Current Gaps and Future Directions in Brachial Plexus, Upper-Extremity and Lower-Extremity Nerve Injuries (Nerve
Ethan Blum1, David J Wright2, Yusha Katie Liu3
1Department of Orthopaedic Surgery, Washington University in St. Louis School of Medicine, St. Louis, MO.
Journal of Hand Surgery Global Online
|February 5, 2026
Summary
Peripheral nerve injury treatment faces challenges due to inconsistent outcomes and limited evidence. Multicenter collaborations and improved diagnostics are crucial for advancing reconstructive surgery and patient recovery.
Area of Science:
- Reconstructive Surgery
- Neurosurgery
- Biomaterials Science
Background:
- Peripheral nerve injury treatment presents significant challenges in reconstructive surgery, with inconsistent functional outcomes and a lack of high-quality evidence.
- Current diagnostic and prognostic methods for peripheral nerve injuries are limited, hindering optimal treatment decisions.
Purpose of the Study:
- To highlight the need for improved diagnostic accuracy and reproducible outcome measures in peripheral nerve injury management.
- To emphasize the necessity of collaborative research for advancing surgical techniques and patient recovery.
Main Methods:
- Review of current diagnostic modalities including history, physical examination, electrodiagnostics, and imaging.
- Analysis of existing surgical treatment strategies: neurolysis, primary repair, nerve grafting, nerve transfer, and tendon transfers.
- Evaluation of current functional outcome assessment tools and their limitations.
Main Results:
- Significant knowledge gaps persist in understanding and treating peripheral nerve injuries.
- Existing outcome measures are often subjective and lack interobserver reliability.
- Accurate intraoperative assessment of injury severity and nerve status remains difficult.
Conclusions:
- Multicenter collaborative efforts are essential to establish reproducible diagnostic criteria and consistent surgical techniques.
- Advancements in imaging, biomaterials, and basic science research are needed to improve patient outcomes.
- Aligning research with patient-centered outcomes is key to bridging the gap between surgical innovation and functional recovery.
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