Umidificazione attiva versus umidificazione passiva nella ventilazione meccanica. Revisione della letteratura

Simone Nykieforuk, Carmine Franchi, Nicola Francesco Aprigliano, Gianlorenzo De Padova, Duilio Luigi Lucarelli, Simona Pontrandolfo

Abstract

Introduzione: l’umidificazione ed il riscaldamento dell’aria inspirata, sono compiti normalmente assolti dal tratto respiratorio superiore. Con l’intubazione endotracheale e la tracheotomia si bypassa il tratto naso-orofaringeo, le regioni del corpo con più alta capacita di riscaldamento ed umidificazione. Vengono inibite le difese naturali quali lo starnutire, il tossire, il deglutire. Il sistema di trasporto muco ciliare resta l’unica difesa meccanica ma l’esposizione a gas freddi e secchi lo rallentano e immobilizzano.

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