Normally, there is a little bit of clear liquid in the pleural cavity (space between the lungs and chest wall). This makes sure that the lungs do not stick to the wall.
Chylothorax is a rare condition when there is too much liquid in the cavity. This can be fatal, as the lungs cannot expand fully.
There are two possible scenarios:
Both scenarios are emergencies, leading to respiratory failure and death.
More than half of chylothorax cases are idiopathic (the cause is unknown).
Some possible causes include:
Typical signs include:
Other possible signs include:
If your cat has any trouble breathing, go to the veterinarian immediately.
In order to diagnose your cat with chylothorax, your veterinarian may perform the following:
Additional tests to determine the underlying cause may include:
Most veterinarians will recommend the following treatments for cats with chylothorax:
In many cats, the underlying cause of chylothorax is never determined, and therefore, cannot be prevented.
Chylothorax can occur as a symptom of heart failure caused by heartworm disease. Discuss heartworm prevention with your veterinarian.
There is a good prognosis with treatment to stabilize breathing and for any underlying conditions.
Since the excess liquid irritates the heart and lungs, scar tissue may form. It will press on the lungs, causing breathing difficulty and long-term damage. Therefore, you must go to the veterinarian as soon as you notice signs.
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