Abstract:
:General anaesthesia influences the cardiovascular system at different levels. To increase our knowledge of how sympathetic outflow is affected by anaesthetic interventions, we used direct microelectrode recordings of muscle sympathetic activity (MSA) in the peroneal nerve in 18 patients scheduled for ENT-surgery. During induction of anaesthesia (propofol 2.1 mg/kg or methohexitone 1.4 mg/kg), all patients showed reductions in MSA (from 41 +/- 4 to 20 +/- 4 bursts/min). With endotracheal intubation there was a sudden increase of activity and in several patients the normal pulse-synchrony of MSA was lost temporarily. Maintenance of anaesthesia with nitrous oxide (n = 12) increased MSA and methohexitone (n = 2), propofol (n = 3) and isoflurane (n = 8) decreased MSA, while the effect of halothane (n = 3) varied. Baroreflex mechanisms were still operative but seemed to be depressed in relation to anaesthetic agent and depth. Laryngeal and surgical stimuli caused increases in MSA and blood pressure, lasting several minutes after the stimulation. It is concluded that the strength of MSA is profoundly influenced by the choice of anaesthetic agent. A suppression of activity is more common than an increase. Qualitatively, several sympathetic reflexes operate in a similar way during light anaesthesia as in awake subjects, but are depressed or absent during deep anaesthesia.
journal_name
Acta Anaesthesiol Scandjournal_title
Acta anaesthesiologica Scandinavicaauthors
Sellgren J,Pontén J,Wallin BGdoi
10.1111/j.1399-6576.1992.tb03478.xsubject
Has Abstractpub_date
1992-05-01 00:00:00pages
336-45issue
4eissn
0001-5172issn
1399-6576journal_volume
36pub_type
杂志文章abstract:BACKGROUND:Addition of an opioid to low-dose spinal anesthesia with bupivacaine improves the quality and success of anesthesia. However, the intrathecal fentanyl-induced pruritus is as high as 75%. We hypothesized that after administration of 4 or 8 mg of prophylactic IV ondansetron, the incidence of pruritus induced b...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1046/j.1399-6576.2003.00206.x
更新日期:2003-11-01 00:00:00
abstract:BACKGROUND:Previous studies have shown that ventilation-perfusion matching is improved in the prone as compared with that in the supine position. Regional differences in the regulation of vascular tone may explain this. We have recently demonstrated higher production of nitric oxide in dorsal compared with ventral huma...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2009.02018.x
更新日期:2009-10-01 00:00:00
abstract::A large and important group of acid-base disturbances are the metabolic acidoses. In general, every type of metabolic acidosis can be treated with infusion of base when the underlying cause of the disturbances is removed. In our medical centers, the use of tris and bicarbonate is common. For a long time they were comp...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1982.tb01752.x
更新日期:1982-06-01 00:00:00
abstract::Patients undergoing surgery under regional anaesthesia often receive narcotic analgesics for premedication which may modify the sedative and amnesic effects of intravenously administered diazepam. Sixty-two patients scheduled for upper extremity surgery under intravenous regional anaesthesia received 0.15 mg/kg of dia...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1981.tb01660.x
更新日期:1981-08-01 00:00:00
abstract::The effect of blood transfusions on the electrolyte, metabolic and hemodynamic status of 31 patients undergoing major laparotomies was studied. Two groups were compared: Group I, 11 patients receiving continuous intraoperative blood transfusions exceeding 5 units at a rate over 0.3 ml/kg/min, and Group II, 20 patients...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1986.tb02384.x
更新日期:1986-02-01 00:00:00
abstract:BACKGROUND:Morphine decreases gut peristalsis, and ketamine decreases morphine use after surgery, and does not slow peristalsis. Thus, the combination should result in faster return of bowel function after surgery than morphine alone. METHOD:A double-blind randomized controlled trial of saline vs. ketamine with intrav...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章,随机对照试验
doi:10.1111/j.1399-6576.2007.01436.x
更新日期:2007-10-01 00:00:00
abstract:AIM:The study aim was to determine relevance and applicability of generic predictors of clinical deterioration in emergency departments based on consensus among clinicians. METHODS:Thirty-three predictors of clinical deterioration identified from literature were assessed in a modified two-stage Delphi-process. Sixty-e...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/aas.13709
更新日期:2021-02-01 00:00:00
abstract:BACKGROUND:Postoperative cognitive dysfunction (POCD) is a common complication, especially in the elderly. The aim of this study was to describe how variability in neuropsychological testing could lead to the detection of cognitive improvement and poor consistency of POCD between postoperative test sessions. METHODS:I...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 临床试验,杂志文章
doi:10.1111/j.1399-6576.2004.00502.x
更新日期:2004-10-01 00:00:00
abstract::The hypothalamic-pituitary-adrenocortical (HPA) responses to the hypoglycaemic stimulus and to operation (laparotomy) are compared. The studies were carried out in eight patients who were subjected to insulin-induced hypoglycaemia on the day before elective abdominal surgery. Plasma corticotrophin (ACTH) and plasma co...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1979.tb01428.x
更新日期:1979-02-01 00:00:00
abstract:BACKGROUND:Paracetamol is commonly used for post-operative pain management in combination with more potent analgesics. The best route of paracetamol administration after major surgery, when oral intake may not be optimal, is not known. Our primary purpose was to study plasma concentrations after the 1st and 4th dose of...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章,随机对照试验
doi:10.1111/j.1399-6576.2006.01043.x
更新日期:2006-07-01 00:00:00
abstract:BACKGROUND:Metohexital and propofol are short-acting induction agents, which have a tendency to prolong the QTc interval of the ECG. We studied whether this increase could be prevented by combining a beta-blocking agent, esmolol, with these drugs. Simultaneously, we studied the hemodynamic effects of these combinations...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章,随机对照试验
doi:10.1111/j.1399-6576.2006.00911.x
更新日期:2006-02-01 00:00:00
abstract::We investigated the mechanism of the action of volatile anesthetics on the airway smooth muscle constricted by an antigen and leukotriene-D4 (LTD4). Excised tracheal rings from ovalbumin-sensitized guinea pigs were suspended in eight tissue baths. Halothane or isoflurane was aerated into four tissue baths, while the r...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1995.tb04240.x
更新日期:1995-11-01 00:00:00
abstract:BACKGROUND:Intraosseous (IO) access is used for fluid and medication administration in emergency situations when difficulties with vascular access are encountered. IO access would be readily available to take samples for point-of-care (POC) analysis, but there is scarce evidence about the reliability of POC analysis of...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/aas.13443
更新日期:2019-11-01 00:00:00
abstract::We report a severe unilateral recurrent laryngeal nerve neuropraxia following use of the ProSeal laryngeal mask airway (PLMA) in a 71-year-old female patient with CREST syndrome. She required amputation of the 5th phalanx of foot because of gangrene due to Raynaud's syndrome. Anesthesia was induced with propofol, and ...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2005.00616.x
更新日期:2005-04-01 00:00:00
abstract::The in vitro effects of flunarizine on indirectly- and directly-elicited contractions in rat phrenic-hemidiaphragm preparations were studied. The interactions of flunarizine with non-depolarizing and depolarizing neuromuscular blocking drugs (pancuronium and suxamethonium) and with an aminoglycoside antibiotic (neomyc...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1989.tb02971.x
更新日期:1989-10-01 00:00:00
abstract:BACKGROUND:Dose requirements of thiopental depend on patient characteristics and infusion rate. We determined thiopental dose requirements for induction of anaesthesia, and the effects of remifentanil on cardiovascular and bispectral index (BIS) responses to tracheal intubation in spinal cord-injured (SCI) patients und...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2011.02640.x
更新日期:2012-07-01 00:00:00
abstract::The skin conductance response (SCR) (the "sympatho-galvanic reflex") was studied in volunteers and in a few patients undergoing spinal analgesia. Electrical stimulation over the clavicle, breath-holding during inspiration, a short, deep breath and a sharp sound provoked a marked change in conductance not only in the h...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1984.tb02123.x
更新日期:1984-10-01 00:00:00
abstract:BACKGROUND AND METHODS:The infusion of dextran solutions is associated with haemodilution and, under some conditions, with a slight increase in plasma viscosity. To clarify the compound effects of simultaneous haemodilution and plasma viscosity increases on macro- and microhaemodynamics, we investigated the changes in ...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1995.tb04050.x
更新日期:1995-02-01 00:00:00
abstract::The influence of a sedative dose of "lytic cocktail" (chlorpromazine, promethazine and pethidine) on cerebral blood flow (CBF) and oxygen consumjtion (CMRO2) was tested in artificially ventilated rats, maintained on either 70% N2 or 70% N2O. When given alone, the lytic cocktail had no significant effect on CBF or CMRO...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1978.tb01332.x
更新日期:1978-01-01 00:00:00
abstract::Alcuronium 0.03 mg/kg was studied in a double-blind randomized fashion as a pretreatment before suxamethonium using different time intervals between the administration of the drugs in 78 patients (ASA I-II) undergoing otolaryngological surgery. Alcuronium was given 1, 2 or 3 min before suxamethonium 1.5 mg/kg. The con...
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.1399-6576.1988.tb02723.x
更新日期:1988-04-01 00:00:00
abstract:BACKGROUND:Transfusion of red blood cells (RBCs) remains controversial in patients with septic shock, but current practice is unknown. Our aim was to evaluate RBC transfusion practice in septic shock in the intensive care unit (ICU), and patient characteristics and outcome associated with RBC transfusion. METHODS:Pros...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2012.02666.x
更新日期:2012-07-01 00:00:00
abstract::Psychomotor and cognitive dysfunction in cancer patients can be classified into two main categories according to etiology: disease-induced factors (metabolic disturbances, brain metastasis, pain, etc.) and treatment-related factors (drugs, antineoplastic therapy, etc.). In particular, the effects of chronic opioid adm...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1997.tb04631.x
更新日期:1997-01-01 00:00:00
abstract:BACKGROUND:Mask ventilation occasionally fails. Alternative readily available and simple methods to establish ventilation in these cases are needed. METHODS:Retrospective description of cases in which a new technique, tube tip in pharynx (TTIP) ventilation, was employed for restoring ventilation in case of failed face...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2004.00579.x
更新日期:2005-02-01 00:00:00
abstract::Desmopressin (DDAVP) may be used to augment the action of factor VIII in mild haemophilia. Its use has been associated with serious adverse effects. We report a case of a three-year-old child with a family history of haemophilia who suffered complications due to severe acute hyponatraemia following the administration ...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1034/j.1399-6576.1999.430817.x
更新日期:1999-09-01 00:00:00
abstract:BACKGROUND:During the last two decades, epidural analgesia has become 'a gold standard' for labour pain in most Western countries. Newer short-acting opioids given systemically represent an alternative for adequate pain relief without using regional techniques. With this survey, we wish to explore how Norwegian hospita...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2009.01988.x
更新日期:2009-07-01 00:00:00
abstract:BACKGROUND:Variations or disturbances in intrathoracic and extracardiac pressures (ECP) occur in critically ill and anaesthetised patients. There are uncertainties concerning the analysis of left ventricular pressure-volume relationship (LVPVR) and the calculation of systolic function parameters when conducted without ...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1034/j.1399-6576.2001.045007868.x
更新日期:2001-08-01 00:00:00
abstract::Male Wistar rats were injected epidurally or intrathecally with increasing doses of sufentanil or morphine in order to determine differences in potency, onset and duration of analgesia and supra-spinal side-effects. For sufentanil, only small differences in the lowest ED50-values for analgesia and supra-spinal side-ef...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1992.tb03449.x
更新日期:1992-02-01 00:00:00
abstract::Non-steroidal anti-inflammatory drugs (NSAID) effectively reduce the need for opioid analgesia after various types of surgery. The efficacy of diclofenac and ketoprofen to relieve pain after maxillofacial surgery was compared in the present study. In a randomized and double-blind fashion, 90 ASA I-II patients (16-60 y...
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.1399-6576.1995.tb05599.x
更新日期:1995-01-01 00:00:00
abstract::The importance to mucociliary transport (MCT) and the condition of the mucus of using a heat and moisture exchanger (HME) was investigated. A high tracheotomy was performed on 10 young pigs. The animals were ventilated using a non-breathing system. In five animals an HME was used; the other five were connected directl...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1991.tb03293.x
更新日期:1991-05-01 00:00:00
abstract::The plasma fluoride and bromide concentrations were studied in operating theatre personnel. When enflurane was used, the increase in plasma fluoride concentration could not be distinguished from normal individual variations, but the plasma bromide concentration increased significantly when halothane was used. Seven pa...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1985.tb02278.x
更新日期:1985-10-01 00:00:00