Role of Renal Resistive Index in early detection of Diabetic Nephropathy in Type II Diabetic Patients | ||||
| SVU-International Journal of Medical Sciences | ||||
| Article 96, Volume 7, Issue 1, January 2024, Page 1011-1021 PDF (376.26 K) | ||||
| Document Type: Original research articles | ||||
| DOI: 10.21608/svuijm.2023.236371.1700 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Nihal O.Youssif Ali Ali  1; Ahmed M. Khalaf-Awad 1; Fayed HM 2; Abd elkader Ahmed Hashim3; Ghada M. Abd ElRazik 1
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| 1Diagnostic and Intervention Radiology Department, Faculty of Medicine-South Valley University, Qena, Egypt | ||||
| 2Clinical and Chemical Pathology, Qena Faculty of Medicine, South Valley University,Qena, Egypt | ||||
| 3Internal Medicine Department, Faculty of Medicine, South Valley University, Qena, Egypt | ||||
| Abstract | ||||
| Background: Diabetic nephropathy (DN) burdens health services; renal resistive index (RI) indicates atherosclerotic changes. Objectives: Assessing renal artery RI for early detection of DN in type II diabetes (T2DM) patients. Patients and methods: A cross-sectional study analyzed 82 T2DM patients, divided into two subgroups 27 normoalbuminuric (10 males; 17 females), 55 hyper-albuminuric (26 males; 29 females)), and 18 age and sex-matched healthy volunteers. All participants were evaluated by clinical examination, gray-scale renal ultrasound, Doppler evaluation of renal RI, and laboratory evaluation of glycemic control and renal functions. Results: T2DM without DN had a mean age of 48.6±3.9 years, while T2DM with DN had a mean age of 52.9 ±6.3 years. T2DM with DN significantly increased BMI and higher HbA1c levels compared to T2DM without DN and normal groups. T2DM patients with DN have higher renal artery RI compared to the control group. RI values showed a positive correlation with albuminuria. Renal impairment and RI increase with disease duration over 5 years. T2DM patients with DN have significantly higher renal RI (0.71 ±0.015), compared with T2DM without DN (0.639 ±0.017), and compared to the control group (0.56 ±0.02) (p < 0.001). The RI at a cutoff level of > 0.68 had an AUC of 1.0, which can discriminate T2DM with DN from that without DN with 100% in all sensitivity, specificity, PPV, and NPV, (P<0.001). Conclusion: Poor glycemic control and obesity negatively impact renal function in T2DM; renal RI >0.68 is a useful test for early diabetic nephropathy evaluation. | ||||
| Keywords | ||||
| Diabetic nephropathy; Renal hemodynamics; Renal Resistive index | ||||
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