EVALUATION OF THE RELATIONSHIP BETWEEN ULTRASONOGRAPHIC KIDNEY DIMENSIONS AND MODIFIED BODY MASS INDEX IN CLINICALLY HEALTHY NIGERIAN INDIGENOUS DOGS

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EVALUATION OF THE RELATIONSHIP BETWEEN ULTRASONOGRAPHIC KIDNEY DIMENSIONS AND MODIFIED BODY MASS INDEX IN CLINICALLY HEALTHY NIGERIAN INDIGENOUS DOGS

 

Abstract

Ultrasonography was used to determine the correlation between the kidney dimensions in 115 clinically healthy Nigerian Indigenous Dogs (NID) with anthropometric indices such as Modified Body Mass Index (mBMI) and sex. In-vivo ultrasonographic kidney dimensions were obtained by measuring the kidneys’ length, width and height to compute the kidney volume using prolate ellipsoid formula (L x W x H x 0.523) while anthropometric dimensions were measures of body weight and truncal length to obtained the modified body mass index (mBMI) for dogs (body weight/truncal length2). The result showed that the right kidney length of clinically healthy NID was within the range of 3.86 – 7.40 cm with the mean of 5.54 ± 0.067, while the left kidney length was 4.12 – 7.57 cm with the mean of 5.81 ± 0.062. The right kidney width was within the range of 1.86 – 5.00 cm with the mean of 3.15 ± 0.056, while the range for left kidney width was 2.04 – 5.42 cm with the mean of 3.36 ± 0.049. The right kidney height was within the range of 1.77 – 4.40 cm with the mean of 2.79 ± 0.045, while the range for left kidney height was 1.84 – 4.64 cm with the mean of 3.10 ± 0.052. Correlation between modified body mass index and kidney dimensions revealed a significant but weak positive relationship in right and left kidney length (0.30 and 0.37), kidney height (0.22 and 0.18) respectively, and right kidney volume (0.21), while there were no significant correlation in right kidney width (0.083) and left kidney volume (0.18), but a negative correlation was revealed in left kidney width (-0.057). The values for the variations between males and females in right and left kidneys respectively included: kidney length (0.3001 and 0.4274), kidney width (0.5465 and 0.7045), kidney height (0.0294 and 0.6421) and kidney volume (0.0834 and 0.6727). The values for the differences between the right and left kidneys in males and females respectively included: kidney length (0.0008 and 0.0012), kidney width (0.0226 and 0.007), kidney height (0.0004 and 0.0001) and kidney volume (0.0004 and 0.0001). The right kidney volume of clinically healthy NID was within the range of 9.22 – 63.20 cm with the mean of 26.33 ± 0.94, while the left kidney volume was 13.66 – 70.21 cm with the mean of 32.36 ± 1.04. In conclusion, the mean values of the right and left kidney dimensions in NID are kidney length as 5.54 ± 0.067 cm and 5.81 ± 0.062 cm, kidney width as 3.15 ± 0.056 cm and 3.36 ± 0.049 cm and kidney height as 2.79 ± 0.045 cm and 3.10 ± 0.052 cm respectively; correlation between kidney dimensions and modified body mass index (mBMI) was a positive linear relationship except for the left kidney width that was a negative linear relationship; there were no statistically significant differences in kidney dimensions between male and female but left kidney appeared larger than the right kidney in both male and female; the mean values of right and left kidney volume were 26.33 ± 0.94 and 32.36 ± 1.04 respectively

EVALUATION OF THE RELATIONSHIP BETWEEN ULTRASONOGRAPHIC KIDNEY DIMENSIONS AND MODIFIED BODY MASS INDEX IN CLINICALLY HEALTHY NIGERIAN INDIGENOUS DOGS

 

 

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