A patient with pseudohypoaldosteronism type 1 and respiratory distress syndrome

Abstract
We present a patient born at 36 weeks’ gestation with respiratory distress, who required 6 days of mechanical ventilation, without a demonstrable infectious cause. He also developed hyponatremia, hypernatriuria, elevated serum aldosterone levels, and probable pseudohypoaldosteronism type 1 (PHA-1). This appears to be the first reported human case of both respiratory distress and a renal salt wasting process with elevated serum aldosterone. In animal models, abnormalities of subunits of the epithelial sodium channel produce respiratory distress and PHA-1. This patient’s clinical presentation could be due to the same processes.

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