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Intracranial dural arteriovenous fistulas with deep venous drainage: a single-center retrospective cohort study.
Neurosurg Rev
January 2025
Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
Objective: Dural arteriovenous fistulas (DAVFs) with deep venous drainage (DVD) (DAVFs-DVD) are characteristically associated with non-hemorrhagic neurological deficits, most notably cognitive impairment. Large studies have yet to thoroughly characterize these DAVFs. We conducted an analysis of the largest cohort of DAVFs-DVD to provide a comprehensive characterization of this specific subset.
View Article and Find Full Text PDFAnalysis of blood flow velocity variability in middle cerebral artery stenosis using transcranial color-coded sonography.
J Clin Neurosci
January 2025
Department of Radiology, Xuanwu Hospital, Capital Medical University, Beijing, PR China.
Background: High variability of intracranial arterial blood flow velocities by Transcranial color-coded sonography (TCCS) has been found in clinical practice. This study aimed to improve diagnostic accuracy by analyzing influencing factors of middle cerebral artery (MCA) blood flow velocity detected by TCCS.
Methods: In total, 328 MCA vessels were classified as normal (27.
Role and Prognostic Implications of Venous Outflow Assessment in Acute Ischemic Stroke.
J Neuroimaging
January 2025
Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Maryland, USA.
Introduction: The venous outflow profile (VOP) is a crucial yet often overlooked aspect affecting stroke outcomes. It plays a major role in the physiopathology of acute cerebral ischemia, as it accounts for both the upstream arterial collaterals and cerebral microperfusion. This enables it to circumvent the limitations of various arterial collateral evaluation systems, which often fail to consider impaired autoregulation and its impact on cerebral blood flow at the microcirculatory levels.
View Article and Find Full Text PDFMorphological Study on Lenticulostriate Arteries in Patients With Middle Cerebral Artery Stenosis at 7 T MRI.
J Magn Reson Imaging
January 2025
Department of Radiology, the First Medical Center, Chinese PLA General Hospital, Beijing, China.
Background: Middle cerebral artery (MCA) stenosis affects lenticulostriate arteries (LSAs) that supply the basal ganglia. Increased spatial resolution and signal-to-noise ratio of 7 T could facilitate morphological imaging of very-small-diameter LSAs.
Purpose: To evaluate differences in morphological characteristics of LSA among different MCA stenoses.
Introduction to Digital Subtraction Myelography for CSF-Venous Fistula Detection.
AJNR Am J Neuroradiol
January 2025
From the Mayo Clinic, Department of Radiology, Rochester, Minnesota.
The purpose of this video is to introduce digital subtraction myelography for CSF-venous fistula (CVF) detectection. CVF is the most recently identified and likely the most prevalent type of spinal CSF leak that leads to spontaneous intracranial hypotension CVFs are occult on conventional MRI and CT, necessitating the use of myelography for the diagnosis. This video highlights one such technique, which is important because an increasing number of centers are starting to diagnose CVF.
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