ESWL Department

Extracorporeal Shock Wave Lithotripsy (ESWL) is the non-invasive treatment of kidney stones (urinary calculosis) and biliary calculi (stones in the gallbladder or in the liver) using an acoustic pulse.

ESWL is the treatment of choice under the following circumstances:
- People with just one stone, or those who have had ongoing problems with kidney stones, as long as the stones are no larger than three centimeters.
- People who may not be able to tolerate open surgery.
- People with certain health conditions, such as hypertension, breathing disorders, heart disease, and diabetes


ESWL is most effective when treating stones smaller than three centimeters. Extracorporeal lithotripsy works best with stones between 4 mm and 2 cm in diameter that are still located in the kidney. It can be used to break up stones which are located in the ureter too, but with less success. When the stone is located in the pelvic portion of the kidney, ESWL has best results with stone that is smaller than one centimeter in size. In these cases, the success rate around 90%.

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