Bridging the Gap in Peripheral Nerve Repair.

Peripheral nerve injuries following trauma present an ongoing challenge to the hand surgeon. This review presents an overview of the topic with a historical perspective. Nerve anatomy and nerve injury classifications are discussed followed by a description of the biology of nerve regeneration. Methods used to bridge gaps in peripheral nerve repair are discussed in detail with a critical appraisal of the most recent literature. Recommendations for surgical treatment are formulated based on evidence-based medicine.