Sudden infant death syndrome and small airway occlusion: Facts and a hypothesis

Research output: Contribution to journalReview article

51 Scopus citations

Abstract

Respiratory failure is almost certainly the cause of death in the majority of cases of sudden infant death syndrome (SIDS), but the mechanisms leading to it have not been elucidated. SIDS shares many environmental and socioeconomic risk factors with severe forms of bronchiolitis, and the age distribution of incident cases is similar. Present knowledge of lung and airway development during infancy, determinants of peripheral airway patency, changes in lung surface activity in infants with SIDS, and fluid film dynamics in small airways are reviewed. It is hypothesized that many cases of SIDS may be due to a final episode of progressive peripheral bronchial occlusion in infants with preceding critically diminished conductance of the smaller airways.

Original languageEnglish (US)
Pages (from-to)190-198
Number of pages9
JournalPediatrics
Volume87
Issue number2
StatePublished - Jan 1 1991

Keywords

  • airway closure apnea
  • bronchial obstruction
  • sudden infant death syndrome

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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