Increase in extracellular potassium in the brain during circulatory arrest: effects of hypothermia, lidocaine, and thiopental.

abstract：:Systemic pretreatment with ketanserin, a relatively specific type-2 serotonin receptor antagonist, significantly attenuated the muscle rigidity produced in rats by the potent short-acting opiate agonist alfentanil. Following placement of subcutaneous electrodes in each animal's left gastrocnemius muscle, rigidity was ...

journal_title：Anesthesiology

authors： Weinger MB,Cline EJ,Smith NT,Koob GF

更新日期：1987-09-01 00:00:00

abstract：BACKGROUND:Prone ventilation redistributes lung inflation along the gravitational axis; however, localized, nongravitational effects of body position are less well characterized. The authors hypothesize that positional inflation improvements follow both gravitational and nongravitational distributions. This study is a ...

journal_title：Anesthesiology

authors： Xin Y,Cereda M,Hamedani H,Martin KT,Tustison NJ,Pourfathi M,Kadlecek S,Siddiqui S,Amzajerdian F,Connell M,Abate N,Kajanaku A,Duncan I,Gee JC,Rizi RR

更新日期：2020-11-01 00:00:00

abstract：BACKGROUND:In standard textbooks, intravenous lidocaine is recommended for intubation of patients with bronchial hyperreactivity. However, whether and to what extent intravenous local anesthetics attenuate bronchial hyperreactivity in humans is unknown. Accordingly, nine awake volunteers with known bronchial hyperreact...

journal_title：Anesthesiology

authors： Groeben H,Schwalen A,Irsfeld S,Stieglitz S,Lipfert P,Hopf HB

更新日期：1996-03-01 00:00:00

abstract：:The time course of changes in brain electrical activity during halothane anesthesia was examined in 12 malignant hyperthermia-susceptible (MHS) and 14 normal (nMHS) swine. Power densities in selected frequency bands were calculated from the electroen-cephalogram (EEG). EEG and systemic variables were determined over a...

journal_title：Anesthesiology

authors： Kochs E,Hoffman WE,Roewer N,Schulte am Esch J

更新日期：1990-12-01 00:00:00

abstract：BACKGROUND:The purpose of this study was to determine whether combination of 1-5 microg intrathecal neostigmine would enhance analgesia from a fixed intrathecal dose of morphine. METHODS:A total of 60 patients undergoing gynecologic surgery were randomized to one of five groups. Patients received 15 mg bupivacaine plu...

journal_title：Anesthesiology

authors： Almeida RA,Lauretti GR,Mattos AL

更新日期：2003-02-01 00:00:00

abstract：BACKGROUND:Epidural morphine has proven analgesic efficacy in the postoperative period and is widely used. This study evaluated the efficacy of extended-release epidural morphine (EREM; DepoDur; Endo Pharmaceuticals Inc., Chadds Ford, PA; SkyePharma, Inc., San Diego, CA) in providing pain relief for 48 h after surgery....

journal_title：Anesthesiology

authors： Viscusi ER,Martin G,Hartrick CT,Singla N,Manvelian G,EREM Study Group.

更新日期：2005-05-01 00:00:00

abstract：BACKGROUND:Sugammadex (Org 25969) forms a complex with steroidal neuromuscular blocking agents, thereby reversing neuromuscular block. This study investigated the dose-response relation, safety, and pharmacokinetics of sugammadex to reverse rocuronium-induced block. METHODS:Twenty-seven male surgical patients aged 18-...

journal_title：Anesthesiology

authors： Sorgenfrei IF,Norrild K,Larsen PB,Stensballe J,Ostergaard D,Prins ME,Viby-Mogensen J

更新日期：2006-04-01 00:00:00

abstract：BACKGROUND:Although intravenous patient-controlled analgesia opioids and epidural analgesia offer improved analgesia for postoperative patients treated on an acute pain service, these modalities also expose patients to some risk of serious morbidity and even mortality. Root cause analysis, a process for identifying the...

journal_title：Anesthesiology

authors： Paul JE,Buckley N,McLean RF,Antoni K,Musson D,Kampf M,Buckley D,Marcoux M,Frketich R,Thabane L,Cheng J

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Although previous studies have proposed that anesthetics may influence signal transduction systems, their effects on the beta-adrenoceptor-mediated system have not been fully characterized in vascular smooth muscle. The aim of this study was to determine how halothane and isoflurane affect beta-adrenoceptor-...

journal_title：Anesthesiology

authors： Tanaka S,Tsuchida H

更新日期：1998-11-01 00:00:00

abstract：:Postoperative itching is an important problem in the postoperative care unit. Pruritus after surgery may be drug induced (including intrathecal opioids) or secondary to a preexisting systemic disease. Mechanisms of itching are complex and not completely understood. The purpose of this review is to highlight new discov...

journal_title：Anesthesiology

authors： Waxler B,Dadabhoy ZP,Stojiljkovic L,Rabito SF

更新日期：2005-07-01 00:00:00

abstract：BACKGROUND:Elimination of daily-routine chest radiographs (CXRs) may influence chest computed tomography (CT) and ultrasound practice in critically ill patients. METHODS:This was a retrospective cohort study including all patients admitted to a university-affiliated intensive care unit during two consecutive periods o...

journal_title：Anesthesiology

authors： Kröner A,Binnekade JM,Graat ME,Vroom MB,Stoker J,Spronk PE,Schultz MJ

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:Transcranial motor-evoked potentials (TcMEPs) monitor spinal cord motor tract integrity. Using a swine model, the authors studied the effects of vasodilatory hypotension, hemorrhage, and various resuscitation efforts on TcMEP responses. METHODS:Twelve pigs were anesthetized with constant infusions of propof...

journal_title：Anesthesiology

authors： Lieberman JA,Feiner J,Lyon R,Rollins MD

更新日期：2013-11-01 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：BACKGROUND:Recent evidence implicates nitric oxide (*NO) in the pathogenesis of preeclampsia. The authors tested the hypothesis that administration of low-dose endotoxin to pregnant rats mimics the signs of preeclampsia in humans and that *NO and *NO-derived species play a role in that animal model. METHODS:Endotoxin ...

journal_title：Anesthesiology

authors： Sakawi Y,Tarpey M,Chen YF,Calhoun DA,Connor MG,Chestnut DH,Parks DA

更新日期：2000-12-01 00:00:00

abstract：BACKGROUND:Midazolam and alfentanil are desirable anesthetic adjuncts for cardiac anesthesia. They are metabolized by cytochrome P450 3A (CYP3A) enzymes. These isozymes are inhibited by concurrent medications, including the calcium channel antagonist diltiazem, which may have an effect on recovery from anesthesia. MET...

journal_title：Anesthesiology

authors： Ahonen J,Olkkola KT,Salmenperä M,Hynynen M,Neuvonen PJ

更新日期：1996-12-01 00:00:00

abstract：BACKGROUND:The mechanisms of amino-amide local anesthetic agent-induced vasoconstriction remain unclear. The current study was designed to examine the roles of the protein kinase C (PKC), Rho kinase, and p44/42 mitogen-activated protein kinase (p44/42 MAPK) signaling pathways in calcium (Ca2+)-sensitization mechanisms ...

journal_title：Anesthesiology

authors： Yu J,Tokinaga Y,Kuriyama T,Uematsu N,Mizumoto K,Hatano Y

更新日期：2005-09-01 00:00:00

abstract：BACKGROUND:The authors hypothesized that low tidal volume (VT) would minimize ventilator-induced lung injury regardless of the degree of mechanical power. The authors investigated the impact of power, obtained by different combinations of VT and respiratory rate (RR), on ventilator-induced lung injury in experimental m...

journal_title：Anesthesiology

authors： Santos RS,Maia LA,Oliveira MV,Santos CL,Moraes L,Pinto EF,Samary CDS,Machado JA,Carvalho AC,Fernandes MVS,Martins V,Capelozzi VL,Morales MM,Koch T,Gama de Abreu M,Pelosi P,Silva PL,Rocco PRM

更新日期：2018-06-01 00:00:00

abstract：BACKGROUND:Inhaled nitric oxide (NO), an endothelium-derived relaxing factor, is a selective pulmonary vasodilator. The authors investigated whether inhaled NO decreases pulmonary vascular resistance (PVR) while preserving hypoxic pulmonary vasoconstriction and whether it maintains or improves oxygenation in patients d...

journal_title：Anesthesiology

authors： Rich GF,Lowson SM,Johns RA,Daugherty MO,Uncles DR

更新日期：1994-01-01 00:00:00

abstract：:The effects of subparalytic doses of succinylcholine and d-tubocurarine on epinephrine-induced cardiac arrhythmias during halothane anesthesia were evaluated in dogs. Succinylcholine markedly increased (P is less than .05) the arrhythmogenicity of epinephrine and d-tubocurarine slightly decreased (P is less than .05) ...

journal_title：Anesthesiology

authors： Tucker WK,Munson ES

更新日期：1975-01-01 00:00:00

abstract：BACKGROUND:Investigators in the authors' laboratory previously established the critical participation of the cerulospinal noradrenergic pathway in muscular rigidity elicited by fentanyl. The identification of colocalization of glutamate with tyrosine hydroxylase in most locus ceruleus neurons suggests a role for cerulo...

journal_title：Anesthesiology

authors： Fu MJ,Tsen LY,Lee TY,Lui PW,Chan SH

更新日期：1997-12-01 00:00:00

abstract：:This study was designed to assess the relationship between MAC and hypertension. To this purpose, MAC of halothane was determined in fully inbred spontaneously hypertensive rats (SHR) and Wistar Kyoto rats (WKY). Because MAC determination was performed in animals whose lungs were mechanically ventilated, the adequacy ...

journal_title：Anesthesiology

authors： Wouters P,Doursout MF,Merin RG,Chelly JE

更新日期：1990-05-01 00:00:00

abstract：BACKGROUND:Mask ventilation is considered a "basic" skill for airway management. A one-handed "EC-clamp" technique is most often used after induction of anesthesia with a two-handed jaw-thrust technique reserved for difficult cases. Our aim was to directly compare both techniques with the primary outcome of air exchang...

journal_title：Anesthesiology

authors： Joffe AM,Hetzel S,Liew EC

更新日期：2010-10-01 00:00:00

abstract：:Sevoflurane was submitted to phase-1 studies in man following extensive testing in animal species during maintenance, was administered with oxygen to produce one hour of anesthesia in six healthy adult male volunteers. Respiratory and cardiovascular functions, the electroencephalogram, arterial blood gases, blood sevo...

journal_title：Anesthesiology

authors： Holaday DA,Smith FR

更新日期：1981-02-01 00:00:00

abstract：BACKGROUND:Previous studies have shown that desflurane and isoflurane produce similar hemodynamic actions. This investigation examined the cardiovascular effects of desflurane and isoflurane in the presence or absence of dexmedetomidine, a highly selective alpha 2-adrenergic agonist that may be clinically useful as a p...

journal_title：Anesthesiology

authors： Kersten J,Pagel PS,Tessmer JP,Roerig DL,Schmeling WT,Warltier DC

更新日期：1993-11-01 00:00:00

abstract：:Malpractice claims filed against anesthesiologists for care involving obstetric (OB) anesthesia (n = 190) were taken from the American Society of Anesthesiologists' Closed Claims Database and compared to claims not involving OB cases (n = 1351). The most common complications in the OB claims were (percentage of all OB...

journal_title：Anesthesiology

authors： Chadwick HS,Posner K,Caplan RA,Ward RJ,Cheney FW

更新日期：1991-02-01 00:00:00

abstract：:Critically ill patients requiring mechanical ventilation are particularly susceptible to malnutrition. A knowledge of the energy requirements of these patients is essential in designing nutritional regimens. This study examines 45 resting energy-expenditure measurements performed in a group (n = 40) of postoperative, ...

journal_title：Anesthesiology

authors： Weissman C,Kemper M,Askanazi J,Hyman AI,Kinney JM

更新日期：1986-06-01 00:00:00

abstract：BACKGROUND:Isoflurane induces cell death in neurons undergoing synaptogenesis via increased production of pro-brain-derived neurotrophic factor (proBDNF) and activation of postsynaptic p75 neurotrophin receptor (p75). Astrocytes express p75, but their role in neuronal p75-mediated cell death remains unclear. The author...

journal_title：Anesthesiology

authors： Stary CM,Sun X,Giffard RG

更新日期：2015-10-01 00:00:00

abstract：:A constantly coupled bigeminal arrhythmia was induced in dogs anesthetized with thiopental-halothane by infusion of epinephrine (1 microgram.kg-1.min-1). The site of origin of the abnormal beat was localized to the interventricular septum by bipolar recordings from the left and right ventricular epicardium and two sit...

journal_title：Anesthesiology

authors： Smith ER,Dresel PE

更新日期：1982-08-01 00:00:00

abstract：:It is now well established that the pathophysiology of the malignant hyperthermia (MH) syndrome is related to a malfunction of intracellular calcium homeostasis. Magnesium plays important roles in the basic contractile properties of muscle, and many of its actions are antagonistic to those of calcium. The aim of this ...

journal_title：Anesthesiology

authors： Lopez JR,Sanchez V,Lopez I,Ryan JF,Mendoza M,Sreter FA,Allen PD

更新日期：1990-07-01 00:00:00

abstract：:This study was performed to determine the potency of succinylcholine using the single-dose technique, and to test the ability of the cumulative dose technique for generating dose-response data. Thirty-eight adult patients received single doses (n = 18), cumulative doses (n = 10), or cumulative doses of succinylcholine...

journal_title：Anesthesiology

authors： Smith CE,Donati F,Bevan DR

更新日期：1988-09-01 00:00:00