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Prolonged sitting is not associated with altered shear-mediated dilation of the internal carotid artery, despite impairing lower limb endothelial function.
Physiol Rep
February 2025
Department of Biomedical Engineering, Toyo University, Saitama, Japan.
The present study aims to examine the effect of 4 h of continuous sitting on cerebral endothelial function, which is a crucial component of cerebral blood flow regulation. We hypothesized that 4 h of sitting may impair cerebral endothelial function similarly to how it affects lower limb vasculature. Thirteen young, healthy participants were instructed to remain seated for 4 h without moving their lower limbs.
View Article and Find Full Text PDFUse of Preoperative Spinal Angiography in Severe Spinal Deformity Patients Who Require Thoracic 3 Column Osteotomy: A Case Series and Review of the Literature.
Oper Neurosurg (Hagerstown)
January 2025
Department of Neurosurgery, NYU Langone Health, New York, New York, USA.
Background And Objectives: Three-column osteotomy (3CO) offers substantial spinal deformity correction. Thoracic neurovascular bundle sacrifice is often required, and anterior spinal artery (ASA) perfusion can be compromised. Spinal angiography allows localization of variable ASA vascular contribution.
View Article and Find Full Text PDFRetinal oculomics and risk of incident aortic aneurysm and aortic adverse events: a population-based cohort study.
Int J Surg
January 2025
School of Medicine, South China University of Technology, Guangzhou, China.
Background: The asymptomatic onset and extremely high mortality rate of aortic aneurysm (AA) highlight the urgency of early detection and timely intervention. The alteration of retinal vascular features (RVFs) can reflect the systemic vascular properties, and be widely used as the biomarker for cardiovascular disease risk prediction. Therefore, we aimed to investigate associations of RVFs with AA and its progression.
View Article and Find Full Text PDFImpact of load and movement on arteriovenous fistula flow.
J Vasc Access
January 2025
Clínica de Dialise Splendore, Sao Paulo, Brazil.
Introduction: Arteriovenous fistula (AVF) is the preferred vascular access for hemodialysis. Whether acute arm movement impacts arteriovenous fistula (AVF) blood flow is unknown.
Methods: In this cross-sectional analysis, we evaluated AVF blood flow using an ultrasound device at resting and after three muscle movements for proximal (elbow flexion, shoulder adduction and abduction) or distal AVF (fist extension and flexion, fingers squeeze), without and with a 2 kg load.
Expression of Plasma Levels of miRNA-181b and miRNA-21 in Patients With Abdominal Aortic Aneurysms and Their Effect on Clinical Outcome After Endovascular Treatment.
J Endovasc Ther
January 2025
Division of Vascular and Endovascular Surgery, Department of Surgery and Anatomy, Ribeirao Preto Medical School, Clinical Hospital of Ribeirão Preto, University of São Paulo, São Paulo, Brazil.
Introduction: Abdominal aortic aneurysms (AAA) are major causes of morbidity and mortality in the elderly population. Endovascular aneurysm repair (EVAR) is associated with lower complications rates than conventional treatment; however, rigorous follow-up with contrast imaging is required to confirm aneurysmal sac exclusion. The main objective of this study was to quantify and evaluate miRNA expression response to EVAR based on serum dosages at the 6-month follow-up.
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