| The effect of pregnancy on echocardiographic variables in healthy bitches. | |
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MedLine Citation:
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PMID: 20615775 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: Little is known of the effect of pregnancy on canine cardiovascular function. This study was undertaken to evaluate the effect of pregnancy on canine echocardiographic variables. ANIMALS, MATERIALS AND METHODS: Serial echocardiographic examinations of 7 healthy, sexually intact female canine mongrels dogs that weighed between 9.7 and 13.4 kg were performed. The subjects were examined prior to ovulation, during early pregnancy, during late pregnancy within 6 days of parturition and again, after puppies were weaned. RESULTS: Repeated measures ANOVA disclosed a statistically significant effect of time on end-systolic left ventricular dimension (LVIDs, p=0.005), left ventricular fractional shortening (%FS, p=0.001), Doppler-derived inflow and ejection velocities (all p<0.05), as well as on heart rate (HR, p=0.03). %FS, HR, aortic ejection velocity, pulmonic ejection velocity and early diastolic mitral inflow velocity were maximal during late pregnancy. The increase in %FS resulted from a decrease in LVIDs. For Doppler-derived flow velocities, the range of differences of least square means (m/s) between early and late pregnancy was 0.21-0.32. CONCLUSIONS: While the magnitude of effect generally was small, this study provides evidence that pregnancy in healthy bitches is associated with changes in echocardiographic variables. |
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Authors:
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Jonathan A Abbott |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-07-07 |
Journal Detail:
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Title: Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology Volume: 12 ISSN: 1875-0834 ISO Abbreviation: J Vet Cardiol Publication Date: 2010 Aug |
Date Detail:
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Created Date: 2010-08-20 Completed Date: 2010-12-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101163270 Medline TA: J Vet Cardiol Country: Netherlands |
Other Details:
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Languages: eng Pagination: 123-8 Citation Subset: IM |
Copyright Information:
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Copyright (c) 2010 Elsevier B.V. All rights reserved. |
Affiliation:
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Department of Small Animal Clinical Sciences, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Duck Pond Drive, Blacksburg, VA 24061-0442, USA. abbottj@vt.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Dogs / anatomy & histology, physiology* Echocardiography / veterinary* Female Heart Ventricles / anatomy & histology, ultrasonography Longitudinal Studies Pregnancy Pregnancy, Animal / physiology* Reference Values Ventricular Function / physiology |
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