Results 91 to 100 of about 61,478 (225)

Effect of posterior hypothalamic knife cuts on the baroreflex and hemorrhage-induced hormonal responses. [PDF]

open access: yes, 1990
We made posterior hypothalamic knife cuts in rats to transect the fibers of the medial forebrain bundle (MFB) at the level of the mammillary body. The role of the MFB in the baroreflex and hemorrhage-induced hormonal responses was then examined in the ...
Hashimoto, Kozo   +2 more
core   +1 more source

Oxidative stress and impaired cardiovagal baroreflex sensitivity in young adults with post‐traumatic stress disorder

open access: yesExperimental Physiology, EarlyView.
Abstract Post‐traumatic stress disorder (PTSD) is associated with elevated cardiovascular disease (CVD) risk, yet the underlying physiological characterization in young adults remain unclear. This study examines whether autonomic and/or vascular dysfunction predominates as an early precursor to CVD development in young adults with PTSD and explores the
Jennifer B. Weggen   +6 more
wiley   +1 more source

Prophylactic Effectiveness of Phenylephrine 100 mcg and Ephedrine 10 mg on the Incidence of Spinal Anesthesia Induced Hypotension in Patients Undergoing Cesarean Section

open access: yesIndonesian Journal of Anesthesiology and Reanimation (IJAR)
Introduction: Birth by cesarean section (C-section) has increased significantly, with a high risk of maternal hypotension due to spinal anesthesia.
Cassandra Etania   +2 more
doaj   +1 more source

The non-obligatory role of endothelial cells in the relaxation of arterial smooth muscle by acetylcholine [PDF]

open access: yes, 2008
The concept of Endothelium Derived Relaxing Factor (EDRF), put forward by Furchgott in the earlier 80s of the past century, implies that nitric oxide (NO) produced by NO synthase (NOS) in the endothelium in response to acetylcholine (ACh) passively ...
Frantisek Kristek   +5 more
core   +1 more source

TMEM16A channel signalling microdomains in the regulation of vascular function

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Schematic representation of TMEM16A channel signalling microdomains. Calcium influx or calcium release from the endoplasmic/sarcoplasmic reticulum (ER/SR) activates TMEM16A channels through interactions with regulatory proteins in vascular smooth muscle cells or endothelial cells. TMEM16A channel activation drives chloride efflux,
Fênix Araujo, Swapnil K. Sonkusare
wiley   +1 more source

Severe hypertension and pulmonary edema associated with systemic absorption of topical phenylephrine in a child during retinal surgery

open access: yesSaudi Journal of Anaesthesia, 2012
Topical phenylephrine solutions are widely used in eye procedures to promote pupil dilation without cycloplegia. We report a case of intraoperative severe hypertension and acute pulmonary edema occurring in a child during retinal surgery after possible ...
Ashraf A Abdelhalim   +3 more
doaj   +1 more source

Update on cellular expression and function of ANO1 channels in urethral smooth muscle

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Activation of ANO1 channels and resulting Cl− efflux are suggested to modulate urethral smooth muscle contractility by enhancing Ca2+ influx via voltage‐dependent Ca2+ entry and resulting contraction in urethral smooth muscle cells.
Bernard T. Drumm, Neha Gupta
wiley   +1 more source

Does an Earlier or Late Intravenous Injection of Ondansetron Affect the Dose of Phenylephrine Needed to Prevent Spinal-Anesthesia Induced Hypotension in Cesarean Sections?

open access: yesDrug Design, Development and Therapy, 2020
Jing Qian,1 Lin Liu,1 Xiufeng Zheng,2 Fei Xiao1 1Department of Anesthesia, Jiaxing University Affiliated Women and Children Hospital, Jiaxing, People’s Republic of China; 2Department of Obstetrics, Jiaxing University Affiliated Women and Children ...
Qian J, Liu L, Zheng X, Xiao F
doaj  

Comparison of hemodynamic response and vasopressor requirement following spinal anaesthesia between normotensive and severe preeclamptic women undergoing caesarean section: A prospective study

open access: yesJournal of Obstetric Anaesthesia and Critical Care, 2013
Background: Spinal anesthesia is the technique of choice in cesarean sections, but it is not widely accepted in severe pre-eclampsia due to fear of sudden and extensive sympathetic blockade. The aim of the present study was to compare the heart rate (HR),
Dona Saha   +6 more
doaj   +1 more source

An investigation of the antiplatelet effects of succinobucol (AGI-1067) [PDF]

open access: yes, 2016
Succinobucol is a phenolic antioxidant with anti-inflammatory and antiplatelet effects. Given the importance of oxidant stress in modulating platelet–platelet and platelet–vessel wall interactions, the aim of this study was to establish if antioxidant ...
Gnanadesika, Sukanya   +3 more
core   +1 more source

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