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Respiratory influence on cerebral blood flow and blood volume - A 4D flow MRI study.
J Cereb Blood Flow Metab
January 2025
Department of Applied Physics and Electronics, Umeå University, Umeå, Sweden.
Variations in cerebral blood flow and blood volume interact with intracranial pressure and cerebrospinal fluid dynamics, all of which play a crucial role in brain homeostasis. A key physiological modulator is respiration, but its impact on cerebral blood flow and volume has not been thoroughly investigated. Here we used 4D flow MRI in a population-based sample of 65 participants (mean age = 75 ± 1) to quantify these effects.
View Article and Find Full Text PDFIntraoperative Hemodynamic Monitoring and Prediction of Early Allograft Dysfunction Following Living Donor Liver Transplantation: A Systematic Review.
Clin Transplant
February 2025
Department of Transplant Surgery, University of California, California, San Francisco, USA.
Background: Multiple intraoperative hemodynamic parameters are associated with an increased risk of early allograft dysfunction (EAD) following living donor liver transplantation (LDLT); however, there is significant center-to-center variability in terms of which parameters are used. We sought to determine which intraoperative hemodynamic parameters are most predictive of EAD following LDLT.
Methods: This is a systematic review following PRISMA guidelines (PROSPERO ID: CRD42023409711).
Endovascular therapy is effective in patients with post-thrombotic syndrome based on anatomical classification: a multi-center experience.
Ann Vasc Surg
January 2025
Department of Vascular Surgery, Xiamen Branch of Zhongshan Hospital, Fudan University, Xiamen, 361015, China; Department of Vascular Surgery, Fudan University, Shanghai 200032, China; Institute of Vascular Surgery, Fudan University, Shanghai 200032, China. Electronic address:
Objective: In this study, we aimed to retrospectively review patients with post-thrombotic syndrome (PTS) and investigate its long-term outcomes, and a novel classification were presented across multiple institutions.
Methods: We retrospectively evaluated patients with PTS who underwent endovascular therapy at two institutions between January 2018 and September 2023. Baseline patient demographics, lesion characteristics, and in-hospital and follow-up outcomes were collected and analyzed retrospectively.
Early Microcirculatory Dysfunction on Perfusion CT Is Related to Prognosis After Aneurysmal Subarachnoid Hemorrhage.
Transl Stroke Res
January 2025
Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, No.119 South 4 Ring West Road, Beijing, 100070, Fengtai District, China.
Microcirculatory dysfunction is an important pathophysiology mechanism of early brain injury after aneurysmal subarachnoid hemorrhage (aSAH), which contributes to poor outcomes. The study was performed in Beijing Tiantan Hospital from October 2020 to July 2023. Patients with aSAH who underwent computed tomographic perfusion (CTP) within 24 h after ictus were enrolled prospectively.
View Article and Find Full Text PDFImaging in Vascular Liver Diseases.
Medicina (Kaunas)
November 2024
Imperial College London and Healthcare NHS Trust, London SW 2AZ, UK.
Vascular liver diseases (VLDs) include different pathological conditions that affect the liver vasculature at the level of the portal venous system, hepatic artery, or venous outflow system. Although serological investigations and sometimes histology might be required to clarify the underlying diagnosis, imaging has a crucial role in highlighting liver inflow or outflow obstructions and their potential causes. Cross-sectional imaging provides a panoramic view of liver vascular anatomy and parenchymal patterns of enhancement, making it extremely useful for the diagnosis and follow-up of VLDs.
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