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Large kidney stones can be removed by a surgical procedure where a small puncture is made through the back into the kidney (percutaneous nephrolithotomy or PNL) but the stones usually need to be broken into smaller pieces before they can be removed through the small surgical incision. There are a number of FDA approved devices commercially available used to break up the stones including pneumatic, ultrasonic, and a combination of the two. Each technology has advantages and disadvantages.
In the last few years there have been new, improved versions of these devices introduced. These improved versions have addressed previous issues of probes clogging or breaking and cumbersome handpiece design. These include the Cyberwand (Cybersonics, Erie, PA), a dual probe ultrasonic device, Swiss Lithoclast Select (EMS, Switzerland) combining the pneumatic and ultrasonic modalities, and a novel device by LMA (Gland, Switzerland) called the StoneBreakerTM, a portable pneumatic device powered by CO2 cartridges.
We propose to compare each of these devices in a randomized study to see if one is better than another at removing kidney stones quickly and efficiently.
Allocation: Randomized, Control: Historical Control, Intervention Model: Factorial Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment
Cyberwand, Stonebreaker, Lithoclast Select
Mayo Clinic Scottsdale
Indiana Kidney Stone Institute
Published on BioPortfolio: 2014-08-27T03:20:17-0400
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A chronic inflammatory condition of the KIDNEY resulting in diffuse renal destruction, a grossly enlarged and nonfunctioning kidney associated with NEPHROLITHIASIS and KIDNEY STONES.
Stones in the URETER that are formed in the KIDNEY. They are rarely more than 5 mm in diameter for larger renal stones cannot enter ureters. They are often lodged at the ureteral narrowing and can cause excruciating renal colic.
A non-hereditary KIDNEY disorder characterized by the abnormally dilated (ECTASIA) medullary and inner papillary portions of the collecting ducts. These collecting ducts usually contain CYSTS or DIVERTICULA filled with jelly-like material or small calculi (KIDNEY STONES) leading to infections or obstruction. It should be distinguished from congenital or hereditary POLYCYSTIC KIDNEY DISEASES.
Formation of stones in the KIDNEY.
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