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Purpose Percutaneous nephrolithotomy (PNL) can be performed in a number of different positions. Our aim was to evaluate the convenience and advantages of the supine position following the transition from the prone to the supine position. Materials and Method 94 patients undergoing supine PNL (group 1) and 93 patients undergoing prone PNL (group 2) were retrospectively reviewed and included in the study. Patients who underwent mini-PNL (mPNL) were selected from group 1 and group 2 and divided into Group-1A supine mPNL patients (77) and Group-2A prone mPNL patients (53). Demographic characteristics, operative data and post-operative parameters were compared between these groups. Results The operation time was 74.4 ± 21.9 minutes (min) in group-1A and 79.2 ± 19.8 min in group-2A (p: 0.076). The median value of fluoroscopy time was 30 seconds (sec) in group-1A and 40 sec in group-2A (p: 0.003). In group 1A, 59 patients had no intraoperative double-J stent (DJS) insertion and 18 patients had DJS insertion, while in group 2A, 24 patients had no DJS insertion and 29 patients had DJS insertion (p: ). mPNL was performed in 81.9% of patients in the supine position and 57% in the prone position. This difference was statistically significant (p:). No significant difference was found with regard to the success rate and the complications of mPNL. Conclusions Fluoroscopy time is shorter in the supine position. Moreover, the insertion rates of DJS are low. With increasing experience, we have found that our standard PNL (sPNL) rate is gradually decreasing and more mPNL is being performed. |
