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International Journal of Nephrology
Volume 2011 (2011), Article ID 406515, 4 pages
http://dx.doi.org/10.4061/2011/406515
Case Report

The Hyponatremic Hypertensive Syndrome in a Preterm Infant: A Case of Severe Hyponatremia with Neurological Sequels

1Department of Neonatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, P.O. Box 85090, 3508 AB Utrecht, The Netherlands
2Department of Pediatric Nephrology, Wilhelmina Children's Hospital, University Medical Center Utrecht, P.O. Box 85090, 3508 AB Utrecht, The Netherlands
3Department of Pediatrics, St. Elisabeth Hospital, P.O. Box 90151, 5000 LC Tilburg, The Netherlands

Received 16 February 2011; Accepted 23 June 2011

Academic Editor: Patrick Niaudet

Copyright © 2011 Vera van Tellingen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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.