Why the study?
What is the extent and indication of peri-operative magnesium sulphate use among UK cardiac anaesthetists?
What is the extent and indication of peri-operative magnesium sulphate use among UK cardiac anaesthetists?
A minority (20%) of surveyed UK cardiac anaesthetists routinely use magnesium sulphate outside of cardioplegia, primarily for arrhythmia management and myocardial protection.
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Variable magnesium use outside cardioplegia should not yet alter practice; leaves open efficacy questions for RCTs in cardiac anaesthesia.
We conducted a postal survey of cardiac anaesthetists in the UK, to determine the extent of magnesium sulphate (MgSO4) use and the main indications for its administration. Questionnaires were sent to anaesthetists at 35 UK hospitals undertaking adult cardiac surgery. Responses were received from 24 hospitals (69%) totalling 124 individual responses. Twenty-five (20%) of the anaesthetists responding to the questionnaire routinely gave magnesium other than in cardioplegia. The most common indications for administration were arrhythmia prophylaxis and treatment, myocardial protection, and the treatment of hypomagnesaemia.
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Roscoe et al. (2003) studied this question.
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