Renal Resistive Index: Not Only for Kidney Clinics.

Giustiniano, Enrico; Pugliese, Luca; Calabrò, Lorenzo; Nisi, Fulvio

Giustiniano, Enrico; Pugliese, Luca; Calabrò, Lorenzo; Nisi, Fulvio.

Giustiniano E; Department of Anesthesia and Intensive Care - IRCCS, Humanitas Clinical and Research Hospital, Milan, Italy.
Pugliese L; Department of Anesthesia and Intensive Care - IRCCS, Humanitas Clinical and Research Hospital, Milan, Italy.
Calabrò L; Department of Anesthesia and Intensive Care - IRCCS, Humanitas Clinical and Research Hospital, Milan, Italy.
Nisi F; Department of Anesthesia and Intensive Care - IRCCS, Humanitas Clinical and Research Hospital, Milan, Italy.

J Ultrasound Med ; 41(4): 1027-1030, 2022 Apr.

Article in English | MEDLINE | ID: covidwho-1293261

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.

Subject(s)

COVID-19; Ultrasonography, Doppler; Humans; Kidney; SARS-CoV-2; Vascular Resistance

Keywords

C-reactive protein; COVID-19; acute kidney injury; hemodynamics; systemic inflammatory response syndrome; ultrasounds

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Ultrasonography, Doppler / COVID-19 Type of study: Experimental Studies / Prognostic study Limits: Humans Language: English Journal: J Ultrasound Med Year: 2022 Document Type: Article Affiliation country: Jum.15775

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