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KMID : 0621520170220010049
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Journal of the Korean Society for Surgery of the Hand
2017 Volume.22 No. 1 p.49 ~ p.56
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The Fate of Anterior Interosseous Nerve Syndrome
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Yoo Myung-Jae
Ahn Hee-Chan
Seo Jae-Sung
Woo Sang-Hyun
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Abstract
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Purpose: We report the causes and prognosis of anterior interosseous nerve syndrome (AIN) according to the treatment.
Methods: From March 2009 to December 2015, the 20 patients with the clinical symptom of AIN syndrome were enrolled in the study and electromyography (EMG) of AIN was performed. We retrospectively reviewed hand function test, active range of motion, the disabilities of the arm, shoulder and hand (DASH) score and EMG during the recovery from disease. We further surveyed the time of recovery and residual symptoms.
Results: The patients with unknown cause of the disease (12 cases), heavy work or trauma (6 cases) and infection (2 cases) were investigated in the study. Thirteen out of 15 cases with conservative treatment and 2 out of 5 cases with a surgical treatment at an average of 8 months from disease were recovered. In addition, 8 cases with fine motor disturbance and 3 cases with tingling residual symptom were observed.
Conclusion: Due to the low possibility of entrapment neuropathy, conservative treatment for 7 months is the first choice rather than surgical treatment. If there is no improvement from the conservative treatment, surgical exploration of AIN is the indication of treatment. After recovery, patients may have the symptoms of fine motor disturbance and tingling.
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KEYWORD
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Anterior interosseous nerve, Neuritis, Nerve compression syndrome
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