著者
鐙谷 武雄 七戸 秀夫 黒田 敏 石川 達哉 岩崎 喜信 小林 祥泰
出版者
一般社団法人 日本脳卒中の外科学会
雑誌
脳卒中の外科 (ISSN:09145508)
巻号頁・発行日
vol.34, no.1, pp.49-53, 2006 (Released:2008-08-08)
参考文献数
9
被引用文献数
7 7

We explored national and regional characteristics based on age, gender, and prognosis of subarachnoid hemorrhage by using the Japanese Stroke Data Bank, a data bank of acute stroke patients established to provide evidence for standardization of Japanese stroke management. We analyzed data from 1,183 patients with subarachnoid hemorrhage in the Japanese Stroke Data Bank. For regional investigation, we divided the patients into 3 groups according to their place of residence: Hokkaido, Tohoku, and the area west of Kanto. The total male-to-female ratio was 1:1.88. The female proportion was dominant in older patients: 1:2.27 in the 60s, 1:4.48 in the 70s, and 1:4.63 in the 80s. The age distribution of the patients was apparently different between male and female. Female patients (mean age: 64.5) were older than male patients (mean age: 56.1)(p In total, favorable outcome (mRS of 0-2), extremely poor outcome (mRS of 5-6), and death (mRS of 6) were 58.0%, 28.3%, and 19.8%, respectively. In a regional analysis, the outcome of the patients of the area west of Kanto was poorer than that of Hokkaido and Tohoku (p
著者
鐙谷 武雄 上山 博康 村田 純一 布村 充 蝶野 吉美 小林 延光 阿部 弘 斉藤 久寿 宮坂 和男 阿部 悟
出版者
日本脳神経外科学会
雑誌
Neurologia medico-chirurgica (ISSN:04708105)
巻号頁・発行日
vol.27, no.12, pp.1195-1200, 1987-12-15
被引用文献数
6 12

A case of dural arteriovenous malformation (AVM) in the anterior cranial fossa is reported. A 61-year-old male was hospitalized because of sudden onset of severe headache, vomiting, mild hemiparesis, and lethargy. Computerized tomography disclosed left frontal subcortical and fronto-temporal subdural hematomas. Angiography revealed an AVM in the anterior cranial fossa, fed by the bilateral anterior ethmoidal arteries and drained by the left olfactory and left fronto-orbital veins. The latter veins had large, varicose dilatations and drained to the basal vein of Rosenthal. Two weeks after artificial embolization, surgical evacuation of the hematoma and removal of anomalous vessels, including a varicose dilated vein, were carried out. The involved dura at the olfactory groove was coagulated rather than totally removed. According to literature, the dural AVM in this region is fed primarily by the anterior ethmoidal artery and drains via the leptomeningeal veins into the superior sagittal sinus. Varicose dilatation of a draining vessel is considered a characteristic angiographical finding. The high incidence of bleeding from dural AVMs in this region is related to the varicose dilatation. The drainage capacity of the elongated leptomeningeal veins is insufficient, and the high arterial pressure in the AVM leads to the development of varicose dilatation and intracranial hemorrhage.