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Are Doppler ultrasonography parameters symmetric between the right and left kidney?

Authors Ansarin K, Shakeri Bavil A, Ghabili K, Shoja M, Khodadoust HT, Hajipour B, Tubbs RS, Parvizi M

Published 16 November 2010 Volume 2010:3 Pages 371—373


Review by Single anonymous peer review

Peer reviewer comments 3

Khalil Ansarin1, Abolhassan Shakeri Bavil2, Kamyar Ghabili3, Mohammadali M Shoja4, Hamid T Khosroshahi5, Babak Hajipour6, R Shane Tubbs7, Mojtaba Parvizi8
1Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; 2Department of Radiology, Tabriz University of Medical Sciences, Tabriz, Iran; 3Students’ Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; 4Indiana University Department of Neurosurgery, Indianapolis, IN, USA; 5Department of Nephrology, Tabriz University of Medical Sciences, Tabriz, Iran; 6Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; 7Section of Pedriatric Neurosurgery, Children’s Hospital, Birmingham, AL, USA; 8Department of Pathology and Medical Biology, University Medical Center Groningen, Groningen, The Netherlands

Background: Among numerous modalities applied for evaluation of kidney diseases, Doppler ultrasonography (DU) provides information about the hemodynamic status of the kidneys. Meanwhile, the variability in DU parameters of the right and left kidney is a matter of controversy. The aim of this study was to determine whether any difference exists between the DU indices of the right and left kidney.
Methods: Retrospectively, we collected DU findings of 25 healthy potential renal transplant donors. All donors underwent renal DU and multidetector computed tomographic angiography before donor nephrectomy. DU indices, including peak systolic volume (PSV), resistive index (RI), pulsatility index (PI), end-diastolic volume (EDV), and acceleration time (AT), were recorded.
Results: The median age of the donors was 27 (range 23–39) years. The median PSV, RI, EDV, and AT for the right kidney were 29 cm/sec, 0.59, 10.9 cm/sec, and 50 msec, respectively. For the left kidney, the median PSV, RI, EDV, and AT were, respectively, 26.8 cm/sec, 0.60, 10.6 cm/sec, and 43 msec. Among the DU indices, median PI of the right kidney was significantly different from that of the left kidney (1.02 versus 0.95, P = 0.01).
Conclusion: In conclusion, the present study revealed that right kidney DU indices, except for PI, may not differ from those of the left kidney.

Keywords: Doppler ultrasonography, peak systolic volume, resistive index, pulsatility index, kidney

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