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External Stenting for Bronchomalacia Involving the Bronchus Intermedius

Yuchen Cao1, Hidetsugu Asai1, Jin Ikarashi1

  • 1Division of Cardiovascular Surgery, Kanagawa Children's Medical Center, Yokohama, Japan.

The Annals of Thoracic Surgery
|April 23, 2021
PubMed

Insights

External stenting effectively treated bronchomalacia in a young child with absent pulmonary valve syndrome. This approach offers a safe and effective solution for distal airway issues, improving respiratory health.

Area of Science:

  • Pediatric Pulmonology
  • Thoracic Surgery
  • Medical Device Technology

Background:

  • External stenting is established for proximal airway compression (trachea, main bronchi) in children.
  • Limited evidence exists for external stenting in distal airway conditions like bronchomalacia.
  • Absent pulmonary valve syndrome can be associated with complex airway anomalies.

Observation:

  • A 1-year-old girl with absent pulmonary valve syndrome presented with recurrent respiratory infections.
  • Bronchomalacia of the bronchus intermedius was diagnosed as the underlying cause.
  • The patient underwent successful external stenting of the affected airway segment.

Findings:

  • Postoperative resolution of recurrent respiratory infections was observed.
  • The external stenting procedure demonstrated short- and mid-term safety.
  • The intervention proved effective in managing distal bronchomalacia.

Implications:

  • External stenting is a viable treatment option for distal airway malacia, specifically the bronchus intermedius.
  • This case expands the application of external stenting to previously underreported airway segments.
  • Further research into external stenting for pediatric distal airway diseases is warranted.

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