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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 550 (1988), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 550 (1988), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 51 (1996), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The effect of a bolus and continuous infusion of midazolam on postoperative morphine consumption was assed in a placebo-controlled, double-blind, randomly allocated trial of 50 patients undergoing elective abdominal hysterectomy. Patients in the trial group received a bolus dose of midazolam 5 mg.70 kg-1 at induction followed by an infusion at a rate of 1 mg.70 kg h-1 over the next 48h. Morphine consumption in the midazolam group was scientifically lower in the first 12 h postoperatively. (p 〈 0.02) but there was no significant difference between the two groups thereafter. Patients in the midazolam treated group had lower pain scores over the first 24 h. Also, a significantly greater number of patients in the midazolam group required no antiemetic medication over the 48 h study period (p 〈 0.05). Assessment of sedation revealed no significant difference between groups. We conclude that low dose midazolam has a significant, but short-lived, morphine sparing effect.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 51 (1996), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 50 (1995), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Anaesthesia, postoperative analgesia and the incidence of adverse effects after intrathecal pethidine hydrochloride 0.50mg.kg-1 and 0.75mg.kg-1 were assessed and compared with a conventional technique using isobaric bupivacaine 13.75mg in patients undergoing transurethral resection of the prostate gland. Sensory and motor block were significantly shorter with both pethidine regimens than with bupivacaine (p 〈 0.001). Although sensory and motor block were shorter after pethidine 0.50mg.kg-1 than after pethidine 0.75mg.kg-1 the difference in duration was clinically insignificant. The incidence of incomplete motor block was significantly greater with pethidine 0.50mg.kg-1 than with bupivacaine 13.75mg.kg-1 (p 〈 0.01). Visual analogue pain scores recorded after the operation were low and were similar in the pethidine groups to those obtained with bupivacaine alone. Mean arterial blood pressure was significantly lower in both pethidine groups compared with the bupivacaine group between 30 and 240 min after intrathecal injection (p 〈 0.001). However, the within-group reductions in blood pressure were within clinically acceptable limits. The incidences of nausea and emesis were low and emesis occurred in patients in the bupivacaine group only (p 〈 0.03). Pruritus was seen only in patients receiving pethidine. Intra-operative sedation occurred more often in patients receiving both pethidine 0.50mg.kg-1 and 0.75mg.kg-1 compared with patients receiving bupivacaine (p 〈 0.04). Both pethidine regimens provided acceptable anaesthesia and there were no significant differences between the two regimens in quality of intra-operative anaesthesia, incidence of adverse events or postoperative analgesia.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Anaesthesia 60 (2005), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We compared the analgesic efficacy and safety of remifentanil and pethidine via patient controlled analgesia for women in established uncomplicated labour. Women received either remifentanil 40 μg with a 2-min lockout (n = 20) or pethidine 15 mg with a 10-min lockout (n = 19). Visual analogue scores for pain during the study and for overall pain were similar for both groups (mean (SD) 6.4 (1.5) cm for remifentanil and 6.9 (1.7) cm for pethidine). The area under the curve for visual analogue scores of satisfaction with analgesia was higher for remifentanil than for pethidine (p = 0.001). Maternal arterial oxygen saturation was similar in both groups. Neurologic and Adaptive Capacity Scores at 30 min were higher for remifentanil than for pethidine (median (interquartile range [range]) 36 (34.5–37 [32–39]) vs 34 (33–35 [30–35]), respectively; p = 0.003).
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We measured the tidal volumes and peak inflation pressures generated during manual hyperventilation for chest physiotherapy in 25 adult ventilated patients. The average tidal volume ranged from 711 to 1511 ml, with a mean (SD) of 1120 (274) ml. There was a negative correlation (p 〈 0.05) between the average tidal volume and the lung injury, as measured by the Murray lung injury score. The average peak inflation pressure ranged from 37 to 74 cmH2O with a mean (SD) of 51.5 (7.6) cmH2O. There was a positive correlation (p 〈 0.05) between average peak inflation pressure and the lung injury score. Mean (SD) Pao2 improved by 18.3 (14.3) kPa from baseline after physiotherapy (p 〈 0.05). Mean (SD) Paco2 decreased by 0.1 (0.4) kPa. As the lung score increases higher inflation pressures and smaller tidal volumes are used suggesting an increased potential for barotrauma or volutrauma in susceptible lungs.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 37 (1982), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Equipotent concentrations of enflurane and halothane inhaled by children caused substantial hypotension and respiratory depression, these changes being more pronounced with the former agent.Plasma catecholamine levels were unaltered indicating that enflurane, like halothane, elicits little sympatho-adrenal response.Induction of anaesthesia and recovery times were largely comparable but earlier and more frequent use of narcotic analgesics was required after enflurane anaesthesia.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Tracheal intubating conditions were assessed in 112 children after induction of anaesthesia with propofol and remifentanil 1.0, 2.0 or 3.0 µg.kg−1. Subjects in a control group were given propofol and mivacurium 0.2 mg.kg−1. Haemodynamic and respiratory parameters were recorded. Plasma catecholamine levels were measured in a subgroup of 40 children. Intubating conditions were acceptable in 14/28 (50%), 18/26 (69%) and 22/27 (82%) in those subjects given remifentanil 1.0, 2.0 or 3.0 µg.kg−1, respectively, and in 27/28 (96%) of the control group. Intubating conditions in subjects given remifentanil 3.0 µg.kg−1 were better than in those given remifentanil 1.0 µg.kg−1 (p 〈 0.05). There were no significant differences in intubating conditions between those given remifentanil 3.0 µg.kg−1 and the control group. Systolic blood pressure and heart rate increased in response to tracheal intubation in subjects given remifentanil 1.0 µg.kg−1 and in the control group (p 〈 0.05). Time to resumption of spontaneous respiration was prolonged in subjects given remifentanil 3.0 µg.kg−1 (p 〈 0.001). In conclusion, remifentanil 2 µg.kg−1 provides acceptable intubating conditions and haemodynamic stability without prolonging the return of spontaneous respiration.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The interaction between medical plastics and drugs is complex. Drug absorption into plastics may affect drug dosage and the migration of plastics' additives into a drug solution may affect drug composition. We investigated the stability of those plastics which may be used in infusion systems to inject liquid volatile anaesthetic drugs directly into an anaesthetic breathing system. Samples of two types of polypropylene from a syringe barrel and plunger and low- and high-density polyethylene from extension tubing were exposed to isoflurane and sevoflurane for 1, 7 or 250 days. All samples were from the same batches. Samples of the plastics (n = 24) and the liquid volatile anaesthetics (n = 24) were subjected to Fourier transform-infrared spectroscopy to produce series of absorption spectra. By reference to control sample absorption spectra, this allows detection of anaesthetic drug absorption into the plastics or migration of the plastics or their additives into the liquid anaesthetics. We found no evidence of migration of the plastic components or their additives into the liquid anaesthetic drugs at any of the exposure periods. Similarly, we found no evidence of absorption of isoflurane or sevoflurane by any of the plastic components during short-term exposure of either 1 or 7 days. However, there was evidence of some absorption of the anaesthetic drugs by the polyethylene plastics after about 8 months' exposure. It would appear that low- and high-density polyethylene and polypropylene are suitably safe for use in infusion systems for the direct injection of isoflurane and sevoflurane into anaesthetic breathing systems.
    Type of Medium: Electronic Resource
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