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Journal of Korean Neurosurgical Society > Volume 50(3); 2011 > Article
Journal of Korean Neurosurgical Society 2011;50(3): 256-259.
doi: https://doi.org/10.3340/jkns.2011.50.3.256
Unpredictable Postoperative Global Cerebral Infarction in the Patient of Williams Syndrome Accompanying Moyamoya Disease.
Yang Won Sim, Mou Seop Lee, Young Gyu Kim, Dong Ho Kim
Department of Neurosurgery, Chungbuk National University College of Medicine, Chungbuk, Korea. mslee@chungbuk.ac.kr
ABSTRACT
We report a rare case of Williams syndrome accompanying moyamoya disease in whom postoperative global cerebral infarction occurred unpredictably. Williams syndrome is an uncommon hereditary disorder associated with the connective tissue abnormalities and cardiovascular disease. To our knowledge, our case report is the second case of Williams syndrome accompanying moyamoya disease. A 9-year-old boy was presented with right hemiparesis after second operation for coarctation of aorta. He was diagnosed as having Williams syndrome at the age of 1 year. Brain MRI showed left cerebral cortical infarction, and angiography showed severe stenosis of bilateral internal carotid arteries and moyamoya vessels. To reduce the risk of furthermore cerebral infarction, we performed indirect anastomosis successfully. Postoperatively, the patient recovered well, but at postoperative third day, without any unusual predictive abnormal findings the patient's pupils were suddenly dilated. Brain CT showed the global cerebral infarction. Despite of vigorous treatment, the patient was not recovered and fell in brain death one week later. We suggest that in this kind of labile patient with Williams syndrome accompanying moyamoya disease, postoperative sedation should be done with more thorough strict patient monitoring than usual moyamoya patients. Also, we should decide the revascularization surgery more cautiously than usual moyamoya disease. The possibility of unpredictable postoperative ischemic complication should be kept in mind.
Key Words: Moyamoya disease; Williams syndrome; Postoperative infarction; Ischemic complication
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