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01121 Journal of Nara Medical Association >
Vol.58 No.4 >
Please use this identifier to cite or link to this item:
http://hdl.handle.net/10564/317
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Title: | A CASE OF BOW HUNTER'S STROKE PRESENTING SYNCOPE AS AN INITIAL SYMPTOM WHILE DRJVING |
Authors: | Takeshima, Yasuhiro Kawata, Kazumro Imanishi, Kazumi Kawaguchi, Shoichiro Tamaki, Ryo Nakase, Hiroyuki Sakaki, Toshisuke Hoshida, Tohru |
Keywords: | Bow Hunter's Stroke syncope traffic accident posterior fusion |
Issue Date: | 31-Aug-2007 |
Publisher: | 奈良医学会 奈良県立医科大学 |
Citation: | Journal of Nara Medical Association Vol.58 No.4 p.135-139 |
Abstract: | 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. |
URI: | http://hdl.handle.net/10564/317 |
ISSN: | 13450069 |
Appears in Collections: | Vol.58 No.4
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