Peer-reviewed veterinary case report
Doberman puppy with lung blood vessel and heart defects
By Mampaey, G et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2023·Department of Small Animals·View original on PubMed →
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Original publication title: Pulmonary arteriovenous malformation and a concurrent patent ductus arteriosus in a Doberman.
- Species:
- dog
Plain-English summary
A 7-week-old male Doberman was brought in with rapid breathing and a serious heart murmur. X-rays showed his heart was enlarged and he had signs of heart failure. Tests revealed he had two heart issues: a patent ductus arteriosus (PDA), which is an abnormal connection between two blood vessels, and a rare pulmonary arteriovenous malformation (PAVM). The vet successfully closed the PDA using a special device, and four months later, follow-up tests showed his heart was back to normal, with no signs of the PAVM or heart failure.
People also search for: Doberman puppy breathing problems · patent ductus arteriosus treatment · congenital heart defects in dogs
Abstract
A 7-week-old male Doberman presented with tachypnea, dyspnea and a VI/VI, left cranial, continuous heart murmur. Thoracic radiographs revealed severe left-sided cardiomegaly, presence of a rounded soft tissue opacity in the caudodorsal aspect of the thoracic cavity and signs of left-sided congestive heart failure. Clinical signs of heart failure were medically controlled. Echocardiography and computed tomography demonstrated a left-to-right shunting patent ductus arteriosus (PDA) in combination with a right-to-left shunting pulmonary arteriovenous malformation (PAVM) between the right main pulmonary artery and the right caudal pulmonary vein. Arterial blood gasses revealed mild hypoxemia. Transcatheter occlusion of the PDA using an Amplatz Canine Duct Occluder was performed. Four months post-operatively, echocardiography showed normal cardiac size and function with complete PDA closure. Thoracic radiographs revealed absence of the rounded opacity and resolution of cardiomegaly and vascular congestion. The PAVM was no longer visualized on repeated computed tomography and the arterial blood gasses were within normal limits. A PAVM connecting a pulmonary artery to a pulmonary vein has only rarely been reported in dogs. This report describes the presence of a congenital PAVM in combination with a PDA in a dog, which has not been previously reported in veterinary medicine.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/37801771/