Aerosolized surfactant therapy for endotoxin-induced experimental acute respiratory distress syndrome in rats.

Abstract:

:We have compared the effects of inhalation of aerosolized surfactant on experimental acute respiratory distress syndrome. Escherichia coli endotoxin (55 (SD 20) mg kg(-1)) was injected into the tracheas of 36 adult rats anaesthetized and mechanically ventilated with pure oxygen. When the Pa(O(2)) decreased to 11.3 (3.3) kPa, the animals were randomly subjected to inhalation of aerosolized modified natural surfactant (MNS) for 0 min (control group), 30, 60, and 120 min. In the control group, Pa(O(2)) remained below 12 kPa for 180 min. In the groups receiving inhalation of surfactant for 30 and 60 min, Pa(O(2)) increased but decreased soon after termination of the inhalation. In contrast, Pa(O(2)) of the group receiving inhalation of surfactant for 120 min continued to increase, reaching 52.1 (12.5) kPa at 180 min (P<0.05 vs control). Thus, we conclude that improvement in gas exchange as a result of inhalation of MNS depends on the duration of inhalation.

journal_name

Br J Anaesth

authors

Tashiro K,Yamada K,Konzaki T,Yamamoto K,Ohmura S,Kobayashi T,Suzuki Y

doi

10.1093/bja/87.2.266

subject

Has Abstract

pub_date

2001-08-01 00:00:00

pages

266-71

issue

2

eissn

0007-0912

issn

1471-6771

pii

S0007-0912(17)37633-X

journal_volume

87

pub_type

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