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Early Halt of a Randomized Controlled Study with 3% Hypertonic Saline in Acute Bronchiolitis.

Carsin, Ania; Sauvaget, Emilie; Bresson, Violaine; Retornaz, Karine; Cabrera, Maria; Jouve, Elisabeth; Truillet, Romain; Bosdure, Emmanuelle; Dubus, Jean-Christophe.
Respiration; 94(3): 251-257, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28647745


Albeit not recommended because of contradictory results, nebulized 3% hypertonic saline is widely used for treating acute viral bronchiolitis. Whether clinical differences may be attributed to the type of nebulizer used has never been studied.


By modifying the amount of salt deposited into the airways, the nebulizer characteristics might influence clinical response.


A prospective, randomized, controlled trial included infants hospitalized in a French university hospital for a first episode of bronchiolitis. Each child received 6 nebulizations of 3% hypertonic saline during 48 h delivered with 1 of the 3 following nebulizers: 2 jet nebulizers delivering large or small particles, with a low aerosol output, and 1 mesh nebulizer delivering small particles, with a high aerosol output. The primary endpoint was the difference in the Wang score at 48 h.


Only 61 children of 168 were recruited before stopping this study because of severe adverse events (n = 4) or parental requests for discontinuation due to discomfort to their child during nebulization (n = 2). One minor adverse event was noted in 91.8% (n = 56/61) of children. A high aerosol output induced 75% of the severe adverse events; it was significantly associated with the nebulization-induced cough between 24 and 48 h (p = 0.036). Decreases in Wang scores were not significantly different between the groups at 48 h, 9 recoveries out of 10 being obtained with small particles.


No beneficial effects and possibly severe adverse events are observed with 3% hypertonic saline in the treatment of bronchiolitis.
Selo DaSilva