Histopathological changes in distal tracheal mucosa in beagle puppies

Nina Yoshpe, Linda Brodsky, Robert J. Ruben

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Direct effects of the tracheotomy tube and cuff on glottic, subglottic and tracheal mucosa have been well described. Little work has been done on the effects of tracheotomy on the distal tracheobronchial tree. Ten beagle puppies underwent tracheotomy and were sacrificed at 18, 24, 36, 48 and 72 h. The trachea was studied for changes in cilia, epithelium, submucosal reaction and mucous production at the level of the tracheostome, tracheotomy tube tip, carina and right mainstem bronchus. Severe changes of epithelial erosion and ulceration with submucosal inflammatory reaction were noted as early as 18 h and persisted through 24 h. Some resolution of inflammation and progression to squamous metaplasia were seen at 36, 48 and 72 h. Changes in mucous gland activity varied widely. The traumatic effects of tracheotomy on normal tracheal anatomy and physiology and their clinical implications are discussed.

Original languageEnglish (US)
Pages (from-to)47-60
Number of pages14
JournalInternational Journal of Pediatric Otorhinolaryngology
Volume11
Issue number1
DOIs
StatePublished - 1986

Fingerprint

Tracheotomy
Mucous Membrane
Cilia
Metaplasia
Bronchi
Trachea
Tongue
Anatomy
Epithelium
Inflammation

Keywords

  • tracheal injury
  • tracheotomy

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Pediatrics, Perinatology, and Child Health
  • Pulmonary and Respiratory Medicine
  • Surgery

Cite this

Histopathological changes in distal tracheal mucosa in beagle puppies. / Yoshpe, Nina; Brodsky, Linda; Ruben, Robert J.

In: International Journal of Pediatric Otorhinolaryngology, Vol. 11, No. 1, 1986, p. 47-60.

Research output: Contribution to journalArticle

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