A 24-hr exposure to therapeutic hypercapnia in endotoxin-stimulated, spontaneously breathing rats is associated with a proinflammatory immune response in the lung and anti-inflammatory response in the spleen as well as an increase in certain histologic indices of endotoxin-induced lung injury.

Elevated cTnI concentrations were observed in 50% of patients treated with intravenous terbutaline for status asthmaticus. Clinically significant cardiotoxicity was not observed except in 1 patient in whom the abnormal ECG findings normalized upon discontinuation of terbutaline. There was no statistically significant difference in asthma severity or in the risk factors for severe asthma in children with and without elevation of cTnI concentrations.

Prognostic/epidemiological study, level III.

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