Results 111 to 120 of about 490,086 (257)

Ventricular Synchrony in Targeted Right Ventricular Septal Pacing: A Prospective Paired Comparison to Apical Placement

open access: yesPacing and Clinical Electrophysiology, EarlyView.
ABSTRACT Background/Objectives Right ventricular (RV) apical pacing, the standard pacing approach, often induces ventricular dyssynchrony, potentially impairing cardiac function. This study aims to investigate whether targeted RV septal pacing, guided by functional electrophysiological feedback during implantation, reduces ventricular dyssynchrony ...
Bianca Iulia Catrina   +5 more
wiley   +1 more source

Dialysis Arteriovenous Fistula Causing Subclavian Steal Syndrome in the Absence of Subclavian Artery Stenosis [PDF]

open access: yes, 2015
We present a rare cause of subclavian steal syndrome secondary to a dialysis arteriovenous fistula (AVF). A 69-year-old female with end-stage renal disease presented with ataxia and recurrent fainting spells.
Mohamed Samy Elhammady   +3 more
core   +1 more source

Subclavian-carotid transposition for subclavian artery stenosis causing recurrent brachial artery embolism: Case report

open access: yes, 2010
Subclavian artery stenosis represents a relatively lower rate for upper extremity emboli source. Subclavian artery stenosis with thrombus localized distal to the stenosis was diagnosed on the arteriography of a patient who had a history of three previous
Emrecan, Bilgin   +3 more
core  

Uncovering the impact of the cardiovascular system on cerebrovascular health using MRI

open access: yesExperimental Physiology, EarlyView.
Abstract Human cerebrovasculature is finely tuned to enable local changes in blood flow to meet the brain's demands, whilst protecting the brain from systemic changes in blood pressure, both acutely during a heartbeat and chronically over time. This review summarises cerebrovascular structure and function, their role in disease and neurodegeneration ...
Ian D. Driver, Kevin Murphy
wiley   +1 more source

Rare Combination of Right Aortic Arch, Aberrant Left Subclavian Artery and Absent Left Pulmonary Artery in a Boy with Tetralogy of Fallot

open access: yesInternational Medical Case Reports Journal, 2023
Mohammed Nasir,1 Muluken Ahmed2 1Pediatrics Department, Hawassa University, Hawassa, Ethiopia; 2Pediatrics Department, Arbaminch University, Arbaminch, EthiopiaCorrespondence: Mohammed Nasir, Pediatrics Department, Hawassa University, PO Box: 05, Hawassa,
Nasir M, Ahmed M
doaj  

Isolation of left subclavian artery with reversal of neurological and hemodynamic abnormalities after percutaneous closure

open access: yesIndian Heart Journal, 2014
Isolation of left subclavian artery is a rare congenital anomaly. In this abnormality, the left subclavian artery arises from the homo-lateral pulmonary artery rather than from aorta.
Purendra K. Pati   +2 more
doaj   +1 more source

Whole‐body hot water immersion effect on cerebral haemodynamics and subsequent cerebrovascular reactivity to carbon dioxide

open access: yesExperimental Physiology, EarlyView.
Abstract To test the hypothesis that hot water immersion (HWI) improves cerebrovascular function via shear‐mediated mechanisms, this study determined cerebrovascular reactivity to carbon dioxide (CVRCO2${\mathrm{CV}}{{\mathrm{R}}_{{\mathrm{C}}{{\mathrm{O}}_2}}}$) before and after 60 min of 39°C HWI and a 21°C air control (CON) in 15 healthy ...
Samuel F. Leaney   +8 more
wiley   +1 more source

Cerebrovascular regulation during heat stress

open access: yesExperimental Physiology, EarlyView.
Abstract Given that the brain is a highly metabolic organ and is enclosed by the skull, effective regulation of cerebral blood flow (CBF), not only for oxygen and nutrients supply but also as a means of convective heat exchange, is critical for preventing excessive elevations in brain temperature.
Kanoko Ito, Manabu Shibasaki
wiley   +1 more source

Cerebral and peripheral haemodynamics at rest and in response to orthostasis during 3 days of simulated heatwave

open access: yesExperimental Physiology, EarlyView.
Abstract Acute heat stress reduces cerebral haemodynamics and orthostatic tolerance. However, the haemodynamic response to orthostasis during prolonged heat stress typical of heatwaves is unknown. We hypothesised that thermoregulatory‐induced elevations in peripheral haemodynamics during 3 days of simulated heatwave would exacerbate orthostatic‐induced
Alexander T. Friend   +11 more
wiley   +1 more source

Hybrid Repair of Left Subclavian Artery Pseudoaneurysm With Vertebral Artery Revascularisation: A Solution for a Complex Case

open access: yesEJVES Vascular Forum
Introduction: Pseudoaneurysms of the subclavian artery are a rare complication. Surgical treatment is necessary to prevent potentially lethal complications. This needs adequate planning in cases that require vertebral artery revascularisation.
José I. Chiriboga Granja   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy