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Peer-reviewed veterinary case report

Young small dog survives 11 years after mitral valve surgery

By Isamu Kanemoto et al.·Published in Open Veterinary Journal·2024·1-1-5 Shinnishi, Chikusa, Nagoya, Aichi, 464-0003 Japan, LY·View original on DOAJ

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Original publication title: Prolonged survival with mitral valve plasty for acute mitral regurgitation due to mitral valve dysplasia and chordal rupture in a young small dog: A case report

Species:
dog

Plain-English summary

A 5-month-old female Jack Russell was brought in for breathing problems and fainting during excitement. She was diagnosed with severe heart issues due to a congenital problem with her mitral valve, which was causing fluid buildup in her lungs. After unsuccessful treatment with medications, the veterinarian performed surgery to replace the damaged parts of her heart valve. Remarkably, the dog recovered well and lived for over 11 years without any further heart issues, passing away from a different health problem.

People also search for: Jack Russell breathing problems · dog mitral valve surgery · heart failure treatment in dogs

Abstract

Background: We aimed to report the second case of mitral valve plasty (MVP) for acute mitral regurgitation (MR) due to mitral valve dysplasia in a young small dog. Case Description: A 5-month-old female Jack Russell, weighing 3.5 kg, presented with dyspnea and collapse upon excitation. Acute MR with pulmonary edema due to chordal rupture was diagnosed with a suspected congenital mitral valve anomaly. Despite treatment with high-dose drugs, heart failure symptoms and enlargement worsened. An artificial chordal replacement (ACR) was inserted using polytetrafluoroethylene sutures, and annuloplasty was performed. The dog was discharged on postoperative day 7. After 7 years, the dog underwent operations for complete anterior cruciate ligament tears with no cardiac signs. After 11.5 years, the dog showed no cardiac issues and died from a non-cardiac disease. Conclusion: The MVP method with ACR employed demonstrated better durability and promoted longer survival than that of previous dog mitral valve replacements. [Open Vet J 2024; 14(6.000): 1497-1502]

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Original publication on DOAJ: https://doi.org/10.5455/OVJ.2024.v14.i6.19