Administration of nitrous oxide to pediatric patients provides analgesia for venous cannulation.

abstract：BACKGROUND:Withdrawal thresholds in the paw are lower in younger animals, and incision further reduces these thresholds. The authors hypothesized that these differences result in part from changes in intrinsic electrophysiologic properties of large neurons. METHODS:Using isolated whole dorsal root ganglion, current cl...

journal_title：Anesthesiology

authors： Ririe DG,Liu B,Clayton B,Tong C,Eisenach JC

更新日期：2008-07-01 00:00:00

abstract：:Benchmarking and comparing group productivity is an essential activity of data-driven management. For clinical anesthesiology, accomplishing this task is a daunting effort if meaningful conclusions are to be made. For anesthesiology groups, productivity must be done at the facility level in order to reduce some of the...

journal_title：Anesthesiology

authors： Abouleish AE,Hudson ME,Whitten CW

更新日期：2019-02-01 00:00:00

abstract：BACKGROUND:The study was designed to compare the effects of equimolar concentrations of racemic bupivacaine, levobupivacaine, and ropivacaine on ventricular conduction, anisotropy, duration and homogeneity of refractoriness, and wavelengths, and to provide a potency ratio for effects on conduction velocity. METHODS:Is...

journal_title：Anesthesiology

authors： Aya AG,de la Coussaye JE,Robert E,Ripart J,Cuvillon P,Mazoit JX,Jeannes P,Fabbro-Péray P,Eledjam JJ

更新日期：2002-03-01 00:00:00

abstract：BACKGROUND:Repetitive C-fiber stimulation induces a state of facilitated processing of sensory information in the dorsal horn, while chronic nerve compression gives rise to a hyperalgesic state, characterized by spontaneous neuronal activity generated by voltage-sensitive sodium channels, as well as spinal facilitation...

journal_title：Anesthesiology

authors： Abram SE,Yaksh TL

更新日期：1994-02-01 00:00:00

abstract：BACKGROUND:The hanging drop technique is used for identifying the cervical epidural space, using its negative pressure. However, it is doubtful whether the epidural space intrinsically exhibits a negative pressure. We designed this study to test the hypothesis that the cervical epidural pressure (CEP) is significantly ...

journal_title：Anesthesiology

authors： Moon JY,Lee PB,Nahm FS,Kim YC,Choi JB

更新日期：2010-09-01 00:00:00

abstract：BACKGROUND:Glucocorticoids have been reported to aggravate ischemic brain damage. Because changes in the activities of various neuronal systems are closely related to the outcome of ischemic damage, the authors evaluated the effects of dexamethasone on the monoaminergic systems and ischemic neuronal damage. METHODS:Th...

journal_title：Anesthesiology

authors： Tsubota S,Adachi N,Chen J,Yorozuya T,Nagaro T,Arai T

更新日期：1999-02-01 00:00:00

abstract：BACKGROUND:The effects of propofol, remifentanil, and their combination on phrenic nerve activity (PNA), resting heart rate (HR), mean arterial pressure (MAP), and nociceptive cardiovascular responses were studied in rabbits. METHODS:Basal anesthesia and constant blood gas tensions were maintained with alpha-chloralos...

journal_title：Anesthesiology

authors： Ma D,Chakrabarti MK,Whitwam JG

更新日期：1999-11-01 00:00:00

abstract：BACKGROUND:There is substantial and growing literature on the actions of general anesthetics on a variety of neurotransmitter-gated ion channels, with the greatest attention being focused on inhibitory gamma-amino butyric acid type A receptors. In contrast, glutamate receptors, the most important class of fast excitato...

journal_title：Anesthesiology

authors： Plested AJ,Wildman SS,Lieb WR,Franks NP

更新日期：2004-02-01 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:Hyperkalemic cardiac arrest after the administration of succinylcholine (SCh) to critically ill intensive care patients has been attributed to changes in the acetylcholine receptors (AChRs) at the muscle membrane. The current study attempts to characterize the contributory roles of chronic administration of ...

journal_title：Anesthesiology

authors： Yanez P,Martyn JA

更新日期：1996-02-01 00:00:00

abstract：BACKGROUND:Crystalloid solutions are used to restore intravascular volume in septic patients, but each solution has limitations. The authors compared the effects of three crystalloid solutions on hemodynamics, organ function, microcirculation, and survival in a sepsis model. METHODS:Peritonitis was induced by injectio...

journal_title：Anesthesiology

authors： Orbegozo D,Su F,Santacruz C,He X,Hosokawa K,Creteur J,De Backer D,Vincent JL

更新日期：2016-10-01 00:00:00

abstract：:Previous investigators have identified an aortic-to-radial artery pressure gradient thought to develop during rewarming and discontinuation of cardiopulmonary bypass. The authors measured mean aortic and radial artery pressures before, during, and after cardiopulmonary bypass in 30 patients, to determine when the pres...

journal_title：Anesthesiology

authors： Rich GF,Lubanski RE Jr,McLoughlin TM

更新日期：1992-07-01 00:00:00

abstract：BACKGROUND:Recent evidence indicates that vascular adenosine triphosphate-sensitive potassium (K(ATP)) channels in vascular smooth muscle cells are critical in the regulation of vascular tonus under both physiologic and pathophysiologic conditions. Studies of the interaction of volatile anesthetics with vascular K(ATP)...

journal_title：Anesthesiology

authors： Tanaka K,Kawano T,Nakamura A,Nazari H,Kawahito S,Oshita S,Takahashi A,Nakaya Y

更新日期：2007-05-01 00:00:00

abstract：:Pharmacokinetics and pharmacodynamics of propofol infusions during general anesthesia. By Audrey Shafer, Van A. Doze, Steven L. Shafer, and Paul F. White. Anesthesiology 1988; 69:348-56. Reprinted with permission.The pharmacokinetic and pharmacodynamic properties of propofol (Diprivan) were studied in 50 elective surg...

journal_title：Anesthesiology

authors： White PF

更新日期：2008-12-01 00:00:00

abstract：:To determine whether disuse atrophy of skeletal muscle results in resistance to pancuronium, the dose response to pancuronium was determined simultaneously in both gastrocnemius muscles of six dogs that had one hind limb immobilized in a plaster cast for one month. Muscle responses were evoked during pentobarbital-nit...

journal_title：Anesthesiology

authors： Gronert GA

更新日期：1981-11-01 00:00:00

abstract：BACKGROUND:Chronic pain is associated with depression. In rodents, pain is often assessed by sensory hypersensitivity, which does not sufficiently measure affective responses. Low-dose ketamine has been used to treat both pain and depression, but it is not clear whether ketamine can relieve depression associated with c...

journal_title：Anesthesiology

authors： Wang J,Goffer Y,Xu D,Tukey DS,Shamir DB,Eberle SE,Zou AH,Blanck TJ,Ziff EB

更新日期：2011-10-01 00:00:00

abstract：BACKGROUND:In vitro studies have shown that isoflurane, enflurane, and halothane inhibit the hypoxic pulmonary vasoconstriction (HPV) with essentially the same potency. The aim of this study is to compare the effects of sevoflurane and isoflurane on HPV in constant-flow perfused rabbit lungs. METHODS:Constant-flow per...

journal_title：Anesthesiology

authors： Ishibe Y,Gui X,Uno H,Shiokawa Y,Umeda T,Suekane K

更新日期：1993-12-01 00:00:00

abstract：:The effect of hypocapnia on autoregulation of cerebral blood flow (CBF) and the lower limit of autoregulation (LLA) was determined in dogs anesthetized with nitrous oxide (66%) and halothane (0.2%, end-expired concentration). CBF and cerebral vascular resistance (CVR) were determined during both normocapnia and hypoca...

journal_title：Anesthesiology

authors： Artru AA,Katz RA,Colley PS

更新日期：1989-02-01 00:00:00

abstract：BACKGROUND:Increasing age appears to be associated with a slower onset of neuromuscular blockade, but such an effect has not been studied with the same doses of the same drugs across pediatric and adult age groups. METHODS:The authors measured the evoked compound action potential of the adductor pollicis muscle in res...

journal_title：Anesthesiology

authors： Koscielniak-Nielsen ZJ,Bevan JC,Popovic V,Baxter MR,Donati F,Bevan DR

更新日期：1993-08-01 00:00:00

abstract：BACKGROUND:Nitrous oxide limits intraoperative hypothermia because the vasoconstriction threshold with nitrous oxide is higher than with equi-minimum alveolar concentrations of sevoflurane or isoflurane, presumably because of its stimulating actions on the sympathetic nervous system. Xenon, in contrast, does not cause ...

journal_title：Anesthesiology

authors： Goto T,Matsukawa T,Sessler DI,Uezono S,Ishiguro Y,Ozaki M,Morita S

更新日期：1999-09-01 00:00:00

abstract：BACKGROUND:Preoperative anemia is frequent in patients undergoing orthopedic surgery. The purpose of this study was to assess the preoperative increase of hemoglobin in iron deficiency anemia patients treated with intravenous iron. METHODS:After obtaining written informed consent, 20 patients with iron deficiency anem...

journal_title：Anesthesiology

authors： Theusinger OM,Leyvraz PF,Schanz U,Seifert B,Spahn DR

更新日期：2007-12-01 00:00:00

abstract：BACKGROUND:Although noninvasive blood pressure (NIBP) monitoring during anesthesia is a standard of care, reference ranges for blood pressure in anesthetized children are not available. We developed sex- and age-specific reference ranges for NIBP in children during anesthesia and surgery. METHODS:In this retrospective...

journal_title：Anesthesiology

authors： de Graaff JC,Pasma W,van Buuren S,Duijghuisen JJ,Nafiu OO,Kheterpal S,van Klei WA

更新日期：2016-11-01 00:00:00

abstract：BACKGROUND:Although transesophageal echocardiography allows continuous intraoperative cardiac monitoring, the technique has been limited by the lack of a method for realtime, quantitative assessment of cardiac chamber size and systolic function. Automated border detection (ABD), based on an analysis of integrated backs...

journal_title：Anesthesiology

authors： Perrino AC Jr,Luther MA,O'Connor TZ,Cohen IS

更新日期：1995-08-01 00:00:00

abstract：BACKGROUND:Ketamine is a potent bronchodilator that, in clinically used concentrations, relaxes airway smooth muscle in part by a direct effect. This study explored the role of calcium concentration (Ca2+) in this relaxation. METHODS:Canine trachea smooth muscle strips were loaded with the fluorescent probe fura-2 and...

journal_title：Anesthesiology

authors： Pabelick CM,Jones KA,Street K,Lorenz RR,Warner DO

更新日期：1997-05-01 00:00:00

abstract：:The pharmacokinetics, biodisposition, and neuromuscular blocking properties of 3-desacetylvecuronium were studied in 17 adult cats. Animals were divided into three groups: five cats with kidney failure induced by bilateral ligation of the renal pedicles, six cats with galactosamine-induced fulminant hepatitis, and six...

journal_title：Anesthesiology

authors： Segredo V,Shin YS,Sharma ML,Gruenke LD,Caldwell JE,Khuenl-Brady KS,Agoston S,Miller RD

更新日期：1991-06-01 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:Although considerable evidence indicates neuronal Ca channels play significant roles in pain perception, their possible importance in hypersensitization after acute inflammation has not been investigated. METHODS:Using carrageenan for inducing hypersensitization, the authors investigated the analgesic effec...

journal_title：Anesthesiology

authors： Yokoyama K,Kurihara T,Makita K,Tanabe T

更新日期：2003-12-01 00:00:00

abstract：BACKGROUND:Hydroxyethyl starch (HES) is commonly used as plasma expander during surgery but may be nephrotoxic as seen in studies in patients with sepsis. The authors hypothesized that the possible nephrotoxicity of 6% HES 130/0.4 could be revealed by measurements of urinary excretion of neutrophil gelatinase-associate...

journal_title：Anesthesiology

authors： Kancir AS,Pleckaitiene L,Hansen TB,Ekeløf NP,Pedersen EB

更新日期：2014-11-01 00:00:00

abstract：:Cardiac output and myocardial blood flow decrease dramatically in a dose-dependent pattern in the young lamb during isoflurane anesthesia. This raises important questions about the ability of the young lamb to increase myocardial performance if oxygen delivery were compromised by a decrease in oxygen content during an...

journal_title：Anesthesiology

authors： Brett CM,Teitel DF,Heymann MA,Rudolph AM

更新日期：1989-11-01 00:00:00

abstract：BACKGROUND:Pulse oximeters have been reported to fail to record data in 1.12-2.50% of cases in which anesthesia records were handwritten. There is reason to believe that these may be underestimates. Computerized anesthesia records may provide insight into the true incidence of pulse oximetry data failures and factors t...

journal_title：Anesthesiology

authors： Reich DL,Timcenko A,Bodian CA,Kraidin J,Hofman J,DePerio M,Konstadt SN,Kurki T,Eisenkraft JB

更新日期：1996-04-01 00:00:00