| Juxtaductal coarctation of both pulmonary arteries in a cat. | |
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MedLine Citation:
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PMID: 20807951 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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A 4-year-old, male, neutered cat was referred because of recurrent episodes of dyspnea. Physical examination revealed a harsh systolic murmur, with the point of maximal intensity in the left heart base, with an intensity of 4 out of 6. Echocardiographic diagnosis was severe supravalvular pulmonary artery stenosis. A selective right ventricular angiocardiogram showed an absence of arterial blood flow to the left lung lobes. A balloon dilatation of the localized stenosis of the right pulmonary artery was attempted with cardiac catheterization. However, when the catheter was passed through the stenosis, the blood flow to the lungs temporarily completely ceased, which led to death. Postmortem examination revealed a circumscribed stenosis of both pulmonary arteries at the site of the bifurcation, where the ligamentum arteriosum was attached. Histopathology showed that the localized ridge-like stenosis at the pulmonary artery bifurcation was caused by connective tissue. The suspected cause of this congenital anomaly is the presence of ectopic ductal tissue in the wall of the pulmonary artery. When the ductus arteriosus closes at birth, pulmonary artery stenosis developed because of constriction of the ectopic ductal tissue. |
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Authors:
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Viktor Szatmári; Matthias W Freund; Edwin J B Veldhuis Kroeze; Jan Strengers |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc Volume: 22 ISSN: 1040-6387 ISO Abbreviation: J. Vet. Diagn. Invest. Publication Date: 2010 Sep |
Date Detail:
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Created Date: 2010-09-02 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9011490 Medline TA: J Vet Diagn Invest Country: United States |
Other Details:
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Languages: eng Pagination: 812-6 Citation Subset: IM |
Affiliation:
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Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands. V.Szatmari@uu.nl |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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