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  • 1990-1994  (4)
  • 1985-1989  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 43 (1988), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Propofol 2.5 mg/kg was compared with thiopentone 5 mg/kg in a randomised open study, as an induction agent in paediatric anaesthesia. One hundred and twenty children who were to undergo elective surgery were included in the study. Both propofol and thiopentone produced a rapid and smooth induction with a low incidence of side effects. A similar decrease (10%) in mean arterial pressure was observed with both agents, hut propofol showed better suppression of the haemodynamic response to tracheal intubation. Respiratory upsets occurred less frequently with propofol than with thiopentone, but propofol frequently induced discomfort on injection. Both agents provided satisfactory and controllable induction of anaesthesia and no major adverse reactions occurred during or after anaesthesia. We conclude that propofol is a useful alternative as an induction agent in children.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 47 (1992), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 45 (1990), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A sensitive radioreceptor assay was used to determine the pharmacokinetics of glycopyrronium 6 μg/kg after intramuscular (deltoid muscle) administration in eight Caesarean section patients. A fast absorption rate was found with a mean maximum plasma concentration (Cmax of 6.3 (SD 1.5) ng/ml, a mean time to Cmax (Tmax) of 10.0 (3.8) minutes and the elimination half-life (Tl of 33.4 (1.92). The respective AUC0–8 h value was 5.61 (1.27) hours ng/ml. This dose produced a significant increase in the maternal heart rate after 10 minutes (p 〈 0.05) and an antisialogogue effect after 30 minutes (p 〈 0.05) of the drug injection. Almost half of drug (48.3%) was excreted into the urine within 3 hours. There were no measurable levels of glycopyrronium in the lumbar cerebrospinal fluid (CSF) after 60 minutes of drug injection. The concentrations of glycopyrronium in the umbilical venous (0.28 (0.25) ng/ml) and in the umbilical arterial (0.18 (0.11) ng/ml) plasma after 86 minutes of drug injection were low and clinically insignificant, as was the case in the amniotic fluid (0.15 (0.08) ng/ml).
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 44 (1989), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The effects of oral temazepam (20 mg), oral midazolam (15 mg) and a placebo were compared for night sedation on the evening prior to surgery in a double-blind study. Patients in the placebo group had significantly worse sleep than those in the temazepam (p = 0.004) or midazolam groups (p = 0.04). There was no significant difference between the two drug groups, nor between the residual effects of the three treatments. Temazepam appears to be somewhat more effective than the ultrashort-acting midazolam in pre-operative transient insomnia.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 49 (1994), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The effects of dexmedetomidine 1.0 μg.kg-1, midazolam 20 μg.kg-1 and saline placebo were assessed in a double-blind, randomised study in 90 patients undergoing day-case cataract surgery under regional anaesthesia. The trial drug was injected into the deltoid muscle 45 min before the peri-ocular block. Dexmedetomidine 1.0 μg.kg-1 decreased intra-ocular pressure before, during and after surgery. The maximum reduction in mean (SD) intra-ocular pressure occurred in the dexmedetomine group just before discharge from hospital (17.7 (2.8) mmHg to 11.5 (2.9) mmHg) (p 〈 0.001 compared with midazolam and placebo). In contrast, midazolam did not differ from saline placebo. Dexmedetomidine and midazolam produced a similar sedative effect of short duration. Dexmedetomidine induced a moderate decrease in blood pressure (p 〈 0.001 compared with placebo) and a slight but statistically significant decrease in heart rate throughout the study period (p 〈 0.001 compared with placebo). Dexmedetomidine 1.0 μg.kg-1 intramuscularly, effectively reduced intra-ocular pressure and produced short-acting sedation with marginal cardiovascular effects; it may be a useful premedicant drug for elderly patients undergoing day-case cataract surgery under regional anaesthesia.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 44 (1989), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Propofol 2.5 mg/kg was compared with thiopentone 5 mg/kg as an induction agent for elective Caesarean section. Thirty-two healthy women with cephalopelvic disproportion were included in an open randomised study. The placental transfer of propofol was also studied in 10 other mothers given a single dose of 2.5 mg/kg. The induction characteristics and haemodynamic response to propofol and thiopentone were similar. Side effects were rare with both agents, but propofol caused more discomfort on injection compared to thiopentone. Recovery times were shorter after propofol as evaluated by time to orientation, recovery scoring after anaesthesia and measurements with the Maddox wing. Rapid placental transfer and significant fetal uptake were detected for propofol. There was no significant neonatal depression as assessed by Apgar scores and blood gas analyses. Propofol appears to be a suitable alternative to thiopentone as an induction agent for anaesthesia in elective Caesarean section.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 48 (1993), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Alpha2 agonists have been shown to decrease intra-ocular pressure in ophthalmic surgery. We studied the effects of dexmedetomidine, a new a2 agonist, on intra-ocular pressure, haemodynamic parameters, sedation, anxiolysis and dryness of mouth in 35 (Asa physical status 1–3) patients undergoing day-case cataract surgery under peri-ocular anaesthesia. Five different doses of dexmedetomidine (0.25, 0.5, 0.75, 1.0 and 1.5 μg.kg−1) were used in this double-blind, randomised and placebo-controlled study. The trial drug was administered into the deltoid muscle 60 min before surgery. The 1.0 μg.kg−1 dose of dexmedetomidine produced a 32% reduction of intra-ocular pressure (p = 0.002). This dose induced moderate sedation, but was not associated with significant haemodynamic changes. A significant decrease in heart rate and systolic blood pressure was seen only with the highest dose of dexmedetomidine. Our results suggest that dexmedetomidine 1.0 μg.kg−1 produces sedation and a reduction of intra-ocular pressure with minimal haemodynamic side effects when given intramuscularly as premedication before cataract surgery under regional anaesthesia.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 31 (1987), S. 673-676 
    ISSN: 1432-1041
    Keywords: buprenorphine ; fentanyl ; critical flicker fusion threshold-test ; Maddox wing readings ; visual analoque scale scores ; healthy volunteers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary We have tested the usefulness of the critical flicker fusion threshold-test (CFF), Maddox wing readings (MW), and visual analoque scale scores (VAS) in a double-blind, random-order study designed to evaluate the clinical effects of two different kinds of opiates, buprenorphine and fentanyl in comparison with those of placebo. The results were compared with the so-called postanaesthetic recovery score (PARS). In 7 healthy volunteers MW and VAS differentiated the effects of buprenorphine 7.5 µg/kg i.v. from those of fentanyl 2.5 µg/kg i.v. and placebo. CFF was very insensitive in this respect and PARS completely useless. Our results show that, in addition to the known usefulness of VAS, MW is also able to differentiate the effects of these opiates.
    Type of Medium: Electronic Resource
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