Isoflurane Modulates Hippocampal Cornu Ammonis Pyramidal Neuron Excitability by Inhibition of Both Transient and Persistent Sodium Currents in Mice.

abstract：:The mechanisms of persistent differential blocks that accompany subarachnoid and epidural anesthesia are clarified here with the aid of two principles derived from in vitro study of individual myelinated axons: 1) conduction can leap two consecutive blocked nodes but not three, and 2) a fiber length with more than thr...

journal_title：Anesthesiology

authors： Fink BR

更新日期：1989-05-01 00:00:00

abstract：BACKGROUND:The degree to which intrathecally administered morphine can alleviate hypersensitivity in animals after peripheral nerve injury is controversial, and the mechanisms by which morphine works in these circumstances are uncertain. In normal animals, morphine induces adenosine release, and in vitro data suggest t...

journal_title：Anesthesiology

authors： Zhang Y,Conklin DR,Li X,Eisenach JC

更新日期：2005-02-01 00:00:00

abstract：BACKGROUND:Transcranial motor-evoked potentials (TcMEPs) monitor spinal cord motor tract integrity. Using a swine model, the authors studied the effects of vasodilatory hypotension, hemorrhage, and various resuscitation efforts on TcMEP responses. METHODS:Twelve pigs were anesthetized with constant infusions of propof...

journal_title：Anesthesiology

authors： Lieberman JA,Feiner J,Lyon R,Rollins MD

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND:Surgical resection remains the best option for long-term survival in many solid tumors. Surgery can, however, lead to tumor cell release into the circulation. Data have suggested differential effects of anesthetic agents on cancer cell growth. This retrospective analysis investigated the association of anest...

journal_title：Anesthesiology

authors： Wigmore TJ,Mohammed K,Jhanji S

更新日期：2016-01-01 00:00:00

abstract：:EEG amplitude dominance in awake man is posterior. During EEG monitoring in patients, the authors observed the abrupt appearance of anterior amplitude dominance during induction of anesthesia with halothane, enflurane, or thiopental. This EEG change is coincident with loss of eyelid reflex and loss of ability to respo...

journal_title：Anesthesiology

authors： Tinker JH,Sharbrough FW,Michenfelder JD

更新日期：1977-04-01 00:00:00

abstract：BACKGROUND:The main cause of unsuccessful peripheral radial artery catheterization using traditional palpation is imprecisely locating the arterial center. The authors evaluated factors causing disparities between the arterial centers determined by palpation versus ultrasound. The authors applied them to create and tes...

journal_title：Anesthesiology

authors： Nakayama Y,Inagaki Y,Nakajima Y,Sessler DI,Mukai N,Ogawa S,Mizobe T,Sawa T

更新日期：2016-10-01 00:00:00

abstract：BACKGROUND:Factor VII is the most affected clotting factor during the early phase of warfarin therapy. An international normalized ratio (INR) of more than 1.4 is considered unsafe for epidural catheter placement or removal, according to the American Society of Regional Anesthesia and Pain Medicine. The authors tested ...

journal_title：Anesthesiology

authors： Benzon HT,Avram MJ,Benzon HA,Kirby-Nolan M,Nader A

更新日期：2010-02-01 00:00:00

abstract：BACKGROUND:Perioperative ischemic optic neuropathy (ION) causes visual loss in spinal fusion. Previous case-control studies are limited by study size and lack of a random sample. The purpose of this study was to study trends in ION incidence in spinal fusion and risk factors in a large nationwide administrative hospita...

journal_title：Anesthesiology

authors： Rubin DS,Parakati I,Lee LA,Moss HE,Joslin CE,Roth S

更新日期：2016-09-01 00:00:00

abstract：WHAT WE ALREADY KNOW ABOUT THIS TOPIC:WHAT THIS ARTICLE TELLS US THAT IS NEW: BACKGROUND:: Ketamine is an N-methyl-D-aspartate receptor antagonist that reduces temporal summation of pain and modulates antinociception. Ketamine infusions can produce significant relief of neuropathic pain, but the treatment is resource i...

journal_title：Anesthesiology

authors： Bosma RL,Cheng JC,Rogachov A,Kim JA,Hemington KS,Osborne NR,Venkat Raghavan L,Bhatia A,Davis KD

更新日期：2018-11-01 00:00:00

abstract：BACKGROUND:Ventilator-associated pneumonia (VAP) requires early diagnosis and adequate antibiotic therapy. The aim of this prospective postmortem study was to assess the accuracy of direct examination and quantification of intracellular organisms (ICO) for the diagnosis of VAP. METHODS:Total and differential cell coun...

journal_title：Anesthesiology

authors： Papazian L,Autillo-Touati A,Thomas P,Bregeon F,Garbe L,Saux P,Seite R,Gouin F

更新日期：1997-08-01 00:00:00

abstract：BACKGROUND:Patients who are homozygous for the atypical mutation, compound heterozygous for atypical and silent mutations, or homozygous for silent mutations (SS) respond to mivacurium with extensively prolonged neuromuscular block. Although important, exact phenotyping of these patients is difficult. This article pres...

journal_title：Anesthesiology

authors： Gätke MR,Ostergaard D,Bundgaard JR,Varin F,Viby-Mogensen J

更新日期：2001-09-01 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

abstract：BACKGROUND:Nonimmobilizers are agents that lack anesthetic properties, although their chemical structure is very similar to known anesthetics. The primary action site of both agents, whether at the membrane or target protein level, is still a matter of debate. However, increasing evidence points to the distinct modific...

journal_title：Anesthesiology

authors： Koubi L,Tarek M,Bandyopadhyay S,Klein ML,Scharf D

更新日期：2002-10-01 00:00:00

abstract：BACKGROUND:Nitric oxide (NO) formed from L-arginine is exhaled by mammals and regulates pulmonary vascular tone. Little is known about how its formation is stimulated. METHODS:The concentration of NO in exhaled air was monitored by chemiluminescence in pentobarbital-anesthetized rabbits receiving mechanical ventilatio...

journal_title：Anesthesiology

authors： Persson MG,Lönnqvist PA,Gustafsson LE

更新日期：1995-04-01 00:00:00

abstract：BACKGROUND:Systemic inflammation is a key feature in acid aspiration-induced acute respiratory distress syndrome (ARDS), but the factors that trigger inflammation are unclear. The authors hypothesize that extracellular histones, a newly identified inflammatory mediator, play important roles in the pathogenesis of ARDS....

journal_title：Anesthesiology

authors： Zhang Y,Wen Z,Guan L,Jiang P,Gu T,Zhao J,Lv X,Wen T

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND:Halogenated anesthetics potentiate the positive inotropic effects of alpha- and beta-adrenoceptor stimulations. Although diabetes mellitus induces significant myocardial abnormalities, the interaction of halogenated anesthetics and adrenoceptor stimulation in diabetic myocardium remains unknown. METHODS:Lef...

journal_title：Anesthesiology

authors： Amour J,David JS,Vivien B,Coriat P,Riou B

更新日期：2004-11-01 00:00:00

abstract：BACKGROUND:The authors investigated the impact of acute normovolemic hemodilution (ANH) on intrarenal oxygenation and its functional short-term consequences in pigs. METHODS:Renal microvascular oxygenation (µPO2) was measured in cortex, outer and inner medulla via three implanted optical fibers by oxygen-dependent que...

journal_title：Anesthesiology

authors： Konrad FM,Mik EG,Bodmer SI,Ates NB,Willems HF,Klingel K,de Geus HR,Stolker RJ,Johannes T

更新日期：2013-08-01 00:00:00

abstract：BACKGROUND:Activation of the complement system is one component of the inflammatory response. Various components of the complement system participate in killing foreign organisms, recruiting immune cells, enhancing edema, and stimulating cytokine formation. Complement-mediated enhancement of the inflammation surroundin...

journal_title：Anesthesiology

authors： Clark JD,Qiao Y,Li X,Shi X,Angst MS,Yeomans DC

更新日期：2006-06-01 00:00:00

abstract：BACKGROUND:The myocardial negative inotropic effects of desflurane are less pronounced than those of other halogenated anesthetics, partly because of intramyocardial catecholamine store release. However, the effects of desflurane on aging myocardium are unknown, whereas aging is known to be associated with an attenuati...

journal_title：Anesthesiology

authors： Rozenberg S,Besse S,Amour J,Vivien B,Tavernier B,Riou B

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND:This study investigated the ability of the modified continual reassessment method (MCRM) to determine the maximum tolerated dose of the opioid antagonist nalmefene, which does not reverse analgesia in an acceptable number of postoperative patients receiving epidural fentanyl in 0.075% bupivacaine. METHODS:I...

journal_title：Anesthesiology

authors： Dougherty TB,Porche VH,Thall PF

更新日期：2000-04-01 00:00:00

abstract：BACKGROUND:Experimental and clinical studies have shown reduction in intrapulmonary shunt with improved oxygenation by spontaneous breathing with airway pressure release ventilation (APRV) in acute lung injury. The mechanisms of these findings are not clear. The authors hypothesized that spontaneous breathing results i...

journal_title：Anesthesiology

authors： Wrigge H,Zinserling J,Neumann P,Defosse J,Magnusson A,Putensen C,Hedenstierna G

更新日期：2003-08-01 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

abstract：BACKGROUND:Ketamine has been associated with a unique spectrum of subjective "psychedelic" effects in patients emerging from anesthesia. This study quantified these effects of ketamine and related them to steady-state plasma concentrations. METHODS:Ketamine or saline was administered in a single-blinded crossover prot...

journal_title：Anesthesiology

authors： Bowdle TA,Radant AD,Cowley DS,Kharasch ED,Strassman RJ,Roy-Byrne PP

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND:Previously, the authors found that anesthetized diabetic dogs had increased cerebral blood flow (CBF) and oxygen consumption (CMRO2). These results may have been influenced by anesthesia or surgery. The aim of this study was to determine whether CBF and CMRO2 are increased in the awake or anesthetized state ...

journal_title：Anesthesiology

authors： Sieber FE,Brown PR,Wu Y,Koehler RC,Traystman RJ

更新日期：1993-11-01 00:00:00

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：BACKGROUND:Ketamine is an anesthetic drug. Subanesthetic doses of ketamine have been shown to reduce interleukin-6 concentrations after surgery and to reduce mortality and the production of tumor necrosis factor alpha and interleukin 6 in septic animals. Similarly, adenosine was shown to reduce tumor necrosis factor al...

journal_title：Anesthesiology

authors： Mazar J,Rogachev B,Shaked G,Ziv NY,Czeiger D,Chaimovitz C,Zlotnik M,Mukmenev I,Byk G,Douvdevani A

更新日期：2005-06-01 00:00:00

abstract：:The effects of halothane, tetrodotoxin (TTX), veratridine (VTD), and alterations of extracellular calcium ion concentration [Ca++]0) on regional differences of canine Purkinje fiber action potential duration (APD50 and APD90) were investigated in vitro at a paced rate of 75 beats per min. Under control conditions (n =...

journal_title：Anesthesiology

authors： Turner LA,Marijic J,Kampine JP,Bosnjak ZJ

更新日期：1990-12-01 00:00:00

abstract：BACKGROUND:Intrathecal clonidine reduces tactile allodynia in animal models of neuropathic pain, and this effect is blocked by atropine. However, the role of tonic spinal cholinergic activity and its interaction with alpha2-adrenergic systems in normal and neuropathic conditions and to different sensory methods has not...

journal_title：Anesthesiology

authors： Paqueron X,Conklin D,Eisenach JC

更新日期：2003-07-01 00:00:00

abstract：BACKGROUND:Densities in dependent lung regions worsen oxygenation in patients with acute respiratory distress syndrome. Identification of these densities requires examination using computed tomography (CT). In this study, the authors evaluated the use of transesophageal echocardiography (TEE) to estimate densities in t...

journal_title：Anesthesiology

authors： Tsubo T,Sakai I,Suzuki A,Okawa H,Ishihara H,Matsuki A

更新日期：2001-05-01 00:00:00

abstract：BACKGROUND:Amitriptyline has been reported to be a more potent local anesthetic than bupivacaine. In keeping with the objective of identifying drugs for prolonged cutaneous analgesia, the authors compared the cutaneous analgesic effectiveness of amitriptyline and bupivacaine in rats. METHODS:Rats were subcutaneously i...

journal_title：Anesthesiology

authors： Khan MA,Gerner P,Kuo Wang G

更新日期：2002-01-01 00:00:00