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J Perinatol. 2003 Jun;23(4):300-3.

Low-dose nitric oxide therapy for persistent pulmonary hypertension: 1-year follow-up.

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1
Pediatrix Medical Group, Inc., Sunrise, FL 33323, USA.

Abstract

BACKGROUND:

Although inhaled nitric oxide has been shown to reduce the use of extracorporeal membrane oxygenation, there is limited data on its effect on long-term outcomes.

OBJECTIVE:

The purpose of our study is to report on the 1 year outcome of neonates treated with inhaled nitric oxide compared to a group of neonates who did not receive nitric oxide.

METHODS:

We have previously reported on the in-hospital outcomes of 248 neonates who were >34 weeks' gestational age and were randomized to receive low-dose inhaled nitric oxide or placebo. Extracorporeal membrane oxygenation was used in 78 (64%) neonates in the control group and in 48 (38%) neonates in the inhaled nitric oxide group (p=0.001). We now report on the outcome of neonates followed to 1 year of age.

RESULTS:

Of the 248 neonates twenty-four (10%) died before 1 year of age. There was no difference in mortality between the two groups (11% in the control group and 9% in the inhaled nitric oxide group). Of the 224 surviving infants, we were able to contact the parents or guardians of 201 (90%) children. There were no intergroup differences in the numbers of patients reported as requiring medications for pulmonary disease (14% in the control group and 14% in the inhaled nitric oxide group) or the need for supplemental oxygen (1% in the control group and 0% in the inhaled nitric oxide group). The number of neonates reported to have an abnormal neurological examination or developmental delay was also similar in both groups (14% in the control group and 19% in the inhaled nitric oxide group).

CONCLUSIONS:

The use of low-dose inhaled nitric oxide reduces the use of extracorporeal membrane oxygenation without increasing the incidence of adverse outcomes to 1 year of age.

PMID:
12774137
DOI:
10.1038/sj.jp.7210908
[Indexed for MEDLINE]
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