Peer-reviewed veterinary case report
Bidirectional blood flow in heart defect of puppy with valve problems
By Hokanson, C M et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2019·Department of Clinical Sciences, United States·View original on PubMed →
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Original publication title: Bidirectional flow across a perforate cor triatriatum dexter in a dog with concurrent pulmonary, tricuspid, and mitral valve dysplasia.
- Species:
- dog
Plain-English summary
A 10-week-old male mixed breed puppy was brought in because he was showing signs of right-sided congestive heart failure, which can include difficulty breathing and lethargy. An ultrasound of his heart revealed a rare condition called cor triatriatum dexter (CTD), where the heart has an extra membrane, along with other heart issues like narrowed pulmonary valves and problems with the tricuspid and mitral valves. Instead of the usual one-way blood flow, the puppy had a unique situation where blood was flowing in both directions across the membrane due to the pressure changes from his other heart defects. Treatment options would depend on the severity of his symptoms and the veterinarian's recommendations.
People also search for: puppy congestive heart failure symptoms · cor triatriatum dexter in dogs · mixed breed puppy heart problems
Abstract
A 10-week-old male intact mixed breed dog presented for evaluation of suspected right-sided congestive heart failure. Echocardiographic imaging revealed a perforate cor triatriatum dexter (CTD), along with pulmonary valve stenosis and tricuspid and mitral valve dysplasia. In typical CTD cases, there is unidirectional blood flow across the dividing membrane, from the caudal into the cranial right atrial chambers. Owing to right-sided pressure alterations caused by the concurrent valvar defects, color Doppler imaging demonstrated bidirectional flow across the CTD membrane.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/30797449/