Peer-reviewed veterinary case report
Low-energy ablation stops abnormal heart signals in two dogs
By Santilli, R A et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2018·Department of Clinical Sciences, United States·View original on PubMed →
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Original publication title: Low-energy ablation of anteroseptal accessory pathways in two dogs.
- Species:
- dog
Plain-English summary
A 5-year-old mixed-breed dog was diagnosed with a heart condition causing rapid heartbeats due to an abnormal electrical pathway. The veterinarian used a low-energy radiofrequency technique to safely eliminate this pathway. After the procedure, the dog experienced a brief heart block, which resolved quickly, and follow-up showed no lasting issues. This treatment successfully corrected the heart problem with minimal side effects, allowing the dog to return to normal activity.
People also search for: dog rapid heartbeat treatment · heart block in dogs · radiofrequency ablation for dogs
Abstract
In humans, accessory pathways (APs) in an anteroseptal and midseptal position are often challenging to ablate because of their close proximity with the conduction pathways of the atrioventricular junction. The use of low-energy ablation techniques can be useful to reduce the risk of permanently damaging the atrioventricular node and the His bundle. This report describes the use of low-energy radiofrequency catheter ablation to successfully and permanently ablate anteroseptal APs in two dogs with orthodromic atrioventricular reciprocating tachycardia. In the first dog, a transient first degree atrioventricular block persisted for 30 s after radiofrequency energy delivery. In the second dog, transient paroxysmal atrioventricular conduction block was observed during the procedure but resolved within 3 days. First degree atrioventricular block was again identified 2 months later. In conclusion, anteroseptal APs can be effectively treated by low-energy radiofrequency catheter ablation with minimal and transient damage to the atrioventricular junction.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/29859723/