Comparison of bispectral index and composite auditory evoked potential index for monitoring depth of hypnosis in children.

abstract：:The purpose of this study was to evaluate the analgesic contribution of intravenously administered lidocaine and to correlate it with blood levels of the drug. In a double-blind manner, 14 healthy male volunteers received saline solution or lidocaine, 0.2 per cent, at three increasingly greater rates of infusion on tw...

journal_title：Anesthesiology

authors： Rowlingson JC,DiFazio CA,Foster J,Carron H

更新日期：1980-01-01 00:00:00

abstract：BACKGROUND:Optimal analgesia for total knee arthroplasty remains challenging. Many modalities have been used, including peripheral nerve block, periarticular infiltration, and epidural analgesia. However, the relative efficacy of various modalities remains unknown. The authors aimed to quantify and rank order the effic...

journal_title：Anesthesiology

authors： Terkawi AS,Mavridis D,Sessler DI,Nunemaker MS,Doais KS,Terkawi RS,Terkawi YS,Petropoulou M,Nemergut EC

更新日期：2017-05-01 00:00:00

abstract：BACKGROUND:Multiport epidural catheters are popular; however, the reliability of the air test has not been evaluated with this catheter design. The authors determined the effectiveness of aspirating for blood and the air test in detecting intravascular multiorifice epidural catheters. METHODS:Three hundred women in la...

journal_title：Anesthesiology

authors： Leighton BL,Topkis WG,Gross JB,Arkoosh VA,Lee SH,Huffnagle HJ,Huffnagle SL

更新日期：2000-06-01 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：BACKGROUND:Opioids are used by patients who have conditions ranging from the acute pain of surgery and chronic cancer pain to substance abuse. Despite their widespread use and considerable experimental data about them, little is known about how opioids may alter in vivo immunity in humans. This study was designed to ev...

journal_title：Anesthesiology

authors： Yeager MP,Colacchio TA,Yu CT,Hildebrandt L,Howell AL,Weiss J,Guyre PM

更新日期：1995-09-01 00:00:00

abstract：:The effects of increased intracranial pressure (ICP) and increased cardiac output (QT) on the pulmonary vascular response to regional alveolar hypoxia were compared in pentobarbital-anesthetized, closed-chested dogs. A bronchial divider was inserted, the right lung (RL) was continuously ventilated with 100% O2, and th...

journal_title：Anesthesiology

authors： Domino KB,Hlastala MP,Cheney FW

更新日期：1990-03-01 00:00:00

abstract：:Anesthetic exposure is usually necessary but rarely sufficient to the conduct of therapy. Consequently, there is a natural abhorrence of any worsening of a patient's condition secondary to the administration of anesthesia, which offers the patient no direct benefit. Highly safe anesthesia is a necessary precondition...

journal_title：Anesthesiology

authors： Epstein RM

更新日期：1978-12-01 00:00:00

abstract：BACKGROUND:No externally validated risk score for postoperative pulmonary complications (PPCs) is currently available. The authors tested the generalizability of the Assess Respiratory Risk in Surgical Patients in Catalonia risk score for PPCs in a large European cohort (Prospective Evaluation of a RIsk Score for posto...

journal_title：Anesthesiology

authors： Mazo V,Sabaté S,Canet J,Gallart L,de Abreu MG,Belda J,Langeron O,Hoeft A,Pelosi P

更新日期：2014-08-01 00:00:00

abstract：BACKGROUND:Potentiation by general anesthetics of gamma-aminobutyric acid (GABA)-mediated inhibitory transmission in the central nervous system is attributed to GABA(A) receptor-mediated postsynaptic effects. However, the role of presynaptic mechanisms in general anesthetic action is not well characterized, and evidenc...

journal_title：Anesthesiology

authors： Murugaiah KD,Hemmings HC Jr

更新日期：1998-10-01 00:00:00

abstract：BACKGROUND:Little is known about the influence of liver transplantation on the pharmacokinetics of most anesthetic drugs. The authors determined the pharmacokinetics of rocuronium during liver transplantation and examined whether variability in pharmacokinetics could explain variability in recovery of neuromuscular fun...

journal_title：Anesthesiology

authors： Fisher DM,Ramsay MA,Hein HA,Marcel RJ,Sharma M,Ramsay KJ,Miller RD

更新日期：1997-06-01 00:00:00

abstract：BACKGROUND:Oxidation of propofol to 4-hydroxypropofol represents a significant pathway in the metabolism of this anesthetic agent in humans. The aim of this study was to identify the principal cytochrome P-450 (CYP) isoforms mediating this biotransformation. METHODS:Propofol hydroxylation activities and enzyme kinetic...

journal_title：Anesthesiology

authors： Court MH,Duan SX,Hesse LM,Venkatakrishnan K,Greenblatt DJ

更新日期：2001-01-01 00:00:00

abstract：:Using magnetic resonance spectroscopy, the authors tested whether cerebral concentrations of inhaled anesthetics do not increase proportionately at inspired concentrations exceeding 3% 1) because anesthetics bind to and saturate specific sites in the brain or 2) because anesthetic-induced depression of ventilation lim...

journal_title：Anesthesiology

authors： Lockhart SH,Cohen Y,Yasuda N,Kim F,Litt L,Eger EI 2nd,Chang LH,James T

更新日期：1990-09-01 00:00:00

abstract：:This study examined the interaction between thiopental and epinephrine in inducing ventricular arrhythmias in dogs. The arrhythmogenic threshold of epinephrine was determined during anesthesia with either halothane alone, thiopental alone, etomidate plus different doses of thiopental, or halothane plus different doses...

journal_title：Anesthesiology

authors： Hayashi Y,Sumikawa K,Yamatodani A,Tashiro C,Wada H,Yoshiya I

更新日期：1989-12-01 00:00:00

abstract：:Positive pressure ventilation can affect hemodynamic stability by neuroreflex-mediated activity. Inhalational anesthesia is known to attenuate the arterial baroreflex function; however, little information is known about the effect of volatile anesthetics on the lung inflation reflex. The influence of isoflurane on sta...

journal_title：Anesthesiology

authors： Cheng EY,Kay J,Hoka S,Bosnjak ZJ,Coon RL,Kampine JP

更新日期：1992-06-01 00:00:00

abstract：:To assess depth of anesthesia for intravenous anesthetics using clinical stimuli and observed responses, it is necessary to achieve constant serum concentrations of drug that result in constant biophase or central nervous system concentrations. The goal of this investigation was to use a computer-controlled infusion p...

journal_title：Anesthesiology

authors： Bührer M,Maitre PO,Hung OR,Ebling WF,Shafer SL,Stanski DR

更新日期：1992-08-01 00:00:00

abstract：BACKGROUND:Previous studies demonstrated that both edrophonium and neostigmine affect mivacurium's pharmacokinetics, thereby potentially affecting its recovery profile. However, those studies were not clinically relevant because mivacurium was still infused after the antagonists were given. In the present study, the au...

journal_title：Anesthesiology

authors： Szenohradszky J,Fogarty D,Kirkegaard-Nielsen H,Brown R,Sharma ML,Fisher DM

更新日期：2000-03-01 00:00:00

abstract：BACKGROUND:The extent to which isoflurane anesthesia alters systemic vascular regulation has received considerable attention. In contrast, the pulmonary vascular effects of isoflurane have not been elucidated. Our initial objective was to investigate the net effect of isoflurane on the baseline left pulmonary vascular ...

journal_title：Anesthesiology

authors： Lennon PF,Murray PA

更新日期：1995-03-01 00:00:00

abstract：BACKGROUND:Chronic postsurgical pain, a significant public health problem, occurs in 10 to 50% of patients undergoing major surgery. Acute pain induces endogenous analgesia termed conditioned pain modulation (CPM), and the strength of CPM preoperatively predicts the likelihood of chronic postsurgical pain. The relation...

journal_title：Anesthesiology

authors： Peters CM,Hayashida K,Suto T,Houle TT,Aschenbrenner CA,Martin TJ,Eisenach JC

更新日期：2015-04-01 00:00:00

abstract：BACKGROUND:The mechanisms underlying depression-associated pain remain poorly understood. Using a mouse model of depression, the authors hypothesized that the central amygdala-periaqueductal gray circuitry is involved in pathologic nociception associated with depressive states. METHODS:The authors used chronic restrai...

journal_title：Anesthesiology

authors： Yin W,Mei L,Sun T,Wang Y,Li J,Chen C,Farzinpour Z,Mao Y,Tao W,Li J,Xie W,Zhang Z

更新日期：2020-05-01 00:00:00

abstract：BACKGROUND:It is well established that neuronal nicotinic acetylcholine receptors (nAChRs) are sensitive to inhalational anesthetics. The authors previously reported that halothane potently blocked alpha4beta2-type nAChRs of rat cortical neurons. However, the effect of isoflurane, which is widely used clinically, on nA...

journal_title：Anesthesiology

authors： Yamashita M,Mori T,Nagata K,Yeh JZ,Narahashi T

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND:Patients with initial mild acute respiratory distress syndrome are often underrecognized and mistakenly considered to have low disease severity and favorable outcomes. They represent a relatively poorly characterized population that was only classified as having acute respiratory distress syndrome in the mos...

journal_title：Anesthesiology

authors： Pham T,Serpa Neto A,Pelosi P,Laffey JG,De Haro C,Lorente JA,Bellani G,Fan E,Brochard LJ,Pesenti A,Schultz MJ,Artigas A,LUNG SAFE Investigators* and the European Society of Intensive Care Medicine Trials Group.

更新日期：2019-02-01 00:00:00

abstract：BACKGROUND:Nitrous oxide causes an acute increase in plasma homocysteine that is more pronounced in patients with the methylenetetrahydrofolate reductase (MTHFR) C677T or A1298C gene variant. In this randomized controlled trial, the authors sought to determine whether patients carrying the MTHFR C677T or A1298C variant...

journal_title：Anesthesiology

authors： Nagele P,Brown F,Francis A,Scott MG,Gage BF,Miller JP,VINO Study Team.

更新日期：2013-07-01 00:00:00

abstract：BACKGROUND:Synergistic antinociception of opioids and local anesthetics has been established in bolus injections but not in long-term use. The somatic and visceral antinociceptive effects of intrathecally infused morphine or lidocaine were characterized, and the nature of the interaction of those agents in rats was eva...

journal_title：Anesthesiology

authors： Saito Y,Kaneko M,Kirihara Y,Sakura S,Kosaka Y

更新日期：1998-12-01 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：BACKGROUND:Memory function under anesthesia is undesired but may arise from light hypnosis as well as stress-enhanced learning during surgery. The bispectral index (BIS, Aspect Medical Systems, Norwood, MA) is a monitor of hypnotic state that can help to avoid light hypnosis (i.e., BIS above 60). This study tested the ...

journal_title：Anesthesiology

authors： Kerssens C,Gaither JR,Sebel PS

更新日期：2009-09-01 00:00:00

abstract：BACKGROUND:Load-dependent impairment of left ventricular (LV) function was observed after leg elevation in a subgroup of coronary surgery patients. The present study investigated underlying mechanisms by comparing hemodynamic effects of an increase in LV systolic pressures with leg elevation to effects of a similar inc...

journal_title：Anesthesiology

authors： De Hert SG,Gillebert TC,Ten Broecke PW,Moulijn AC

更新日期：1999-08-01 00:00:00

abstract：BACKGROUND:(human ether-a-gogo related gene) encodes the cardiac rapidly activating delayed rectifier potassium currents (I(kr)), which play an important role in cardiac action potential repolarization. General anesthetics, like halothane, can prolong Q-T interval, suggesting that they act on myocellular repolarization...

journal_title：Anesthesiology

authors： Li J,Correa AM

更新日期：2002-10-01 00:00:00

abstract：BACKGROUND:Chronic use of μ-opioid receptor agonists paradoxically causes both hyperalgesia and the loss of analgesic efficacy. Opioid treatment increases presynaptic N-methyl-D-aspartate receptor activity to potentiate nociceptive input to spinal dorsal horn neurons. However, the mechanism responsible for this opioid-...

journal_title：Anesthesiology

authors： Deng M,Chen SR,Chen H,Pan HL

更新日期：2019-05-01 00:00:00

abstract：WHAT WE ALREADY KNOW ABOUT THIS TOPIC:WHAT THIS ARTICLE TELLS US THAT IS NEW: BACKGROUND:: Hypotension is a risk factor for adverse perioperative outcomes. Machine-learning methods allow large amounts of data for development of robust predictive analytics. The authors hypothesized that machine-learning methods can prov...

journal_title：Anesthesiology

authors： Kendale S,Kulkarni P,Rosenberg AD,Wang J

更新日期：2018-10-01 00:00:00

abstract：BACKGROUND:The design of an endotracheal tube has been shown to influence the passage of the tube through the glottis during fiberoptic intubation. Difficulty in passing the endotracheal tube can occur if the aryepiglottic folds obstruct the passage of the bevel. The relevant aspects of endotracheal tube design include...

journal_title：Anesthesiology

authors： Greer JR,Smith SP,Strang T

更新日期：2001-05-01 00:00:00