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VOLUME 19 , ISSUE 9 ( 2015 ) > List of Articles

RESEARCH ARTICLE

Calcium homeostasis disorder during and after neonatal extracorporeal membrane oxygenation

Jerome Rambaud, Isabelle Guellec, Julia Guilbert, Sylvain Renolleau

Keywords : Calcium, extracorporeal membrane oxygenation, neonates, parathyroid, phosphorus

Citation Information : Rambaud J, Guellec I, Guilbert J, Renolleau S. Calcium homeostasis disorder during and after neonatal extracorporeal membrane oxygenation. Indian J Crit Care Med 2015; 19 (9):513-517.

DOI: 10.4103/0972-5229.164797

License: CC BY-ND 3.0

Published Online: 01-08-2016

Copyright Statement:  Copyright © 2015; The Author(s).


Abstract

Background and Aims: Extracorporeal membrane oxygenation (ECMO) is used during pediatric resuscitation in case of refractory hypoxemia or septic shock under maximum therapy. Previous studies describe calcium homeostasis dysregulation. The aim of this study was to confirmed of calcium homeostasis dysregulation in neonates under ECMO and supposed news explanation. Subjects and Methods: From November 2012 to July 2013, we performed a prospective single center observational study. Eleven neonatal patients were included. Blood was obtained before and during ECMO (day 7, 14 and 21) for parathyroid hormone (PTH), protein adjusted serum calcium, ionized calcium, magnesium, and calcitriol levels. All surviving patients underwent a consultation up to 6 months after ECMO weaning. Results: During ECMO PTH was inadequately high with normal serum calcium on day 7 (PTH: 73.54 ± 40 ng/l; calcemia: 2.33 ± 0.21 mmol/l), day 14 (PTH: 57.63 ± 29.57 ng/l; calcemia: 2.44 ± 0.43 mmol/l) and day 21 (PTH: 54.93 ± 8.43 ng/l; calcemia: 2.13 ± 0.09 mmol/l). The absence of correlation between serum calcium and PTH levels seem to confirm the dysregulation of PTH - serum calcium metabolism during ECMO. Six months after ECMO weaning, we noticed hypercalcemia with normal PTH. Conclusions: We confirmed the existence of severe disturbances of calcium homeostasis in neonates on ECMO and supposed the possible damage of calcium regulation. We did not succeed in finding clear explanations of these disturbances.

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