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Patent ductus arteriosus associated with pulmonary hypertension and desaturation

Anant Khositseth1, Suthep Wanitkun

  • 1Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand. khositseth@gmail.com

Cardiology Journal
|October 9, 2012
PubMed

Insights

Patent ductus arteriosus (PDA) in children can cause pulmonary arterial hypertension (PAH) and desaturation. Device closure of PDA improved symptoms in some cases, while others showed spontaneous recovery or device complications.

Area of Science:

  • Pediatric Cardiology
  • Congenital Heart Disease
  • Pulmonary Hypertension

Background:

  • Patent ductus arteriosus (PDA) is a common congenital heart defect.
  • Pulmonary arterial hypertension (PAH) and desaturation are serious complications that can arise from PDA.
  • Atrial septal defects (ASD) and Down syndrome are associated conditions that can influence PDA presentation.

Observation:

  • Three pediatric cases with PDA, PAH, and desaturation are presented.
  • One patient with coexisting ASD showed improvement in all conditions post-PDA device closure.
  • Two patients with Down syndrome exhibited varying degrees of desaturation, one responding to supplemental oxygen and PDA closure, the other experiencing spontaneous recovery with a device complication.

Findings:

  • Successful device closure of PDA led to significant improvement in PAH and desaturation in two patients.
  • One patient with Down syndrome experienced spontaneous resolution of desaturation with age, despite an attempted PDA closure complicated by device embolization.
  • The interplay between PDA, ASD, Down syndrome, and pulmonary hemodynamics is complex.

Implications:

  • Early diagnosis and intervention for PDA are crucial in managing associated complications like PAH and desaturation.
  • Device closure of PDA can be an effective treatment, but patient-specific factors, including comorbidities, influence outcomes.
  • Further research is needed to understand the long-term implications of PDA in children with Down syndrome and the management of device-related complications.

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