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Effect of ultrasound-guided lumbar plexus block on emergence agitation in children undergoing hip surgery: study

Hui Zhang1, Qing Fan2, Junfeng Zhang1

  • 1Department of Anesthesiology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, No. 600, Yishan Road, Shanghai, 200233, China.

Trials
|January 9, 2019
PubMed

Insights

Ultrasound-guided lumbar plexus block may reduce emergence agitation (EA) in children undergoing hip surgery. This study investigates its effectiveness compared to fentanyl for preventing EA and improving postoperative outcomes.

Area of Science:

  • Pediatric Anesthesiology
  • Regional Anesthesia
  • Pain Management

Background:

  • Emergence agitation (EA) is a common postoperative complication in children, leading to self-injury and behavioral changes.
  • Current methods for preventing EA lack a definitive 'gold standard'.
  • Pain is a significant contributor to EA, and effective pain management is crucial.

Purpose of the Study:

  • To evaluate the efficacy of ultrasound-guided lumbar plexus block in reducing the incidence of EA in pediatric hip surgery patients.
  • To compare the effectiveness of lumbar plexus block versus fentanyl in managing EA.
  • To assess the impact of the block on postoperative pain and adverse events.

Main Methods:

  • Prospective, randomized, controlled, blinded trial involving 100 children (1-6 years) undergoing elective hip surgery.
  • Participants randomly assigned to receive either ultrasound-guided lumbar plexus block or fentanyl post-anesthesia induction.
  • Primary outcome: incidence of EA measured by the Pediatric Anesthesia Emergence Delirium (PAED) score 30 minutes after emergence.

Main Results:

  • The study aims to determine if ultrasound-guided lumbar plexus block significantly decreases EA incidence.
  • Secondary outcomes include EA severity and duration, postoperative pain scores, and adverse event rates.
  • Data collection includes pre-operative, intra-operative, and post-operative assessments.

Conclusions:

  • The hypothesis is that ultrasound-guided lumbar plexus block will reduce EA in pediatric hip surgery.
  • This trial seeks to provide clinical evidence to support or refute this hypothesis.
  • Confirmation of the hypothesis could establish a novel, safe method for preventing EA.
Abstract

Keywords:
Emergence agitationHip surgeryLumbar plexus blockPediatricsRandomized controlled trialUltrasound

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