Percutaneous nephrolitotomy (PCNL)is an endourological procedure for the management of patients with renal calculi. Postoperative pain around the surgical area and the nephrostomy tube can being a problem. We hypothesized that intercostal nerve block at 11th and 12th rib level would alleviate postoperative pain and reduce analgesic consumption.
Patients admitted for the removal of renal stones by PCNL will included in this study.Primary outcome measure will be analgesic (tramadol )consumption and visual analog scale (VAS).
Inclusion Criteria:
Exclusion Criteria: