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KMID : 1094020150320020162
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Journal of Veterinary Clinics
2015 Volume.32 No. 2 p.162 ~ p.167
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Evaluation of Left Ventricular Tei Index in the Normal Dogs and Dogs with Mitral Valve Degenerative Disease
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Lee In
Lee Jung-Woo
Choi Soo-Young
Lee Young-Won
Choi Ho-Jung
Han Woo-Sok
Lee Ki-Ja
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Abstract
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Tei-index has been reported as one of reliable echocardiographic factors for evaluating cardiac function inhuman and small animals. In this study, Tei-index were measured and evaluated with other echocardiographic parametersin normal thirteen beagle dogs and thirty-one dogs with mitral valve degeneration. Normal range of Tei index withtissue Doppler obtained at septum and left ventricular free wall was 0.58 ± 0.07 and 0.60 ± 0.07, respectively. Thevalues between septum and left ventricular free wall did not show significant difference. Tissue Doppler derived teiindex showed better reproducibility and significantly lower values than the results obtained by pulsed wave Doppler. Tei index obtained in either method increased with the progression of clinical signs. Therefore, the increase of Teiindex in dogs with mitral regurgitation is thought to be an useful factor reflecting left ventricular dysfunction.
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KEYWORD
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left ventricular function, echocardiography, tissue Doppler, Tei index, dog
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