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Mannitol-induced diuretic renal ultrasonography: a new technique
H A Mosli1, M M Rawas, H M Farsi
1Department of Urology, King Abdulaziz University Hospital, Jeddah, Saudi Arabia.
Urology
|September 1, 1991
Summary
Mannitol-induced diuresis improves kidney stone imaging by opening the collecting system. This technique enhances ultrasound visualization for procedures like percutaneous stone extraction and extracorporeal shock-wave lithotripsy monitoring.
Area of Science:
- Nephrology
- Medical Imaging
- Urology
Background:
- Kidney stones (calculi) can obstruct the renal collecting system, hindering effective ultrasonic imaging.
- Accurate ultrasonographic visualization is crucial for guiding interventions and monitoring treatment efficacy.
Purpose of the Study:
- To introduce a novel technique for enhancing ultrasonic imaging of nonobstructed stone-bearing kidneys.
- To evaluate the utility of mannitol-induced diuresis in improving renal collecting system visualization for stone management.
Main Methods:
- Administration of mannitol to induce diuresis in patients with nonobstructed kidney stones.
- Assessment of changes in the renal collecting system and surrounding fluid using ultrasonography.
- Evaluation of image quality improvement for stone localization and monitoring.
Main Results:
- Mannitol-induced diuresis effectively opened collapsed renal collecting systems.
- Increased fluid in the renal collecting system improved ultrasonographic visualization of calculi.
- Enhanced imaging facilitates better localization for percutaneous stone extraction and monitoring during extracorporeal shock-wave lithotripsy (ESWL).
Conclusions:
- Mannitol-induced diuresis is a valuable technique for improving ultrasound imaging in nonobstructed kidney stone cases.
- This method offers significant potential for guiding percutaneous stone extraction and monitoring ESWL treatments.
- The technique provides a non-invasive approach to enhance diagnostic and procedural capabilities in urology.