Halothane and isoflurane differentially affect the regulation of dopamine and gamma-aminobutyric acid release mediated by presynaptic acetylcholine receptors in the rat striatum.

abstract：BACKGROUND:The concept of the axillary "sheath" has been a central tenet of brachial plexus regional anesthesia for many years. Recent investigations have cast doubt on its nature and existence. This study further examines the issue. METHODS:Computerized axial tomographic dye studies were performed using continuous ca...

journal_title：Anesthesiology

authors： Cornish PB,Leaper C

更新日期：2006-09-01 00:00:00

abstract：BACKGROUND:Inhaled nitric oxide (NO), a selective vasodilator, improves oxygenation in many patients with adult respiratory distress syndrome (ARDS). Vasoconstrictors may also improve oxygenation, possibly by enhancing hypoxic pulmonary vasoconstriction. This study compared the effects of phenylephrine, NO, and their c...

journal_title：Anesthesiology

authors： Doering EB,Hanson CW 3rd,Reily DJ,Marshall C,Marshall BE

更新日期：1997-07-01 00:00:00

abstract：:Desflurane (formerly I-653) is a new inhalaticnal anesthetic with a promising pharmacokinetic profile that includes low solubility in blood and tissue, including fat. Since its lipid solubility is less than that of other volatile agents, it may have lower potency. Low solubility would be expected to increase the rate ...

journal_title：Anesthesiology

authors： Rampil IJ,Lockhart SH,Zwass MS,Peterson N,Yasuda N,Eger EI 2nd,Weiskopf RB,Damask MC

更新日期：1991-03-01 00:00:00

abstract：:To determine if a relationship exists between perioperative myocardial ischemia (ST segment depression greater than or equal to 0.1 mV) and postoperative myocardial infarction (PMI), nonparticipating observers recorded all ECG, hemodynamic, and other events between arrival of patients in the operating room and onset o...

journal_title：Anesthesiology

authors： Slogoff S,Keats AS

更新日期：1985-02-01 00:00:00

abstract：BACKGROUND:Propofol (2,6-diisopropylphenol) is one of the most frequently used anesthetic agents. One of the main side effects of propofol is to reduce blood pressure, which is thought to occur by inhibiting the release of catecholamines from sympathetic neurons. Here, the authors hypothesized that propofol-induced hyp...

journal_title：Anesthesiology

authors： Han L,Fuqua S,Li Q,Zhu L,Hao X,Li A,Gupta S,Sandhu R,Lonart G,Sugita S

更新日期：2016-04-01 00:00:00

abstract：:The authors undertook a prospective study of 30 patients undergoing halothane anesthesia for coronary-artery revascularization to ascertain which clinically monitored hemodynamic variables--or combination of variables--associated with myocardial oxygen supply and demand best predict myocardial ischemia. Simultaneous r...

journal_title：Anesthesiology

authors： Lieberman RW,Orkin FK,Jobes DR,Schwartz AJ

更新日期：1983-07-01 00:00:00

abstract：:Depressive effect of halothane on carotid sinus baroreceptor function may be due to direct local action, in the CNS, or both. Paris of dogs were anesthetized with pentobarbital and ventilated with oxygen. The carotid sinus of the recipient dog was isolated and perfused with blood from the common carotid artery of the ...

journal_title：Anesthesiology

authors： Behnia R,Koushanpour E

更新日期：1984-08-01 00:00:00

abstract：:Neurophysiologic studies indicate that local anesthetic-induced seizures are generated in subcortical brain structures. The authors utilized a quantitative autoradiographic technique to measure cerebral metabolism during lidocaine-induced seizure activity in rats anesthetized with nitrous oxide. Local cerebral metabol...

journal_title：Anesthesiology

authors： Ingvar M,Shapiro HM

更新日期：1981-01-01 00:00:00

abstract：BACKGROUND:A primary source of calcium (Ca2+) necessary for excitation contraction in vascular smooth muscle (VSM) is influx via voltage-dependent Ca2+ channels. Thus, force generation in VSM is coupled closely to resting transmembrane potential, which itself is primarily a function of potassium conductance. Previously...

journal_title：Anesthesiology

authors： Kokita N,Stekiel TA,Yamazaki M,Bosnjak ZJ,Kampine JP,Stekiel WJ

更新日期：1999-03-01 00:00:00

abstract：BACKGROUND:Anesthetics administered to immature brains may cause histopathological changes and long-term behavioral abnormalities. The association between perinatal exposure to anesthetics during Cesarean delivery (CD) and development of learning disabilities (LD) was determined in a population-based birth cohort. MET...

journal_title：Anesthesiology

authors： Sprung J,Flick RP,Wilder RT,Katusic SK,Pike TL,Dingli M,Gleich SJ,Schroeder DR,Barbaresi WJ,Hanson AC,Warner DO

更新日期：2009-08-01 00:00:00

abstract：BACKGROUND:The dose-dependent myocardial depression of volatile general anesthetics such as isoflurane has been linked to blockade of L-type Ca2+ channels. The effects of (+)- and (-)-isoflurane on the inhibition of [3H]isradipine binding to L-type Ca2+ channels in membranes prepared from mouse heart were examined. In ...

journal_title：Anesthesiology

authors： Moody EJ,Harris B,Hoehner P,Skolnick P

更新日期：1994-07-01 00:00:00

abstract：:Changes in hepatic plasma flow (HPF) during sodium nitroprusside (SNP) induced hypotension were studied in 14 patients undergoing intracranial aneurysm surgery under neurolept anesthesia. Patients were monitored with the use of a radial artery catheter and a thermistor-tipped Swan-Ganz catheter. Hypotension was induce...

journal_title：Anesthesiology

authors： Chauvin M,Bonnet F,Montembault C,Lafay M,Curet P,Viars P

更新日期：1985-09-01 00:00:00

abstract：BACKGROUND:Postoperative nausea and vomiting (PONV) is still common, especially among female patients. Our hypothesis is that coinduction with clonidine reduces the incidence of PONV in adult patients undergoing breast cancer surgery. METHODS:Sixty-eight women premedicated with midazolam were randomly allocated to coi...

journal_title：Anesthesiology

authors： Oddby-Muhrbeck E,Eksborg S,Bergendahl HT,Muhrbeck O,Lönnqvist PA

更新日期：2002-05-01 00:00:00

abstract：INTRODUCTION:Spinal alpha2-adrenoceptor stimulation produces analgesia in neuropathic pain states, and this effect in animals is blocked by the inhibitors of brain-derived neurotrophic factor (BDNF) function. In rats, alpha2-adrenoceptor stimulation normally inhibits acetylcholine release, but it excites release after ...

journal_title：Anesthesiology

authors： Hayashida K,Eisenach JC

更新日期：2010-08-01 00:00:00

abstract：BACKGROUND:Adaptive support ventilation (ASV) allows the clinician to set a maximum plateau pressure (PP) and automatically adjusts tidal volume to keep PP below the set maximum. METHODS:ASV was compared to a fixed tidal volume of 6 ml/kg. ASV determined the respiratory rate and tidal volume based on its algorithms. M...

journal_title：Anesthesiology

authors： Sulemanji D,Marchese A,Garbarini P,Wysocki M,Kacmarek RM

更新日期：2009-10-01 00:00:00

abstract：:To determine whether neuronal firing is affected by anesthetics, the behavior of neurons in the mesencephalic reticular formation in response to repetitive somatosensory stimulation at 2/sec was studied during wakefulness and during nitrous oxide, halothane, and thiopental anesthesia in the cat. With clinical doses of...

journal_title：Anesthesiology

authors： Shimoji K,Matsuki M,Shimizu H,Maruyama Y,Aida S

更新日期：1977-10-01 00:00:00

abstract：:The effects of enflurane, halothane, and isoflurane on myocardial potentiated-state contractions were examined in a study in which each of the anesthetics was presented, in random order, to each of eight isolated rabbit papillary muscles. Post-rest potentiated-state contractions were elicited by imposing a stimulus at...

journal_title：Anesthesiology

authors： DeTraglia MC,Komai H,Rusy BF

更新日期：1988-04-01 00:00:00

abstract：BACKGROUND:Many studies have demonstrated that either glutamate -methyl-d-aspartate (NMDA) receptor antagonists or opioid receptor agonists provide antinociception. Spinal coadministration of an NMDA receptor antagonist and morphine has an additive action for control of various pain states in animal models. The current...

journal_title：Anesthesiology

authors： Lu Y,Vera-Portocarrero LP,Westlund KN

更新日期：2003-03-01 00:00:00

abstract：:The effects of epinephrine 1/200,000 as an adjuvant to epidural morphine were investigated in three healthy male volunteers, during 26-h observation sessions. Peak blood concentrations of morphine were 44 +/- 12.9 ng/ml after plain morphine and 13.7 +/- 6.7 ng/ml after epinephrine-morphine. Cutaneous hypalgesia was mo...

journal_title：Anesthesiology

authors： Bromage PR,Camporesi EM,Durant PA,Nielsen CH

更新日期：1983-03-01 00:00:00

abstract：BACKGROUND:Mortality after noncardiac surgery has been associated with the "triple low state," a combination of low mean arterial blood pressure (<75 mmHg), low bispectral index (<45), and low minimum alveolar concentration of volatile anesthesia (<0.70). The authors set out to determine whether duration of a triple lo...

journal_title：Anesthesiology

authors： Kertai MD,White WD,Gan TJ

更新日期：2014-07-01 00:00:00

abstract：BACKGROUND:Aqueous suspensions of the local anesthetic n-butyl-p-aminobenzoate (BAB), epidurally applied in terminal cancer patients, resulted in a sensory blockade, lasting up to several months. To investigate the mechanism of action on the cellular level, the effect of 100 microM BAB on Na+ action potentials and on N...

journal_title：Anesthesiology

authors： Van den Berg RJ,Van Soest PF,Wang Z,Grouls RJ,Korsten HH

更新日期：1995-06-01 00:00:00

abstract：:Whereas opiate receptor agonists have resulted in spinal cord damage; opiate receptor antagonists have demonstrated protection against spinal cord injury. Because opioids are used in clinical anesthesia, the effect of an opiate antagonist was evaluated on neurologic outcome in a rat model of spinal cord injury occurri...

journal_title：Anesthesiology

authors： Cole DJ,Drummond JC,Shapiro HM,Hertzog RE,Brauer FS

更新日期：1989-09-01 00:00:00

abstract：BACKGROUND:Ca is the dominant second messenger in primary sensory neurons. In addition, disrupted Ca signaling is a prominent feature in pain models involving peripheral nerve injury. Standard cytoplasmic Ca recording techniques use high K or field stimulation and dissociated neurons. To compare findings in intact dors...

journal_title：Anesthesiology

authors： Gemes G,Rigaud M,Koopmeiners AS,Poroli MJ,Zoga V,Hogan QH

更新日期：2010-07-01 00:00:00

abstract：BACKGROUND:The pharmacokinetics of epidurally administered drugs has been the subject of many studies, yet drug concentration in the epidural space has never been measured. This study was undertaken to characterize the epidural, cerebrospinal fluid, and plasma pharmacokinetics of epidurally administered opioids on the ...

journal_title：Anesthesiology

authors： Bernards CM,Shen DD,Sterling ES,Adkins JE,Risler L,Phillips B,Ummenhofer W

更新日期：2003-08-01 00:00:00

abstract：BACKGROUND:In acute lung injury positive end-expiratory pressure (PEEP) and recruitment maneuver are proposed to optimize arterial oxygenation. The aim of the study was to evaluate the impact of such a strategy on lung histological inflammation and hyperinflation in pigs with acid aspiration-induced lung injury. METHO...

journal_title：Anesthesiology

authors： Ambrosio AM,Luo R,Fantoni DT,Gutierres C,Lu Q,Gu WJ,Otsuki DA,Malbouisson LM,Auler JO Jr,Rouby JJ,Experimental ARDS Study Group.

更新日期：2012-12-01 00:00:00

abstract：:The safety and efficacy of epidural morphine injected into the caudal space for control of postoperative pain following open cardiac surgery in children was studied. Thirty-two children between the ages of 2-12 yr for whom early postoperative tracheal extubation was anticipated were randomly assigned to control and st...

journal_title：Anesthesiology

authors： Rosen KR,Rosen DA

更新日期：1989-03-01 00:00:00

abstract：BACKGROUND:To minimize the risk of pneumonia, many anesthesiologists delay anesthesia-requiring procedures when patients exhibit signs of viral upper respiratory tract infection. Postinfluenza secondary bacterial pneumonias (SBPs) are a major cause of morbidity and mortality. An increased host susceptibility to SBP pos...

journal_title：Anesthesiology

authors： MacDonald BA,Chakravarthy KV,Davidson BA,Mullan BA,Alluri R,Hakansson AP,Knight PR

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:We compared the effects of etomidate and ketamine on the hypothalamic-pituitary-adrenal axis during sepsis. METHODS:Mice (n = 5/group) were injected intraperitoneally with lipopolysaccharide (10 mg/kg) and 6 h later randomized to receive ketamine (100 mg/kg), etomidate (30 mg/kg), or saline. At two time poi...

journal_title：Anesthesiology

authors： Besnier E,Clavier T,Tonon MC,Selim J,Lefevre-Scelles A,Morin F,Tamion F,Dureuil B,Castel H,Compere V

更新日期：2017-08-01 00:00:00

abstract：:To determine whether administration of nitrous oxide, 50% and 70%, could provide analgesia and anxiolysis during venous cannulation in pediatric patients, 165 ASA Physical Status 1 patients scheduled for elective surgery were studied. Children, 3 weeks to 18 yr of age, were randomly assigned either to receive nitrous ...

journal_title：Anesthesiology

authors： Henderson JM,Spence DG,Komocar LM,Bonn GE,Stenstrom RJ

更新日期：1990-02-01 00:00:00

abstract：BACKGROUND:In the partial CO(2) rebreathing method, monitored changes in CO(2) elimination and end-tidal CO(2) in response to a brief rebreathing period are used to estimate cardiac output. However, dynamic changes in CO(2) production during ischemia and reperfusion may affect the accuracy of these estimates. This stud...

journal_title：Anesthesiology

authors： Kotake Y,Moriyama K,Innami Y,Shimizu H,Ueda T,Morisaki H,Takeda J

更新日期：2003-08-01 00:00:00