Background: Chronic kidney disease refers to the gradual loss of renal function over time and is a significant public health problem worldwide. Doppler ultrasonography can be used as a non-invasive modality to detect renal macroabnormalities and renal vascular status in these patients. The objective of our study was to assess the role of renal segmental artery resistive index in the evaluation of the renal functional status in patients with different grades of chronic kidney disease. Methods: A hospital-based study using a non-interventional study design was employed in the study. The inclusion criteria were adult patients between 20 to 60 years of age with chronic renal disease but not undergoing renal replacement therapy. Renal Doppler was performed by a single operator on these patients with a curvilinear probe of 3.2 megahertz. Data were entered in a predesigned proforma, and analysis was done using IBM SPSS version 20. Results: The mean renal segmental artery resistive index in our study was 0.74 (SD=0.08) for the right kidney and 0.75 (SD=0.07) for the left kidney. A positive correlation was observed between the grade of chronic kidney disease and segmental artery resistive index with an r-value of 0.76 and 0.72 for the right kidney and left kidney, respectively. Conclusion: The renal segmental artery resistive index can be used as a non-invasive indicator for evaluating patients with chronic kidney disease. It correlates with the renal functional status as estimated by the glomerular filtration rate. It can be used as a marker for deterioration of renal function and can also prognosticate the outcome in patients with chronic kidney diseases.
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NP et al. (2022) studied this question.
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