Rationalization of the selection of tracheal tubes.

abstract：BACKGROUND:Mechanosensory thalamocortical relay neurones (TCNs) receive glutamatergic excitatory input and are subjected to gamma-aminobutyric acid (GABA)Aergic inhibitory input. This study assessed the effects of an increase in concentration of isoflurane on thalamic excitatory and inhibitory mechanisms. METHODS:TCNs...

journal_title：British journal of anaesthesia

authors： Detsch O,Kochs E,Siemers M,Bromm B,Vahle-Hinz C

更新日期：2002-08-01 00:00:00

abstract：:A 38-yr-old woman with an atrial septum defect and Eisenmenger syndrome was scheduled for a lung biopsy via thoracoscopy during one-lung ventilation. Fluids were given to increase central venous pressure to 8 mm Hg, an epidural catheter was inserted at the sixth thoracic intervertebral space and ropivacaine 0.3%, 6 ml...

journal_title：British journal of anaesthesia

authors： Heller AR,Litz RJ,Koch T

更新日期：2004-04-01 00:00:00

abstract：BACKGROUND:Recent research into memory formation under sedation has generated conflicting results. We investigated explicit and implicit memory in ICU patients during moderate to deep propofol sedation following cardiac surgery. METHODS:Two different methods of memory testing were used; (1). free-association (F-A) wor...

journal_title：British journal of anaesthesia

authors： Clark J,Voss L,Barnard J,Sleigh J

更新日期：2003-12-01 00:00:00

abstract：:Several risk scores have been developed to calculate the probability of postoperative nausea and vomiting (PONV). However, the power to discriminate which individual will suffer from PONV is still limited. Thus, we wondered how the number of predictors in a score affects the discriminating power and how the characteri...

journal_title：British journal of anaesthesia

authors： Apfel CC,Kranke P,Greim CA,Roewer N

更新日期：2001-06-01 00:00:00

abstract：:One hundred patients presenting for surgical treatment of fractured neck of femur were allocated to receive either spinal (SAB) or general (GA) anaesthesia. Before operation, the mean PaO2 was 9.04 kPa. There was a significant decrease in PaO2 of 0.68 kPa in GA group at 1 h after operation, while blood-gas values were...

journal_title：British journal of anaesthesia

authors： McKenzie PJ,Wishart HY,Dewar KM,Gray I,Smith G

更新日期：1980-01-01 00:00:00

abstract：:Methodology for assessment of depth of anaesthesia based on analysis of the electroencephalogram (EEG) is controversial. Techniques range from display of single measures, for example median value of the frequency spectrum, to dedicated pattern recognition systems based on measures of several EEG features. We have comp...

journal_title：British journal of anaesthesia

authors： Thomsen CE,Prior PF

更新日期：1996-08-01 00:00:00

abstract：:Intercostal nerve blockade of the 10th, 11th and 12th thoracic nerves on the right side was compared with i.m. papaveretum as analgesia after appendicectomy. Patients with intercostal nerve blockade had significantly less pain at 0, 4, 8 and 12 h after operation and required less papaveretum (mean 0.26 mg kg-1/24 h) c...

journal_title：British journal of anaesthesia

authors： Bunting P,McGeachie JF

更新日期：1988-08-01 00:00:00

abstract：BACKGROUND:The relationship between end-tidal sevoflurane concentration, bispectral index (BIS) and the EEG bispectrum in children appears to be age dependent. The aim of this study was to quantify the BIS values at 1 MAC (minimum alveolar concentration) for desflurane and halothane, and explore the relationship with a...

journal_title：British journal of anaesthesia

authors： Tirel O,Wodey E,Harris R,Bansard JY,Ecoffey C,Senhadji L

更新日期：2006-04-01 00:00:00

abstract：BACKGROUND:There has been increasing use of invasive techniques, such as extracorporeal organ support, in intensive care units (ICU), and declining autopsy rates. Thus, new measures are needed to maintain high-quality standards. We investigated the potential of computed tomography (CT)-based virtual autopsy to substitu...

journal_title：British journal of anaesthesia

authors： Wichmann D,Heinemann A,Zähler S,Vogel H,Höpker W,Püschel K,Kluge S

更新日期：2018-06-01 00:00:00

abstract：BACKGROUND:Improvement of postoperative pain and other perioperative outcomes remain a significant challenge and a matter of debate among perioperative clinicians. This systematic review aims to evaluate the effects of perioperative i.v. lidocaine infusion on postoperative pain and recovery in patients undergoing vario...

journal_title：British journal of anaesthesia

authors： Weibel S,Jokinen J,Pace NL,Schnabel A,Hollmann MW,Hahnenkamp K,Eberhart LH,Poepping DM,Afshari A,Kranke P

更新日期：2016-06-01 00:00:00

abstract：BACKGROUND:Inconsistent and poorly coordinated systems of tracheostomy care commonly result in frustrations, delays, and harm. Quality improvement strategies described by exemplar hospitals of the Global Tracheostomy Collaborative have potential to mitigate such problems. This 3 yr guided implementation programme inves...

journal_title：British journal of anaesthesia

authors： McGrath BA,Wallace S,Lynch J,Bonvento B,Coe B,Owen A,Firn M,Brenner MJ,Edwards E,Finch TL,Cameron T,Narula A,Roberson DW

更新日期：2020-07-01 00:00:00

abstract：:We have examined the effect of isoflurane, halothane and fentanyl on heart rate variability (HRV) using power spectral analysis (PSA). Forty patients were allocated randomly to receive one of four anaesthetic techniques. Anaesthesia was induced with propofol 2 mg kg-1 and all patients breathed a mixture of 66% nitrous...

journal_title：British journal of anaesthesia

authors： Galletly DC,Westenberg AM,Robinson BJ,Corfiatis T

更新日期：1994-02-01 00:00:00

abstract：BACKGROUND:Atelectasis is known to develop during anaesthesia and after operation atelectasis leads to impaired oxygenation. Lung recruitment manoeuvres, positive end-expiratory pressure (PEEP), and continuous positive airway pressure (CPAP) have been proposed for reduction of atelectasis but their benefits have not be...

journal_title：British journal of anaesthesia

authors： Lumb AB,Greenhill SJ,Simpson MP,Stewart J

更新日期：2010-05-01 00:00:00

abstract：:An analysis of neuromuscular transmission has been made in phrenic nerve/diaphragm preparations from male rats aged 30 days or 110 days. The amplitude of miniature end-plate potentials was found to decrease with age, being 0.969 +/- SEM 0.058 mV at 30 days and 0.510 +/- SEM 0.031 mV at 110 days. Over the same period, ...

journal_title：British journal of anaesthesia

authors： Kelly SS,Roberts DV

更新日期：1977-03-01 00:00:00

abstract：BACKGROUND:With the increasing prevalence of children who are overweight and with obesity, anaesthesiologists must determine the optimal dosing of medications given the altered pharmacokinetics and pharmacodynamics in this population. We therefore determined the single dose of dexmedetomidine that provided sufficient s...

journal_title：British journal of anaesthesia

authors： Wu B,Shan J,Zhou Q,Wang L

更新日期：2021-01-22 00:00:00

abstract：:We studied 20 patients undergoing thoracotomy, in a double-blind, placebo-controlled crossover trial of intercostal bupivacaine. Bupivacaine 0.25% was infused at 5 ml h-1 through each of two catheters placed in the intercostal space at operation. Mean (95% confidence limits) 24-h requirements for morphine from a patie...

journal_title：British journal of anaesthesia

authors： Dryden CM,McMenemin I,Duthie DJ

更新日期：1993-05-01 00:00:00

abstract：BACKGROUND:Axillary vein catheterization via a distal approach is an alternative to the proximal approach to axillary/subclavian vein catheterization under ultrasound (US) guidance. The aim of this trial was to compare the two approaches. METHODS:In a randomized single-centre study, all patients requiring central vein...

journal_title：British journal of anaesthesia

authors： Buzançais G,Roger C,Bastide S,Jeannes P,Lefrant JY,Muller L

更新日期：2016-02-01 00:00:00

abstract：BACKGROUND:The low and moderate doses of dexmedetomidine reduce arterial pressure and heart rate (HR), suggesting attenuation of sympathetic activity and dominance of cardiac-vagal activity. These autonomic responses under dexmedetomidine sedation may attenuate cardiovascular reflex responses to temporal reduction in a...

journal_title：British journal of anaesthesia

authors： Kato J,Ogawa Y,Kojima W,Aoki K,Ogawa S,Iwasaki K

更新日期：2009-10-01 00:00:00

abstract：:We describe a scavenging device, primarily for use during inhalation induction of anaesthesia in children; it was designed to optimize the often conflicting requirements of clinical acceptability and adequate gas collection. The performance was assessed in three ways. The device reduced the nitrous oxide concentration...

journal_title：British journal of anaesthesia

authors： Sik MJ,Lewis RB,Eveleigh DJ

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND:This study was undertaken to compare the effects of general anaesthesia (GA) and spinal anaesthesia (SA) on the need for postoperative hospitalization and early postoperative comfort in patients undergoing fast-track total knee arthroplasty (TKA). METHODS:One hundred and twenty subjects were randomly alloca...

journal_title：British journal of anaesthesia

authors： Harsten A,Kehlet H,Toksvig-Larsen S

更新日期：2013-09-01 00:00:00

abstract：:We have compared, in a randomized, double-blind study, the pharmacokinetics of ropivacaine and bupivacaine during labour. Total and free plasma concentrations of ropivacaine and bupivacaine were measured after the first of two extradural doses. The main dose was 20 mg (test dose) and 30 mg, with a top-up dose of 25 mg...

journal_title：British journal of anaesthesia

authors： McCrae AF,Westerling P,McClure JH

更新日期：1997-11-01 00:00:00

abstract：:The effects of i.m. dexmedetomidine 1.0 micrograms kg-1, a new alpha 2-adrenoceptor agonist, were compared with those of i.m. midazolam 0.08 mg kg-1 and placebo on vigilance, anaesthetic requirements, haemodynamic state and plasma catecholamine concentrations in a double-blind placebo-controlled study in 107 healthy (...

journal_title：British journal of anaesthesia

authors： Aantaa R,Jaakola ML,Kallio A,Kanto J,Scheinin M,Vuorinen J

更新日期：1991-10-01 00:00:00

abstract：:A 39-year-old male suffered a closed chest deceleration injury. He presented with clinical and radiological signs consistent with trauma to the thoracic aorta, but also developed sinus bradycardia which was relieved by drainage of a haemothorax. The possible mechanisms of the changes in heart rate are discussed and di...

journal_title：British journal of anaesthesia

authors： Kong RS,Wood PR

更新日期：1994-03-01 00:00:00

abstract：:It is known that propofol can have effects on atrioventricular node conduction. We report a case where administration of propofol was associated with termination of supraventricular tachycardia. Although a similar phenomenon has been reported in children, this is the first such case in an adult. ...

journal_title：British journal of anaesthesia

authors： Kannan S,Sherwood N

更新日期：2002-06-01 00:00:00

abstract：BACKGROUND:Multiple cognitive and psychiatric disorders are associated with an increased tonic inhibitory conductance that is generated by α5 subunit-containing γ-aminobutyric acid type A (α5 GABAA) receptors. Negative allosteric modulators that inhibit α5 GABAA receptors (α5-NAMs) are being developed as treatments for...

journal_title：British journal of anaesthesia

authors： Manzo MA,Wang DS,Li WW,Pinguelo A,Popa MO,Khodaei S,Atack JR,Ross RA,Orser BA

更新日期：2020-12-30 00:00:00

abstract：BACKGROUND:Midlatency auditory evoked potentials (MLAEP) are a promising tool for monitoring suppression of sensory processing during anaesthesia and might help to avoid awareness. MLAEP in children are different to those in adults and the exact changes during general anaesthesia are unknown. METHODS:In 49 children of...

journal_title：British journal of anaesthesia

authors： Daunderer M,Feuerecker MS,Scheller B,Pape NB,Schwender D,Kuhnle GE

更新日期：2007-12-01 00:00:00

abstract：:Resperatory compliance and resistance were measured during positive pressure ventilation in anaesthtized, paralysed dogs. Airway pressures measured during constant-flow inspiration allowed the calculation of pulmonary and chest-wall resistances, and static and non-static compliances. Contiguous studies of dynamic comp...

journal_title：British journal of anaesthesia

authors： Shanks CA,Campbell DI,Telford H

更新日期：1976-12-01 00:00:00

abstract：:We have compared the efficacy of patient-controlled interscalene analgesia (PCIA) using ropivacaine with patient-controlled analgesia (PCA) using nicomorphine in 60 patients (n = 30 in each group), in a prospective, randomized study. In both groups, all patients received interscalene block with 0.75% ropivacaine befor...

journal_title：British journal of anaesthesia

authors： Borgeat A,Tewes E,Biasca N,Gerber C

更新日期：1998-10-01 00:00:00

abstract：:Forty-five patients undergoing circumcision were allocated randomly to one of three study groups to compare topical analgesia with dorsal nerve block using the midline or lateral approach. Pain scores, side effects and analgesic requirements were recorded after surgery. Patients who received topical analgesia required...

journal_title：British journal of anaesthesia

authors： Chambers FA,Lee J,Smith J,Casey W

更新日期：1994-10-01 00:00:00

abstract：BACKGROUND:Desflurane (DES)-induced preconditioning is mediated by large-conductance calcium-activated potassium channels (BK(Ca)). Whether BK(Ca) are involved in anaesthetic-induced post-conditioning is unknown. We tested the hypothesis that DES-induced post-conditioning is mediated by BK(Ca) upstream of the mitochond...

journal_title：British journal of anaesthesia

authors： Stumpner J,Lange M,Beck A,Smul TM,Lotz CA,Kehl F,Roewer N,Redel A

更新日期：2012-04-01 00:00:00