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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1965 3
1966 6
1967 2
1968 2
1969 4
1970 4
1971 7
1972 8
1973 5
1974 5
1975 9
1976 2
1977 9
1978 13
1979 7
1980 8
1981 7
1982 13
1983 16
1984 9
1985 16
1986 13
1987 7
1988 21
1989 11
1990 13
1991 26
1992 24
1993 23
1994 30
1995 38
1996 36
1997 39
1998 41
1999 37
2000 35
2001 40
2002 26
2003 39
2004 33
2005 29
2006 31
2007 39
2008 21
2009 37
2010 27
2011 26
2012 22
2013 36
2014 34
2015 31
2016 28
2017 36
2018 37
2019 29
2020 34
2021 27
2022 36
2023 29
2024 28
2025 39
2026 22

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1,263 results

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Page 1
Comparison of the Effects of Norepinephrine and Phenylephrine Infusion in Preventing Hypotension during Spinal Anesthesia for Cesarean Delivery: A Randomized, Double-Blind Clinical Trial.
Jalili S, Hojatansari M, Abdollahi Sabet S. Jalili S, et al. Arch Iran Med. 2025 Mar 1;28(3):149-154. doi: 10.34172/aim.33931. Epub 2025 Mar 1. Arch Iran Med. 2025. PMID: 40298007 Free PMC article. Clinical Trial.
METHODS: In this randomized, double-blind clinical trial, 90 pregnant women at 37 weeks of gestation scheduled for elective cesarean delivery were randomly assigned to receive either norepinephrine (n=47) or phenylephrine (n=43). The initial infusion rate was set at 5 g/m …
METHODS: In this randomized, double-blind clinical trial, 90 pregnant women at 37 weeks of gestation scheduled for elective cesarean deliver …
Effect of low dose phenylephrine infusion on shivering and hypothermia in patients undergoing cesarean section under spinal anesthesia: a randomized clinical trial.
Palanisamy S, Rudingwa P, Panneerselvam S, Satyaprakash MVS, Kuberan A, Amala R. Palanisamy S, et al. Int J Obstet Anesth. 2022 May;50:103542. doi: 10.1016/j.ijoa.2022.103542. Epub 2022 Mar 18. Int J Obstet Anesth. 2022. PMID: 35381421 Clinical Trial.
We hypothesized that prophylactic phenylephrine infusion would reduce shivering and hypothermia in women undergoing cesarean section under spinal anesthesia. METHODS: A two-arm randomized, double-blind, placebo-controlled trial in term pregnant patients undergoing cesarean …
We hypothesized that prophylactic phenylephrine infusion would reduce shivering and hypothermia in women undergoing cesarean section …
Effects of Prophylactic Infusion of Equivalent Doses of Norepinephrine and Phenylephrine in Preventing Spinal Anesthesia-Induced Hypotension During Cesarean Delivery on Fetal and Maternal Outcomes: A Dual-Center, Non-Inferiority Controlled Trial.
Mao J, Lin K, Liu X, Liu J, Liang G, Sheng Z. Mao J, et al. Drug Des Devel Ther. 2025 Jun 17;19:5143-5152. doi: 10.2147/DDDT.S514091. eCollection 2025. Drug Des Devel Ther. 2025. Retraction in: Drug Des Devel Ther. 2025 Sep 10;19:8049-8050. doi: 10.2147/DDDT.S563756. PMID: 40557054 Free PMC article. Retracted. Clinical Trial.
BACKGROUND: Numerous studies have compared the effects of norepinephrine and phenylephrine on maternal and neonatal outcomes during cesarean delivery. However, the infusion rates are often based on clinical experience, resulting in non-equivalent doses. We aimed to compare …
BACKGROUND: Numerous studies have compared the effects of norepinephrine and phenylephrine on maternal and neonatal outcomes during c …
Randomized clinical trial of the efficacy and safety of tropicamide and phenylephrine in preoperative mydriasis for phacoemulsification.
Lam PT, Poon BT, Wu WK, Chi SC, Lam DS. Lam PT, et al. Clin Exp Ophthalmol. 2003 Feb;31(1):52-6. doi: 10.1046/j.1442-9071.2003.00600.x. Clin Exp Ophthalmol. 2003. PMID: 12580895 Clinical Trial.
Regimen A consisted of tropicamide 1.0% with phenylephrine 2.5%, and Regimen B consisted of tropicamide 0.5% with phenylephrine 0.5%. The main outcome measures were horizontal pupillary diameter, systolic, diastolic and pulse pressure and pulse rate. ...The combinat …
Regimen A consisted of tropicamide 1.0% with phenylephrine 2.5%, and Regimen B consisted of tropicamide 0.5% with phenylephrine …
Effect of Norepinephrine and Phenylephrine on Tissue Oxygenation During Superficial Temporal Artery-Middle Cerebral Artery Bypass: A Randomized Controlled Trial.
Cheng J, Kang F, Han M, Song Y, Chang L, Huang X, Zhang Y, Li J. Cheng J, et al. Drug Des Devel Ther. 2025 Jul 25;19:6347-6356. doi: 10.2147/DDDT.S517391. eCollection 2025. Drug Des Devel Ther. 2025. PMID: 40734694 Free PMC article. Clinical Trial.
PURPOSE: The current study aimed to compare the effects of norepinephrine and phenylephrine on tissue oxygenation and clinical outcomes in Moyamoya disease patients. PATIENTS AND METHODS: Sixty patients scheduled for superficial temporal artery-middle cerebral artery bypas …
PURPOSE: The current study aimed to compare the effects of norepinephrine and phenylephrine on tissue oxygenation and clinical outcom …
Ephedrine versus Phenylephrine Effect on Cerebral Blood Flow and Oxygen Consumption in Anesthetized Brain Tumor Patients: A Randomized Clinical Trial.
Koch KU, Mikkelsen IK, Aanerud J, Espelund US, Tietze A, Oettingen GV, Juul N, Nikolajsen L, Østergaard L, Rasmussen M. Koch KU, et al. Anesthesiology. 2020 Aug;133(2):304-317. doi: 10.1097/ALN.0000000000003377. Anesthesiology. 2020. PMID: 32482999 Clinical Trial.
BACKGROUND: Studies in anesthetized patients suggest that phenylephrine reduces regional cerebral oxygen saturation compared with ephedrine. The present study aimed to quantify the effects of phenylephrine and ephedrine on cerebral blood flow and cerebral metabolic …
BACKGROUND: Studies in anesthetized patients suggest that phenylephrine reduces regional cerebral oxygen saturation compared with eph …
Efficacy of dapiprazole.
Johnson ME, Molinari JF. Johnson ME, et al. Optom Vis Sci. 1993 Oct;70(10):818-21. doi: 10.1097/00006324-199310000-00007. Optom Vis Sci. 1993. PMID: 7902553 Clinical Trial.
Subjects were dilated using one drop each of proparacaine 0.5%, tropicamide 1.0%, and phenylephrine 2.5%. Pupil diameter, amplitude of accommodation, and conjunctival injection were evaluated. ...
Subjects were dilated using one drop each of proparacaine 0.5%, tropicamide 1.0%, and phenylephrine 2.5%. Pupil diameter, amplitude o …
Cerebral Macro- and Microcirculation during Ephedrine versus Phenylephrine Treatment in Anesthetized Brain Tumor Patients: A Randomized Clinical Trial Using Magnetic Resonance Imaging.
Koch KU, Mikkelsen IK, Espelund US, Angleys H, Tietze A, Oettingen GV, Juul N, Østergaard L, Rasmussen M. Koch KU, et al. Anesthesiology. 2021 Nov 1;135(5):788-803. doi: 10.1097/ALN.0000000000003877. Anesthesiology. 2021. PMID: 34344019 Clinical Trial.
The hypothesis was that capillary transit time heterogeneity in selected brain regions is greater during phenylephrine than during ephedrine, thus reducing cerebral oxygen tension. METHODS: In this single-center, double-blinded, randomized clinical trial, 24 anesthetized b …
The hypothesis was that capillary transit time heterogeneity in selected brain regions is greater during phenylephrine than during ep …
Effects of phenylephrine and norepinephrine with restrictive infusion on oxygenation during one-lung ventilation for lung surgery: a randomized controlled trial.
Li J, Liu X, Xu L, Liu Y, Liu Y. Li J, et al. Ann Med. 2026 Dec;58(1):2611655. doi: 10.1080/07853890.2025.2611655. Epub 2026 Jan 5. Ann Med. 2026. PMID: 41489229 Free PMC article. Clinical Trial.
OBJECTIVE: This study compared the effects of norepinephrine or phenylephrine combined with restrictive infusion on the oxygenation during thoracoscopic one-lung ventilation (OLV). ...Phenylephrine with restrictive infusion improves oxygenation during one-lung venti …
OBJECTIVE: This study compared the effects of norepinephrine or phenylephrine combined with restrictive infusion on the oxygenation d …
1,263 results