Comparative hemodynamic depression of sevoflurane versus halothane in infants: an echocardiographic study.

abstract：BACKGROUND:An in vitro model of epidural catheter contamination was used to determine if disconnected catheters can be safely reconnected. METHODS:Epidural catheters were filled with brain-heart infusion (BHI) broth or preservative-free saline containing 5 micrograms/ml fentanyl. Escherichia coli, Pseudomonas aerugino...

journal_title：Anesthesiology

authors： Langevin PB,Gravenstein N,Langevin SO,Gulig PA

更新日期：1996-10-01 00:00:00

abstract：BACKGROUND:In cardiac patients, pulmonary capillary wedge pressure (PCWP) is estimated using color M-mode Doppler study of left ventricular filling and Doppler tissue imaging. The goal of this study was to assess whether echocardiography accurately estimates PCWP in critically ill patients. METHODS:Sixty ventilated pa...

journal_title：Anesthesiology

authors： Bouhemad B,Nicolas-Robin A,Benois A,Lemaire S,Goarin JP,Rouby JJ

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND:Although intravenous patient-controlled analgesia opioids and epidural analgesia offer improved analgesia for postoperative patients treated on an acute pain service, these modalities also expose patients to some risk of serious morbidity and even mortality. Root cause analysis, a process for identifying the...

journal_title：Anesthesiology

authors： Paul JE,Buckley N,McLean RF,Antoni K,Musson D,Kampf M,Buckley D,Marcoux M,Frketich R,Thabane L,Cheng J

更新日期：2014-01-01 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：:Carotid endarterectomy requires temporary surgical occlusion of the involved carotid artery. During occlusion, the minimally acceptable (critical) internal carotid artery stump pressure is reported to be 50 torr, whereas for regional cerebral blood flow (rCBF), a critical range is reported to be 18-24 ml/100 g/min. Du...

journal_title：Anesthesiology

authors： McKay RD,Sundt TM,Michenfelder JD,Gronert GA,Messick JM,Sharbrough FW,Piepgras DG

更新日期：1976-10-01 00:00:00

abstract：:Four volunteers judged eight levels of thermal stimuli induced by a Hardy dolorimeter, varying in intensity from extremely painful to a low level seldom even perceived. Half of the 406 stimuli were applied during acupuncture and half either before insertion or after removal of the needles. The experimental design mini...

journal_title：Anesthesiology

authors： Day RL,Kitahata LM,Kao FF,Motoyama EK,Hardy JD

更新日期：1975-11-01 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:Studies using transthoracic thermodilution have demonstrated increased extravascular lung water (EVLW) measurements attributed to progression of edema and flooding during sepsis and acute lung injury. The authors hypothesized that redistribution of pulmonary blood flow can cause increased apparent EVLW secon...

journal_title：Anesthesiology

authors： Easley RB,Mulreany DG,Lancaster CT,Custer JW,Fernandez-Bustamante A,Colantuoni E,Simon BA

更新日期：2009-11-01 00:00:00

abstract：:The effect of physostigmine on the loss of consciousness and respiratory depression induced in rabbits by flunitrazepam, 1 mg/kg, was studied to demonstrate whether the restoration of consciousness and respiration rate results from an increase in central cholinergic activity or from an interference by physostigmine wi...

journal_title：Anesthesiology

authors： Vatashsky E,Beilin B,Razin M,Weinstock M

更新日期：1986-02-01 00:00:00

abstract：BACKGROUND:Postoperative nausea and vomiting continue to be a significant problem for pediatric ambulatory surgery patients. Although ondansetron has been demonstrated to be effective in the prophylactic treatment of postoperative nausea and vomiting (surrogate end point) no one has demonstrated a benefit of antiemetic...

journal_title：Anesthesiology

authors： Davis PJ,McGowan FX Jr,Landsman I,Maloney K,Hoffmann P

更新日期：1995-11-01 00:00:00

abstract：:Using the open ventriculocisternal perfusion method, rates of cerebrospinal fluid (CSF) production and reabsorption by bulk flow were examined in dogs anesthetized with either enflurane (2.2%) in nitrogen (60-70%) and oxygen, or nitrous oxide (60-70%) and enflurane (less than 0.2%) in oxygen (controls). The mean rate ...

journal_title：Anesthesiology

authors： Artru AA,Nugent M,Michenfelder JD

更新日期：1982-10-01 00:00:00

abstract：BACKGROUND:Pain following thoracotomy can persist for years with an undetermined impact on quality of life. Factors hypothesized to modulate this painful experience include analgesic regimen, gender, and type of incision. METHODS:A total of 157 generally healthy patients of both genders scheduled for segmentectomy, lo...

journal_title：Anesthesiology

authors： Ochroch EA,Gottschalk A,Augostides J,Carson KA,Kent L,Malayaman N,Kaiser LR,Aukburg SJ

更新日期：2002-11-01 00:00:00

abstract：BACKGROUND:Propofol and alfentanil frequently are administered together for intravenous sedation. This study investigated pharmacokinetic and pharmacodynamic interactions between propofol and alfentanil, at sedative concentrations, with specific regard to effects on ventilation, analgesia, sedation, and nausea. METHOD...

journal_title：Anesthesiology

authors： Pavlin DJ,Coda B,Shen DD,Tschanz J,Nguyen Q,Schaffer R,Donaldson G,Jacobson RC,Chapman CR

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND:Etomidate is a sedative hypnotic that is often used in critically ill patients because it provides superior hemodynamic stability. However, it also binds with high affinity to 11beta-hydroxylase, potently suppressing the synthesis of steroids by the adrenal gland that are necessary for survival. The authors ...

journal_title：Anesthesiology

authors： Cotten JF,Forman SA,Laha JK,Cuny GD,Husain SS,Miller KW,Nguyen HH,Kelly EW,Stewart D,Liu A,Raines DE

更新日期：2010-03-01 00:00:00

abstract：BACKGROUND:Amyloid deposition is a potential contributor to postoperative cognitive dysfunction. The authors hypothesized that 6-week global cortical amyloid burden, determined by F-florbetapir positron emission tomography, would be greater in those patients manifesting cognitive dysfunction at 6 weeks postoperatively....

journal_title：Anesthesiology

authors： Klinger RY,James OG,Borges-Neto S,Bisanar T,Li YJ,Qi W,Berger M,Terrando N,Newman MF,Doraiswamy PM,Mathew JP,Alzheimer’s Disease Neuroimaging Initiative (ADNI) Study Group.,Neurologic Outcomes Research Group (NORG).

更新日期：2018-04-01 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:Local anesthetics that produce analgesia of long duration with minimal impairment of autonomic functions are highly desirable for pain management in the clinic. Prenylamine is a known calcium channel blocker, but its local anesthetic blocking effects on voltage-gated sodium channels have not been studied thu...

journal_title：Anesthesiology

authors： Mujtaba MG,Gerner P,Wang GK

更新日期：2001-11-01 00:00:00

abstract：BACKGROUND:Whether coronary steal is induced by inhaled anesthetic agents remains controversial in part because multiple factors determine collateral blood flow. METHODS:We used an established model to determine how halothane, isoflurane, and desflurane affect the hemodynamic determinants of coronary collateral blood ...

journal_title：Anesthesiology

authors： Mignella R,Buffington CW

更新日期：1995-10-01 00:00:00

abstract：BACKGROUND:Myocardial contractility is regulated by intracellular concentration of free Ca2+ ([Ca2'],) and myofilament Ca2+ sensitivity. The objective of this study was to elucidate the direct effects of thiopental on cardiac excitation-contraction coupling using individual, field-stimulated ventricular myocytes. METH...

journal_title：Anesthesiology

authors： Kanaya N,Zakhary DR,Murray PA,Damron DS

更新日期：1998-07-01 00:00:00

abstract：BACKGROUND:There is little information concerning the carbon dioxide-related effects on respiratory mechanics in anesthetized, paralyzed subjects; however, hypocapnia or hypercapnia is often permitted in patients with severe brain injury or acute respiratory distress syndrome. Therefore, the carbon dioxide dependence o...

journal_title：Anesthesiology

authors： D'Angelo E,Calderini IS,Tavola M

更新日期：2001-04-01 00:00:00

abstract：BACKGROUND:Factors determining renal function at organ recovery in deceased kidney donors are not well established. METHODS:The authors studied the prevalence and risk factors associated with elevated prerecovery creatinine and calculated glomerular filtration rate in 458 deceased organ donors identified through the C...

journal_title：Anesthesiology

authors： Blasi-Ibanez A,Hirose R,Feiner J,Freise C,Stock PG,Roberts JP,Niemann CU

更新日期：2009-02-01 00:00:00

abstract：:Neuromuscular blockers may affect cerebral blood flow (CBF) regulation in the newborn. We studied the effects of d-tubocurarine (0.1 mg.kg-1, n = 8), pancuronium (0.1 and 0.4 mg.kg-1, n = 6 and 7), and vecuronium (0.1 and 0.4 mg.kg-1, n = 6 and 7) on CBF measured over the same range of mean systemic blood pressure ([B...

journal_title：Anesthesiology

authors： Chemtob S,Barna T,Beharry K,Aranda JV,Varma DR

更新日期：1992-02-01 00:00:00

abstract：BACKGROUND:Clonidine, an alpha 2-adrenoceptor agonist, has been shown to be effective as a preanesthetic medication in adults. The current study was designed to investigate the efficacy of two doses of oral clonidine as a premedicant preceding oral atropine in children. METHODS:In a prospective, randomized, double-bli...

journal_title：Anesthesiology

authors： Mikawa K,Maekawa N,Nishina K,Takao Y,Yaku H,Obara H

更新日期：1993-11-01 00:00:00

abstract：BACKGROUND:3,4-Methylenedioxymethamphetamine (MDMA, "ecstasy") can mediate acute toxic effects such as muscle rigidity, metabolic acidosis, and hyperthermia. Because of close clinical similarities, an association between MDMA intoxication and malignant hyperthermia (MH) was suggested. The aim of this study was to inves...

journal_title：Anesthesiology

authors： Fiege M,Wappler F,Weisshorn R,Gerbershagen MU,Menge M,Schulte Am Esch J

更新日期：2003-11-01 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:Ulnar neuropathy is well-recognized as a potential complication of procedures performed on anesthetized patients. However, reported outcomes and risk factors for this problem are based on small series and anecdotes. METHODS:We retrospectively reviewed the perioperative courses of 1,129,692 consecutive patie...

journal_title：Anesthesiology

authors： Warner MA,Warner ME,Martin JT

更新日期：1994-12-01 00:00:00

abstract：BACKGROUND:When performing experiments at room temperature with volatile general anesthetics and in vitro mammalian preparations (such as isolated neurons), the question arises as to which concentrations of anesthetics are "clinically relevant." Different choices can lead to different interpretations of the anesthetic ...

journal_title：Anesthesiology

authors： Franks NP,Lieb WR

更新日期：1996-03-01 00:00:00

abstract：BACKGROUND:Postoperative cognitive dysfunction is common, but it remains unclear whether there are long-term adverse cognitive effects of surgery combined with anesthesia. The authors examined the association between exposure to surgery and level of cognitive functioning in a sample of 8,503 middle-aged and elderly twi...

journal_title：Anesthesiology

authors： Dokkedal U,Hansen TG,Rasmussen LS,Mengel-From J,Christensen K

更新日期：2016-02-01 00:00:00

abstract：BACKGROUND:The minimum alveolar concentration (MAC) of volatile anesthetics is decreased during pregnancy, but MAC in the early postpartum period has not been reported. The aim of this study was to determine the MAC of isoflurane and to evaluate the relation between MAC and serum progesterone and beta-endorphin in pati...

journal_title：Anesthesiology

authors： Zhou HH,Norman P,DeLima LG,Mehta M,Bass D

更新日期：1995-06-01 00:00:00

abstract：:Opioid receptors have been targeted for the treatment of pain and related disorders for thousands of years and remain the most widely used analgesics in the clinic. Mu (μ), kappa (κ), and delta (δ) opioid receptors represent the originally classified receptor subtypes, with opioid receptor like-1 (ORL1) being the leas...

journal_title：Anesthesiology

authors： Al-Hasani R,Bruchas MR

更新日期：2011-12-01 00:00:00