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Updated: Jun 18, 2026
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Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition
Published on: June 21, 2024
Can focused US with a diagnostic US contrast agent favorably affect renal function?
1Division of Nephrology, Virginia Commonwealth University Health System, Box 980160, MCV Station, Richmond, VA 23298-0160, USA. dsica@mcvh-vcu.edu
Radiology
|December 3, 2009
Summary
Focused ultrasound and microbubble contrast agents can temporarily boost glomerular filtration rate in rabbits. However, this method currently has limited use for abnormal kidney conditions.
Area of Science:
- Nephrology
- Medical Imaging
- Physiology
Background:
- Glomerular filtration rate (GFR) is a key indicator of kidney function.
- Altering glomerular sieving properties could offer novel therapeutic approaches.
- Non-invasive methods for modulating renal hemodynamics are of significant interest.
Purpose of the Study:
- To investigate the effects of focused ultrasonography (US) with microbubble contrast agents on GFR.
- To assess the impact on glomerular sieving properties in a normal kidney model.
Main Methods:
- Focused ultrasonography was applied simultaneously with US microbubble contrast agent administration.
- The study was conducted in normal rabbits to evaluate acute physiological changes.
Main Results:
- Transient increase in glomerular filtration rate was observed.
- Alterations in the sieving properties of glomeruli were detected.
- The technique demonstrated temporary efficacy in healthy subjects.
Conclusions:
- Focused ultrasonography with microbubbles can acutely modulate kidney function in normal rabbits.
- Current limitations exist for application in patients with abnormal renal function.
- Further research is needed to explore potential therapeutic applications for renal diseases.
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