Abstract:
:The effect of nitrous oxide on blood flow in the cerebral cortex, the cerebellum and the brain stem was evaluated in a rat model. Catheters were surgically implanted in advance to avoid influence from other anaesthetics. The animals were housed in a plastic tube where they were allowed to breathe spontaneously. Blood flow was determined with a microsphere technique. Animals were exposed to nitrous oxide, 75-80%, for 45 min and blood flow was measured after 15 and 45 min exposure and was compared to values obtained during room air breathing. In one animal group, nitrous oxide was administered for 45 min and blood flows were measured after 5 and 30 min withdrawal of the gas. Results showed that all animals had significant hyperventilation. In three groups CO2 had to be added to inspiratory gases to normalize arterial blood gases. This was interpreted as caused by stressful experimental conditions, not blunted by the nitrous oxide. Cortical blood flow values in the control situation were also higher than obtained in other animal studies. Despite this, nitrous oxide showed a significant vasodilation in the cerebral cortex and the brain stem at 15 min exposure. At discontinuation of nitrous oxide administration, blood flow values had decreased at 5 min.
journal_name
Acta Anaesthesiol Scandjournal_title
Acta anaesthesiologica Scandinavicaauthors
Carlsson C,Vasthare US,Tuma RF,Rocco MJ,Dombkoski RAdoi
10.1111/j.1399-6576.1991.tb03389.xsubject
Has Abstractpub_date
1991-11-01 00:00:00pages
771-5issue
8eissn
0001-5172issn
1399-6576journal_volume
35pub_type
杂志文章abstract::The influence of an intravenous infusion of naloxone 1 microgram kg-1 h-1, in combination with intrathecal diamorphine, on analgesia and hormonal stress responses after laminectomy was assessed in a blinded, randomized, placebo-controlled study. Twenty-seven patients undergoing laminectomy with postoperative analgesia...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1111/j.1399-6576.1992.tb03455.x
更新日期:1992-04-01 00:00:00
abstract:BACKGROUND:Failed intubation remains one cause of anaesthesia-related morbidity and mortality. In a recent survey in Denmark, 20% of respondents reported preventable mishaps in airway management. METHODS:Assessment of the airway, and its documentation, as well as the availability of various equipment to manage a diffi...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.0001-5172.2004.0337.x
更新日期:2004-03-01 00:00:00
abstract:BACKGROUND:Intraoperative awareness with explicit recall may be followed by long-lasting mental symptoms. However, the average risk for developing mental sequelae after awareness, and the average severity and the duration of symptoms has not previously been illustrated in a consecutive series of awareness cases. METHO...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1034/j.1399-6576.2002.t01-1-460301.x
更新日期:2002-03-01 00:00:00
abstract::Standardized behavioural observations were used to establish the influence of the type of anaesthesia on the mental function and the subjective physical well-being in 60 patients, all men, following urological surgery. The patients were randomized to two groups, receiving spinal or general anaesthesia. For evaluation ...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1111/j.1399-6576.1992.tb03531.x
更新日期:1992-10-01 00:00:00
abstract:BACKGROUND:Hysterectomy is often carried out as same-day surgery. Treatment of postoperative pain is, therefore, of utmost importance to ensure timely discharge from hospital. Methadone has several desirable pharmacological features, including a long elimination half-life. Theoretically, a single intraoperative dose co...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章,随机对照试验
doi:10.1111/aas.13433
更新日期:2019-10-01 00:00:00
abstract:BACKGROUND:Chances are slim that a clinically useful ultra-short-acting neuromuscular blocking agent of rapid onset will emerge from the benzylisoquinolinium or the aminosteroid series to which all currently popular relaxants belong. G-1-64 is a promising prototype of a new series of bis-quaternary ammonium salt of bis...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1034/j.1399-6576.1999.430610.x
更新日期:1999-07-01 00:00:00
abstract:BACKGROUND:Appropriate utilization of vancomycin is important to attain therapeutic targets while avoiding clinical failure and the development of antimicrobial resistance. Our aim was to observe the use of vancomycin in an intensive care population, with the main focus on achievement of therapeutic serum concentration...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/aas.12897
更新日期:2017-07-01 00:00:00
abstract::Thirteen patients with healthy hearts and lungs, and with a mean age of 68 years, who were scheduled for lower abdominal surgery during isoflurane anaesthesia with muscular paralysis, were investigated with arterial blood gases, spirometry, pulmonary x-ray and computed tomography (CT) of the chest before and during an...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1992.tb03516.x
更新日期:1992-08-01 00:00:00
abstract:BACKGROUND:The inhibitory effect of prostaglandin E1 (PGE1) on platelet aggregation is considered an important characteristic of this agent. However, the concentration of PGE1 to inhibit aggregation in vitro is higher than those of clinical use (1 ng/ml). To clarify whether PGE1 at clinically relevant concentrations in...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1034/j.1399-6576.2002.460810.x
更新日期:2002-09-01 00:00:00
abstract:BACKGROUND:This prospective, non-randomized study compared post-void residual volume in laboring and postpartum women with or without epidural analgesia. METHODS:The study was conducted over 1 year with institutional review board approval. Parturients were recruited in early labor and self-selected to either the study...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2006.01122.x
更新日期:2006-11-01 00:00:00
abstract::The onset phase of hypoalgesia, following intrathecal morphine, was assessed by experimental argon laser-induced pain. A dose of 0.4 mg morphine was injected pre-operatively at the L3-L4 level into nine patients. The thresholds to laser-induced pain and pain-evoked brain potentials were monitored for 2 h at the S1, L1...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1991.tb03318.x
更新日期:1991-07-01 00:00:00
abstract:BACKGROUND:Propofol has been used to facilitate tracheal intubation within a short time of sevoflurane induction without a muscle relaxant in children. We compared as the primary outcome the incidence of excellent intubating conditions after 8% sevoflurane and propofol 1 or 2 mg/kg. METHODS:One hundred and four patien...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章,随机对照试验
doi:10.1111/j.1399-6576.2011.02423.x
更新日期:2011-05-01 00:00:00
abstract::Anaphylactoid reactions were evoked during intravenous induction of anaesthesia in two patients on three occasions. In the first patient the reaction occurred during the first anaesthetic on propranolol and hydrochlorthiazide medication due to hypertension. Since the major target organ for the anaphylactoid reaction i...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1985.tb02272.x
更新日期:1985-08-01 00:00:00
abstract:BACKGROUND:Emergency Medical Dispatchers make decisions based on limited information. We aimed to investigate if adding demographic and hospitalization history information to the dispatch process improved precision. METHODS:This 30-day follow-up study evaluated time-critical emergencies in contact with the emergency p...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/aas.12654
更新日期:2016-03-01 00:00:00
abstract:BACKGROUND:Naloxone, an opioid antagonist, has a cardiovascular pressor effect and has been used in various types of shock states. The aim was to determine the non-opioid effect on direct cardiac muscle contractility and explore the mechanism using guinea pig right ventricular papillary muscles. METHODS:With instituti...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2004.00267.x
更新日期:2004-01-01 00:00:00
abstract:BACKGROUND:It has been shown that spinal reflexes such as the H-reflex predict motor responses to painful stimuli better than cortical parameters derived from the EEG. The precise concentration-dependence of H-reflex suppression by anaesthetics, however, is not known. Here we investigated this concentration-response re...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 临床试验,杂志文章
doi:10.1111/j.1399-6576.2004.00372.x
更新日期:2004-05-01 00:00:00
abstract::The adrenocortical, hyperglycemic, and hemodynamic responses to cholecystectomy or vagotomy were studied in 16 patients under halothane and N2O/O2 anesthesia. The patients were randomly divided into two groups: eight patients received naloxone in doses used clinically (2.5 microgram/kg i.v.) just before induction of a...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1111/j.1399-6576.1981.tb01598.x
更新日期:1981-02-01 00:00:00
abstract::The effect of isoflurane administration on diaphragmatic activity was investigated in six anaesthetized mechanically ventilated dogs. Diaphragmatic strength was assessed by measuring the transdiaphragmatic pressure (Pdi) generated during supramaximal stimulation of both cervical phrenic nerves at frequencies of 0.5, 1...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1993.tb03710.x
更新日期:1993-04-01 00:00:00
abstract:BACKGROUND:In recent years it has become increasingly clear that a cross-talk between the inflammatory response and blood coagulation exists, although many of the underlying mechanisms remain unclear. In the present study we investigated the potential anti-inflammatory properties of two different anticoagulant compound...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2005.00633.x
更新日期:2005-04-01 00:00:00
abstract:BACKGROUND:The noble gas helium induces cardio- and neuroprotection by pre- and post-conditioning. We investigated the effects of helium pre- and post-conditioning on the brain and heart in a rat resuscitation model. METHODS:After approval by the Animal Care Committee, 96 Wistar rats underwent cardiac arrest for 6 min...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/aas.13041
更新日期:2018-01-01 00:00:00
abstract::Monocyte-mediated cytolysis and thymidine uptake in phytohaemagglutinin-stimulated lymphocytes during and after hip replacement performed under combined epidural- and general anaesthesia were studied using in vitro culture techniques. Monocyte-mediated cytolysis was unchanged during operation but was significantly red...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1984.tb02078.x
更新日期:1984-08-01 00:00:00
abstract::Trauma resuscitation is a complex situation, and most organisations have multi-professional trauma teams. Non-technical skills are challenged during trauma resuscitation, and they play an important role in the prevention of critical incidents. Simulation-based training of these is recommended. Our research question wa...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章,评审
doi:10.1111/aas.12336
更新日期:2014-08-01 00:00:00
abstract:BACKGROUND:Dispatching centres were fused into one of the 112 entity, which caused concerns regarding whether the medical calls could be processed effectively also in the new centre. We evaluated the effects of the reform on key performance criteria in medical calls. METHODS:This observational study in the Helsinki Di...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2010.02243.x
更新日期:2010-07-01 00:00:00
abstract::This study examines the effects of nitrous oxide on haemodynamics, anterior left ventricular (LV) function and incidence of myocardial ischaemia in abdominal vascular surgical patients with coronary artery disease. Forty-seven patients were randomly assigned to isoflurane-fentanyl anaesthesia with nitrous oxide-oxygen...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1111/j.1399-6576.1994.tb04007.x
更新日期:1994-11-01 00:00:00
abstract::Thirteen patients submitted to total hip replacement surgery by the Charnley technique were studied. Operations were performed under epidural analgesia with the patients awake and breathing air. During the surgical procedure, the magnitude of tissue-thromboplastic activity, the amount of fat globules, the presence of ...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1975.tb05219.x
更新日期:1975-01-01 00:00:00
abstract:BACKGROUND:The primary aim was to investigate the performance of a National Advisory Committee for Aeronautics based predictive model (NACA-BM) for mortality at 14 days and a reference model using motor GCS (GCS-RM). The secondary aim was to compare the models for impaired consciousness of survivors at 14 days (IC-14; ...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/aas.13229
更新日期:2019-01-01 00:00:00
abstract:BACKGROUND:The literature suggests that blood product transfusions have a negative impact on the survival of liver transplant patients. We investigated the impact of intraoperative blood product usage on the survival of liver transplantation patients being transplanted for hepatitis C-related end-stage liver disease. I...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2010.02313.x
更新日期:2010-11-01 00:00:00
abstract:BACKGROUND:In total hip replacement surgery several anesthesiological techniques can be used. In this study we compared continuous spinal anesthesia (CSA) and postoperative analgesia vs. single-shot spinal anesthesia (SPA) and postoperative patient-controlled intravenous analgesia with morphine (SPA). METHODS:In a pro...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1034/j.1399-6576.2003.00173.x
更新日期:2003-08-01 00:00:00
abstract::Ten subjects volunteered to inhale a test gas containing 0, 10, 20 and 30% nitrous oxide. After equilibration at each nitrous oxide concentration, the reaction time was measured using both the single-hand and the double-hand methods, and then the critical flicker fusion frequency was measured. Using the flicker funsio...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1980.tb01511.x
更新日期:1980-04-01 00:00:00
abstract::We have constructed a nomogram for fresh gas flow (VFG) and minute ventilation (VE) for paediatric anaesthesia during controlled ventilation using the Bain coaxial Mapleson D circuit. VFG was based upon the assumption of a high fresh gas utilization because of a low VFG/VE ratio (0.67) and known figures of carbon diox...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1990.tb03081.x
更新日期:1990-05-01 00:00:00