B-Type Natriuretic Peptide and Rebound during Treatment for Persistent Pulmonary Hypertension - 08/12/11
, Manon J.N.L. Benders, MD, PhD 1, Hans Kemperman, PhD 2, Frank van Bel, MD, PhD 1, Willem B. de Vries, MD, PhD 1
Reprint requests: Daniel C. Vijlbrief, MD, University Medical Center Utrecht/Wilhelmina Children’s Hospital, Room KE.04.123.1, PO box 85090, 3508 AB Utrecht, The Netherlands.Abstract |
Objective |
To investigate whether serum B-type natriuretic peptide (BNP) is a useful biomarker in evaluating the course of persistent pulmonary hypertension of the newborn (PPHN) and the effectiveness of treatment.
Study design |
Prospective follow-up study of infants with clinical and echocardiographic signs of PPHN, who were treated with inhaled nitric oxide (iNO). Of 24 patients with PPHN who were treated, serum BNP levels were determined longitudinally in 21. BNP levels were compared between infants with (n = 6) and without rebound PPHN (n = 15).
Results |
BNP levels in all infants with PPHN were not significantly different at the initial start of iNO. BNP levels decreased in both groups during iNO treatment. In the infants in whom rebound PPHN developed after weaning from iNO, a significantly higher increase was found in BNP (283 pmol/L to 1232 pmol/L) compared with that in infants without rebound (98 pmol/L to 159 pmol/L). This occurred before the onset of clinical deterioration. BNP again decreased significantly after iNO treatment was restarted.
Conclusions |
BNP, a biomarker of cardiac ventricular strain, proved to be useful in evaluating the efficacy of PPHN treatment, and moreover, BNP helps to predict a rebound of PPHN.
Le texte complet de cet article est disponible en PDF.Mots-clés : AaDO2, BNP, CHD, FiO2, iNO, NICU, OI, PH, PPHN, TR
Plan
| The authors declare no conflicts of interest. |
Vol 160 - N° 1
P. 111 - janvier 2012 Retour au numéro
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