Masui. The Japanese journal of anesthesiology · 2014
[Comparison of TaperGuard tube and the Portex Softseal for prevention of vomitus leakage in an in vitro simulation airway model].
Сравнительное исследованиеАннотация на английскомСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Matsunami Sayuri, Komasawa Nobuyasu, Fujiwara Shunsuke, Nakao Kenta, Tatsumi Shinichi, Minami Toshiaki
Аннотация
BACKGROUND: Microaspiration of vomitus can cause a serious condition known as Mendelson's syndrome. The present study used simulated stomach contents and an airway model to compare a tracheal tube with a tapered cuff (Taper) to the conventional high volume low pressure cuff (HVLP) in their abilities to prevent microaspiration.
METHODS: The automated cuff pressure was adjusted to 10, 20, and 30 cmH2O. We poured 5 ml of simulated stomach contents above the cuff in the vertically situated airway model and measured the leakage volume after 5 minutes as well as 4 hours.
RESULTS: After 5 minutes, leakage volume was significantly lower for the Taper than for the HVLP at 10 cmH2O, but not for 20 and 30 cmH2O. After 4 hours, stomach content leakage was significantly less with the Taper than with the HVLP, regardless of cuff pressure (P < 0.05).
CONCLUSIONS: We conclude that the Taper may be more effective than the conventional HVLP in preventing vomitus microaspiration in an airway model simulation.
METHODS: The automated cuff pressure was adjusted to 10, 20, and 30 cmH2O. We poured 5 ml of simulated stomach contents above the cuff in the vertically situated airway model and measured the leakage volume after 5 minutes as well as 4 hours.
RESULTS: After 5 minutes, leakage volume was significantly lower for the Taper than for the HVLP at 10 cmH2O, but not for 20 and 30 cmH2O. After 4 hours, stomach content leakage was significantly less with the Taper than with the HVLP, regardless of cuff pressure (P < 0.05).
CONCLUSIONS: We conclude that the Taper may be more effective than the conventional HVLP in preventing vomitus microaspiration in an airway model simulation.