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Ventricular septal defect repair in a small dog using cross-circulation
G B Hunt1, M R Pearson, C R Bellenger
1Veterinary Cardiovascular Unit, Sydney University Veterinary Teaching Hospital, University of Sydney, New South Wales.
Australian Veterinary Journal
|October 1, 1995
Summary
A surgical repair successfully closed a ventricular septal defect in a young Cavalier King Charles Spaniel. This successful intervention offers a new treatment option for canine congenital heart disease.
Area of Science:
- Veterinary Cardiology
- Cardiovascular Surgery in Animals
Background:
- Congenital heart defects, specifically ventricular septal defects (VSDs), are significant causes of morbidity in canine patients.
- Surgical intervention for VSDs in veterinary medicine is complex and requires specialized techniques.
Observation:
- A 3-month-old, 6.5 kg Cavalier King Charles Spaniel presented with a haemodynamically significant peri-membranous ventricular septal defect.
- The defect measured 10 mm in diameter.
Findings:
- A median sternotomy approach was utilized for surgical access.
- Cardiopulmonary bypass was established using pump-assisted cross-circulation.
- The ventricular septal defect was successfully closed with a continuous 4-0 polypropylene suture via a right ventricular outflow tract incision.
- The procedure lasted 90 minutes, with mild, manageable postoperative complications.
Implications:
- This case demonstrates the feasibility and success of surgical VSD closure in a canine patient.
- The described surgical technique provides a potential therapeutic strategy for congenital cardiac anomalies in dogs.
- Further studies are warranted to assess long-term outcomes and refine surgical protocols for canine VSD repair.