Results 21 to 30 of about 66,688 (258)

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

Frontiers 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, Limin Jin, Huayue Liu, Xiaowen Meng, Fuhai Ji   +4 more
doaj   +1 more source

Stability of extemporaneously prepared ophthalmic solutions for mydriasis [PDF]

, 2018
Purpose Results of an evaluation of the physical and chemical stability of extemporaneously prepared adult and pediatric ophthalmic solutions containing combinations of phenylephrine, tropicamide, and cyclopentolate are reported.
Camp, Nicole A., Gilbert, Justine M., Hughes, Susan E., Nadra, Jennifer T., Zhao, Fang   +4 more
core   +2 more sources

A comparative study on the effect of dopamine vs phenylephrine in improving the cutaneous analgesic effect of mexiletine in rats

Perioperative Medicine, 2023
Background The present study aimed to compare the effects of the combined administration of two adjuvants, dopamine and phenylephrine, on the cutaneous analgesic effect and duration of mexiletine in rats. Methods Nociceptive blockage was evaluated by the
Kesong Zheng, Mingming Han, Fang Kang, Chengwei Yang, Juan Li   +4 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]

, 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, Boger, Cocks, De Gennaro Colonna, Dora, Dudzinski, Feng, Fleming, Frew, Fulton, Gallis, Hobbs, Jackson, Jin, Leiper, Liu, Martin, Martin, Miller, Moore, Olken, Overend, Palmer, Rapoport, Rees, Rees, Siroen, Vallance, Vallance, Vladimirova-Kitova   +29 more
core   +3 more sources

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

, 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, Merchant, S, Stewart, JM, Suggs, M, Sutton, R, Terilli, C, Visintainer, P   +6 more
core   +1 more source

Simultaneous determination of Guaifenesin, codeine phosphate, phenylephrine hydrochloride, and sodium benzoate in syrup pharmaceutical form by RP-HPLC

Al-Kitab Journal for Pure Sciences, 2023
This work describes the development of the RP-HPLC method for the simultaneous estimation of Guaifenesin, codeine phosphate, phenylephrine, and sodium benzoate.
Muthana S. Ali, Ali E. Karim, Maiser Z. Mohye, Azza M. Al-metwali, Salah N. Ibrahim   +4 more
doaj   +1 more source

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

, 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, Foster, Elyse, Harris, Debra S, Jacob, Peyton, Jones, Reese T, McGlothlin, Dana, Mendelson, John E   +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

Saudi 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, Aanchal Kakkar, Namrata Niwal, Medha Mohta, Ashok Kumar Sethi   +4 more
doaj   +1 more source

Comparison of phenylephrine and norepinephrine for prevention of hypotension in patients undergoing cesarean section under spinal anesthesia – A randomized prospective study

Journal of Obstetric Anaesthesia and Critical Care, 2022
Background: Hypotension is a common side effect of spinal anesthesia for cesarean section with incidence of upto 71%. Various vasopressors are available for counteracting spinal hypotension each with different pharmacological profile.
Wakhloo Renu, Bhagat Heena, Gandotra Megha, Suri Era   +3 more
doaj   +1 more source

Coupling of alpha(1)-Adrenoceptors to ERK1/2 in the Human Prostate [PDF]

, 2011
Introduction: alpha(1)-Adrenoceptors are considered critical for the regulation of prostatic smooth muscle tone. However, previous studies suggested further alpha(1)-adrenoceptor functions besides contraction.
Anglin IE, Boris Schlenker, Chang L, Chon JK, Christ GJ, Christian G. Stief, Christian Gratzke, Erdogru T, Frank Strittmatter, Glassman DT, Golomb E, Johanna Göttinger, Kanagawa K, Karl-Erik Andersson, Kyprianou N, Kyprianou N, Kyprianou N, Lucia MS, Luthin GR, Marinese D, Maroni PD, Martin Hennenberg, McCubrey JA, McVary KT, Michel MC, Oliver Reich, Petter Hedlund, Ricarda M. Bauer, Roehrborn CG, Roehrborn CG, Royuela M, Royuela M, Schilit S, Schwinn DA, Shimada K, Srinivasan D, Turkeri LN, Xiao L, Zhang H, Zhang Z   +39 more
core   +1 more source