Long-term Complications From Peripheral Nerve Blocks After Pediatric Orthopaedic Lower Extremity Procedures: A Systematic Review

Sunny M. Trivedi, Charlotte F. Wahle, Yifan V. Mao, Dimpy Wraich, Kevin G. Shea, Kesavan Sadacharam, Zachary Stinson, Matthew Ellington, Emily Niu, Brendan Williams, Neeraj Patel, Henry Ellis, Allison Crepeau, Kelly Vanderhave, Sasha Carsen, Stephanie Mayer, Andy Pennock, Curtis Vandenberg, Jennifer J. Beck*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Peripheral nerve blocks (PNBs) are frequently utilized as a regional anesthetic in pediatric orthopaedic surgery for postoperative pain control and reduced time to discharge; however, short- and long-term complications after these procedures are variably reported. Purpose: To identify the frequency of long-term complications in pediatric patients who received regional anesthesia for a lower extremity orthopaedic procedure. Study Design: Systematic review; Level of evidence, 4. Methods: A systematic literature search was performed using the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. Data were collected on pediatric patients, which included the following: block type, block location, procedure type, patient age, experimental design, and reported outcomes. Full texts were then thoroughly examined to determine whether the article made specific references to long-term (≥6 weeks) complications in pediatric patients who received PNBs. Results: A total of 158 studies were assessed for eligibility. There were 16 of 158 (10%) studies that met inclusion criteria of having a discussion on follow-up to evaluate for long-term complications (≥6 weeks) from pediatric PNBs. Of these 16 studies, 9 documented long-term complications, while 7 reported no complications. The most common complications were motor deficits, chronic pain, reduced range of motion, and neurological paresthesia. Of the 9 studies reporting long-term complications related to PNBs, 16 of 352 patients across 2 studies (5%) reported chronic pain, 45 of 466 patients across 4 studies (10%) reported strength deficits, 16 of 135 patients across 2 studies (12%) reported reduced range of motion, and 11 of 15,387 patients across 4 studies (0.07%) reported sensory deficits. Conclusion: Persistent complications occurred in pediatric orthopaedic patients undergoing lower extremity procedures with PNBs; however, reports in the current literature were rare.

Original languageEnglish (US)
JournalAmerican Journal of Sports Medicine
DOIs
StateAccepted/In press - 2025

Keywords

  • knee
  • lower extremity
  • neuromuscular
  • pediatrics

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Orthopedics and Sports Medicine

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