Results 11 to 20 of about 66,103 (276)

Effects of continuous infusion of phenylephrine vs. norepinephrine on parturients and fetuses under LiDCOrapid monitoring: a randomized, double-blind, placebo-controlled study

open access: yesBMC Anesthesiology, 2020
Background Hypotension following spinal anesthesia (SA) during cesarean delivery (CD) occurs commonly and is related with maternal and fetal complications.
Kunpeng Feng   +7 more
doaj   +1 more source

The effects on Apgar scores and neonatal outcomes of switching from a combination of phenylephrine and ephedrine to phenylephrine alone as a prophylactic vasopressor during spinal anesthesia for cesarean section [PDF]

open access: yesKorean Journal of Anesthesiology, 2014
BackgroundEphedrine, unlike phenylephrine, has a dose-related propensity to depress fetal pH during spinal anesthesia during cesarean section. A low arterial umbilical cord pH has a strong association with neonatal mortality and morbidity. The purpose of
Joo Yeon Jeon   +5 more
doaj   +1 more source

Ephedrine vs. phenylephrine effect on sublingual microcirculation in elderly patients undergoing laparoscopic rectal cancer surgery

open access: yesFrontiers in Medicine, 2022
BackgroundThe effects of anesthesia administration on sublingual microcirculation are unknown. It is unclear how sublingual microcirculation responds to ephedrine or phenylephrine administration.
Yanbing Zhang   +4 more
doaj   +1 more source

Recanalization of the middle cerebral artery after prolonged induced hypertensive therapy to rescue early neurologic deterioration: a case report [PDF]

open access: yesJournal of Neurocritical Care, 2022
Background Although decades have passed since the introduction of pharmacologically induced hypertensive therapy (PIHT) against early neurologic deterioration (END) in acute ischemic stroke, the optimal duration of PIHT remains elusive.
Han Kyu Na   +7 more
doaj   +1 more source

Evaluation of Electrical Cardiometry for Measuring Cardiac Output and Derived Hemodynamic Variables in Comparison with Lithium Dilution in Anesthetized Dogs

open access: yesAnimals, 2023
Numerous cardiac output (CO) technologies were developed to replace the ‘gold standard’ pulmonary artery thermodilution due to its invasiveness and the risks associated with it.
Vaidehi V. Paranjape   +5 more
doaj   +1 more source

Differential sensitivity of basal and acetylcholine-induced activity of nitric oxide to blockade by asymmetric dimethylarginine (ADMA) in the rat aorta [PDF]

open access: yes, 2010
<b>Background and purpose</b>: Previous work has shown that NG-monomethyl-l-arginine (l-NMMA) paradoxically inhibits basal, but not ACh-stimulated activity of nitric oxide in rat aorta.
Archer   +29 more
core   +3 more sources

Hemodynamic effects of norepinephrine versus phenylephrine infusion for prophylaxis against spinal anesthesia-induced hypotension in the elderly population undergoing hip fracture surgery: a randomized controlled trial [PDF]

open access: yesKorean Journal of Anesthesiology, 2021
Background Elderly population are at increased risk of spinal anesthesia-induced hypotension increasing their risk for postoperative morbidity and mortality.
Maha Mostafa   +8 more
doaj   +1 more source

Postsynaptic α1-Adrenergic vasoconstriction is impaired in young patients with vasovagal syncope and is corrected by nitric oxide synthase inhibition [PDF]

open access: yes, 2016
BACKGROUND: Syncope is a sudden transient loss of consciousness and postural tone with spontaneous recovery; the most common form is vasovagal syncope (VVS).
Medow, MS   +6 more
core   +1 more source

The clinical pharmacology of intranasal l-methamphetamine. [PDF]

open access: yes, 2008
BackgroundWe studied the pharmacology of l-methamphetamine, the less abused isomer, when used as a nasal decongestant.Methods12 subjects self-administered l-methamphetamine from a nonprescription inhaler at the recommended dose (16 inhalations over 6 ...
Everhart, Tom   +6 more
core   +2 more sources

Effect of intravenous phenylephrine infusion on dose requirement of intrathecal plain levobupivacaine for cesarean section: A placebo-controlled preliminary study

open access: yesSaudi Journal of Anaesthesia, 2017
Background: Phenylephrine infusion has been shown to decrease rostral spread of plain and hyperbaric local anesthetic (LA) when compared to ephedrine infusion.
Asha Tyagi   +4 more
doaj   +1 more source

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