Doppler test in temporal arthritis. Prescriptions and limits The paper describes the Authors' personal experience in using the Doppler test for the diagnosis of temporal arthritis in a small group of patients clinically suspected of the pathology. The method has proved useful in the diagnosis and follow-up of the disease, but the diagnosis is confirmed by a biopsy of the temporal artery which still plays an important role.
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Background: Recent studies show apolipoprotein E4 (APOE4), the strongest known genetic risk factor for late-onset Alzheimer's disease, is associated with vascular dysfunctions such as blood-brain barrier breakdown, in both animal models and humans. However, there is a lack of understanding on how vascular alterations progress with age in APOE4.
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Short Term Estradiol Administration Does Not Restore Endothelin-B Receptor-Mediated Vasodilation in Postmenopausal Women.
Am J Physiol Heart Circ Physiol
January 2025
Department of Kinesiology & Applied Physiology, University of Delaware, Newark DE.
The endothelin-B receptor (ETR) mediates vasodilation in young women, an effect that is absent in postmenopausal women. We have previously demonstrated that ETR-mediated vasodilation is regulated by estradiol (E) in young women; however, the impact of E on ETR function in postmenopausal women remains unknown. Accordingly, the objective of this study was to test the hypothesis that E exposure restores ETR-mediated dilation in postmenopausal women.
View Article and Find Full Text PDFThe Cardiac Output-Cerebral Blood Flow Relationship Is Abnormal in Most Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Patients with a Normal Heart Rate and Blood Pressure Response During a Tilt Test.
Healthcare (Basel)
December 2024
Stichting Cardio Zorg, Kraayveld 5, 1171 JE Badhoevedorp, The Netherlands.
Introduction: Orthostatic intolerance is highly prevalent in patients with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) and is caused by an abnormal reduction in cerebral blood flow (CBF). In healthy controls (HCs), the regulation of CBF is complex and cardiac output (CO) is an important determinant of CBF: a review showed that a 30% reduction in CO results in a 10% reduction in CBF. In previous and separate ME/CFS studies, we showed that CO and CBF decreased to a similar extent during tilt testing.
View Article and Find Full Text PDFReduced portal vein blood flow velocity in acute fatty liver of pregnancy.
Front Med (Lausanne)
December 2024
Department of Medical Ultrasound, Jinshan Hospital of Fudan University, Shanghai, China.
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The role of umbilical vein blood flow assessment in the prediction of fetal growth velocity and adverse outcome: a prospective observational cohort study.
Am J Obstet Gynecol
January 2025
Department of Mother and Neonate, Institute for Maternal and Child Health IRCCS Burlo Garofolo, 34137, Trieste, Italy; Department of Medical Surgical and Health Sciences, University of Trieste, 34149, Trieste, Italy.
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