Abstract
Prospective comparative multicenter study of suctioning MPCNL with the aid of a patented system, traditional MPCNL and ureteroscopy in treating impacted upper ureteral stones
Highlights
Impacted ureteral stones usually refer to ureteral stones located in a same place for more than 2 months, or stones that prevent the passage of a guidewire or a ureteral catheter [1, 2]
A significantly shorter operative time, greater rate of stone clearance, lower need for postoperative shock wave lithotripsy, and lower rate of postoperative fever was found in group 1 and group 2 compared to group 3 (p
PMPCNL group was superior to minimally invasive PCNL (MPCNL) group in terms of operation time, incidence of postoperative fever, and stone-free rate by one surgery
Summary
Impacted ureteral stones usually refer to ureteral stones located in a same place for more than 2 months, or stones that prevent the passage of a guidewire or a ureteral catheter [1, 2]. In order to increase the efficacy of stone clearance, we invented a patented system (patent number ZL200820137434.6) with suctioning ability to facilitate minimally invasive PCNL (PMPCNL). This system was found to be very effective in clearing kidney stones in a previous study we conducted, compared to standard tract PCNL [4]. We designed this current study to compare the outcome of PMPCNL versus traditional minimally invasive PCNL (MPCNL) versus URS, sought to find an effective and safe method in treating the impacted upper ureteral stones
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