Calcium concentration-dependent mechanisms through which ketamine relaxes canine airway smooth muscle.

abstract：BACKGROUND:Establishment of early oral nutrition after surgery is associated with a decrease in morbidity and mortality. The following studies were undertaken to determine how surgery influences food-reinforced behavior in rats and to determine the relevance of afferent input from the incision site on this behavior. M...

journal_title：Anesthesiology

authors： Martin TJ,Kahn WR,Eisenach JC

更新日期：2005-09-01 00:00:00

abstract：BACKGROUND:Inhaled nitric oxide (NO) may be useful in the treatment of adult respiratory distress syndrome and other diseases characterized by pulmonary hypertension and hypoxemia. NO is rapidly converted to nitrogen dioxide (NO2) in oxygen (O2) environments. We hypothesized that in patients whose lungs are mechanicall...

journal_title：Anesthesiology

authors： Nishimura M,Hess D,Kacmarek RM,Ritz R,Hurford WE

更新日期：1995-05-01 00:00:00

abstract：BACKGROUND:Remifentanil anesthesia enhances postoperative pain in animals and humans. The authors evaluated the impact of the dose (microg x kg(-1) x min(-1)) and duration of remifentanil infusion, and the effects of a second surgery on postoperative pain sensitization. METHODS:Mice received different doses of remifen...

journal_title：Anesthesiology

authors： Cabañero D,Campillo A,Célérier E,Romero A,Puig MM

更新日期：2009-12-01 00:00:00

abstract：:Although it generally is agreed that halothane is a pulmonary vasodilator, its effect on venous admixture and hypoxic pulmonary vasoconstriction are more controversial. The effects of 2.4% halothane on pulmonary vascular resistance and venous admixture were investigated in an isolated canine lobe made atelectatic. Hal...

journal_title：Anesthesiology

authors： Johnson D,Hurst T,Mayers I

更新日期：1992-08-01 00:00:00

abstract：BACKGROUND:The most sensitive diagnostic criterion of myasthenia gravis is a decrement in the muscular response to repetitive stimulation. The authors hypothesized that myasthenia gravis patients who show a train-of-four ratio (T4/T1) < 0.9 in the preanesthetic period will have increased sensitivity to nondepolarizing ...

journal_title：Anesthesiology

authors： Mann R,Blobner M,Jelen-Esselborn S,Busley R,Werner C

更新日期：2000-08-01 00:00:00

abstract：BACKGROUND:Although inhalation anesthetic agents are thought to impair cerebral autoregulation more than intravenous agents, there are few controlled studies in humans. METHODS:In the first group (n = 24), dynamic autoregulation was assessed from the response of middle cerebral artery blood flow velocity (Vmca) to a t...

journal_title：Anesthesiology

authors： Strebel S,Lam AM,Matta B,Mayberg TS,Aaslid R,Newell DW

更新日期：1995-07-01 00:00:00

abstract：BACKGROUND:Previous attempts at improving operating room utilization have generally emphasized more accurate scheduling, starting the first case on time, and reducing turnover time. Surgical case cancellations have largely been ignored except for recommendations for preoperative screening and good physician-patient com...

journal_title：Anesthesiology

authors： Basson MD,Butler TW,Verma H

更新日期：2006-04-01 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：:The effects on fertility and reproductive wastage of 110 female Swiss/Webster mice and postnatal survival of their offspring were examined after exposure to either air, 0.4% isoflurane, or 0.1% isoflurane. Treatments were for 4 h daily for 2 weeks before and during pregnancy. In a second experiment, the effects on fer...

journal_title：Anesthesiology

authors： Mazze RI

更新日期：1985-12-01 00:00:00

abstract：BACKGROUND:Perioperative beta-blockade has been shown to improve long-term cardiac outcome in noncardiac surgical patients. A possible mechanism for the reduced risk of perioperative myocardial infarction is the attenuation of the excitotoxic effects of catecholamine surges by beta-blockade. It was hypothesized that be...

journal_title：Anesthesiology

authors： Zaugg M,Tagliente T,Lucchinetti E,Jacobs E,Krol M,Bodian C,Reich DL,Silverstein JH

更新日期：1999-12-01 00:00:00

abstract：BACKGROUND:The volatile anesthetic isoflurane reduces acute and delayed neuron death in vitro models of brain ischemia, an action that the authors hypothesize is related to moderate increases in intracellular calcium concentration ([Ca2+]i). Specifically, the authors propose that during hypoxia, moderate increases in [...

journal_title：Anesthesiology

authors： Gray JJ,Bickler PE,Fahlman CS,Zhan X,Schuyler JA

更新日期：2005-03-01 00:00:00

abstract：:Twenty-four patients survived life-threatening clinical anaphylaxis due to anesthesia. In each case the diagnosis of anaphylaxis was confirmed and the responsible drug was found by intradermal testing. To determine whether the reactions were anaphylactic or anaphylactoid, serum from each patient was tested for reagini...

journal_title：Anesthesiology

authors： Fisher MM

更新日期：1980-04-01 00:00:00

abstract：:Magnesium plays a fundamental role in many cellular functions, and thus there is increasing interest in its role in clinical medicine. Although numerous experimental studies indicate positive effects of magnesium in a variety of disease states, large clinical trials often give conflicting results. However, there is cl...

journal_title：Anesthesiology

authors： Herroeder S,Schönherr ME,De Hert SG,Hollmann MW

更新日期：2011-04-01 00:00:00

abstract：BACKGROUND:The authors hypothesized that myoclonus after etomidate is dose-related, could be suppressed when small doses of etomidate were administered before induction, and is unassociated with seizure-like activity on electroencephalogram (EEG). METHODS:Three studies were performed. In the first study, 36 men were r...

journal_title：Anesthesiology

authors： Doenicke AW,Roizen MF,Kugler J,Kroll H,Foss J,Ostwald P

更新日期：1999-01-01 00:00:00

abstract：BACKGROUND:Acid instillation leads to direct lung and to secondary systemic organ injury, probably via activated macrophages and neutrophils. This study investigated the effects of neutrophil elastase on organ injury after unilateral lung acid instillation by administrating a specific neutrophil elastase inhibitor, ONO...

journal_title：Anesthesiology

authors： Kaneko K,Kudoh I,Hattori S,Yamada H,Ohara M,Wiener-Kronish J,Okumura F

更新日期：1997-09-01 00:00:00

abstract：BACKGROUND:Previous studies reported that thoracic epidural anesthesia (TEA) protected against a decrease in gastric intramucosal pH, suggesting that TEA increased gut mucosal perfusion. The current study examines the effects of TEA on ileal mucosa using intravital microscopy in anesthetized rats. METHODS:Nineteen rat...

journal_title：Anesthesiology

authors： Sielenkämper AW,Eicker K,Van Aken H

更新日期：2000-09-01 00:00:00

abstract：BACKGROUND:Controversy exists regarding the effectiveness of propofol to prevent postoperative nausea and vomiting. This prospective, randomized, single-blinded study was designed to evaluate the antiemetic effectiveness of 0.5 mg/kg propofol when administered intravenously after sevoflurane- compared with desflurane-b...

journal_title：Anesthesiology

authors： Song D,Whitten CW,White PF,Yu SY,Zarate E

更新日期：1998-10-01 00:00:00

abstract：BACKGROUND:Breastfeeding is an important public health concern. High cumulative doses of epidural fentanyl administered for labor analgesia have been reported to be associated with early termination of breastfeeding. We tested the hypothesis that breastfeeding success is adversely influenced by the cumulative epidural ...

journal_title：Anesthesiology

authors： Lee AI,McCarthy RJ,Toledo P,Jones MJ,White N,Wong CA

更新日期：2017-10-01 00:00:00

abstract：BACKGROUND:The spinal cord appears to be the site at which isoflurane suppresses movement that occurs in response to a noxious stimulus. In an attempt to localize its site of suppressant action, the authors determined the effect of isoflurane on dorsal horn neuronal responses to supramaximal noxious stimulation at end-...

journal_title：Anesthesiology

authors： Antognini JF,Carstens E

更新日期：1999-01-01 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:Cardiac complications are common during the postoperative period and may be associated with hypoxemia and tachycardia. Preliminary studies in high-risk patients after operation have shown a possible beneficial effect of oxygen therapy on arterial oxygen saturation and heart rate. METHODS:The authors studied...

journal_title：Anesthesiology

authors： Rosenberg-Adamsen S,Lie C,Bernhard A,Kehlet H,Rosenberg J

更新日期：1999-02-01 00:00:00

abstract：BACKGROUND:Whether anesthetic agents administered during gamete intrafallopian transfer (GIFT) affect reproductive outcome is controversial. This multicenter pilot trial and survey had two purposes: to evaluate the effect of propofol, nitrous oxide, midazolam, and isoflurane on pregnancy outcome after GIFT, and to dete...

journal_title：Anesthesiology

authors： Beilin Y,Bodian CA,Mukherjee T,Andres LA,Vincent RD Jr,Hock DL,Sparks AE,Munson AK,Minnich ME,Steinkampf MP,Christman GM,McKay RS,Eisenkraft JB

更新日期：1999-01-01 00:00:00

abstract：BACKGROUND:Tracheal intubation frequently results in reversible bronchoconstriction. Propofol has been reported to minimize this response in healthy patients and in asthma patients, but may be unsuitable for hemodynamically unstable patients for whom etomidate may be preferable. The current study examined respiratory r...

journal_title：Anesthesiology

authors： Eames WO,Rooke GA,Wu RS,Bishop MJ

更新日期：1996-06-01 00:00:00

abstract：BACKGROUND:In airway smooth muscle (ASM), volatile anesthetics deplete sarcoplasmic reticulum (SR) Ca(2+) stores by increasing Ca(2+) "leak." Accordingly, SR replenishment becomes dependent on Ca(2+) influx. Depletion of SR Ca(2+) stores triggers Ca(2+) influx via specific plasma membrane channels, store-operated Ca(2+...

journal_title：Anesthesiology

authors： Pabelick CM,Ay B,Prakash YS,Sieck GC

更新日期：2004-08-01 00:00:00

abstract：BACKGROUND:CW002 is a neuromuscular blocking drug that is inactivated by endogenous L-cysteine. This study determined the exogenous L-cysteine dose-response relationship for CW002 reversal along with acute cardiovascular effects and organ toxicity in dogs. METHODS:Six dogs were each studied four times during isofluran...

journal_title：Anesthesiology

authors： Sunaga H,Malhotra JK,Yoon E,Savarese JJ,Heerdt PM

更新日期：2010-04-01 00:00:00

abstract：BACKGROUND:Isoflurane has been said to be more ventilatory depressant than halothane. However, data for comparing the respiratory effects of halothane and isoflurane in humans are insufficient at this time. The aim of this study was to extend our understanding of the nature of the central, as opposed to peripheral, ven...

journal_title：Anesthesiology

authors： Canet J,Sanchis J,Zegrí A,Llorente C,Navajas D,Casan P

更新日期：1994-09-01 00:00:00

abstract：BACKGROUND:Anesthetic preconditioning (APC) is a clinically important phenomenon in which volatile anesthetics (VAs) protect tissues such as heart against ischemic injury. The mechanism of APC is thought to involve K channels encoded by the Slo gene family, and the authors showed previously that slo-2 is required for A...

journal_title：Anesthesiology

authors： Wojtovich AP,Smith CO,Urciuoli WR,Wang YT,Xia XM,Brookes PS,Nehrke K

更新日期：2016-05-01 00:00:00

abstract：:The cerebral metabolic effects of a massive dose of thiopental (177 mg/kg) were investigated in seven dogs. The systemic circulation was supported with an extracorporeal circuit. At an infusion rate of 2 mg/kg/min, cerebral oxygen consumption (CMR(O(2))) decreased progressively until cerebral electrical silence was pr...

journal_title：Anesthesiology

authors： Michenfelder JD

更新日期：2002-10-01 00:00:00

abstract：BACKGROUND:Since the effects of antiemetic doses of droperidol on the QT interval have not been previously studied, the authors designed a randomized, double-blind, placebo-controlled study to evaluate the intraoperative and postoperative effects of small-dose droperidol (0.625 and 1.25 mg intravenous) on the QT interv...

journal_title：Anesthesiology

authors： White PF,Song D,Abrao J,Klein KW,Navarette B

更新日期：2005-06-01 00:00:00

abstract：:Complications after major surgery are a leading cause of morbidity and mortality. The etiology of postoperative complications is complex, but poor cardiorespiratory reserve appears to be a key factor. There is increasing interest in the use of central and mixed venous oxygen saturation to guide therapeutic interventio...

journal_title：Anesthesiology

authors： Shepherd SJ,Pearse RM

更新日期：2009-09-01 00:00:00