10. chylothorax

Question 1

what can cause chylothroax

Answer 1

obstruction of lymph flow into the cranial vena cava

• cancer
• heartworm
• thrombosis
• lung lobe torsion
• heart failure
• pericardial disease

Question 2

how to test for chylothorax

Answer 2

tap will have Trigylceride > 100 mg/dL

• higher than serum

Question 3

why does throacic duct ligation not work very well

Answer 3

• 50% in dogs, 25-50% in cats
• throacic duct has a bunch of branches
• hard to visualize
• lymphangectasia