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(2024). VALUE OF RENAL DOPPLER IN DIFFERENTIATING OBSTRUCTIVE FROM NON-OBSTRUCTIVE HYDRONEPHROSIS BY MEASUREMENT OF RENAL ARTERY RESISTIVE INDEX. Al-Azhar Journal of Pediatrics, 27(1), 3771-3783. doi: 10.21608/azjp.2024.351098
. "VALUE OF RENAL DOPPLER IN DIFFERENTIATING OBSTRUCTIVE FROM NON-OBSTRUCTIVE HYDRONEPHROSIS BY MEASUREMENT OF RENAL ARTERY RESISTIVE INDEX". Al-Azhar Journal of Pediatrics, 27, 1, 2024, 3771-3783. doi: 10.21608/azjp.2024.351098
(2024). 'VALUE OF RENAL DOPPLER IN DIFFERENTIATING OBSTRUCTIVE FROM NON-OBSTRUCTIVE HYDRONEPHROSIS BY MEASUREMENT OF RENAL ARTERY RESISTIVE INDEX', Al-Azhar Journal of Pediatrics, 27(1), pp. 3771-3783. doi: 10.21608/azjp.2024.351098
VALUE OF RENAL DOPPLER IN DIFFERENTIATING OBSTRUCTIVE FROM NON-OBSTRUCTIVE HYDRONEPHROSIS BY MEASUREMENT OF RENAL ARTERY RESISTIVE INDEX. Al-Azhar Journal of Pediatrics, 2024; 27(1): 3771-3783. doi: 10.21608/azjp.2024.351098

VALUE OF RENAL DOPPLER IN DIFFERENTIATING OBSTRUCTIVE FROM NON-OBSTRUCTIVE HYDRONEPHROSIS BY MEASUREMENT OF RENAL ARTERY RESISTIVE INDEX

Article 4, Volume 27, Issue 1, January 2024, Page 3771-3783  XML PDF (103.02 K)
Document Type: Original Article
DOI: 10.21608/azjp.2024.351098
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Abstract
Background: Doppler Ultrasound has provided a new insight into the physiology of kidney, enabling detection of subtle renal blood flow changes associated with various pathophysiological conditions. Apart from being non-ionizing and non-invasive, it has been reported to help in differentiating obstructive from nonobstructive hydronephrosis (HN) by renal arterial resistive index (RI) measurements.
Objective: The main aim of our study to determine the utility of RI in distinguishing between obstructive and non-obstructive hydronephrosis (HN) in pediatric age group.
Methodology: This a case control study was carried out on a sample of 20 youngsters diagnosed with hydronephrosis, along with 10 individuals who were selected as healthy controls. The participants were recruited from Hussien& Bab Alshieria Al-Azhar University Hospitals. The research was carried out from December 2022 to September 2023. All the studied cases were subjected to comprehensive medical history, thorough physical examination, laboratory and radiological assessment. 20 patients were taken after applying including criteria and undergone Renal Doppler assessment for evaluation of hydronephrosis and differentiating obstructive from non-obstructive HN.
Results: Mean Ri (0.740±0.05) for obstructive HN was significantly higher than the mean RI (0.31±0.05) for non-obstructive HN. The determination of RI useful for differentiating obstructive from non-obstructive HN. Also, the mean venous impedance (0.31±0.02) was significantly higher in obstructive HN than non-obstructive HN.
Conclusion: The RI of the renal artery at hilum significantly high in obstructive HN so, can be effectively used to distinguish obstructive from non-obstructive hydronephrosis.
 
Keywords
Keywords: Hydronephrosis (HN); Pediatric; Renal artery; Resistive index (RI); mean venous impedance (MVP)
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