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Peer-reviewed veterinary case report

Heart ultrasound changes in two dogs treated for congenital heart

By Kim, Yein et al.·Published in Veterinary medicine and science·2023·Department of Veterinary Medical Imaging, South Korea·View original on PubMed

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Original publication title: Echocardiographic changes in the progress of reverse shunt and improvement to left-to-right shunt after medical treatment in dogs with bidirectional patent ductus arteriosus or ventricular septal defect: A report of two cases.

Species:
dog

Plain-English summary

Two Maltese dogs were brought in for heart problems, one with a condition called patent ductus arteriosus (PDA) and the other with a ventricular septal defect (VSD). Both dogs had been diagnosed with their heart issues at different times and showed signs of a bidirectional shunt, which can cause serious health problems. They were treated with sildenafil and oxygen therapy, and after treatment, both dogs returned to normal health and showed improved heart function. Three years later, they had no signs of heart disease.

People also search for: Maltese dog heart disease treatment · patent ductus arteriosus in dogs · ventricular septal defect in dogs treatment

Abstract

Two Maltese dogs were referred for evaluation of a congenital heart disease: one was diagnosed with patent ductus arteriosus and the other was diagnosed with a ventricular septal defect. The PDA patient was diagnosed with congenital heart disease 2 weeks ago and the VSD patient about 11 months ago at another hospital. Echocardiographic findings revealed a bidirectional shunt condition, and the dogs were treated with medical management using sildenafil and oxygen inhalation. After medical management, the dogs returned to clinically normal conditions, and echocardiographic findings revealed a return to left-to-right shunt tendency. These dogs had no clinical signs associated with heart disease 3 years after treatment. This case report describes changes in echocardiography findings according to the progression of the reverse shunt and the possibility of improvement to a left-to-right shunt after medical treatment.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/36716384/