American Society for Peripheral Nerve

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Direct Ulnar Nerve Repair Versus Ain to Ulnar Nerve Supercharge in High Ulnar Nerve Injuries
Gilberto Gonzalez, MD; Miguel Pirela-Cruz, MD; Emmanuel Eisenstein, MD; Nicholas Kusnezov, MD Texas Tech University Health Science Center, El Paso, TX

Introduction/Purpose: To evaluate clinical differences between standard ulnar nerve repair and standard ulnar nerve repair with AIN transfer in the setting of proximal ulnar nerve injuries.
Methods:A retrospective chart review of prospectively collected data of 30 patients in each group will be conducted.Variables to be studied include: demographics, standard surgical variables.Primary outcomes will be hand strength and function, hand sensation, number of patients to have recovery as well as time to recovery, and a functional outcome score.If data is unavailable through chart review patients will be contacted via telephone or a request for an office visit will be made.
Results: We expect that AIN supercharge will be superior to standard repair in terms of hand function.
Discussion/Conclusion:The rate of recovery after nerve injury is 1mm per day.In proximal lesions recovery time may be prolonged.During this prolonged recovery time the muscles innervated by the damaged nerve are not receiving a stimulus to continue working and thus may atrophy or may permanently lose function.AIN supercharge is a reliable technique to sustain stimulation during nerve recovery.


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