@article{article_530419, title={Can CROES nephrolithometric nomogram predict postoperative outcomes of percutaneous nephrolithotomy?}, journal={Yeni Üroloji Dergisi}, volume={12}, pages={25–31}, year={2017}, author={Bolat, Mustafa Suat and Akdeniz, Ekrem}, keywords={CROES nomogram, Percutane- ous nephrolithotomy, Scoring system}, abstract={<p> </p> <div class="column"> <p class="p1"> <span style="line-height:1.42857;">Objectives: </span>To assess the prediction of stone clearance of percutaneous nephrolithotomy using the ‘CROES’ nephrolithometric score, and analyze complications of using modified Clavien classification system.  <br /> </p> <p class="p3">Materials and Methods: A total of 220 operated patients were included in the study. Overall patient characteristics, stone localization, stone burden, prior stone surgery, urine analysis, blood loss, operative duration, postoperative JJ stent and/or nephrostomy tube, stone-free status, and complications were analyzed. Data from each patient were scored with CROES nomogram, and the predicted stone-free rate of patients was determined. The efficacy of CROES nomogram was evaluated by comparing our results with standard CROES nomogram. Results: The average age of our patients with the mean body mass index of 26.7±3.3 kg/m2 was 45.8±15.2, and the number of our male patients was higher (60% vs 40%). 36.8% of our patients had of previous stone surgery history. Staghorn stone rate was found 12.7%, the average stone area was 452.8±213.4 mm2, and multiple stones in the same kidney was 57.3%. Our stone-free rate was found as 78.2%, and estimated chance of stone free rate was 80% according to the CROES score. The difference between estimated rate and our real success was only 1.8%.  </p> <p> </p> <p class="p4">Conclusions: CROES nomogram has been considered as a simple and easy way for prediction of SF rate prior PNL. to reach more reliable outcomes, a greater number of randomized controlled trials are needed. However, it may still deserve to be use in the daily practice because it gives an idea for success after PNL. Even though this study is a retrospective setting, our results may help to guide for clinicians..  </p> </div>}, number={2}, publisher={Ali İhsan TAŞÇI}