We observed that the modes of deaths in southern Brazilian PICUs changed over the last 13 yrs, with an increment in L-LST. However, this change was not uniform among the studied PICUs and did not reach the levels described in countries of the Northern Hemisphere. Family participation in the L-LST decision-making process has increased over time, but it is still far behind what is observed in other parts of the world.
There is insufficient evidence to determine whether inhaled nitric oxide is beneficial or harmful for acute hypoxemic respiratory failure in children and adults. While awaiting further studies to prove its benefit, inhaled nitric oxide should not either be recommended as a standard management or excluded for the treatment of acute hypoxemic respiratory failure.
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