Can J Emerg Med
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Humidification is a time-honoured therapy for childhood croup (acute laryngotracheobronchitis). Despite a paucity of evidence supporting its use, many physicians, nurses and parents still apply this treatment. Our objective was to summarize available evidence and assess the rationale for the ongoing use of humidity to treat childhood croup. ⋯ There is no strong evidence supporting the use of humidity in the treatment of croup. Although such treatment is still widely used, it is not without risk, and further trials are required to address its efficacy.
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This paper outlines some of the ethical and practical dilemmas of securing true informed consent in resuscitation research in the prehospital or emergency department setting. Possible substitutes to such consent are discussed and evaluated. The Canadian Tri-Council Policy Statement guidelines for emergency medicine research are compared to the US Food and Drug Administration rules, and the former are assessed and critiqued. Modifications to the current Tri-Council guidelines are suggested.