British journal of anaesthesia
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Flow triggering in ventilators is an alternative to pressure triggering. Differences between these two trigger mechanisms may not be clinically significant in most patients. We report two patients with high spinal cord lesions in whom the use of flow triggering was unsuccessful. Severe muscle weakness in these patients made them sensitive to small changes in ventilator trigger characteristics.
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The commercial propofol preparation in an intralipid solution causes marked vasodilatation. Both propofol and its solvent seem to stimulate the nitric oxide (NO) pathway. The role of intralipid in cardiac and regional haemodynamic changes induced by propofol and their respective interactions with the NO pathway was assessed. ⋯ Except for the coronary and carotid circulations, intralipid modulates the NO pathway in cardiac and regional blood flow.
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Review Meta Analysis
Effectiveness of acute postoperative pain management: I. Evidence from published data.
This review examines the evidence from published data concerning the incidence of moderate-severe and of severe pain after major surgery, with three analgesic techniques; intramuscular (i.m.) analgesia, patient controlled analgesia (PCA), and epidural analgesia. ⋯ These results suggest that the UK Audit Commission (1997) proposed standards of care might be unachievable using current analgesic techniques. The data may be useful in setting standards of care for Acute Pain Services.
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Randomized Controlled Trial Comparative Study Clinical Trial
Epidural analgesia and backache: a randomized controlled comparison with intramuscular meperidine for analgesia during labour.
Concern has been expressed that epidural analgesia for labour may be associated with a higher incidence of backache. ⋯ Epidural analgesia in labour was not associated with an increase in the prevalence or incidence of backache.
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Review Case Reports
Maternal deaths from anaesthesia. An extract from Why mothers die 1997-1999, the Confidential Enquiries into Maternal Deaths in the United Kingdom.
This article is reprinted from Why Mothers Die 1997-1999, the fifth report of the Confidential Enquiries into Maternal Deaths in the United Kingdom.