half-normal saline

half-normal saline

a solution of 0.45% NaCl used for mucosal hydration. As the water in the solution evaporates, the saline concentration increases, achieving nearly normal saline concentration in the respiratory tract.

half-nor·mal sa·line

(haf-nōrmăl sā-lēń)
An intravenous solution containing sodium chloride at about half the concentration found in blood.
References in periodicals archive ?
Normal saline was used most often (80% of cases), followed by half-normal saline (12%), and the median administered volume was 1,000 mL.
Prehydration with intravenous half-normal saline was compared with prehydration with normal saline in a large, randomized trial, and the results favored normal saline for CIN prophylaxis.
With dextrose on board, a switch to half-normal saline is warranted.
Single studies have suggested that isotonic saline is associated with less risk than half-normal saline, and hydration with fluids containing sodium bicarbonate is more efficacious than those containing isotonic saline (SOR: B, single randomized controlled trial [RCT]).