Document Detail

Hypertension and neurovascular compression of the left lateral medulla oblongata in ischemic stroke.
MedLine Citation:
PMID:  11528154     Owner:  NLM     Status:  MEDLINE    
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.
K Kimura; K Minematsu; K Yonemura; M Koga; M Yasaka; T Yamaguchi
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  European neurology     Volume:  46     ISSN:  0014-3022     ISO Abbreviation:  Eur. Neurol.     Publication Date:  2001  
Date Detail:
Created Date:  2001-08-30     Completed Date:  2001-12-04     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0150760     Medline TA:  Eur Neurol     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  70-4     Citation Subset:  IM    
Copyright Information:
Copyright 2001 S. Karger AG, Basel
Cerebrovascular Division, Department of Medicine, National Cardiovascular Center, 5-7-1 Fujishirodai, Osaka 565-8565, Japan.
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MeSH Terms
Cerebral Infarction / complications,  diagnosis*,  etiology
Diagnosis, Differential
Intracranial Embolism / complications,  diagnosis*,  etiology
Magnetic Resonance Imaging*
Medulla Oblongata* / pathology
Middle Aged
Nerve Compression Syndromes / complications,  diagnosis*,  etiology
Risk Factors

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