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[Inhaled nitric oxide: one modality in the treatment of ARDS].

We describe a patient with acute respiratory distress syndrome (ARDS), refractory to treatment with conventional mechanical ventilation. The hemodynamic parameters showed severe pulmonary hypertension with increased intrapulmonary shunt. Inhaled nitric oxide was administered and we observed a diminishing in pulmonary hypertension and intrapulmonary shunt with an important increase of oxygen exchange. We reviewed the literature and make a suggestion concerning use of inhaled nitric oxide in patients with ARDS.