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Hole in the Trachea in Cats

Diagnosis

 

Your veterinarian will perform a thorough physical exam on your pet, taking into account the background history of symptoms and possible incidents that might have led to this condition. A complete blood profile will be conducted, including a chemical blood profile, a complete blood count, a urinalysis and an electrolyte panel. An arterial blood gas analysis may also be done to check oxygenation of blood. A pulse oximetry measurement may show less than normal (or even low) oxygen saturation.

 

Side view X-rays of the neck and chest are essential for diagnosis. Air pockets under the skin, air collection in the mediastinum, free air in the chest cavity, and potentially air in the sac around the heart will be seen with tracheal perforation. In cases of tracheal avulsion, the site of disruption may be visible. Abdominal X-rays may show a pneumoretroperitoneum -- air that has escaped into the space behind the lining of the stomach (peritoneum). 

 

An examination of the interior walls of the trachea can be done by tracheoscopy to confirm the diagnosis of tracheal perforation and to estimate its severity. False-negative examinations can sometimes occur.

 

Treatment

 

  • Cats with a tracheal perforation should be hospitalized for oxygen therapy 
  • It should be kept in a low-stress environment with as little stimuli as is possible 
  • In cases of iatrogenic perforation, healing is spontaneous as long as medical and supportive therapy are provided
  • If pneumothorax develops, thoracocentesis and even thoracostomy tubes may be indicated
  • Surgery is indicated if the patient does not stabilize or decompensates (the heart is unable to maintain adequate blood circulation), or if the tracheal rupture is secondary to a blunt trauma or penetrating wound
  • Tracheal cutting and rejoining to another uninjured part of the trachea is indicated in cases of severe tracheal damage or tracheal avulsion

 

Living and Management

 

Your veterinarian will schedule follow-up appointments to monitor healing of the surgical incisions if surgery was indicated.  Cats that suffer from an avulsed trachea (one that has been torn away) and do not receive surgery may suffer sudden death. In fact, even with surgery, an animal with a repaired avulsed trachea have a guarded prognosis.

 

Call your veterinarian immediately if signs of redness, oozing or swelling are noted at the surgical incision site. The veterinarian should also be called immediately, on an emergency basis, if your cat begins to have difficulty breathing.

 

 

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