Comparative Study of Renal Artery Stenosis in Diabetic and Non-Diabetic Patients by Renal Artery Doppler

Sawan Bhati; Anurag Jaiswal; Shishir Gupta

doi:10.55489/njmr.150120251042

Authors

Sawan Bhati Department of Radio Diagnosis, TS Misra Medical College & Hospital, Lucknow, Uttar Pradesh, India
Anurag Jaiswal Department of Radio Diagnosis, TS Misra Medical College & Hospital, Lucknow, Uttar Pradesh, India
Shishir Gupta Department of Radio Diagnosis, TS Misra Medical College & Hospital, Lucknow, Uttar Pradesh, India

DOI:

https://doi.org/10.55489/njmr.150120251042

Keywords:

Renal artery stenosis, Diabetes mellitus, Resistive index, Pulsatility index, Doppler ultrasonography, Chronic kidney disease

Abstract

Background: Renal artery stenosis (RAS) is a major cause of secondary hypertension and chronic kidney disease (CKD), and diabetes mellitus accelerates its development. This study aims to compare the prevalence, severity, and characteristics of RAS in diabetic versus non-diabetic patients using renal artery Doppler ultrasonography.

Method: An observational study was conducted from January 2023 to June 2024 at TS Misra Medical College and Hospital, involving 88 patients with RAS. Participants included 50 diabetic and 38 non-diabetic patients. Renal Doppler ultrasonography assessed resistive index (RI) and pulsatility index (PI) for evaluating renal vascular resistance. Demographic and clinical data were collected, and statistical analysis was performed using SPSS version 23.0.

Result: Diabetic patients showed significantly higher RI and PI values compared to non-diabetics, with RI of 0.71 ± 0.06 vs. 0.62 ± 0.041 and PI of 1.41 ± 0.31 vs. 0.97 ± 0.21 (p<0.001). Renal dimensions also differed, with larger volumes and altered measurements in diabetics. Prevalence of RAS was noted to be higher in diabetics with hypertension.

Conclusion: Diabetes is associated with increased renal vascular resistance and altered renal hemodynamics. Early detection and management of RAS in diabetic patients are crucial for preventing progression to end-stage renal disease.

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