Hypotonic and isotonic intravenous maintenance fluids in hospitalised paediatric patients: a randomised controlled trial.

Objective: To compare the changes in serum sodium and acid/base status in patients receiving hypotonic and isotonic solutions.

Design: A randomised, controlled and double-blind clinical trial.

Setting: Department of Paediatrics in a tertiary general hospital (Hospital Universitario Austral) in Buenos Aires, Argentina.