A CASE OF BOW HUNTER'S STROKE PRESENTING SYNCOPE AS AN INITIAL SYMPTOM WHILE DRJVING
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Bow Hunter's Stroke is a consequence of vertebrobasilar insufficiency as a result of mechanical occlusion or stenosis of the vertebral artery at the C1-C2 level by head rotation. It is rarely symptomatic in daily activities. We describe a case of Bow Hunter's Stroke(BHS) presenting syncope as an initial symptom while driving a car. A 59-year-old male patient suddenly lost consciousness while driving and his car dropped into a ravine 20 meters deep. On admission he was conscious, but suffering Central Cord Syndrome (CCS). We examined the cause of syncope. At the time of the accident, he turned his head to the rear in order to back his car and lost consciousness. Magnetic resonance angiography demonstrated the dominant vertebral artery (VA) in the left and the hypoplastic VA in the right. Cerebral angiography on turning the head 90 degrees to the right revealed the left VA occluded at the C1-C2 level. Therefore we diagnosed the patient with BHS. The vertigo symptom was intractable with conservative treatment, and we therefore performed C1-C2 posterior fusion. The post-operative course was uneventfu1 and he does not have the symptoms anymore. Syncope sometimes induces traffic accidents, but it is rare that BHS is detected on examination of common trauma. Therefore when vertigo, dizziness, or syncope is found in common trauma, BHS must be considered as a potential cause.
identifier:Journal of Nara Medical Association Vol.58 No.4 p.135-139
identifier:13450069
identifier:http://ginmu.naramed-u.ac.jp/dspace/handle/10564/317
identifier:Journal of Nara Medical Association, 58(4): 135-139
収録刊行物
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- Journal of Nara Medical Association
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Journal of Nara Medical Association 58 (4), 135-139, 2007-08-31
奈良医学会
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詳細情報 詳細情報について
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- CRID
- 1050001337493907968
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- NII論文ID
- 120004972929
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- NII書誌ID
- AA11252383
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- ISSN
- 13450069
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- 本文言語コード
- en
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- CiNii Articles