摘要: Methods: Cohorts of unconscious adult ED and elective surgical patients were recruited. The posterior pharyngeal wall pH was measured immediately before after intubation. Pharyngeal used to indicate risk aspiration, change assess the efficacy cricoid pressure. Results: Eight 48 control In cohort, ranged from 6.0 8.0 intubation 4.7 intubation: a mean decrease 0.3 (95% CI 1.5 0.9 increase). cohort 5.8 increase 0.4 0.1 0.6 Conclusions: This is simple, cheap, repeatable technique for assessing aspiration in emergency intubations. A larger study required
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