| Anatomic, histologic, and two-dimensional-echocardiographic evaluation of mitral valve anatomy in dogs. | |
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MedLine Citation:
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PMID: 21879976 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Objective-To compare echocardiographic variables of dogs with postmortem anatomic measurements and histologic characteristics of the mitral valve (MV). Animals-21 cardiologically normal dogs. Procedures-The MV was measured echocardiographically by use of the right parasternal 5-chamber long-axis view. Dogs were euthanized, and anatomic measurements of the MV annulus (MVa) were performed at the level of the left circumflex coronary artery. Mitral valve leaflets (MVLs) and chordae tendineae were measured. Structure of the MVLs was histologically evaluated in 3 segments (proximal, middle, and distal). Results-Echocardiographic measurements of MVL length did not differ significantly from anatomic measurements. A positive correlation was detected between body weight and MVa area. There was a negative correlation between MVa area and the percentage by which the MVL area exceeded the MVa area. Anterior MVLs had a significantly higher number of chordae tendineae than did posterior MVLs. Histologically, layering of MVLs was less preserved in the distal segment, whereas the muscular component and adipose tissue were significantly more diffuse in the proximal and middle segments. Conclusions and Clinical Relevance-The MV in cardiologically normal dogs had wide anatomic variability. Anatomic measurements of MVL length were correlated with echocardiographic measurements. |
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Authors:
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Michele Borgarelli; Massimiliano Tursi; Giuseppe La Rosa; Paolo Savarino; Marco Galloni |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: American journal of veterinary research Volume: 72 ISSN: 1943-5681 ISO Abbreviation: Am. J. Vet. Res. Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-09-01 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0375011 Medline TA: Am J Vet Res Country: United States |
Other Details:
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Languages: eng Pagination: 1186-92 Citation Subset: IM |
Affiliation:
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Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66505. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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