Vladislav Grigoryev

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PURPOSE To investigate the usefulness of Plasticine biomodeling in surgical percutaneous management of complex renal stone. PATIENTS AND METHODS A total of 32 patients with complex renal stones (complete staghorn stones or partial staghorn stone with multiple caliceal stones) were included in this study from 2012 to 2013. Computed tomography (CT)(More)
Introduction: Flexible ureteroscopy (fURS) is an endoscopic procedure for the minimally invasive treatment of ureteral and renal calculi. Due to improvements in technique and ureteroscopic instrumentation over the past two decades, complications associated with URS are infrequent. However, in the event of an unexpected device malfunction or failure, the(More)
PURPOSE To evaluate the effect of 'Bernoulli maneuver' (bringing the access sheath to horizontal plane) on operative time and stone free rates in patients undergoing mini-percutaneous nephrolithotomy (PCNL). MATERIALS AND METHODS All consecutive patients with a solitary kidney stone undergoing a mini-PCNL between 2015 and 2016 were included into this(More)
OBJECTIVES The purpose of this study was to develop a fast, comfortable, and safe method of ureteral stent removal in women. METHODS From February 2014 to July 2015, a retrospective multicenter controlled study including 82 female outpatients was conducted. The control group was composed of 46 patients who underwent stent removal using a 22F cystoscope.(More)
For obtaining estimates of a total magnetic ux, we propose to use measurements of @I/@ obtained by a modulation method which is formally identical to Stokes V-parameter measurements. In this case the polarization is not analyzed. It is advisable to use in measurements two parts of the spectral line wing. It is well known that, in the magnetographic(More)
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