Abstract

INTRODUCTION

Introduction: In this study, we aimed to compare outcomes of two different percutaneous nephrolitotomy methods in two different high volume urology clinics.

METHODS

Data of 45 patients who underwent supine PNL in Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research hospital and 45 patients who underwent prone PNL in Ankara Atatürk Training and Research hospital were evaluated retrospectively. Patients who underwent PNL for>1.5 cm renal stone and who unfit for extracorporeal shock wave lithotripsy and retrograde intrarenal surgery enrolled to this study.

RESULTS

Both groups are statistically similar in terms of age, gender, stone lateralization, stone localization, stone diameter, stone volume, renal parenchyme thickness, stone density, access localization, fluoroscopy time, bleeding, nephrostomy removal time and hospitalization time. Nephrostomy placement rate was statistically significant higher in supine PNL group (88.8% vs. 71.1%, p=0.035). Incontrast, double j stent placement rate was statistically significant higher in prone PNL group (42.2% vs. 22.2%, p=0.042). Total surgery time was shorter in supine PNL group (p=0.01). When perioperative complication rates compared, the rate of no complication was statistically higher in prone PNL group (82.2% vs. 68.9%, p=0.007).

DISCUSSION AND CONCLUSION

For treatment of kidney stones, supine and prone positions have similar stone free rates, hospitalization and bledding rates. According to prone position PNL, in supine position PNL surgery takes about 15 minutes shorter. However, complication rate is relatively higher in supine position.