Peer-reviewed veterinary case report
New stent method helps treat severe pulmonic stenosis in a dog
By Swift, S T et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2020·Department of Small Animal Clinical Sciences, United States·View original on PubMed →
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Original publication title: A novel hybrid stent technique to treat canine pulmonic stenosis.
- Species:
- dog
Plain-English summary
An 18-month-old Havanese was brought in for fainting spells due to severe pulmonic stenosis, a heart condition that restricts blood flow. Traditional treatments weren't successful, so veterinarians used a new technique to place stents directly in the heart to improve blood flow. After the procedure, the dog's heart pressure dropped significantly, and the fainting episodes improved. Although the dog still experiences occasional fainting when very excited, it has been doing well for three years since the treatment.
People also search for: Havanese fainting spells · dog pulmonic stenosis treatment · heart stent for dogs
Abstract
Balloon valvuloplasty is routinely performed in dogs with severe pulmonic stenosis using a transvenous approach. We report a novel transventricular approach to stent the right ventricular outflow tract. An 18-month old Havanese with frequent syncope was referred with a diagnosis of severe valvular pulmonic stenosis. Transvenous approaches were unsuccessful; therefore, two Palmaz XL 29 mm by 12 mm transhepatic biliary stents were deployed across the valve using a direct right ventricular approach. The echocardiographically derived systolic pressure gradient decreased from 133 mmHg to 39 mmHg with resolution of clinical signs. The patient continues to do well after 3 years with occasional syncope when extremely excited despite pressure gradient increases to 130 mmHg at 12 months and 174 mmHg at 22 months.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/33031996/