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Peer-reviewed veterinary case report

Surgery to fix heart defect and vein issue in a dog

By Mizuno, T et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2020·JASMINE Veterinary Cardiovascular Medical Center, Japan·View original on PubMed

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Original publication title: Surgical correction for sinus venosus atrial septal defect with partial anomalous pulmonary venous connection in a dog.

Species:
dog

Plain-English summary

A 5-year-old male toy poodle was brought in for surgery to fix a heart defect called an atrial septal defect (ASD), which was causing issues like heart enlargement and fluid in the lungs. Tests showed that the dog had a specific type of ASD along with some abnormal blood vessel connections. The surgery was successfully performed using a heart-lung machine, and a year later, the dog showed no signs of heart problems or complications. This suggests that surgery can effectively treat this type of heart defect in dogs.

People also search for: dog heart defect surgery · toy poodle heart problems · atrial septal defect treatment in dogs

Abstract

A 5-year-old male toy poodle was referred for corrective surgery of an atrial septal defect. A sinus venosus-type atrial septal defect (ASD) with partial anomalous venous connection, suspected pulmonary hypertension, and pulmonary edema was confirmed by radiography, echocardiography, and cardiac computed tomography. Thoracic radiographs showed right heart enlargement. Echocardiography revealed right atrial and ventricular dilatation with mild flattening of the interventricular septum. Left-to-right shunt flow through the ASD was observed on color Doppler examination. Surgical correction of the sinus venosus ASD with a partial anomalous pulmonary venous connection was performed under cardiopulmonary bypass. A follow-up evaluation at 1 year after surgery showed resolution of the right-sided volume overload and no evidence of recurrence of ASD. Complications were not observed. Our findings indicate that surgical correction under cardiopulmonary bypass is a valid treatment option for an ASD with a partial anomalous pulmonary venous connection.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/32182571/