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Peer-reviewed veterinary case report

Open-heart surgery fixes heart defect in 11-month-old dog

By Lew, L J et al.·Published in Journal of the American Veterinary Medical Association·1998·Department of Veterinary Anesthesiology, Canada·View original on PubMed

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Original publication title: Open-heart correction of tetralogy of Fallot in an acyanotic dog.

Species:
dog

Plain-English summary

An 11-month-old dog was diagnosed with tetralogy of Fallot, a serious heart condition, and was showing signs of heart problems. The vet used advanced imaging to measure the pressure in the heart and found it was quite high. The dog underwent open-heart surgery to correct the issues, which involved repairing the heart's structure and improving blood flow. After the surgery, the dog's heart pressure significantly decreased, indicating a successful outcome.

People also search for: dog heart surgery tetralogy of Fallot · puppy heart problems treatment · acyanotic dog heart condition

Abstract

Tetralogy of Fallot was diagnosed in an acyanotic 11-month-old dog. Predicted pressure gradient across the pulmonic valve, as assessed by use of continuous wave Doppler echocardiography, was 94.5 mm Hg. Bidirectional shunting was identified by means of selective angiography. Open-heart correction was performed, using a transatrial approach with limited ventriculotomy and cardiopulmonary bypass. The hypertrophied infundibulum was resected, the ventricular septal defect was closed primarily, and a transannular pericardial patch graft was applied. Pressure gradients across the pulmonic valve were 52.9 and 22.8 mm Hg 2 weeks and 4 months after surgery, respectively. Advances in cardiopulmonary bypass, anesthetic management, and use of the transatrial approach may improve the success of open-heart correction of tetralogy of Fallot in dogs.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/9731259/