Doppler sonographic study of common carotid artery and jugular vein blood flow in Labrador dogs
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Authors
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Vikash
UP Pt Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan, Mathura-281 001 (Uttar Pradesh)
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S. Purohit
UP Pt Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan, Mathura-281 001 (Uttar Pradesh)
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G. Kumar
UP Pt Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan, Mathura-281 001 (Uttar Pradesh)
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A.K. Tripathi
UP Pt Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan, Mathura-281 001 (Uttar Pradesh)
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A. Saxena
UP Pt Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan, Mathura-281 001 (Uttar Pradesh)
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R.P. Pandey
UP Pt Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan, Mathura-281 001 (Uttar Pradesh)
Keywords:
Carotid artery, Doppler sonography, Jugular vein, Labrador dogsAbstract
In the present study, Doppler sonographic findings of common carotid artery (CCA) and external jugular vein (EJV) blood flow in normal as well as neurological deficit Labrador dogs were evaluated. In the first part of the study, 12 apparently healthy adult Labrador dogs (in two groups; group I animals aged 2-6 yr, group II animals aged 6-10 yr) were subjected to B-mode and Doppler ultrasonography of the CCA and EJV. Doppler ultrasonography was performed in all animals without sedation in lateral decubitus position using 7.5 MHz linear transducer. The mean values CCA diameter (D), peak systolic velocity (PSV), end diastolic velocity (EDV), pulsatility index (PI), resistive index (RI) and velocity (V) differed significantly between the groups I and II. No differences were found between genders or vessel sides of same age group animals. In the second part of the study, five dogs showing variable neurologic signs were subjected to Doppler sonographic examination; the neurological conditions were broadly categorized as inflammatory conditions, upstream stenosis of CCA, downstream stenosis of CCA and jugular venous reflux.
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