Study finds a symptomatic case of partial anomalous pulmonary venous connection

Partial anomalous pulmonary venous connection (PAPVC) is a rare congenital cardiovascular abnormality that affects more dogs than cats.

A 3‐month‐old American Shorthair that had tachypnea and syncope, she was referred to the Veterinary Medical Teaching Hospital of the National Chung‐Hsing University for a cardiac examination. On thoracic radiographs showed a bronchial and interstitial pattern with mild generalized cardiomegaly, and echocardiography revealed tubular structures. On computed tomography angiography, the right cranial, right caudal, and left caudal pulmonary veins drained into the coronary sinus and flowed into the right atrium. All these findings suggested a diagnosis of PAPVC.

The recommended treatment for this condition was to perform surgery to reconstruct the pulmonary veins by cardiopulmonary bypass. But this was not the best option for this kitten due to her small size. The kitten was given furosemide, pimobendan, benazepril, and spironolactone for management of heart failure. Unfortunately, two months later, the cat died, and the owners declined to do the necropsy. 

This report shows a symptomatic case of a partial anomalouSymptomatic partial anomalous pulmonary venous connection in a kitten with a grave prognosis due to heart failure.

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Symptomatic partial anomalous pulmonary venous connection in a kitten