Clinical characteristics of ruptured distal middle cerebral artery aneurysms: Review of the literature

被引:7
作者
Tsutsumi, Keiji [1 ,2 ]
Horiuchi, Tetsuyoshi [1 ]
Nagm, Alhusain [1 ,3 ]
Toba, Yasuyuki [2 ]
Hongo, Kazuhiro [1 ]
机构
[1] Shinshu Univ, Sch Med, Dept Neurosurg, 3-1-1 Asahi, Matsumoto, Nagano 3908621, Japan
[2] Kobayashi Neurosurg Neurol Hosp, Ueda, Nagano, Japan
[3] Al Azhar Univ, Fac Med, Dept Neurosurg, Cairo, Egypt
关键词
Distal middle cerebral artery aneurysm; Subarachnoid hemorrhage; Clinical characteristics; Intracerebral hematoma; SUBARACHNOID HEMORRHAGE; DISSECTING ANEURYSM; MANAGEMENT; SCALE;
D O I
10.1016/j.jocn.2016.12.019
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Middle cerebral artery (MCA) aneurysms usually arise at the primary MCA bifurcation or trifurcation. Distal MCA aneurysms are rarely considered as sources of aneurysmal subarachnoid hemorrhage (SAH). It has been reported that ruptured distal MCA aneurysms are associated with head trauma, neoplastic emboli, arterial dissection, or bacterial infection. We experienced five cases of ruptured distal MCA aneurysms and evaluated their clinical characteristics. Retrospective analysis of aneurysmal SAH at Kobayashi Neurosurgical Neurological Hospital was performed from January, 2004 to December, 2014. Clinical characteristics of ruptured distal MCA aneurysms were analyzed using our database. Among 191 aneurysmal SAH patients, there were five ruptured distal MCA aneurysms. All patients did not have any specific medical problems such as infectious disease, head trauma, or cardiac disorders. The incidence of ruptured distal MCA aneurysm was higher than expected and was equivalent to 9.4% of the total ruptured MCA aneurysms. Strong male predominance (80%) and M2-3 junction aneurysm preponderance (80%) were observed. In addition, there were only two patients (40%) with intracerebral hematoma in our study. We reported five cases of ruptured distal MCA aneurysms. Although ruptured distal MCA aneurysms are thought to be rare as sources of aneurysmal SAH, the incidence of ruptured distal MCA aneurysm was 9.4% of all ruptured MCA aneurysms in our study. Ruptured distal MCA aneurysms should be considered as sources of aneurysmal SAH without intracerebral hematoma. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码:14 / 17
页数:4
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