Thromboarteritis of a patent ductus arteriosus and pulmonary artery in a four‐year‐old cow

Thrombosis of the Pulmonary Artery in a Yearling Thoroughbred Colt

“…Thrombosis of a major artery is an uncommon condition in the horse, but has been reported to occur at various sites including the brachial artery, 3 femoral artery, 4 cranial mesenteric artery 5 and terminal aorta and iliac arteries 4,6 . Thrombus formation in the main pulmonary artery and its major branches is an uncommon problem in veterinary medicine but has been reported in the dog, 7 cat, 8 and cow 9 and has been associated with various underlying cardiac conditions including hypertrophic cardiomyopathy 8 and patent ductus arteriosis 9 as well as noncardiac conditions such as glomerulonephritis 7 . Pulmonary artery thrombosis also is a rare condition in humans and is almost always associated with endocarditis of the pulmonary valve, but vegetations of the pulmonary artery also have been reported 10 .…”

Patent Ductus Arteriosus in Murrah Buffalos

“…5 The most common cardiac abnormalities in bovine are defective ventricular and atrial septa and transposition of the great vessels. 6 In buffalos there are no reports of cardiac anomalies. Most cases reported in bovine describe early onset of clinical signs, often soon after birth, followed by death between the ages of 5 days and 11 months.…”

“…4, 8 There is one report of an adult cow that developed thromboarteritis of a PDA at 4 years of age. 6 Animals with PDA have a good body condition at birth; they may, however, become apathetic soon after and die within a week. 10 Others survive for months with a history of poor growth, signs of right heart insufficiency and tachypnea before dying suddenly.…”