Why the study?
Does normal tidal breathing for 2-4 minutes improve the acceptable period of apnoea compared to four deep breaths or 1 minute of normal tidal breathing in elderly patients undergoing rapid sequence intubation?
Population
100 patients aged over 65 years undergoing modified rapid intubation sequence (20 patients per group)
Comparison
Pre-oxygenation using normal tidal breathing for… vs Pre-oxygenation using four deep breaths or…
Design
Other
Follow-up
Until oxygen saturation desaturates to 93%
Authors
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May support ≥2 min pre-oxygenation before elderly RSI to extend apnoea tolerance; hypothesis-generating and requires randomized confirmation.
Does normal tidal breathing for 2-4 minutes improve the acceptable period of apnoea compared to four deep breaths or 1 minute of normal tidal breathing in elderly patients undergoing rapid sequence intubation?
A pre-oxygenation period of at least 2 minutes should be employed in elderly patients before rapid sequence induction to significantly prolong the acceptable period of apnoea.
McCarthy et al. (1991) studied this question.
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