Screening of Renal Artery Stenosis in Egyptian Diabetic Patients

Document Type : Original Article

Authors

1 Department of Internal Medicine, Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt

2 Department of Diagnostic and interventional Radiology, Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt.

https://doi.org/10.21608/aimj.2025.446591

Abstract

Background: Renal artery stenosis (RAS) is the narrowing of one or both of the renal arteries, is not a common disease in general population, but it is found at about 1-5% out of hypertensive persons. Atherosclerosis or fibromuscular dysplasia most often cause it, also it can be complicated by chronic kidney disease (CKD) and end-stage renal disease. 
Aim and objectives: To evaluate the role of color Doppler among Diabetic patients.
Subjects and methods: This cross-sectional study was carried out on 100 subjects who were recruited from the outpatient clinics, inpatient ward, and nephrology unit at Al-Azhar University Hospitals from January 2024 to January 2025. Subjects were divided into two groups: Group A: eighty patients had DM. Group (B): twenty apparently normal persons as a control group.
Results: According to the comparison of the prevalence of RAS between diabetic cases and controls, the result was significant (p-value<0.05). As the prevalence of RAS among diabetic cases was 15% compared to no one among controls, out of 12 cases with RAS, 7 cases had unilateral RAS and 5 cases had bilateral RAS.
Conclusion: The means of resistive index (RI), peak systolic velocity (PSV), acceleration time (AT), Pulsatilty index (PI) and renal aortic ratio (RAR) were significantly higher among diabetic patients with RAS positive than negative cases. So, duplex ultrasonographic mainly RI can be used as early, sensitive marker for detection of RAS.
 
 

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