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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Pediatric anesthesia 1 (1991), S. 0 
    ISSN: 1460-9592
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A transient inability to open the eyes after total intravenous anaesthesia with propofol is described in a 4-year-old child. The possible mechanisms of the production of this complication are discussed.
    Type of Medium: Electronic Resource
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  • 2
    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: Eye-opening and eye movements were assessed in 110 awake and cooperative ASA class 1 and 2 patients after elective ENT surgery with total intravenous anaesthesia using propofol, fentanyl and atracurium. Following tracheal extubation and after regaining consciousness 21 patients showed a complete transient bilateral inability to open their eyes combined with a total gaze paresis, while another 30 patients showed an impairment of eye-opening and/or eye movements to a lesser extent. In all patients affected symmetrical recovery of both impaired eye-opening and eye movements occurred during the following 20 min. The occurrence of ophthalmological symptoms was not related to the duration of anaesthesia or the propofol infusion rate. Thus a complex ophthalmological phenomenon occurred after total intravenous anaesthesia in approximately 50% of awake and cooperative patients. The aetiology of this phenomenon and the implications for the understanding of the mechanisms of general anaesthesia remain to be determined.
    Type of Medium: Electronic Resource
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  • 3
    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
    Notes: The cardiovascular response to fibreoptic oral intubation under total intravenous anaesthesia with propofol or a balanced volatile technique with thiopentone I enflurane was compared in 50 patients of physical status ASA 1 and 2 who were scheduled for elective ear, nose and throat surgery. Patients were randomly assigned to receive propofol or enflurane. There was no significant difference between the two anaesthetic techniques in haemodynamic profile either before, during or after fibreoptic intubation (the study design was adequate to detect a 20% difference with 〉 90% statistical power), in incidence of postoperative sore throat or in lime taken for intubation. In no patient did the oxygen saturation decrease to below 95% or the CO2 tension exceed 5.8 kPa.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 39 (1984), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Measurements of the vapour concentrations delivered by the EMO and Oxford Miniature Vaporizers (OMV) were made with both continuous (plenum mode) and intermittent (drawover mode) air flows. Leakage of ether, halothane and trichloroethylene vapours through the corrugated elephant tubing was also measured.Both vaporizers performed most consistently with the intermittent flows, for which they were designed. Outputs were minimal at very low carrier gas flows, reached their greatest at the higher settings in the middle flow range and tended to be low at the highest flows. These effects were far more notable with continuous than with intermittent flows. Minimal amounts of ether were lost through the tubing but halothane losses were appreciable, while losses of trichloroethylene were enough to reduce the concentrations available to the patient.The EMO is not suitable for plenum use with carrier gas flows below about 10 litres/min. The OMV is a useful plenum vaporizer although the outputs are generally lower than indicated at higher flows.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: During normoventilation and‘light’, haemodynamically stable, steady-state anaesthesia with isoflurane 0.3%, the effect of ketamine intravenously was investigated in 24 patients randomly assigned to one of the following groups: group 1 (control group) no ketamine, group 2 (ketamine group) ketamine 2mg.kg, group 3 (ketamine/midazolam group) ketamine 2mg.kg-1 after pretreatment with midazolam and group 4 (ketamine/esmolol group) ketamine 2mg.kg -1 while maintaining mean arterial blood pressure at a preketamine level with esmolol. Ketamine-induced cerebrovascular changes were measured by means of transcranial Doppler ultrasonography. Control readings in patients without ketamine challenge demonstrated stable cardiovascular and cerebrovascular baseline conditions. Cerebral blood flow velocity and mean arterial blood pressure, however, significantly increased after administration of ketamine without pretreatment. The increase in cerebral blood flow velocity could not be blocked by maintaining mean arterial blood pressure at baseline value with esmolol. In contrast, the effects of ketamine on cerebral blood flow velocity and mean arterial blood pressure were prevented by prior administration of midazolam. The results suggest that ketamine may significantly influence intracerebral haemodynamics via a direct drug effect rather than via a secondary effect due to changes in arterial carbon dioxide and/or mean arterial blood pressure.
    Type of Medium: Electronic Resource
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  • 6
    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: One hundred ASA grade 1 and 2 patients requiring orotracheal intubation for various general surgical procedures were randomly assigned to receive either expert rigid laryngoscopic or novice fibreoptic orotracheal intubation under total intravenous anaesthesia. Five anaesthesia residents in the 4th year, with no prior experience in fibreoptic laryngoscopy, participated in a fibreoptic training course, viewing two instructional videos and practising on the intubation manikin. Each resident intubated 20 patients in a randomised fashion either as an expert laryngoscopist or as a fibreoptic novice. The time (SEM) to achieve successful intubation was statistically different for fibreoptic and rigid intubation (77.2 (5.1) s vs 17.7 (1.6) s, p 〈 0.01). The time to achieve successful rigid laryngoscopic intubation remained constant over the ten intubations, whereas time required for fibreoptic intubation decreases significantly (p 〈 0.01). The learning objectives (fibreoptic intubation times in 60 s or less and with 90% or greater success rate on the first intubation attempt) were met by all residents. The haemodynamic profile was similar for fibreoptically intubated and conventionally intubated patients and there was no difference between the first two or the last two fibreoptive or rigid intubations. The study was designed to detect a difference of 10% in means (assuming β= 0.05 and 0.2). The incidence of postoperative sore throat, dysphagia or hoarsensess was similar in both groups. We conclude that routine fibreoptic orotracheal intubation in ASA grades 1 and 2 surgical patients is justifiable for teaching this valuable technique. since it increases clinical exposure to fibreoptic intubation, which should be learned and mastered by all anaesthetic residents by completion of their residency.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Continuous peri-operative three-channel Holter monitoring in a 70-year-old patient undergoing elective hip arthroplasty failed to show onset and progression of a lethal postoperative myocardial infarction, which was clearly visible in a 12-lead electrocardiogram. The modified bipolar leads used for Holter monitoring differed from the corresponding leads of the 12-lead electrocardiogram. The limitations of Holter monitoring applied to clinical management and research are highlighted.
    Type of Medium: Electronic Resource
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  • 8
    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
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 108 (1986), S. 7481-7484 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 10
    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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