Peer-reviewed veterinary case report
Surgical repair of tricuspid valve defect in young male Labrador
By Sutherland, Brian J et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2021·Department of Clinical Sciences, United States·View original on PubMed →
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Original publication title: Surgical repair for canine tricuspid valve dysplasia: Technique and case report.
- Species:
- dog
Plain-English summary
A 1.5-year-old male Labrador retriever was diagnosed with severe tricuspid regurgitation (TR), a heart issue caused by a problem with the tricuspid valve. He underwent surgery to repair the valve, which involved techniques to improve its function. Five days after the operation, tests showed significant improvement, and four years later, he remained healthy, without any signs of heart problems and not needing any medications. This case suggests that surgical repair can be a successful long-term solution for dogs with severe tricuspid valve dysplasia.
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Abstract
Tricuspid valve dysplasia (TVD) is a congenital malformation of the right atrioventricular valve characterized by restricted leaflet motion, annular dilation, and tricuspid regurgitation (TR). Severe cases typically exhibit progressive right-sided congestive heart failure, affecting the quality of life and survival. This article describes a technique for surgical repair of TVD and a case report with long-term follow-up. A 1.5-year-old intact male Labrador retriever with severe TR underwent surgical repair for TVD. Valve repair was performed under cardiopulmonary bypass and consisted of neochord mobilization of the valve leaflets and partial band annuloplasty. Transthoracic echocardiogram performed 5 days after surgery showed mild TR, a 93% decrease in anatomic regurgitant orifice area, and decreased right chamber dimensions. Forty-eight months after repair, the patient was free of clinical signs, did not have a heart murmur, and was receiving no cardiac medications. Based on this case, surgical repair of TVD is feasible with long-term durability, and the outcome suggests that the described technique may be a viable treatment option for patients with severe TVD.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/33279771/