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Lung Lobe Twisting in Cats

Lung Lobe Torsion in Cats

 

In lung lobe torsion, one of the lung's lobes becomes twisted, which results in obstruction of the bronchus and vessels, including the veins and arteries. The obstruction of the blood vessels causes the lung lobe to engorge with blood, which results in necrosis and death of the affected lung tissue. This may lead to many complications, including coughing up blood, tachycardia, or shock.

 

Though lung lobe torsion is rare in cats, it is still a very serious condition, one which will require immediate veterinary attention.

 

Symptoms and Types

 

  • Pain
  • Fever
  • Lethargy
  • Loss of appetite (anorexia)
  • Coughing (sometimes with blood)
  • Difficulty breathing, especially while lying flat (orthopenea)
  • Increased respiration rate
  • Coughing up blood
  • Increased heart rate
  • Pale or bluish mucous membranes (cyanosis)
  • Shock

 

Causes

 

Lung lobe torsion is inconsistently found with pre-existing conditions such as trauma, neoplasia, and chylothorax. However it also occurs spontaneously, due to a thoracic or diaphragmatic surgery, or, on occasion, due to an unknown cause (idiopathic).

 

Diagnosis

 

You will need to give a thorough history of your cat’s health, including the onset and nature of the symptoms, to your veterinarian. He or she will then perform a complete physical examination as well as a biochemistry profile, urinalysis, and complete blood count (CBC). These tests may reveal valuable information for initial diagnosis and may show signs of infection, anemia. It will also reveal the level of immune response of your cat. If the number of white blood cells is abnormally lower than the minimum normal range, the prognosis is very poor.

 

Your cat’s veterinarian may decide to take a small sample of the accumulated fluid for further evaluation, while ultrasound, computed tomography, and radiographic studies often reveal more details about the problem. Loss of normal architecture and blood vessels, along with opacification of the affected lung are usually seen in an X-ray.

 

In some cases, surgery is required for definitive diagnosis and treatment.

 

 

 

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