ArticleThe international journal of cardiovascular imaging2023
Renal resistance index independently predicts worsening of renal function after coronary angiography.
Article in The international journal of cardiovascular imaging, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Relationship between the intrarenal resistive index and split renal function in patients with solitary kidneys.Quantitative imaging in medicine and surgery · 2025Article
- Exploring the Utility of Renal Resistive Index in Critical Care: Insights into ARDS and Cardiac Failure.Biomedicines · 2025Review
- Renal Arterial and Venous Doppler in Cardiorenal Syndrome: Pathophysiological and Clinical Insights.Biomedicines · 2024Review
- Association of renal resistive indices with kidney disease progression and mortality.BMC nephrology · 2023Article
- Current Insights into the Significance of the Renal Resistive Index in Kidney and Cardiovascular Disease.Diagnostics (Basel, Switzerland) · 2023Review
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Authors and funding
12 authors.
Funding
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Abstract
The renal resistance index (RRI) has been demonstrated to be a useful parameter that can detect patients at a high risk of worsening of renal function (WRF). This study was designed to evaluate the role of the RRI in predicting WRF mediated by the intravascular administration of contrast media. We enrolled patients who were referred for coronary angiography. Renal arterial echo-color Doppler was performed to calculate the RRI. WRF was defined as an increase of > 0.3 mg/dL and at least 25% of the baseline value in creatinine concentration 24-48 h after coronary angiography. Among the 148 patients enrolled in this study, 18 (12%) had WRF. In the multivariate logistic analysis, the RRI was independently associated with WRF (odds ratio [OR]: 1.22; 95% confidence interval [CI]: 1.09-1.36; p = 0.001). After angiography, the RRI significantly increased in both patients with and without WRF. In the receiver operating characteristic curve analyses for WRF, the RRI at baseline and after angiography showed similar accuracy, and the best cutoff value for predicting WRF was 70%. In patients undergoing coronary angiography, the RRI is independently associated with WRF, probably because it provides more accurate information about cardiorenal pathophysiological factors and reflects kidney hemodynamic status and flow reserve.
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