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Factors Associated With Prolonged Venous Transit in Large Vessel Occlusion Acute Ischemic Strokes.
J Neuroimaging
January 2025
Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Maryland, USA.
Background And Purpose: Prolonged venous transit (PVT), derived from computed tomography perfusion (CTP) time-to-maximum (T) maps, reflects compromised venous outflow (VO) in acute ischemic stroke due to large vessel occlusion (AIS-LVO). Poor VO is associated with worse clinical outcomes, but pre-treatment markers predictive of PVT are not well described.
Methods: We conducted a retrospective analysis of 189 patients with anterior circulation AIS-LVO who underwent baseline CT evaluation, including non-contrast CT, CT angiography, and CTP.
Large Scale in vivo Acquisition, Segmentation and 3D Reconstruction of Cortical Vasculature using Doppler Ultrasound Imaging.
Neuroinformatics
January 2025
Neuro-Electronics Research Flanders, Kapeldreef 75, Leuven, 3001, Belgium.
The brain is composed of a dense and ramified vascular network of arteries, veins and capillaries of various sizes. One way to assess the risk of cerebrovascular pathologies is to use computational models to predict the physiological effects of reduced blood supply and correlate these responses with observations of brain damage. Therefore, it is crucial to establish a detailed 3D organization of the brain vasculature, which could be used to develop more accurate in silico models.
View Article and Find Full Text PDFDistinct Clinical Presentations of Vein of Galen Aneurysmal Malformation: A Case Series.
Clin Case Rep
January 2025
Breastfeeding Research Center, Family Health Research Institute Tehran University of Medical Sciences Tehran Iran.
We present two cases of vein of Galen aneurysmal malformation, detected in early life, with differing outcomes. This suggests that early detection of this malformation in fetuses or neonates does not necessarily indicate a poor prognosis, highlighting the need for vigilant monitoring and timely intervention to optimize outcomes.
View Article and Find Full Text PDFPreoperative Vascular and Cranial Nerve Imaging in Skull Base Tumors.
Cancers (Basel)
December 2024
Department of Neurosurgery, Institute of Medicine, University of Tsukuba, Tsukuba 305-8575, Japan.
Skull base tumors such as meningiomas and schwannomas are often pathologically benign. However, surgery for these tumors poses significant challenges because of their proximity to critical structures such as the brainstem, cerebral arteries, veins, and cranial nerves. These structures are compressed or encased by the tumor as they grow, increasing the risk of unintended injury to these structures, which can potentially lead to severe neurological deficits.
View Article and Find Full Text PDFExpert-Based Narrative Review on Compression UltraSonography (CUS) for Diagnosis and Follow-Up of Deep Venous Thrombosis (DVT).
Diagnostics (Basel)
January 2025
Research Center on Thromboembolic Diseases and Antithrombotic Treatment, Department of Medicine and Surgery, University of Insubria, 21100 Varese, Italy.
Deep venous thrombosis (DVT) is a pathological condition that develops when a thrombus forms within the deep venous system. Typically, it involves the lower limbs and, less frequently, the upper extremities or other unusual districts such as cerebral or splanchnic veins. While leg DVT itself is rarely fatal and occasionally can lead to limb-threatening implications, its most fearsome complication, namely pulmonary embolism, is potentially fatal and significantly contributes to increased healthcare costs and impaired quality of life in affected patients and caregivers.
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