function coupling in Moyamoya disease affect postoperative collateral formation.
Sci Rep
December 2024
Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Jiefang Road 88th, Hangzhou, 310009, China.
Chronic ischemia in moyamoya disease (MMD) impaired white matter microstructure and neural functional network. However, the coupling between cerebral blood flow (CBF) and functional connectivity and the association between structural and functional network are largely unknown. 38 MMD patients and 20 sex/age-matched healthy controls (HC) were included for T1-weighted imaging, arterial spin labeling imaging, resting-state functional MRI and diffusion tensor imaging.
View Article and Find Full Text PDFRete anomaly of the middle cerebral artery: case series of 13 patients from the Northeastern United States.
J Neurointerv Surg
December 2024
Department of Neurology, Columbia University Irving Medical Center, New York, New York, USA.
Background: Rete middle cerebral artery (MCA) is a rare anomaly of the intracranial circulation that mimics congenital Moyamoya disease (MMD). Similar to MMD, it is reported almost exclusively in East-Asian ethnicities. Here, we report 13 patients with rete MCA anomaly from a predominantly non-Asian background in the USA.
View Article and Find Full Text PDFUsefulness of Three-dimensional Computer Graphics for the Direct Surgery of Ruptured Aneurysms in Deep Collateral Arteries Arising after Indirect Revascularization for Moyamoya Disease: Report of Two Cases.
NMC Case Rep J
November 2024
Department of Neurosurgery, Kyorin University School of Medicine, Tokyo, Japan.
Treating ruptured aneurysms in deep collateral arteries in moyamoya disease is difficult. Two cases of intracranial hemorrhage due to ruptured aneurysms in the deep collateral vessels after indirect revascularization for moyamoya disease were treated via direct surgery with the assistance of surgical simulation using three-dimensional computer graphics. The three-dimensional computer graphics provided detailed anatomical relationships between the aneurysm and the surrounding structures, which led to successful surgical results in both patients.
View Article and Find Full Text PDFNavigating Diagnostic Complexities and Treatment Strategies of Moyamoya Syndrome: A Case Report.
Cureus
November 2024
Department of Neurology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, MYS.
Moyamoya syndrome (MMS) is characterized by progressive narrowing of intracranial arteries and the development of collateral vessel networks, often presenting with recurrent ischemic or hemorrhagic strokes. MMS poses significant challenges in diagnosis due to its overlapping symptoms with other cerebrovascular conditions. Treatment aims to improve cerebral blood flow, reduce symptom frequency, and prevent future strokes.
View Article and Find Full Text PDFMoyamoya Angiopathy and Antiphospholipid Antibodies: A Coincidental Association?
Stroke
January 2025
APHP-Hôpital Lariboisière-CERVCO, INSERM-U1141, FHU-NeuroVasc-Université Paris-Cité, France (L.G., H.C., D.H.).
Background: The presence of antiphospholipid antibodies (aPL) has been suggested as a potential cause of moyamoya angiopathy (MMA), but this remains uncertain. In this case-control study, we aimed to compare the prevalence of circulating aPL in patients with MMA and in non-MMA cerebrovascular controls.
Methods: For comparison, we included 95 patients with MMA from the French National Referral Centre for this condition and 182 age- and sex-matched non-MMA controls with a different cerebrovascular disease, all younger than 55 years.
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