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Is Ultrasound-Guided Single-Shot Quadratus Lumborum Block a Viable Alternative to a Caudal Block in Pediatric Urological Surgery?Funding None.
Objective To review our experience with quadratus lumborum block (QLB) in pediatric urology.
Materials and Methods This mixed prospective-retrospective study included 41 patients who received QLB following induction of general anesthesia. Data collected included: the duration of block induction, surgery, hospitalization, postoperative pain score, and the use of rescue analgesia. The results were compared with a matched cohort of patients who received caudal block (CB) during similar surgeries from our retrospectively acquired data registry.
Results There was no difference between the type and length of surgery, weight, sex, and age of the patients between the two groups. The duration of block induction was significantly shorter in the CB group compared with the QLB group (35.6 ± 14.6 vs. 239 ± 33.4 seconds [p < 0.0001]). There was no difference between the groups in pain scores at 1, 4, and 24 hours postoperatively, in the time to first rescue analgesia, or in the postoperative opioid requirements. However, the QLB group required more rescue analgesia compared with CB group (p = 0.016). Finally, no differences were found in the use of rescue analgesics at home, pain record behavior, and overall satisfaction.
Conclusion Our data show that QLB might serve as a viable alternative to CB in pediatric urological surgery.
Keywordsultrasound-guided single-shot quadratus lumborum block - pediatric population - caudal block
Received: 08 August 2020
Accepted: 25 November 2020
10 January 2021 (online)
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