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Updated: May 5, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
Published on: November 4, 2015
Computed tomography features of bronchial and non-bronchial collateral arterial circulation development in a dog
Alexandre Le Roux1, L Abbigail Granger, Caryn Reynolds
1Department of Veterinary Clinical Sciences, Louisiana State University, School of Veterinary Medicine, Baton Rouge, LA 70803, USA.
Abstract:
A 5 year-old female Lhasa Apso was diagnosed with a large right pulmonary artery thrombus, multiple smaller pulmonary thrombi, and pulmonary hypertension. In addition, thoracic computed tomography angiography revealed numerous periesophageal arterial vessels, tortuous and dilated bronchial arteries, and an enlarged tortuous left phrenic artery, consistent with systemic bronchial and non-bronchial collateral arterial circulation development. These features of chronic pulmonary arterial thrombi have not been described in dogs but are recognized in people. One year after the diagnosis, the dog was still alive and there were no clinical signs reported.
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