Korean J Vet Res.  2017 Mar;57(1):51-54. 10.14405/kjvr.2017.57.1.51.

Prolonged reflex bradycardia after occlusion of patent ductus arteriosus with an Amplatz canine duct occluder in a dog

Affiliations
  • 1Department of Veterinary Internal Medicine, College of Veterinary Medicine, Konkuk University, Seoul 05029, Korea. parkhee@konkuk.ac.kr

Abstract

A 9-month-old intact male Maltese dog (1.52 kg) was diagnosed with a patent ductus arteriosus (PDA). Transcatheter occlusion of the PDA was performed by using the Amplatz canine duct occluder (ACDO). After occlusion, reflex bradycardia occurred and lasted for at least 15 h with normal systolic arterial pressure and slightly increased diastolic arterial pressure. The bradycardia slowly resolved, and the heart rate was normal in re-examinations after 7 and 30 days. This is the first case of reflex bradycardia after ACDO implantation, in which the bradycardia continued for a long time, even after recovery from anesthesia.

Keyword

Amplatz canine duct occluder; Branham-sign; patent ductus arteriosus; reflex bradycardia

MeSH Terms

Anesthesia
Animals
Arterial Pressure
Bradycardia*
Dogs*
Ductus Arteriosus, Patent*
Heart Rate
Humans
Infant
Male
Reflex*
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