Tracheal disorders

TRACHEAL DISORDERS

Trachea

  • Non collapsible cylinderical structure
  • 35 incomplete cartilage rings
  • Cervical and thoracic trachea
  • Thoracic affected by pleural pressures

Trecheitis

  • Etio - Viral, bact., parasitic, irritative
    • Adeno, herpes, perainfluenza, CD. Virus
    • Sec. bac. coli. strep, pseudo, bordetella
  • Parasitic: Aelurostronglus, Capillaria,
  • Crenosome, Oslerus D.
    • Inhalation of irritative gases, smoke, etc.
  • Signs - Gagging cough, earlier non-product.
    • Affects younger < 1 yr dogs
    • Anorexia, fever, depression, cough on palp. harsh sound on auscult.
  • Leucocytosis
  • Dx - MDB, CBC, culture, cytology (T.W)
  • Rx - On cause, cough suppresents, AB; I/T.
  • Bronchodilators, vapor humidification
  • Levamisole, Benzimidazoles.

Collapsed Trachea

  • Etio - Congenital, trauma, DV compression
    • Toy or minature breeds, chi, Yorke
  • Signs - Honking cough, cyanosis, dyspnea
  • Dx - BP, signs, MDB, x-ray, fluroscopy
  • Rx - Symptomatic, reduce wt. cough suppresent

Tracheal Neoplasia

  • Etiopath - Uncommon, osteosarc, carci.,
    • Chondroma, osteochond.
  • Signs - Cough, gagging, dyspnea, cyanosis
  • Dx - MDB, T. wash, cytology, endoscopy
  • Rx - Surgery, Chemotherapy
Last modified: Tuesday, 5 June 2012, 12:15 PM