Objective: To observe the effects of ropivacain peritubal infiltration in reducing postoperative pain and analgesic requirements postoperatively in patients underwent percutaneous nephrolithotomy (PNL). Material & method: Double blind randomized controlled trial on 32 patients with renal stone who underwent PNL at Soetomo General Hospital Surabaya from February until August 2017, divided into 2 groups. Experimental group (A) who received peritubal infiltration of ropivacain pre-operative, and control (placebo) group (B) Evaluation using Wong Baker pain score 2 hour post operation, time from operation until first rescue analgesia, and total analgesia given in first 24 hours. Result: Mean age was 51.81 ± 9.13 and 49.31 ± 10.53 years in group A and B respectively. Mean operation time 49.31 ± 10.53 and 89.69 ± 17.74 hours in group A and B respectively. There was no significant difference in stone complexity, nephrostomy placement and stenting between two groups. There was no significant difference of Wong Baker pain score 2 hours post operation between group A and B (p 0.72). There was no significant difference in total analgesia in the first 24 hours between group A and B (p 0.48). The time of first rescue analgesia demand was significantly longer in the experimental group (p 0.00). Conclusion: Peritubal infiltration of ropivacain in percutaneous nephrolitholapaxy is safe and effective to prolong the need of first rescue analgesia in post operative pain management which result in patients convenience.
Percutaneous nephrolitholapaxy, ropivacaine, renal stone, postoperative pain
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