Needle bevel direction and headache after inadvertent dural puncture.

abstract：:Administration of the oxidant lipid peroxide tertiary butyl hydroperoxide (t-bu-OOH) in the isolated rabbit lung leads to acute pulmonary vasoconstriction, which is caused by the synthesis of thromboxane. The inhalational anesthetics, halothane, nitrous oxide, and cyclopropane, markedly enhance t-bu-OOH-induced pulmon...

journal_title：Anesthesiology

authors： McShane AJ,Crowley K,Shayevitz JR,Michael JR,Adkinson NF Jr,Traystman RJ,Gurtner GH

更新日期：1989-05-01 00:00:00

abstract：BACKGROUND:Neurokinins (e.g., substance P) contribute to pain transmission in the central nervous system, peripheral neurogenic inflammation, and leukocyte recruitment in inflammation. Leukocyte recruitment involves (1) up-regulation of adhesion molecule expression through neurokinin-1 (NK1) receptors on endothelial ce...

journal_title：Anesthesiology

authors： Rittner HL,Lux C,Labuz D,Mousa SA,Schäfer M,Stein C,Brack A

更新日期：2007-12-01 00:00:00

abstract：BACKGROUND:During laparoscopic surgery utilizing carbon dioxide as the insufflating agent, nitrous oxide will diffuse into the peritoneal cavity if it is used as part of the anesthetic. Bowel perforation and the subsequent release of volatile bowel gas could create a explosion hazard. METHODS:Two related studies were ...

journal_title：Anesthesiology

authors： Neuman GG,Sidebotham G,Negoianu E,Bernstein J,Kopman AF,Hicks RG,West ST,Haring L

更新日期：1993-05-01 00:00:00

abstract：BACKGROUND:Nonsteroidal antiinflammatory drugs are commonly used to treat postoperative and chronic pain. Animal studies suggest that these drugs act, in part, by blocking prostaglandin production in the spinal cord. The authors tested intrathecal ketorolac in patients with chronic or postoperative pain. METHODS:After...

journal_title：Anesthesiology

authors： Eisenach JC,Curry R,Rauck R,Pan P,Yaksh TL

更新日期：2010-05-01 00:00:00

abstract：BACKGROUND:Ca2+-permeable non-N-methyl-D-aspartate receptors are found in the spinal dorsal horn and represent a presumptive target for glutamatergic transmission in nociceptive processing. This study characterized the analgesic profile associated with the blockade of these spinal receptors by intrathecally delivered a...

journal_title：Anesthesiology

authors： Sorkin LS,Yaksh TL,Doom CM

更新日期：2001-10-01 00:00:00

abstract：:The sensitivity of the masseter, one of the muscles of the upper airway, to pancuronium was measured in ten adults undergoing elective surgery and compared with that of the adductor pollicis. During thiopental-nitrous oxide-enflurane (end-tidal concentration less than 0.25%) anesthesia, supramaximal nerve stimulation ...

journal_title：Anesthesiology

authors： Smith CE,Donati F,Bevan DR

更新日期：1989-07-01 00:00:00

abstract：:This study examined whether pain or stress can enhance the analgesic effects of spinally administered opiates. The experiments determined the effects of mechanically produced pain and of the stress of being restrained on the analgesic effects of 0.63 microgram of epidural sufentanil in rats using a tail-withdrawal pro...

journal_title：Anesthesiology

authors： Van den Hoogen RH,Bervoets K,Colpaert FC

更新日期：1988-07-01 00:00:00

abstract：BACKGROUND:Combining a hypnotic and an analgesic to produce sedation, analgesia, and surgical immobility required for clinical anesthesia is more common than administration of a volatile anesthetic alone. The aim of this study was to apply response surface methods to characterize the interactions between remifentanil a...

journal_title：Anesthesiology

authors： Manyam SC,Gupta DK,Johnson KB,White JL,Pace NL,Westenskow DR,Egan TD

更新日期：2006-08-01 00:00:00

abstract：:The effect on measured potassium values of a number of factors involved in sample acquisition and preparation were investigated. Measured potassium values in either plasma or serum were not influenced by the site of sample withdrawal, the presence of a tourniquet, or the time elapsed between blood sampling and analysi...

journal_title：Anesthesiology

authors： Hill AB,Nahrwold ML,Noonan D,Northrop P

更新日期：1980-07-01 00:00:00

abstract：BACKGROUND:The main disadvantage of the posterior approach to the block of the sciatic nerve in the popliteal fossa (popliteal block [PB]) is the need to place the patient in the prone position. In this study, the authors examined the clinical utility of a recently described lateral approach to PB that is performed wit...

journal_title：Anesthesiology

authors： Hadzić A,Vloka JD

更新日期：1998-06-01 00:00:00

abstract：BACKGROUND:Ketamine is a commonly used anesthetic, but the mechanistic basis for its clinically relevant actions remains to be determined. The authors previously showed that HCN1 channels are inhibited by ketamine and demonstrated that global HCN1 knockout mice are twofold less sensitive to hypnotic actions of ketamine...

journal_title：Anesthesiology

authors： Zhou C,Douglas JE,Kumar NN,Shu S,Bayliss DA,Chen X

更新日期：2013-04-01 00:00:00

abstract：:Alterations in platelet receptors critical to adhesion may play a role in the pathogenesis of the qualitative platelet defect associated with cardiopulmonary bypass. Using flow cytometry, we measured changes in the following platelet surface adhesive proteins: the von Willebrand factor receptor, glycoprotein Ib; the f...

journal_title：Anesthesiology

authors： Rinder CS,Mathew JP,Rinder HM,Bonan J,Ault KA,Smith BR

更新日期：1991-10-01 00:00:00

abstract：BACKGROUND:Electroconvulsion therapy is likely to serve as an effective preconditioning stimulus for inducing tolerance to ischemic brain injury. The current study examines whether electrical stimuli on the spinal cord is also capable of inducing tolerance to ischemic spinal cord injury by transient aortic occlusion. ...

journal_title：Anesthesiology

authors： Kakinohana M,Harada H,Mishima Y,Kano T,Sugahara K

更新日期：2005-07-01 00:00:00

abstract：BACKGROUND:The minimum alveolar concentration (MAC) of volatile anesthetics is decreased during pregnancy, but MAC in the early postpartum period has not been reported. The aim of this study was to determine the MAC of isoflurane and to evaluate the relation between MAC and serum progesterone and beta-endorphin in pati...

journal_title：Anesthesiology

authors： Zhou HH,Norman P,DeLima LG,Mehta M,Bass D

更新日期：1995-06-01 00:00:00

abstract：BACKGROUND:Postoperative delirium is one of the most common complications in the elderly surgical population. However, its long-term outcomes remain largely to be determined. Therefore a prospective cohort study was conducted to determine the association between postoperative delirium and long-term decline in activitie...

journal_title：Anesthesiology

authors： Shi Z,Mei X,Li C,Chen Y,Zheng H,Wu Y,Zheng H,Liu L,Marcantonio ER,Xie Z,Shen Y

更新日期：2019-09-01 00:00:00

abstract：BACKGROUND:Activation of the gamma-aminobutyric acidA (GABAA) receptor-ionophore complex has been reported as a possible molecular mechanism of the anesthetic action of propofol. Augmentation of GABA-induced inhibitory transmission has also been suggested as a mechanism. Because data describing this latter mechanism in...

journal_title：Anesthesiology

authors： Hara M,Kai Y,Ikemoto Y

更新日期：1994-10-01 00:00:00

abstract：:The effects of halothane (0.75% and 1.5%) and isoflurane (2.6%) on macroscopic Ca2+ and K+ channel currents (ICa and IK, respectively) were investigated in voltage-clamped vascular muscle cells from the canine coronary artery. Single coronary arterial cells were dialyzed with K+ glutamate solution and superfused with ...

journal_title：Anesthesiology

authors： Buljubasic N,Rusch NJ,Marijic J,Kampine JP,Bosnjak ZJ

更新日期：1992-06-01 00:00:00

abstract：BACKGROUND:Rapid elimination of nitrous oxide from the lungs at the end of inhalational anesthesia dilutes alveolar oxygen, producing "diffusion hypoxia." A similar dilutional effect on accompanying volatile anesthetic agent has not been evaluated and may impact the speed of emergence. METHODS:Twenty patients undergoi...

journal_title：Anesthesiology

authors： Peyton PJ,Chao I,Weinberg L,Robinson GJ,Thompson BR

更新日期：2011-03-01 00:00:00

abstract：WHAT WE ALREADY KNOW ABOUT THIS TOPIC:WHAT THIS ARTICLE TELLS US THAT IS NEW: BACKGROUND:: Traumatic brain injury induces cellular proliferation in the hippocampus, which generates new neurons and glial cells during recovery. This process is regulated by N-methyl-D-aspartate-type glutamate receptors, which are inhibite...

journal_title：Anesthesiology

authors： Peters AJ,Villasana LE,Schnell E

更新日期：2018-08-01 00:00:00

abstract：BACKGROUND:Acid-sensing ion channel 3 (ASIC3) upregulation has been reported in dorsal root ganglion neurons after incision and contributes to postoperative nociception. This study hypothesized that upregulation of ASIC3 in incised tissues is induced by nerve growth factor through the phosphoinositide 3-kinase/protein ...

journal_title：Anesthesiology

authors： Li H,Li H,Cheng J,Liu X,Zhang Z,Wu C

更新日期：2020-12-01 00:00:00

abstract：:Distribution and elimination of lidocaine and mepivacaine were studies in 114 subjects after obstetric epidural anesthesia, Epinephrine significantly lowered the concentrations of lidocaine in the mothers' circulations by about 33 per cent, and the concentrations of mepivacaine by about 22 per cent. It also significan...

journal_title：Anesthesiology

authors： Brown WU,Bell GC,Lurie AO,Weiss B,Scanlon JW,Alper MH

更新日期：1975-06-01 00:00:00

abstract：BACKGROUND:Blood conservation techniques are being increasingly used because of the increased cost and lack of availability of allogeneic blood. Cell salvage offers great blood savings opportunities but is thought to be contraindicated in a number of areas (e.g., blood contaminated with bacteria). Several outcome studi...

journal_title：Anesthesiology

authors： Waters JH,Tuohy MJ,Hobson DF,Procop G

更新日期：2003-09-01 00:00:00

abstract：:The dosage and blood concentration of lidocaine required to produce central nervous and cardiovascular system toxicity in both nonasphyxiated and asphyxiated fetuses were determined in ten pregnant baboons with fetuses of average gestation of 158 days (term, 185 days). Lidocaine was infused into the fetal jugular vein...

journal_title：Anesthesiology

authors： Morishima HO,Covino BG

更新日期：1981-03-01 00:00:00

abstract：BACKGROUND:Active sodium transport is the primary mechanism that drives alveolar fluid clearance. In the current study, the effects of exposure to halothane and isoflurane on alveolar fluid clearance in rats were evaluated. METHODS:Rats were exposed to either halothane (0.4% for 6 h or 2% for 2 h) or isoflurane (0.6% ...

journal_title：Anesthesiology

authors： Rezaiguia-Delclaux S,Jayr C,Luo DF,Saïdi NE,Meignan M,Duvaldestin P

更新日期：1998-03-01 00:00:00

abstract：:The neonatal neurobehavioral effects of bupivacaine, mepivacaine, and 2-chloroprocaine used in random sequence for pudendal block anesthesia were studied. The neurobehavioral status of 54 infants was studied 4 and 24 hours after delivery. Except for a significant difference in the responses to pinprick, there was no s...

journal_title：Anesthesiology

authors： Merkow AJ,McGuinness GA,Erenberg A,Kennedy RL

更新日期：1980-04-01 00:00:00

abstract：WHAT WE ALREADY KNOW ABOUT THIS TOPIC:WHAT THIS ARTICLE TELLS US THAT IS NEW: BACKGROUND:: Quantitative neuromuscular monitoring is required to ensure neuromuscular function has recovered completely at the time of tracheal extubation. The TOFscan (Drager Technologies, Canada) is a new three-dimensional acceleromyograph...

journal_title：Anesthesiology

authors： Murphy GS,Szokol JW,Avram MJ,Greenberg SB,Shear TD,Deshur M,Benson J,Newmark RL,Maher CE

更新日期：2018-11-01 00:00:00

abstract：:The effect of physostigmine on the loss of consciousness and respiratory depression induced in rabbits by flunitrazepam, 1 mg/kg, was studied to demonstrate whether the restoration of consciousness and respiration rate results from an increase in central cholinergic activity or from an interference by physostigmine wi...

journal_title：Anesthesiology

authors： Vatashsky E,Beilin B,Razin M,Weinstock M

更新日期：1986-02-01 00:00:00

abstract：BACKGROUND:Propofol is an intravenous anesthetic agent that may impair host defense system. The aim of this study was to evaluate the effects of propofol on macrophage functions and its possible mechanism. METHODS:Mouse macrophage-like Raw 264.7 cells were exposed to propofol, at 3, 30 (a clinically relevant concentra...

journal_title：Anesthesiology

authors： Chen RM,Wu CH,Chang HC,Wu GJ,Lin YL,Sheu JR,Chen TL

更新日期：2003-05-01 00:00:00

abstract：:The effect of pertussis toxin on opioid antinociception was studied in rats. Intrathecal injection of a single dose of pertussis toxin reduced the antinociceptive effect of PL017, a highly selective mu-opioid agonist, in a dose- and time-dependent manner. The maximal effective dose of pertussis toxin was 1 microgram, ...

journal_title：Anesthesiology

authors： Wong CS,Su YF,Chang KJ,Watkins WD

更新日期：1992-10-01 00:00:00

abstract：:The present study examines the postulate that isoflurane, in contrast to halothane, causes redistribution of blood flow away from an ischemic myocardial region through vasodilation of adjacent normally perfused myocardium. The study was performed in open-chest dogs anesthetized with fentanyl; ischemia was induced by o...

journal_title：Anesthesiology

authors： Moore PG,Kien ND,Reitan JA,White DA,Safwat AM

更新日期：1991-11-01 00:00:00