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Monograph: Traumatic injury to peripheral nerves
Monograph: Traumatic injury to peripheral nerves
Monograph: Traumatic injury to peripheral nerves
Abstract:
This article reviews the epidemiology, classification, localization, prognosis, and mecha-nisms of recovery of traumatic peripheral nerve injuries (PNIs). Electrodiagnostic (EDx) assessments are critical components of treating patients with PNIs. In particular, motor and sensory nerve conduction studies, needle electromyography, and other electro-physiological methods are useful for localizing peripheral nerve injuries, detecting and quantifying the degree of axon loss, and contributing toward treatment decisions as well as prognostication. It is critical that EDx medical consultants are aware of the tim-ing of these changes as well as limitations in interpretations. Mechanisms of recovery may include recovery from conduction block, muscle fiber hypertrophy, distal axonal sprouting, and axon regrowth from the site of injury. Motor recovery generally reaches a plateau at 18 to 24 months postinjury. When patients have complete or severe nerve injuries they should be referred to surgical colleagues early after injury, as outcomes are best when nerve transfers are performed within the first 3 to 6 months after onset.
ACCREDITATION STATEMENT
The AANEM is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.
DISCLOSURE INFORMATION
Dr. Robinson has no conflicts of interest to disclose.
CREDIT DESIGNATION
The AANEM designates this enduring material for a maximum of 2.0
AMA PRA Category 1 Credits
TM
. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Credit expires 12/01/2025.
Author
Lawrence R. Robinson, MD
Summary
Availability:
On-Demand
Expires on Dec 01, 2025
Cost:
Member: $0.00
Non-Member: $15.00
Credit Offered:
2 CME Credits
2 CEU Credits
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