The use of supine PNL technique for a tubeless procedure and shorter hospital stay: A comparison of supine and prone PNL procedures in 361 cases.

Objective: To compare the efficacy and safety of prone and supine percutaneous nephrolithotomy (P/SPNL) with special emphasis on tubeless (T) and totally tubeless (TT) surgery.

Material And Methods: This retrospective, single-surgeon, consecutive series comparison study involved 361 consecutive patients who under went PNL operations in either the prone or Galdakao-modified Valdivia supine positions between September 2016 and March 2020. Indication for surgery was a stone diameter greater than 2 cm.

Which treatment method should be used in pregnant patients with ureteral calculi? Two center comparative study.

Objectives: We aimed to compare ureterolithotripsy and inserting only ureteral-j stent in terms of efficiency, safety and patient comfort in treatment of ureteral calculi in pregnant patients.

Methods: Seventy patients who developed hydronephrosis due to ureteral calculi during pregnancy, and on whom endoscopic intervention was performed were included in the study. In a center, the stones were broken up by ureteroscopy, and then ureteral stents (JJ) were placed if needed.