title: The hyponatremic hypertensive syndrome in a preterm infant: a case of severe hyponatremia with neurological sequels.
abstract: Objective. To report the irreversible severe neurological symptoms following the hyponatremic hypertensive syndrome (HHS) in an infant after umbilical arterial catheterization. Design. Case report with review of the literature. Setting. Neonatal intensive care unit at a tertiary care children's hospital. Patient. A three-week-old preterm infant. Conclusions. In evaluating a neonate with hyponatremia and hypertension, HHS should be considered, especially in case of umbilical arterial catheterization. In case of diagnostic delay, there is a risk of severe irreversible neurological damage.
authors.affiliation: Department of Neonatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, P.O. Box 85090, 3508 AB Utrecht, The Netherlands.
authors.forename: Vera
authors.initials: V
authors.lastname: van Tellingen
authors.forename: Marc
authors.initials: M
authors.lastname: Lilien
authors.forename: Jos
authors.initials: J
authors.lastname: Bruinenberg
authors.forename: Willem B
authors.initials: WB
authors.lastname: de Vries