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The anterior interosseous nerve syndrome
1Department of Orthopaedics, Rigshospitalet, University of Copenhagen, Denmark.
Journal of Hand Surgery (Edinburgh, Scotland)
|October 1, 1992
Summary
Surgical exploration is the preferred treatment for anterior interosseous nerve syndrome. Conservative management is suitable for mild cases, while tendon transfers should be delayed until at least one year post-injury if recovery is slow.
Area of Science:
- Neurology
- Orthopedic Surgery
- Nerve Syndromes
Background:
- Anterior interosseous nerve syndrome (AINS) is a condition affecting motor function.
- Diagnosis and optimal management strategies for AINS require further clarification.
Purpose of the Study:
- To evaluate the long-term outcomes of surgical exploration versus conservative management for anterior interosseous nerve syndrome.
Main Methods:
- A follow-up study of 21 cases (20 patients) with anterior interosseous nerve syndrome.
- Surgical exploration of the anterior interosseous nerve in 15 patients.
- Assessment of functional recovery and outcomes in operated and non-operated groups.
Main Results:
- Objective signs of compression were found in 9 of 15 explored nerves.
- 11 surgically treated patients showed satisfactory function; 3 underwent tendon transfer.
- Of 5 non-operated cases, 2 recovered, and 3 had persistent paralysis after 4+ years.
Conclusions:
- Surgical exploration is the recommended treatment for anterior interosseous nerve syndrome.
- Conservative treatment may be considered for patients with mild symptoms or poor health.
- Tendon transfer should be deferred for at least one year in cases with slow or unsatisfactory recovery.