Intermittent perirenal instillation of bupivacaine after tubeless percutaneous nephrolithotomy under spinal anesthesia: a double-blind, placebo-controlled clinical trial.

摘要

Intermittent perirenal instillation of bupivacaine via the nephrostomy tract after PCNL decreases the need for more systemic narcotics and provides acceptable analgesia in the postoperative period.