1 Newborn Section, Department of Pediatrics, Baylor College of Medicine, and the Neonatal Intensive Care Unit, Texas Children's Hospital, Houston
Gastric hypersecretion following administration of tolazoline resulted in severe hypochloremic alkalosis in an infant with persistent fetal circulation. An initial bolus injection of 2 mg/kg was followed by an infusion of 5 mg/kg/hr for 24 hours. The infusion was then maintained at 2 mg/kg/hr for the next four days. Volume of gastric secretions exceeded 25 ml/kg/24 hr. Weaning from tolazoline and replacement of chloride and potassium corrected the metabolic alkalosis.
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