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  • Title: [Transurethral endoscopic pyelolithotripsy in combined treatment of complex forms of nephrolithiasis].
    Author: Olefir IuV, Garilevich BA, Akimenko MIu, Rodin DB, Levkovskiĭ AN.
    Journal: Urologiia; 2007; (4):15-6, 18-20. PubMed ID: 17915441.
    Abstract:
    The article presents results of retrograde endoscopic pyelolithotripsy (REP) in 75 patients with large and coral nephroliths. Retrograde contact pyelolithotripsy was made with application of Swiss Lithoclast unit, semirigid ureteroscopes R. Wolf with a cone 8-9 Ch and working channel 5.3 Ch. This enables maximal removal of the destroyed concrement by hydraulic litholapaxia with consequent insertion of the internal stent. Extracorporeal lithotripsy with low-energy shock-wave impulses was performed on demand (1-3 sessions). The stent was removed in 3-5 days in cases of complete one-stage sanation of the kidney and in 2-3 weeks in the presence of residual fragments of the nephrolith. One-stage complete sanation in coral nephrolithiasis (K1-K2) up to 5 cm3 and large concrements was achieved in 69.3% patients. Three months later residual fragments of the nephroliths were observed in 8% patients, 6 months later--in 5.3%. One year after treatment a complete sanation was achieved in 96%. Complications of the method consisted in exacerbation of chronic pyelonephritis observed in 12% cases. The control examination revealed improvement of renal function early and late after surgery. As shown by 6-year follow-up, recurrent nephroliths occurred in 6% patients. Endoscopic retrograde pyelolithotripsy can be used as a method of choice in the treatment of compound forms of nephrolithiasis in intrarenal type of the pelvis, the absence of marked extension of the caliceal-pelvic system of the kidney, in other stones resistant to extracorporeal lithotripsy.
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