ESPU Congress 2018 - Abstract Book

177 11–14 APRIL, 2018, HELSINKI, FINLAND S24: STONES 1 Moderators: Serkan Dogan (Turkey), M.S. Ansari (India) ESPU Meeting on Saturday 14, April 2018, 11:44–12:16 11:44–11:49 S24-1 (LO) ARE THE ADULT STONE SCORING SYSTEMS USEFUL TO PREDICT THE SUCCESS AND COMPLICATION RATES IN PEDIATRIC PERCUTANEOUS NEPHROLITHOTOMY? Burak CITAMAK, Berk HAZIR, Taner CEYLAN, Cenk Yucel BILEN, Hasan Serkan DOGAN and Serdar TEKGÜL Hacettepe University, Urology, Ankara, TURKEY PURPOSE To compare of 3 different scoring systems [Guy’s Stone Score (GSS), S.T.O.N.E. nephrolithometry score system and Clinical Research Office of the Endourological Society (CROES) score] which are used to predict complications and success of percutaneous nephrolithotomy (PCNL) in pediatric population. MATERIAL AND METHODS The data of 401 renal units (345 patients) which underwent PCNL between 1997–2017 were analyzed. A. Patient demographics, calculated scores for three scoring system, stone free rates, bleeding and complications without bleeding were analyzed with Mann-Whitney and chi-square test. RESULTS Male to female ratio was 236/165 and median age was 8 (1–16). For stone free patients and the remainders, the median scores of GSS were 2 (1–4) and 2 (1–4), S.T.O.N.E scores were 5 (4–9) and 6 (4–9), CROES scores were 182 (50–290) and 160 (67–281), respectively (p= 0.001, p=0.012, p<0.001). For patients with and without complications, the median scores of GSS were 2 (1–4) and 2 (1–4), S.T.O.N.E scores were 5 (4–9) and 6 (4–9), CROES scores were 240 (50–290) and 162 (67–280), respectively (p=0.009, p=0.792, p=0.004). All three scoring systems were able to predict the success. However, the risk of bleeding was predicted by only CROES system (p=0.013). S.T.O.N.E was not able to predict any kind of compli- cations where CROES and Guy’s scores were able to predict overall complication risk. CONCLUSIONS These all three scoring systems those were developed in adult patients were found to be able to predict the success also in pediatric group. GSS and CROES were found to be useful to predict overall complication where CROES was the only system to predict bleeding risk. This difference may be due to the described adult parameters and it would be better to modify the parameters for children.