Anaesthesia and intensive care
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Anaesth Intensive Care · Mar 2012
EditorialSugammadex: restricted vs unrestricted or selective vs non-selective?
Neville Gibbs and Peter Kam outline three evidence-based indications for use of sugammadex in 2012, even with its high cost:
Early reversal of rocuronium when suxamethonium is contraindicated. For example in ECT for patients with a pseudocholinesterase deficiency or neuromuscular denervation conditions.
Reversal of rocuronium when even very mild residual neuromuscular block carries significant patient risk. For example, patients with neuromuscular disorders such as myotonic dystrophy or myasthenia gravis; and patients with severe pulmonary disease with limited reserve.
Unplanned early reversal of rocuronium during a failed intubation where rapid reversal may allow awakening of the patient.
Rescue from residual paralysis despite having given neostigmine.
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Anaesth Intensive Care · Mar 2012
Review Meta AnalysisPrevention of gastrointestinal bleeding due to stress ulceration: a review of current literature.
Our objective was to audit our current stress ulcer prophylaxis protocol (routine prescription of ranitidine and early enteral feeding) by identifying whether routine prescription of histamine-2 receptor antagonists or proton pump inhibitors as prophylaxis against stress-related mucosal disease and subsequent upper gastrointestinal bleeding is supported in the literature. We also aimed to ascertain what literature evidence supports the role of early enteral feeding as an adjunctive prophylactic therapy, as well as to search for burn-patient specific evidence, since burn patients are at high risk for developing this condition, with the aim of changing our practice. PubMed and Cochrane databases were searched for relevant articles, yielding seven randomised controlled trials comparing histamine-2 receptor antagonists and proton pump inhibitors in the prevention of upper gastrointestinal bleeding associated with stress-related mucosal disease and three separate meta-analyses. ⋯ However, enteral feeding was found to be safe and effective in preventing clinically significant upper gastrointestinal bleeding. Patients able to tolerate feeds demonstrated no additional benefit with concomitant pharmacological prophylactic therapy. Since all burn patients at the Royal Adelaide Hospital are fed from very early in their admission, the literature suggests that we, like our intensive care unit colleagues, should abolish our reliance on pharmacological prophylaxis, the routine prescription of which is not supported by the evidence.
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Anaesth Intensive Care · Mar 2012
Clinical TrialAn observational study exploring amplitude-integrated electroencephalogram and spectral edge frequency during paediatric anaesthesia.
Processed electroencephalography is used in adults to guide anaesthesia, but the algorithms used may not apply to infants. Knowledge of infants' electroencephalogram (EEG) responses to anaesthetics is fragmentary. An earlier pilot study suggested amplitude-integrated EEG (aEEG) may be a useful measure of anaesthetic effect. ⋯ These findings suggest that SEF90 and aEEG can discriminate between awake and anaesthetised states in older children. In younger children aEEG changes are less pronounced and SEF90 either cannot discriminate between states or responds paradoxically. The aEEG may be marginally better than other EEG parameters in measuring anaesthetic depth in children.
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Anaesth Intensive Care · Mar 2012
The influence of unrestricted use of sugammadex on clinical anaesthetic practice in a tertiary teaching hospital.
This retrospective audit identified an association between the introduction of unrestricted access to sugammadex and a fall in 'anaesthetic theatre time'. Mean hospital stay was also observed to be 0.8 days shorter after introduction of sugammadex, but was not statistically significant after adjusting for confounders.
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We undertook a systematic review to determine the optimal dose of oxytocin after elective caesarean section or caesarean section in labouring women. We identified seven trials. These trials raise questions about the use of high dose (10 international units; IU) or moderate dose (5 IU) oxytocin in both settings and provide evidence that lower doses are equally effective but associated with significantly fewer side-effects. ⋯ For the labouring parturient a slow 3 IU bolus of oxytocin, followed by an infusion of 5 to 10 IU.h(-1) for four hours is supported by limited evidence. These doses represent a starting point in the control of postpartum haemorrhage after caesarean section and do not reduce the need for mandatory active observation of the clinical situation, to detect situations that require additional doses of oxytocin or other uterotonic drugs. These doses of oxytocin minimise the risk of adverse haemodynamic changes as well as the unpleasant side-effect of nausea.