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Dexamethasone as a ropivacaine adjuvant to pre‐emptive incision‐site infiltration analgesia in pediatric craniotomy patients: A prospective, multicenter, randomized, double‐blind, controlled trial
Author(s) -
Zhao Chunmei,
Zhang Nijia,
Shrestha Niti,
Liu Hongbing,
Ge Ming,
Luo Fang
Publication year - 2021
Publication title -
pediatric anesthesia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.704
H-Index - 82
eISSN - 1460-9592
pISSN - 1155-5645
DOI - 10.1111/pan.14178
Subject(s) - ropivacaine , medicine , dexamethasone , anesthesia , surgery , randomized controlled trial , craniotomy , confidence interval , adverse effect
Abstract Background Dexamethasone added to incision‐site infiltration has been routinely used to reduce pain after tonsillectomy in children. However, this has not been studied in pediatric craniotomy patients yet. We hypothesized that incision‐site infiltration with a combination of ropivacaine and dexamethasone might provide superior analgesia to ropivacaine alone in pediatric craniotomy patients. Methods In this multicenter, double‐blind, randomized, controlled trial, children aged 2–12 years, scheduled for craniotomy, were prospectively enrolled at two study centers, from September 2, 2019, to July 5, 2020. Eighty children were randomly assigned (1:1) to either ropivacaine plus dexamethasone group who received pre‐emptive incision‐site infiltration with 0.2% ropivacaine plus 0.025% dexamethasone, or ropivacaine group who received 0.2% ropivacaine alone. Primary outcome was the modified Children's Hospital of Eastern Ontario Pain Scale (mCHEOPS) at 24 h postoperatively. Primary analysis was performed using the modified intention‐to‐treat principle. Results Pre‐emptive incision‐site infiltration with ropivacaine plus dexamethasone had a reduced pain score of 2.0, compared with the pain score of 2.9 in the ropivacaine group, at 24 h postoperatively (mean difference −0.9, 95% confidence interval [CI], −1.7 to −0.2; p = .019). Estimated median of the time of first rescue analgesic demand was 24 h in the ropivacaine plus dexamethasone group and 8.5 h in the ropivacaine group [hazard ratio 0.43, 95% CI 0.24 to 0.08; Log‐rank p = .0025]. No adverse events related to incision‐site infiltration with dexamethasone were observed in this study. Discussion Dexamethsone reduces the local production of pro‐inflammatory factors after tissue damage and as a ropivacaine adjuvant for incision‐site infiltration reduced the pain scores by 31% at 24 h postoperatively. The results were similar to several prior studies on to tonsillectomy patients. However, this changes on pain scores might has limited clinical significance. Conclusions The addition of dexamethasone to ropivacaine for preoperative incision‐site infiltration has better postoperative analgesic effect than ropivacaine alone in pediatric craniotomy patients.