期刊
JOURNAL OF VETERINARY CARDIOLOGY
卷 35, 期 -, 页码 8-13出版社
ELSEVIER
DOI: 10.1016/j.jvc.2021.02.007
关键词
Common arterial trunk; Feline; Congenital heart disease; Ventricular septal defect
A 6-month-old female domestic shorthair cat presented with cardiomegaly and died suddenly at home due to a combination of persistent truncus arteriosus and an anomalous coronary artery.
A 6-month-old, female, domestic shorthair cat weighing 1.8 kg presented with cardiomegaly seen on radiographs taken at a primary care veterinary center. Echocardiography revealed a single enlarged vessel overriding a ventricular septal defect and severe hypertrophy of the right ventricular free wall. There was no evidence of a pulmonary arterial trunk originating from the heart. The blood flow through the ventricular septal defect exhibited right-to-left shunting. The cat suddenly experienced dyspnea and died at home, and a postmortem examination was performed. A single large vessel was noted leaving the heart, from which the right and left pulmonary arteries arose separately; a main pulmonary artery was absent. There was only one single anomalous coronary ostium that arose from the brachiocephalic artery and divided into two branches. The walls of the extracardiac coronary artery were thick, but neither infarcts nor narrowing was observed within the coronary arteries. There were no abnormalities in the intracardiac coronary artery. These findings revealed a persistent truncus arteriosus with an anomalous coronary artery. A combination of these anomalies might have contributed to the early death of the cat. (c) 2021 Elsevier B.V. All rights reserved.
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