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- W4253160490 abstract "Abstract Background Conventional Percutaneous Lithotripsy (PCNL) has been an effective, successful and easy approach for lower calyceal stones however risks of complications and nephron loss are inevitable. Our aim is to compare the efficacy and safety of PCNL, MiniPerc(MP) and UltraMiniPerc(UMP) for lower calyceal stones between 1 and 2 cm with a multicenter prospective randomized study. Methods Patients with single lower calyceal stone were enrolled. Exclusion criteria were the presence of coagulation impairments, age of <18 or >75, presence of infection or serious comorbidities. Patients were randomized in three groups; A: PCNL; B: MP; C: UMP. Patients were controlled with abdomen X-ray and computerized tomography scan after 3 months. A negative X-ray or an asymptomatic patient with stone fragments < 3 mm size were the criteria to assess the stone-free status. Patient characteristics, stone free rates (SFR)s, complications and re-treatment rates were analyzed. Results Between January 2015 and June 2018, 132 consecutive patients were enrolled. 44 patients for the Group A, 47 for Group B and 41 for Group C. The mean stone size were 16.38, 17.82 and 15.23mm respectively in Group A, B and C(p=0.34). The overall SFR was significantly higher in Group A(86.3%) and B(82.9%) as compared to Group C(78%)(p<0.05).The re-treatment rate was significantly higher in Group C(12.1%) and complication rates was higher in Group A (13.6%) as compared to others(p<0.05). Conclusions PCNL and MP were more effective than UMP to obtain a better SFR. Auxiliary and re-treatment rates were higher in UMP. On the other hand for such this kind of stones PCNL had more complications. Overall evaluation favors MP as a better indication in stones 1-2 cm size." @default.
- W4253160490 created "2022-05-12" @default.
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- W4253160490 date "2020-03-23" @default.
- W4253160490 modified "2023-10-18" @default.
- W4253160490 title "A comparison among PCNL, Miniperc and Ultraminiperc for lower calyceal stones between 1 and 2 cm: A multicenter experience" @default.
- W4253160490 doi "https://doi.org/10.21203/rs.3.rs-17249/v1" @default.
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