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  • Title: Management of upper ureteral calculi with extracorporeal shock wave lithotripsy.
    Author: Lingeman JE, Shirrell WL, Newman DM, Mosbaugh PG, Steele RE, Woods JR.
    Journal: J Urol; 1987 Oct; 138(4):720-3. PubMed ID: 3656518.
    Abstract:
    The results of 471 extracorporeal shock wave lithotripsy treatments in 465 patients with solitary ureteral stones managed by several different techniques are reported. In situ treatment was performed in 123 cases without instrumentation and in 47 after placement of a ureteral catheter. Retrograde stone manipulation was performed in 245 cases immediately before extracorporeal shock wave lithotripsy and an additional 56 were manipulated with ureteral stent placement at least 1 week before extracorporeal shock wave lithotripsy. The success rate was significantly greater if the stone was manipulated into the kidney before extracorporeal shock wave lithotripsy. Significantly less energy (p less than 0.0001) was required for complete disintegration if the stone was free floating in the kidney. The need for subsequent procedures was significantly less (p less than 0.0001) for stones manipulated successfully into the kidney. Complications were infrequent, with the most common being ureteral perforation in 5.1 per cent of the cases, all of which were managed conservatively. Extracorporeal shock wave lithotripsy is the treatment of choice for proximal ureteral calculi because it is less morbid than percutaneous approaches and provides significantly better results than ureteroscopy. An attempt at manipulation of proximal ureteral calculi back into the kidney should be made before extracorporeal shock wave lithotripsy.
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