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Transvenous patent ductus arteriosus occlusion via Canine Duct Occluder in a cat
1The Animal Medical Center, 510 E 62nd, New York, NY 10065, USA.
Insights
Transvenous patent ductus arteriosus (PDA) occlusion using an Amplatz Canine Duct Occluder (ACDO) device was successfully performed in a feline patient. This minimally invasive procedure offers a potential new treatment for PDA in cats.
Area of Science:
- Veterinary Cardiology
- Interventional Cardiology
- Feline Medicine
Background:
- Patent ductus arteriosus (PDA) is a congenital heart defect common in young dogs but less frequently reported in cats.
- Surgical ligation has been the traditional treatment for PDA, but it is invasive and carries risks.
- Minimally invasive techniques are increasingly sought for veterinary cardiac interventions.
Observation:
- A 5-month-old domestic shorthair cat presented with a heart murmur indicative of a large, left-to-right shunting PDA.
- Echocardiography confirmed the diagnosis and anatomical details of the PDA.
- The cat underwent transvenous occlusion using a 4-mm Amplatz Canine Duct Occluder (ACDO) device.
Findings:
- The ACDO device was successfully deployed via the right jugular vein, occluding the PDA.
- Post-procedure, no residual flow was detected, and the cat recovered without complications.
- Follow-up evaluations at one and seven months showed the cat remained clinically well, with trivial residual diastolic flow and improved cardiac dimensions.
Implications:
- This case demonstrates the feasibility of transvenous PDA occlusion with an ACDO device in a feline patient.
- This approach may offer a less invasive alternative to surgical PDA correction in cats.
- Further studies are needed to confirm the long-term safety and efficacy of this technique in a larger feline population.
Abstract:
A 5-month old, intact, female domestic shorthair cat was referred for evaluation of a heart murmur. Echocardiography revealed a large, left-to-right shunting patent ductus arteriosus (PDA). One month after initial presentation, the cat underwent transvenous PDA occlusion via Amplatz occlusion device. A 4-mm Canine Duct Occluder (ACDO) was successfully placed via introduction into the right jugular vein and retrograde manipulation from the pulmonary artery across the ductal opening. No residual flow was detected postoperatively, and the patient recovered uneventfully without significant complications. At recheck evaluations one and seven months post-operatively, the patient was clinically well with trivial residual diastolic flow and improved left heart dimensions. This report demonstrates the feasibility of transvenous PDA occlusion via ACDO device in the feline patient, although further experience is needed to establish the repeatability and safety of this approach compared with alternative methods.
