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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 PDFPostprocedural Contrast-Associated Acute Kidney Injury and Prognosis of Patients Undergoing Recanalization of Chronic Total Occlusions.
J Clin Med
December 2024
Department of Internal Medicine II, Division of Cardiology, Medical University of Vienna, 1090 Vienna, Austria.
Percutaneous coronary intervention (PCI) for chronic total occlusions (CTOs) requires advanced techniques and prolonged procedural efforts, often necessitating high contrast volumes, which may increase the risk of contrast-associated acute kidney injury (CA-AKI). However, evidence suggests that factors beyond contrast exposure contribute to CA-AKI, though data specific to CTO PCI remain limited. Patients undergoing contemporary CTO PCI at our university-affiliated tertiary care center were enrolled.
View Article and Find Full Text PDFImpact of Neutrophil-to-Lymphocyte Ratio on Stroke Severity and Clinical Outcome in Anterior Circulation Large Vessel Occlusion Stroke.
Diagnostics (Basel)
December 2024
Department of Neurology, Faculty of Medicine, Biruni University, Istanbul 34015, Turkey.
The prognostic value of the neutrophil-lymphocyte ratio (NLR) in ischemic stroke remains debated due to cohort variability and treatment heterogeneity across studies. This study evaluates the relationship between admission NLR, stroke severity and 90-day outcomes in patients with anterior circulation large vessel occlusion (LVO) undergoing early, successful revascularization. A retrospective multicenter study was conducted with 1082 patients treated with mechanical thrombectomy for acute ischemic stroke.
View Article and Find Full Text PDFExperience With Dabigatran on Rate of Portal Vein Thrombosis Recanalization, Disease Progression and Survival.
Aliment Pharmacol Ther
January 2025
Division of Gastroenterology and Hepatology, Department of Medicine, University of Pennsylvania, Philadelphia, USA.
Background And Aims: We assessed clinical, procoagulant and genetic risk factors and clinical outcomes in dabigatran-treated patients with non-tumoural acute and acute-on-chronic portal vein thrombosis (PVT).
Methods: Patients with a new diagnosis of non-tumoural acute and acute-on-chronic PVT between January 2021 and January 2024 (aged ≥ 18 years) in those without/with cirrhosis (Child-Pugh (CP)-A/B/C ≤ 10) were started on dabigatran and followed and compared with those on vitamin K antagonist (VKA) and untreated individuals.
Results: Dabigatran was prescribed in 119 patients with PVT type 1 (61, 51.
Pretreatment Cranial Computed Tomography Perfusion Predicts Dynamic Cerebral Autoregulation Changes in Acute Hemispheric Stroke Patients Having Undergone Recanalizing Therapy: A Retrospective Study.
Neurol Int
November 2024
Department of Radiology, Section Neuroradiology, Lucerne Cantonal Hospital, 6000 Lucerne, Switzerland.
Objectives: Blood pressure (BP) management is challenging in patients with acute ischemic supratentorial stroke undergoing recanalization therapy due to the lack of established guidelines. Assessing dynamic cerebral autoregulation (dCA) may address this need, as it is a bedside technique that evaluates the transfer function phase in the very low-frequency (VLF) range (0.02-0.
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