Human subthalamic neuron spiking exhibits subtle responses to sedatives.

abstract：BACKGROUND:Offset analgesia, in which a disproportionally large amount of analgesia becomes apparent upon a slight decrease in noxious heat stimulation, has not been described previously in patients with chronic pain. METHODS:Offset analgesia responses in 10 patients with neuropathic pain (in both legs) were compared ...

journal_title：Anesthesiology

authors： Niesters M,Hoitsma E,Sarton E,Aarts L,Dahan A

更新日期：2011-11-01 00:00:00

abstract：BACKGROUND:Mortality after noncardiac surgery has been associated with the "triple low state," a combination of low mean arterial blood pressure (<75 mmHg), low bispectral index (<45), and low minimum alveolar concentration of volatile anesthesia (<0.70). The authors set out to determine whether duration of a triple lo...

journal_title：Anesthesiology

authors： Kertai MD,White WD,Gan TJ

更新日期：2014-07-01 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：:To determine the minimum alveolar concentration (MAC) and hemodynamic responses to halothane, isoflurane, and sevoflurane in newborn swine, 36 fasting swine 4-10 days of age were anesthetized with one of the three volatile anesthetics in 100% oxygen. MAC was determined for each swine. Carotid artery and internal jugul...

journal_title：Anesthesiology

authors： Lerman J,Oyston JP,Gallagher TM,Miyasaka K,Volgyesi GA,Burrows FA

更新日期：1990-10-01 00:00:00

abstract：:Neomycin and polymyxin B produce neuromuscular blocks with distinct features by different mechanisms of action. In eight anesthetized cats the authors studied their interaction by examining the neuromuscular block produced by an equipotent mixture. Values of onset, potency, dose-response relations, duration and revers...

journal_title：Anesthesiology

authors： Lee C,de Silva AJ

更新日期：1979-03-01 00:00:00

abstract：BACKGROUND:To interpret correctly the results from studies performed during surgery and anesthesia it is necessary to dissect the separate effect of the anesthetic technique itself. The purpose of this study was to investigate the metabolic effects of epidural blockade (T7-S1) with bupivacaine 0.25% after 12 h fasting ...

journal_title：Anesthesiology

authors： Schricker T,Klubien K,Wykes L,Carli F

更新日期：2000-01-01 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:Intravascular volume replacement is often required in the presence of increased pulmonary capillary leakage, for example in patients with volutrauma with major hemorrhage. In the present study, the effects of Ringer's acetate (RA), gelatin-polysuccinate (GEL), and a modern hydroxyethyl starch (HES, 6% 130/0....

journal_title：Anesthesiology

authors： Silva PL,Güldner A,Uhlig C,Carvalho N,Beda A,Rentzsch I,Kasper M,Wiedemann B,Spieth PM,Koch T,Capelozzi VL,Pelosi P,Rocco PR,de Abreu MG

更新日期：2013-02-01 00:00:00

abstract：:The need for accurate clinical diagnosis and appropriate intervention requires that a modern blood-gas laboratory have the means to correct for significant discrepancies between patient temperature and the temperature at which in vitro blood samples are analyzed. Recent advances in mini- and microcomputer technology p...

journal_title：Anesthesiology

authors： Andritsch RF,Muravchick S,Gold MI

更新日期：1981-09-01 00:00:00

abstract：BACKGROUND:We have previously shown that intralipid (lipid emulsion) protects the heart against ischemia/reperfusion injury and bupivacaine-induced cardiotoxicity. However, the precise underlying mechanisms are not fully understood. Here we explored the hypothesis that free fatty acid receptor-1 or G-protein-coupled re...

journal_title：Anesthesiology

authors： Umar S,Li J,Hannabass K,Vaillancourt M,Cunningham CM,Moazeni S,Mahajan A,Eghbali M

更新日期：2018-07-01 00:00:00

abstract：:To evaluate the effect of aging on the distribution, metabolism, and neuromuscular junction sensitivity to pancuronium and vecuronium, the authors determined the pharmacokinetics and pharmacodynamics of these drugs in 12 healthy elderly subjects (70-84 yr) and 12 young adults (30-57 yr) during halothane-nitrous oxide ...

journal_title：Anesthesiology

authors： Rupp SM,Castagnoli KP,Fisher DM,Miller RD

更新日期：1987-07-01 00:00:00

abstract：BACKGROUND:In animals, systemic and intrathecal administration of the alpha2 -adrenergic receptor agonist dexmedetomidine results in robust antinociceptive effects in models of heat pain. In humans, systemically administered dexmedetomidine is approved for sedating patients in the intensive care unit. However, whether ...

journal_title：Anesthesiology

authors： Angst MS,Ramaswamy B,Davies MF,Maze M

更新日期：2004-09-01 00:00:00

abstract：:The authors undertook a prospective study of 30 patients undergoing halothane anesthesia for coronary-artery revascularization to ascertain which clinically monitored hemodynamic variables--or combination of variables--associated with myocardial oxygen supply and demand best predict myocardial ischemia. Simultaneous r...

journal_title：Anesthesiology

authors： Lieberman RW,Orkin FK,Jobes DR,Schwartz AJ

更新日期：1983-07-01 00:00:00

abstract：:The effects of vasopressor therapy on intracranial pressure (ICP) during hypotension were evaluated in 45 adult cats anesthetized with pentobarbital and hyperventilated via an endotracheal tube with nitrous oxide, 70 per cent, and oxygen, 30 per cent, to maintain Paco2 25 plus or minus 5 torr. Hypotension was induced ...

journal_title：Anesthesiology

authors： Stullken EH Jr,Sokoll MD

更新日期：1975-04-01 00:00:00

abstract：BACKGROUND:The permutation entropy, the approximate entropy, and the index of consciousness are some of the most recently studied electroencephalogram-derived indexes. In this work, a thorough comparison of these indexes was performed using propofol anesthesia in a rabbit model. METHODS:Six rabbits were anesthetized w...

journal_title：Anesthesiology

authors： Silva A,Campos S,Monteiro J,Venâncio C,Costa B,Guedes de Pinho P,Antunes L

更新日期：2011-08-01 00:00:00

abstract：:A carcinogen bioassay of enflurane was performed in Swiss/ICR mice. Two groups of weanling mice, each of 125 males and 125 females, were exposed to eigher a maximum tolerated dose of enflurane, 3000 ppm (0.3 per cent v/v) or compressed air for 4 hs per day, 5 days per week. After 52 weeks exposure, 25 males and 25 fem...

journal_title：Anesthesiology

authors： Baden JM,Egbert B,Mazze RI

更新日期：1982-01-01 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：:This study was designed to assess the relationship between MAC and hypertension. To this purpose, MAC of halothane was determined in fully inbred spontaneously hypertensive rats (SHR) and Wistar Kyoto rats (WKY). Because MAC determination was performed in animals whose lungs were mechanically ventilated, the adequacy ...

journal_title：Anesthesiology

authors： Wouters P,Doursout MF,Merin RG,Chelly JE

更新日期：1990-05-01 00:00:00

abstract：BACKGROUND:The aim of this study was to determine whether halothane and isoflurane used during and after surgical injury attenuate subsequent hyperexcitability of spinal dorsal horn (SDH) neurons by preventing development of central sensitization. METHODS:Activity of a wide-dynamic-range neuron of the SDH was isolated...

journal_title：Anesthesiology

authors： Kawamata M,Narimatsu E,Kozuka Y,Takahashi T,Sugino S,Niiya T,Namiki A

更新日期：2005-01-01 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: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: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:Due to potential neurologic sequelae, the risk:benefit ratio of thoracic epidural analgesia is controversial. Surprisingly, however, few available data address neurologic complications. The incidence of neurologic complications occurring after thoracic epidural catheterization was studied in patients schedul...

journal_title：Anesthesiology

authors： Giebler RM,Scherer RU,Peters J

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND:Propofol can be associated with delayed awakening after prolonged infusion. The aim of this study was to characterize the preclinical pharmacology of AZD-3043, a positive allosteric modulator of the γ-aminobutyric acid type A (GABA(A)) receptor containing a metabolically labile ester moiety. The authors post...

journal_title：Anesthesiology

authors： Egan TD,Obara S,Jenkins TE,Jaw-Tsai SS,Amagasu S,Cook DR,Steffensen SC,Beattie DT

更新日期：2012-06-01 00:00:00

abstract：:We sought to determine the percent delivery by metered-dose inhaler (MDI) of a preparation of salbutamol (albuterol) to the distal end of either pediatric-size tracheal tubes or a narrow-gauge catheter. A bench model consisting of a swivel actuator; 3.0-6.0-mm ID tracheal tubes all 16 cm in length or a 19-G (standard ...

journal_title：Anesthesiology

authors： Taylor RH,Lerman J

更新日期：1991-02-01 00:00:00

abstract：BACKGROUND:Electroconvulsion therapy is likely to serve as an effective preconditioning stimulus for inducing tolerance to ischemic brain injury. The current study examines whether electrical stimuli on the spinal cord is also capable of inducing tolerance to ischemic spinal cord injury by transient aortic occlusion. ...

journal_title：Anesthesiology

authors： Kakinohana M,Harada H,Mishima Y,Kano T,Sugahara K

更新日期：2005-07-01 00:00:00

abstract：:Volatile anesthetics inhibit phagocytic cell function, yet little is known about their effects on target tissues or on the target tissue response to stimulated phagocytes. Experiments were performed to determine how exposure to halothane and isoflurane changes rat pulmonary artery endothelial cell (RPAEC) viability in...

journal_title：Anesthesiology

authors： Shayevitz JR,Varani J,Ward PA,Knight PR

更新日期：1991-06-01 00:00:00

abstract：BACKGROUND:Pneumocephalus occurs in a variety of clinical settings and has important anesthetic implications, particularly if N2O is used. One common cause of pneumocephalus is a craniotomy or craniectomy, and therefore, patients undergoing these neurosurgical procedures may be at increased risk for the development of ...

journal_title：Anesthesiology

authors： Reasoner DK,Todd MM,Scamman FL,Warner DS

更新日期：1994-05-01 00:00:00

abstract：BACKGROUND:Gabapentin, a gamma-aminobutyric acid analog anticonvulsant, has been shown to possess antinociceptive effects in animal models and clinical trials. An endogenous binding site of [3H]gabapentin has been revealed to be the alpha(2)delta subunit of voltage-dependent Ca2+ channels. Magnesium chloride, ruthenium...

journal_title：Anesthesiology

authors： Cheng JK,Lai YJ,Chen CC,Cheng CR,Chiou LC

更新日期：2003-06-01 00:00:00

abstract：BACKGROUND:The authors conducted a randomized, controlled, parallel-arm, superiority study to test the hypothesis that a continuous adductor canal block decreases the time to attain four discharge criteria compared with a continuous femoral nerve block after tricompartment knee arthroplasty. METHODS:Subjects undergoin...

journal_title：Anesthesiology

authors： Machi AT,Sztain JF,Kormylo NJ,Madison SJ,Abramson WB,Monahan AM,Khatibi B,Ball ST,Gonzales FB,Sessler DI,Mascha EJ,You J,Nakanote KA,Ilfeld BM

更新日期：2015-08-01 00:00:00