Resistive Index of Intrarenal Vessels in Patients with Ureteric Calculi
Keywords:Renal colic, ureteric stones, Doppler US, Obstruction, Resistive index
Background: Urolithiasis is a common health problem with potential harmful effects on the renal parenchyma
if inappropriately addressed. Doppler US is a non-invasive imaging modality with the potential to better
characterize obstructive uropathy than grey scale US. Objective: to evaluate the Doppler ultrasound findings
in patients with renal ureteric calculi and correlate them with other US findings related to obstruction by the
Method: This analytic cross-sectional study was conducted in the ultrasound unit at the Consultation Center/
Al-Nahrain Medical College for the period from September 2017 to January 2018. A net of thirty five patient
with renal stones were enrolled in the study. Greyscale and Doppler US were performed for both the affected
and the contralateral sides. Certain US and Doppler findings were evaluated.
Results: 13 (37.15%) of our patients had mild, 13 (37.15%) moderate and 9 (25.7%) severe hydro nephrosis.
The average of RI that considered affect the kidney was 0.68, and non-congested kidney was 0.56.
Conclusion: In patients with acute renal colic we use Gray scale sonography with Doppler US in diagnosis
of renal stones.