PubMed · 6459965
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A Reale, A Nigri, P A Gioffrè. 1981. [Cardiac catheterization].. https://pubmed.ncbi.nlm.nih.gov/6459965/
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An anomalous shunt between the bronchoesophageal artery and pulmonary artery was diagnosed in a 1-year- old, 3.5 kg female Miniature Dachshund by selective contrast angiography. A cardiac murmur had been observed in the dog during examination at another hospital. The machinery murmur was auscultated at the left side of the base of the heart. Although thoracic radiography revealed mild cardiomegaly, the characteristic findings of patent ductus arteriosus (PDA), including as aortic arch enlargement and pulmonary artery enlargement were not observed. Echocardiography demonstrated shunting of blood flow presumably from the arterial duct at the pulmonary artery carina. Based on the above findings the case was diagnosed as PDA. Angiocardiography was performed to confirm the diagnosis in preparation for surgical treatment, but later we confirmed that the shunt vessel was not PDA, but apparently a branch of the bronchoesophageal artery. The shunt vessel was branching in a complicated manner and shunted to the pulmonary artery.
The role of myocardial fibrosis in the pathogenesis of left-ventriclar remodeling was studied in patients with idiopathic and ischemic dilatation cardiomyopathy. The percentage of volumic collagen fraction in the left-ventricular myocardium was significantly increased, this increase correlating with the degree of dilatation of left-ventricular cavity. A sufficient increase of plasma fibromectin level was observed in patients with idiopathic dilatation cardiomyopathy at all stages of circulatory insufficiency.