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  • Title: Ultrasonic destruction of kidney stones.
    Author: Brannen GE, Bush WH.
    Journal: West J Med; 1984 Feb; 140(2):227-32. PubMed ID: 6730470.
    Abstract:
    Kidney stones may be removed without using a surgical incision by a combination of techniques and skills recently developed in the fields of urology and radiology. Percutaneous access to the kidney is established under fluoroscopic control. A guide wire placed into the renal pelvis allows a nephroscope to be inserted and the collecting system visualized. A long hollow metal probe is advanced through the nephroscope and placed in contact with the stone. This probe conducts the ultrasonic energy. The stone absorbs the energy and breaks into fine granules, which are evacuated by suction.Twenty-three consecutively seen patients presenting with 27 upper urinary tract calculi for which removal was indicated underwent successful percutaneous ultrasonic lithotripsy. Fifteen stones were located in the renal pelvis, eight in a calix, three at the ureteropelvic junction and one in the upper ureter. One infected staghorn calculus was removed. Two complications resulted in extended hospital stays, but in no patients were surgical incisions required. Of the 23 patients, 9 had previously had a surgical lithotomy. The authors believe that most renal and upper ureteral calculi for which removal is indicated may be extracted percutaneously with the aid of the ultrasonic lithotriptor. The patients may expect a rapid convalescence with diminished pain.
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