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Updated: Oct 11, 2025

A Novel Inhalation Mask System to Deliver High Concentrations of Nitric Oxide Gas in Spontaneously Breathing Subjects
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Improving respiratory outcomes after pediatric cardiac surgery: New uses for nitric oxide

Jacques H Scharoun1

  • 1Department of Anesthesiology, Weill Cornell Medicine, New York-Presbyterian Hospital, New York, New York, USA.

Journal of Cardiac Surgery
|November 29, 2021
PubMed

Insights

Combining inhaled nitric oxide with high-frequency oscillator ventilation may offer a new treatment strategy for infants with respiratory failure after congenital heart surgery. Further research is needed to confirm its effectiveness.

Area of Science:

  • Pediatric critical care medicine
  • Cardiothoracic surgery
  • Respiratory physiology

Background:

  • Infants undergoing congenital heart surgery often require mechanical ventilation.
  • Conventional ventilation can be insufficient for some infants experiencing respiratory failure.
  • Inhaled nitric oxide and high-frequency oscillator ventilation are known treatments for respiratory distress.

Purpose of the Study:

  • To review the literature on inhaled nitric oxide and high-frequency oscillator ventilation in pediatric cardiac surgery patients.
  • To contextualize a recent study combining these two modalities.
  • To identify potential new treatment strategies for refractory hypoxemia.

Main Methods:

  • A literature search was conducted on PubMed for English-language articles from 1995-2021.
  • Keywords included: nitric oxide, congenital heart disease, oscillator, and respiratory failure.
  • Relevant articles were selected and assessed for impact.

Main Results:

  • Fifteen articles were included in the review.
  • Inhaled nitric oxide can improve outcomes in hypoxic respiratory failure.
  • High-frequency oscillator ventilation has been studied in pediatric ARDS.
  • No prior studies combined both modalities in pediatric cardiac surgery patients.

Conclusions:

  • The combination of inhaled nitric oxide and high-frequency oscillator ventilation presents a novel treatment approach.
  • This strategy appears effective for pediatric patients with hypoxic respiratory failure post-congenital heart surgery.
  • Further clinical studies are recommended to validate these findings.
Abstract

Keywords:
congenital heart diseasenitric oxideoscillator

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