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Published on: February 9, 2024
Ultrasound-Guided Femoral Nerve Blocks
1*Associate Professor of Pediatrics (Baker), Department of Pediatrics and †Associate Professor of Emergency Medicine, Co-Director of the Division of Emergency Ultrasound (Gullett), Department Emergency Medicine, University of Alabama - Birmingham, Birmingham, AL.
Insights
Ultrasound-guided femoral nerve blocks offer a safe and effective alternative to opioids for managing pediatric femur fracture pain. This technique reduces opioid reliance and adverse effects in children awaiting orthopedic treatment.
Area of Science:
- Orthopedic Surgery
- Pediatric Emergency Medicine
- Regional Anesthesia
Background:
- Pediatric acute femur fractures are common orthopedic emergencies requiring effective pain management.
- Opioid analgesia, while common, presents significant risks in children, including respiratory depression and difficult dose titration.
- Alternative pain management strategies are needed to improve safety and efficacy in pediatric fracture care.
Purpose of the Study:
- To review the current literature on ultrasound-guided femoral nerve blocks for pediatric acute femur fractures.
- To discuss the indications, anatomy, anesthetic choices, technique, and potential complications of this regional anesthesia approach.
- To highlight the role of point-of-care ultrasound in improving pain relief and reducing opioid use in pediatric orthopedic emergencies.
Main Methods:
- Systematic review of recent literature on ultrasound-guided femoral nerve blocks in pediatric patients with acute femur fractures.
- Analysis of studies focusing on indications, sonographic anatomy, anesthetic selection, block technique, and complication profiles.
- Inclusion of data relevant to point-of-care ultrasound applications in the acute care setting.
Main Results:
- Ultrasound-guided femoral nerve blocks are increasingly recognized as a reliable and safe method for pediatric analgesia.
- This technique demonstrates potential to significantly decrease the reliance on systemic opioid medications.
- Literature supports the utility and safety of these blocks in managing acute pain associated with pediatric femur fractures.
Conclusions:
- Ultrasound-guided femoral nerve blocks provide effective pain management for pediatric femur fractures, reducing opioid-related adverse effects.
- This review consolidates current knowledge, emphasizing the technique's role in acute pediatric orthopedic care.
- Competency in this procedure requires expert supervision and dedicated practice.
Abstract:
Pediatric acute femur fractures are a relatively common major orthopedic injury seen in emergency departments. Providing adequate and safe analgesia is essential while patients await definitive management of these fractures. Opioid medications are typically used to treat fracture-associated pain but have well-known adverse effects including respiratory and central nervous system depression, pruritus, nausea, and allergic reactions. Dose titration of opioids in pediatric patients may be difficult and requires frequent nursing and physician reassessments. Regional anesthesia using ultrasound guidance has been proposed as a reliable and safe method to provide pain relief for this population and to decrease reliance on opioid medications. There is a growing body of literature on the utility and safety of ultrasound-guided femoral nerve blocks for pediatric patients in the acute care setting. This review article covers recent literature on point-of-care ultrasound-guided femoral nerve blocks for pediatric patients, with a discussion of the indications, sonographic anatomy, selection of anesthetics, nerve block technique, and complications. This review supplements the expert supervision and practice required to gain competency.
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