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Ann Emerg Med. 2007 Dec;50(6):653-65. Epub 2007 Aug 3.

Cricoid pressure in emergency department rapid sequence tracheal intubations: a risk-benefit analysis.

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Department of Emergency Medicine, The Townsville Hospital, Douglas, Queensland, Australia.


Cricoid pressure is considered an integral part of patient safety in rapid sequence tracheal intubation and emergency airway management. Cricoid pressure is applied to prevent the regurgitation of gastric contents into the pharynx and subsequent aspiration into the pulmonary tree. This review analyzes the published evidence supporting cricoid pressure, along with potential problems, including increased difficulty with tracheal intubation and ventilation. According to the evidence available, the universal and continuous application of cricoid pressure during emergency airway management is questioned. An awareness of the benefits and potential problems with technique allows the practitioner to better judge when cricoid pressure should be used and instances in which it should be removed.

[Indexed for MEDLINE]

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