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  • 1
    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 feasibility of clay ease laparoscopic cholecystectomy was assessed in unselected patients using a standard anaesthetic protocol. Postoperative pain and nausea were assessed at 6 and 24 h postoperatively (visual analogue scale, range 0-10). Thirty-two patients were studied (23 female. 9 male, mean age 49.6 years). The mean duration of surgery was 68 mitt. At 6 h after surgery, 10 patients (31%) had no pain at rest. For the group as a whole, the median pain score was 3 at rest (range 0-6), 4 on movement (0 9), and 5 on coughing (0 9) and eight patients (25%) were nauseated. At 24 It, 15 (46.9%) had no pain at rest. For the group as a whole, the median pain score was I at rest (0-7), 3 (0-6) on movement and 3 on coughing (0 9). The same eight patients were nauseated. Ten patients (31.3%) were judged fit for discharge at 6h, and 28 (87.5%) by 24h. There was no statistical difference in mean age or duration of surgery in those judged fit for early discharge compared to the study group as a whole. Nausea was an important factor in those unfit for discharge at 24 It. Selection criteria might improve these figures. Front the results of our study, 24 h admission is a more realistic goal and will be suitable for most patients requiring laparoscopic cholecystectomy.
    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
    Notes: Anaesthetists are increasingly involved in patient care during magnetic resonance imaging and spectroscopy. This paper describes a system which has been developed for the management of critically ill patients and the conduct of anaesthesia in a magnetic resonance unit with a 1.6 tesla whole body magnet. Difficulties which arise from working in a confined space in a high magnetic field are highlighted. Different approaches to anaesthesia, sedation and the modification of equipment for use in this environment are reviewed. The problems associated with patient monitoring within a magnetic field are discussed and some solutions are suggested. A transport system for critically ill patients is described and a protocol for management is outlined.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Dexmedetomidine reduces the dose requirements for opioids and anaesthetic agents. We conducted a single-centre, open-label, noncomparative phase II study of the effect of intravenous dexmedetomidine on the dose requirement of propofol to induce loss of consciousness in 49 ASA I and II patients. The initial dexmedetomidine infusion scheme was reduced twice because of adverse events. Forty patients who received the final infusion scheme were randomly allocated to receive one of five stepped propofol infusions; loss of consciousness was assessed after 21 min. The ED50 for the final infusion rate of propofol to suppress consciousness was 3.45 mg.kg−1.h−1 (95% CL 2.7–4.2): ED95 was 6.68 mg.kg−1.h−1 (95% CL 5.1–19.1), EC50 was 1.69 µg.ml−1 (95% CL 0.95–2.5) and EC95 was 5.7 µg.ml−1 (95% CL 3.2 to 〉 10). Our final dose of dexmedetomidine of 0.63 µg.kg−1 caused a reduction in the overall concentration and dose of propofol required to produce loss of consciousness, but no significant shift in the dose–response curve compared with other studies.
    Type of Medium: Electronic Resource
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  • 4
    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: Ten patients underwent a laparoscopic surgical technique for thoracic and cervical dissection of the oesophagus during oesophagogastrectomy. Thoracotomy was avoided with potential benefits to the patient. To facilitate surgical access the right lung was collapsed using a double-lumen bronchial tube and carbon dioxide was insufflated into the right pleural cavity to compress the lung. Changes in haemodynamic and respiratory variables occurred. In the majority of the patients airway pressure and end-tidal CO2 increased, despite alterations in ventilation. In five patients systolic blood pressure decreased suddenly by between 15 and 35 mmHg, and in four patients Spo2 decreased to 91% or less, despite an Fio2 of 1.0. If carbon dioxide was insufflated too fast, or the lung failed to deflate adequately, the clinical picture was that of a tension pneumothorax. One patient developed surgical emphysema and a contralateral pneumothorax. Postoperatively two patients had recurrent laryngeal nerve damage. Suggestions are made to minimise the changes in haemodynamic and respiratory variables during carbon dioxide insufflation into the thorax.
    Type of Medium: Electronic Resource
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  • 5
    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: Anaesthetists are being increasingly involved in magnetic resonance (MR) procedures, both in patient care and as a research tool. This paper outlines the physical basis of nuclear magnetic resonance and describes its application in magnetic resonance imaging and spectroscopy. Principles of magnet design and safety relevant to anaesthetic practice in a magnetic resonance environment are discussed and guidelines for anaesthetic practice suggested. Some recent clinical magnetic resonance studies of anaesthetic interest are reviewed.
    Type of Medium: Electronic Resource
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