Administration of aerosolized terbutaline and budesonide reduces chlorine gas-induced acute lung injury

Wang, Jianpu (author): Linköpings universitet,Östergötlands Läns Landsting,Katastrofmedicinskt centrum,Hälsouniversitetet

Zheng, Limin (author): Linköpings universitet,Östergötlands Läns Landsting,Katastrofmedicinskt centrum,Hälsouniversitetet

Walther, Sten (author): Linköpings universitet,Östergötlands Läns Landsting,Katastrofmedicinskt centrum,Hälsouniversitetet

(creator_code:org_t)

Related links:: https://urn.kb.se/re...; show more...; https://doi.org/10.1...; show less...

Abstract Subject headings

Background: The pathophysiology and treatment of chlorine gas-induced acute lung injury is poorly characterized and based on anecdotal data. This study aimed to assess the effects of aerosolized beta-2 adrenergic agonist and corticosteroid therapy on chlorine gas-induced lung injury.Methods: Anesthetized, ventilated pigs were exposed to chlorine gas (400 parts per million for 20 minutes), then assigned randomly 30 minutes later to receive aerosolized terbutaline, budesonide, terbutaline followed by budesonide or placebo (6 pigs in each group). Hemodynamics, gas exchange, and lung mechanics were evaluated for another 5 hours.Results: All the animals demonstrated an immediate increase in airway and pulmonary artery pressure as well as sharp drops in arterial oxygen tension (PaO2) and lung compliance (C L). Recovery of PaO2 and CL was greatest in the terbutaline plus budesonide group, but therapy with terbutaline and budesonide alone also was associated with significant improvement in PaO2 and CL, as compared with placebo.Conclusions. Treatment of acute chlorine gas lung injury with aerosolized terbutaline followed by aerosolized budesonide improved lung function. Combined treatment was more effective than treatment with either drug alone.

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