Renal Resistive Index: Not Only for Kidney Clinics. (2nd July 2021)

• Record Type: Journal Article
• Authors: Giustiniano, Enrico; Pugliese, Luca; Calabrò, Lorenzo; Nisi, Fulvio
• Is Part Of: Journal of ultrasound in medicine. Volume 41:Number 4(2022)
• Page Start: 1027
• Page End: 1030
• Publication Date: 2021-07-02
• Subjects: acute kidney injury -- C‐reactive protein -- COVID‐19 -- hemodynamics -- systemic inflammatory response syndrome -- ultrasounds; Ultrasonics in medicine -- Periodicals; Ultrasonics; Ultrasonography; Ultrasonics in medicine; Electronic journals; Periodicals; Periodicals; 616.07543
• DOI: 10.1002/jum.15775
• Languages: English
• ISSNs: 0278-4297

Abstract

Abstract : Renal Resistive Index (RRI) is a measurement of the resistance of the renal blood flow. A value higher than 0.70 is a marker of increased resistance and is correlated with kidney injury and its severity. Additionally, it may be associated with the mortality rate in the post‐surgery population. In COVID‐19 subjects, we found that high RRI has been associated with high levels of serum C‐reactive protein, a marker of systemic inflammatory reaction syndrome. Finally, we propose RRI not only as a marker of kidney injury, but also as a tool to evaluate the course of critical illness.