Involuntary Movements Induced and Remitted by Indirect Bypass Surgery in a Patient with Moyamoya Disease


Involuntary movement is an uncommon manifestation of moyamoya disease. We describe a 12-year-old boy who suffered from involuntary movement after the first surgery but it improved dramatically after the second surgery. Initially, the patient underwent an encephalo-duro-arterio-myosynangiosis on the right side and encephalo-duro-periostealsynangiosis on the bifrontal side, which ameliorated his motor weakness in his left upper extremity. However, involuntary movement appeared in his right upper extremity. Secondly, the patient underwent encephalo-duro-arterio-myo-periostealsynangiosis on the left side. Thereafter, the patient’s involuntary movement completely resolved. The involuntary movement might occur due to the unequal distribution of the blood flow in the basal ganglia.

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T. Yanagawa, T. Horiuchi, Y. Hara, Y. Fujii and K. Hongo, "Involuntary Movements Induced and Remitted by Indirect Bypass Surgery in a Patient with Moyamoya Disease," Open Journal of Modern Neurosurgery, Vol. 2 No. 4, 2012, pp. 71-74. doi: 10.4236/ojmn.2012.24015.

Conflicts of Interest

The authors declare no conflicts of interest.


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