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Journal of the Korean Society for Surgery of the Hand 2001;10(1):7-11.
Published online May 31, 2001.
Neurologic Changes in the Donor Limb after Contralateral-C7 Transfer in Brachial Plexus Injury
Chung Soo Han, M.D., Jae Ryong Cha, M.D., Dong Jun Shin, M.D., Yang Jin Im, M.D.
상완 신경총 손상시 건측 제 7번 경추신경 전이술 후 건측 상지의 신경 변화
Purpose : To evaluate the neurologic abnormalities in the donor limb after contralateral C7 transfer in brachial plexus injury.
Materials and Methods : From August 1996 to December 1999, five patients with brachial plexus injury were treated with contralateral C7 nerve root transfer. The average follow up was 16 months(range, 5 to 36 months). The clinical findings were assessed using the British Medical Research Council Grading System, and also measured grip power, pinch power of hand and two point discrimination of the fingers.
Results : We had no difference in shoulder abduction and elbow flexion after contralateral C7 transfer. The grip and pinch strength were recovered within 4weeks. Sensory loss occurred in all patients and was noted to be more severe on index and middle finger. Four patients recovered within 2 weeks, one continued till one year. Subjective numbness and pain on percussion minimally persisted until last follow-up.
Conclusion : The division of the C7 nerve root resulted in minimal and temporary functional deficit in the donor upper limb.
Key Words: Brachial plexus injury, Neurotization

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