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Use of inhaled nitric oxide in the new born period: results from the European inhaled nitric oxide registry

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Abstract Aims: 

The aim of this study was to present data relating to the use of inhaled nitric oxide (iNO) in newborn infants included in the European Inhaled Nitric Oxide Registry. Methods: 

Demographic, clinical and therapeutic data from seven European centres are reported. Univariate analyses were performed to identify factors associated with acute response to iNO and survival without extra corporeal membrane oxygenation (ECMO). Results: 

A total of 112 newborn infants received iNO, with 40% being less than 34 weeks gestational age. The commonest indication for iNO was secondary pulmonary hypertension. Acute response to iNO was more common in infants with a higher oxygenation index (median OI 32.7 vs 22.6, p = 0.040), although acute response did not predict survival without ECMO. Infants who survived without ECMO had a lower OI prior to therapy (median OI 24 vs 43, p = 0.009), were commenced on a higher starting dose (median dose 20 ppm vs 10 ppm p = 0.013) and received a lower maintenance dose (median dose 10 vs 17 ppm, p = 0.027) than those who died or received ECMO. Conclusion: 

Collating and reporting data about iNO therapy in neonates across a number of European centres using a web-based system is feasible. These data may be used to monitor the clinical use of iNO, identify adverse effects, generate research hypotheses and promote high standards in the clinical use of iNO.

Keywords: Nitric Oxide; Persistent Pulmonary Hypertension of the Newborn; Registry

Document Type: Research Article


Affiliations: 1: .Liverpool Women’s Hospital, Liverpool, UK 2: .Queen Silvia Children’s Hospital, Gothenburg, Sweden 3: .Karolinska University Hospital, Stockholm, Sweden

Publication date: June 1, 2010


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