Hypertension and neurovascular compression of the left lateral medulla oblongata in ischemic stroke

被引:7
|
作者
Kimura, K [1 ]
Minematsu, K [1 ]
Yonemura, K [1 ]
Koga, M [1 ]
Yasaka, M [1 ]
Yamaguchi, T [1 ]
机构
[1] Natl Cardiovasc Ctr, Dept Med, Cerebrovasc Div, Osaka 5658565, Japan
关键词
hypertension; neurovascular compression; medulla oblongata; ischemic stroke; magnetic resonance imaging;
D O I
10.1159/000050766
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Hypertension is a major risk factor for stroke. Neurovascular compression (NC) of the left ventrolateral medulla oblongata may cause arterial hypertension. We evaluated the relationship between the two ischemic stroke patients. We classified 69 patients under 50 years old (49 men and 20 women, aged 43.6 +/- 7.3 years) based on magnetic resonance imaging findings as follows: NC patients (n = 38; 10 with NC on the right side, 18 with NC on the left side, and 10 with NC on both sides) and non-NC patients (n = 31). We compared the following clinical characteristics between the two groups: (1) risk factors for stroke, including hypertension, diabetes mellitus, hypercholesterolemia, and smoking and (2) stroke subtype. Hypertension was more frequent in the NC group than in the non-NC group (58 vs. 19%, p = 0.001). Hypertension was more frequent in patients with left-side NC than in those with right-side NC (78 vs. 20%, p = 0.005). No other differences were observed between the two groups. Twelve patients presented with atherothrombotic stroke, 16 with cardioembolic stroke, 24 with lacunar stroke and 17 with stroke of miscellaneous etiology. NC was significantly more common in patients with lacunar stroke as compared with those affected by other stroke subtypes (p = 0.015). We found a significant relationship between hypertension and NC of the ventrolateral medulla oblongata on the left side in ischemic stroke patients younger than 50 years of age. Some patients with lacunar stroke may have hyptertension related to NC. Copyright (C) 2001 S. Karger AG, Basel.
引用
收藏
页码:70 / 74
页数:5
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