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The Predictive Performance of Renal Ultrasound on Changes in Renal Clearance

Acute Kidney Injury Clinical Trial

Official title:
The Predictive Performance of Renal Ultrasonographic Perfusion Measures on Changes in Renal Clearance in Response to Fluid Therapy.

Clinical Trial Summary

The study will examine the ability of renal ultrasound (Doppler and Contrast Enhanced Ultrasound (CEUS)) in distinguishing ICU patients who exhibit increases in glomerular filtration rate (GFR) in response to fluid loading, from those for whom fluid loading is without benefit of directly harmful.

Clinical Trial Description

The study will examine the ability of renal ultrasound (Doppler and Contrast Enhanced Ultrasound (CEUS)) in distinguishing ICU patients who exhibit increases in GFR in response to fluid loading, from those for whom fluid loading is without benefit of directly harmful. Patients available for inclusion will receive a baseline administration of Tc-99-DTPA for precise determination of GFR/renal function by blood and urine samples. Baseline values of ultrasound measures will be obtained, including renal arterial, renal venous, portal venous and hepatic venous Doppler measures and renal contrast enhanced ultrasound (CEUS) will also be recorded. After two hours, baseline values of GFR are finished. The patient is then exposed to passive leg raising and ultrasound measures are repeated, including renal arterial, renal venous, portal venous and hepatic venous Doppler measures. The participant then receives a standardised fluid bolus of 7 ml/kg (ideal body weight) Once the fluid bolus administration is complete, renal ultrasound is repeated, including renal arterial, renal venous, portal venous, hepatic venous Doppler measures and renal CEUS. Follow-up determination of GFR/renal function based on Tc-99-DTPA after fluid therapy is repeated with blood and urine samples. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04198168
Study type Observational
Source Aarhus University Hospital
Contact
Status Terminated
Phase
Start date January 1, 2020
Completion date November 30, 2020
View Details
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