Pediatric Cardiology

, Volume 34, Issue 4, pp 817–825 | Cite as

Nitric Oxide-Associated Pulmonary Edema in Children With Pulmonary Venous Hypertension

  • J. Scott Baird
  • Vinod Havalad
  • Linda Aponte-Patel
  • Thyyar M. Ravindranath
  • Tessie W. October
  • Thomas J. Starc
  • Arthur J. Smerling
Original Article

Abstract

Nitric oxide (NO)-associated pulmonary edema is rarely reported in children; in adults, it is often associated with left-sided heart failure. We report a case series of children with NO-associated pulmonary edema, which was defined as new multilobar alveolar infiltrates and worsening hypoxemia within 24 h of initiation or escalation of NO and radiologic or clinical improvement after NO discontinuation. We identified six patients (0.4–4 years old) with ten episodes of NO-associated pulmonary edema. Diagnoses included atrioventricular canal defect with mitral valve disease (n = 2), pulmonary atresia and major aorta-pulmonary collateral arteries (n = 2), total anomalous pulmonary venous return (n = 1), and pulmonary veno-occlusive disease (n = 1). All patients had evidence of pulmonary venous hypertension, and two had mitral valve disease resulting in clinical evidence of left-sided heart failure. Pulmonary edema improved or resolved within 24 h of discontinuing NO. At cardiac catheterization, mean left atrial pressure was <15 mmHg in three of three patients (none with mitral valve disease), whereas pulmonary artery occlusion pressure was >15 mmHg in two of five patients. In conclusion, we describe six young children with NO-associated pulmonary edema and pulmonary venous hypertension. Only two of these children had left-sided heart failure: Left atrial pressure as well as pulmonary artery occlusion pressure may not be helpful in identifying children at risk for NO-associated pulmonary edema.

Keywords

Pulmonary edema Pulmonary hypertension Pediatric Nitric oxide Congenital heart disease Pulmonary veno-occlusive disease 

Abbreviations

APVR

Anomalous pulmonary venous return

AVC

Atrioventricular canal

CT

computed tomography

MAPCA

Major aorto-pulmonary collateral artery

MRI

Magnetic resonance imaging

NO

Nitric oxide

PAP

Pulmonary artery pressure

PICU

Pediatric intensive care unit

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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • J. Scott Baird
    • 1
  • Vinod Havalad
    • 1
  • Linda Aponte-Patel
    • 1
  • Thyyar M. Ravindranath
    • 1
  • Tessie W. October
    • 1
  • Thomas J. Starc
    • 1
  • Arthur J. Smerling
    • 1
  1. 1.College of Physicians and SurgeonsChildren’s Hospital of New York-Presbyterian, Columbia UniversityNew YorkUSA

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