Effects of intravenous dexmedetomidine in humans. I. Sedation, ventilation, and metabolic rate.

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:Recent studies have questioned the importance of the gravitational model of pulmonary perfusion. Because low levels of positive end-expiratory pressure (PEEP) are commonly used during anesthesia, the authors studied the distribution of pulmonary blood flow with low levels of PEEP using a high spatial resolut...

journal_title：Anesthesiology

authors： Kallas HJ,Domino KB,Glenny RW,Anderson EA,Hlastala MP

更新日期：1998-05-01 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:The mechanism by which barbiturates protect neurons against ischemia is unclear, particularly when they are given after ischemia or reperfusion begins. Because an excess release of excitatory neurotransmitters causes postsynaptic membrane depolarization, which triggers neuronal damage in ischemia, the effect...

journal_title：Anesthesiology

authors： Amakawa K,Adachi N,Liu K,Ikemune K,Fujitani T,Arai T

更新日期：1996-12-01 00:00:00

abstract：:Anesthetized, prone dogs were intubated with a double-lumen endobronchial tube, and the lungs were ventilated independently. Three methods of recording differential blood flow were compared during unilateral lung hypoxia: electromagnetic flow measurement, flow probes being fitted onto each main pulmonary artery after ...

journal_title：Anesthesiology

authors： Carlsson AJ,Hedenstierna G,Blomqvist H,Strandberg A

更新日期：1987-08-01 00:00:00

abstract：BACKGROUND:Postoperative nausea and vomiting (PONV) is a commonly observed adverse effect of general anesthesia. Recently, ondansetron, a new serotonin3 (5-hydroxytryptamine3) receptor antagonist was shown to be effective in the prophylaxis and prevention of chemotherapy-induced nausea and vomiting in children and adul...

journal_title：Anesthesiology

authors： Ummenhofer W,Frei FJ,Urwyler A,Kern C,Drewe J

更新日期：1994-10-01 00:00:00

abstract：BACKGROUND:In children with a history of significant obstructive sleep apnea who undergo adenotonsillectomy, postsurgical administration of opiates has been alleged to be associated with an increased risk for respiratory complications, including respiratory depression. The authors hypothesize that this association is d...

journal_title：Anesthesiology

authors： Moss IR,Brown KA,Laferrière A

更新日期：2006-10-01 00:00:00

abstract：:Substance abuse is a major socioeconomic problem. However, the ready availability of potent narcotic and sedative drugs probably constitutes a unique risk for anesthesiologists. Until recently, few anesthesia departments were prepared to recognize or safely manage afflicted colleagues. Because we felt it important to ...

journal_title：Anesthesiology

authors： Lecky JH,Aukburg SJ,Conahan TJ 3rd,Geer RT,Ominsky AJ,Gross J,Muravchick S,Wollman H

更新日期：1986-10-01 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：:The occurrence of fasciculations following administration of agents is a well-known pharmacologic phenomenon. Using the cat soleus nerve-muscle preparation, intravenous neostigmine doses between 20-200 micrograms/kg evoked fasciculations in a dose-related manner. The data demonstrate that the fasciculations were the r...

journal_title：Anesthesiology

authors： Baker T,Stanec A

更新日期：1987-12-01 00:00:00

abstract：BACKGROUND:Identifying functionally relevant anesthetic-binding sites in pentameric ligand-gated ion channels (pLGICs) is an important step toward understanding the molecular mechanisms underlying anesthetic action. The anesthetic propofol is known to inhibit cation-conducting pLGICs, including a prokaryotic pLGIC from...

journal_title：Anesthesiology

authors： Kinde MN,Bu W,Chen Q,Xu Y,Eckenhoff RG,Tang P

更新日期：2016-03-01 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:The authors evaluated optimal adrenergic support using norepinephrine, dopamine, and dobutamine in a clinically relevant model of septic shock. METHODS:Twenty-eight mature, female, anesthetized sheep (weight, 30.5 +/- 3.6 kg) underwent cecal ligation and perforation and were randomized into four groups of s...

journal_title：Anesthesiology

authors： Sun Q,Tu Z,Lobo S,Dimopoulos G,Nagy N,Rogiers P,De Backer D,Vincent JL

更新日期：2003-04-01 00:00:00

abstract：BACKGROUND:The long-term use of opioids for analgesia carries significant risk for tolerance, addiction, and diversion. These adverse effects are largely mediated by μ-opioid receptors in the central nervous system. Based on the authors' previous observation that morphine and δ-opioid receptor agonists synergize in spi...

journal_title：Anesthesiology

authors： Bruce DJ,Peterson CD,Kitto KF,Akgün E,Lazzaroni S,Portoghese PS,Fairbanks CA,Wilcox GL

更新日期：2019-09-01 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:Sevoflurane is a volatile general anesthetic that differs in chemical nature from the gaseous anesthetic nitrous oxide. In a controlled laboratory setting, the authors characterized the subjective, psychomotor, and analgesic effects of sevoflurane and nitrous oxide at two equal minimum alveolar subanesthetic...

journal_title：Anesthesiology

authors： Galinkin JL,Janiszewski D,Young CJ,Klafta JM,Klock PA,Coalson DW,Apfelbaum JL,Zacny JP

更新日期：1997-11-01 00:00:00

abstract：BACKGROUND:Interscalene block provides optimal shoulder surgery analgesia, but concerns over its associated risks have prompted the search for alternatives. Suprascapular block was recently proposed as an interscalene block alternative, but evidence of its comparative analgesic effect is conflicting. This meta-analysis...

journal_title：Anesthesiology

authors： Hussain N,Goldar G,Ragina N,Banfield L,Laffey JG,Abdallah FW

更新日期：2017-12-01 00:00:00

abstract：BACKGROUND:It should be possible to avoid variations in plasma glucose concentration during anesthesia by adjusting glucose infusion rate to whole-body glucose uptake. To study this hypothesis, we measured glucose utilization and production, before and during halothane anesthesia. METHODS:After an overnight fast, six ...

journal_title：Anesthesiology

authors： Sbaï D,Jouvet P,Soulier A,Pénicaud L,Merckx J,Bresson JL

更新日期：1995-05-01 00:00:00

abstract：:The effects of halothane on uptake and phosphorylation of uridine, and on cellular ATP content were studied in Tetrahymena pyriformis, a ciliate protozoan. Exposure to halothane inhibited the accumulation of 14C-uridine into the following acid-soluble intracellular pools: UTP, UDP, UMP, and an unidentified compound. H...

journal_title：Anesthesiology

authors： Conklin KA,Lau SS

更新日期：1984-07-01 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:Intravenously administered anesthetics directly inhibit airway smooth muscle contraction. Because many anesthetic agents affect membrane ion channel function and sustained contraction of airway smooth muscle requires the influx of Ca2+ through voltage-dependent Ca2+ channels, it was hypothesized that intrave...

journal_title：Anesthesiology

authors： Yamakage M,Hirshman CA,Croxton TL

更新日期：1995-12-01 00:00:00

abstract：:The effects of halothane (0.45 and 0.9 mM, equivalent to 0.7 and 1.5%, respectively), isoflurane (0.54 and 1.23 mM, equivalent to 0.9 and 2.0%, respectively) and enflurane (0.65 and 1.48 mM, equivalent to 1.2 and 2.5%, respectively) on macroscopic L- and T-type Ca2+ channel currents were compared in single canine card...

journal_title：Anesthesiology

authors： Eskinder H,Rusch NJ,Supan FD,Kampine JP,Bosnjak ZJ

更新日期：1991-05-01 00:00:00

abstract：BACKGROUND:Drugs used for sedation in anesthesia and intensive care may cause pharyngeal dysfunction and increased risk for aspiration. In this study, the authors investigate the impact of sedative doses of morphine and midazolam on pharyngeal function during swallowing and coordination of breathing and swallowing. ME...

journal_title：Anesthesiology

authors： Hårdemark Cedborg AI,Sundman E,Bodén K,Hedström HW,Kuylenstierna R,Ekberg O,Eriksson LI

更新日期：2015-06-01 00:00:00

abstract：:Respiratory function is fundamental in the practice of anesthesia. Knowledge of basic physiologic principles of respiration assists in the proper implementation of daily actions of induction and maintenance of general anesthesia, delivery of mechanical ventilation, discontinuation of mechanical and pharmacologic suppo...

journal_title：Anesthesiology

authors： Bigatello L,Pesenti A

更新日期：2019-06-01 00:00:00

abstract：:Clinical studies have reported that body core temperature decreases during prolonged surgery and anesthesia. Although this finding has been attributed primarily to increased heat loss resulting from exposure of body cavities and infusion of cold solutions, it is generally recognized that anesthesia interferes with the...

journal_title：Anesthesiology

authors： Passias TC,Mekjavić IB,Eiken O

更新日期：1992-04-01 00:00:00

abstract：:Surgical conditions during conventional mechanical ventilation (CMV) and pulmonary gas exchange were compared with those during high-frequency ventilation (HFV) in 24 patients undergoing anesthesia for intrathoracic surgery. HFV at an oscillatory frequency of 3 Hz and a delivered gas volume of 1.3-1.9 ml/kg provided e...

journal_title：Anesthesiology

authors： Glenski JA,Crawford M,Rehder K

更新日期：1986-02-01 00:00:00

abstract：BACKGROUND:Multicapillary column ion-mobility spectrometry (MCC-IMS) may identify volatile components in exhaled gas. The authors therefore used MCC-IMS to evaluate exhaled gas in a rat model of sepsis, inflammation, and hemorrhagic shock. METHODS:Male Sprague-Dawley rats were anesthetized and ventilated via tracheost...

journal_title：Anesthesiology

authors： Fink T,Wolf A,Maurer F,Albrecht FW,Heim N,Wolf B,Hauschild AC,Bödeker B,Baumbach JI,Volk T,Sessler DI,Kreuer S

更新日期：2015-01-01 00:00:00

abstract：:To determine the percentage of anesthetic metabolized and to assess the role of metabolism in the total elimination of inhaled anesthetics, the authors administered isoflurane, enflurane, halothane, and methoxyflurane simultaneously, for 2 h, to nine healthy patients. Total anesthetic uptake during the 2 h of washin a...

journal_title：Anesthesiology

authors： Carpenter RL,Eger EI 2nd,Johnson BH,Unadkat JD,Sheiner LB

更新日期：1986-08-01 00:00:00

abstract：:This study was designed to evaluate a new drug delivery system. The authors undertook to determine if microdroplets prepared by encapsulating volatile anesthetics with a membrane of lecithin could be used for local anesthesia. Local anesthesia was determined by monitoring the response of the rat to tail clamping and e...

journal_title：Anesthesiology

authors： Haynes DH,Kirkpatrick AF

更新日期：1985-11-01 00:00:00

abstract：:Medical records of 38 patients undergoing anesthesia and surgery for removal of an insulinoma were reviewed to determine 1) the safety of avoiding intraoperative glucose, 2) the appropriate frequency of plasma glucose analysis, and 3) the accuracy of using rebound hyperglycemia as an indication of tumor removal. Plasm...

journal_title：Anesthesiology

authors： Muir JJ,Endres SM,Offord K,van Heerden JA,Tinker JH

更新日期：1983-11-01 00:00:00