Conference Coverage

Hypertonic saline for bronchiolitis found ineffective in large RCT study


 

AT ESPID 2017

– Giving nebulized hypertonic saline (NHS) to infants who present to pediatric emergency departments with a first episode of moderate to severe acute bronchiolitis did not reduce their hospitalization rate in the randomized, multicenter, double-blind GUERANDE trial.

Moreover, mild adverse events – mainly worsening cough – were significantly more frequent in the NHS recipients than in controls given nebulized normal saline, Christele Gras-le Guen, MD, reported at the annual meeting of the European Society for Paediatric Infectious Diseases.

Doctor with baby and nebulizer ©iStock/Thinkstock.com
“The use of hypertonic saline for infants with a first episode of acute bronchiolitis in the pediatric emergency department cannot be recommended,” declared Dr. Gras-le Guen of University Hospital in Nantes, France.

Some previous studies have suggested a modest benefit, but they were underpowered to draw meaningful conclusions. GUERANDE, a 777-patient randomized trial conducted in 24 French pediatric emergency departments, was the first quality study large enough to determine whether the therapy results in fewer hospital admissions, she said.

In GUERANDE, infants with a first episode of acute bronchiolitis were given two 20-minute nebulizations of 3% hypertonic saline or 0.9% normal saline 20 minutes apart.

The primary outcome was the rate of hospital admission within 24 hours after enrollment. The rate was 48% in the NHS group and 52% in controls, a nonsignificant difference which shrunk even more after controlling for age, oxygen saturation, and respiratory syncytial virus infection status.

No serious adverse events occurred in GUERANDE. However, the rate of mild adverse events was 9% in the NHS group, significantly higher than the 4% rate in controls. Notably, cough without respiratory distress occurred 30 times in 26 infants in the NHS group, compared with 4 times in 3 control subjects.

Dr. Gras-le Guin reported having no financial conflicts regarding the GUERANDE study, funded by the French Health Ministry.

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