title: Renal pelvic decompression during ureterorenoscopy.
abstract: To prevent increasing renal pelvic pressure during ureterorenoscopy a 4F or 5F ureteral catheter can be inserted up into the renal pelvis via the working channel of the ureterorenoscope.
mesh_terms: D004322:Drainage / Q000379:methods; D004724:Endoscopy / Q000379:methods*; D006801:Humans; D007668:Kidney / Q000033:anatomy & histology; D007682:Kidney Pelvis; D007507:Therapeutic Irrigation; D014513:Ureter / Q000033:anatomy & histology; D014546:Urinary Catheterization / Q000295:instrumentation