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Coexisting Causes of Ischemic Stroke
Jorge Moncayo, MD;
Gérald Devuyst, MD;
Guy Van Melle, PhD;
Julien Bogousslavsky, MD
Arch Neurol. 2000;57:1139-1144.
Background Coexistence of multiple potential causes of cerebral infarct (MPCI) has been poorly studied.
Objective To determine the risk factors, clinical findings, and topographical patterns of patients with at least 2 potential causes of cerebral infarct.
Design Data analysis from a prospective acute stroke registry (the Lausanne Stroke Registry, Lausanne, Switzerland) in a community-based primary care center.
Results Among 3525 patients with first-ever ischemic stroke consecutively admitted to a primary care stroke center, 250 patients (7%) had at least 2 MPCIs, with the following subgroups: large artery disease and a cardiac source of embolism (LAD + CSE) (43%), small artery disease and CSE (SAD + CSE) (34%), LAD + SAD (18%), and LAD + SAD + CSE (5%). Hypertension, cardiac ischemia, and a history of atrial fibrillation predominated in the LAD + SAD + CSE subgroup (P<.001), while cigarette smoking was more prevalent in the LAD + SAD subgroup (P<.05). A decreased level of conciousness and speech disorders were more common in the LAD + CSE subgroup (P<.001). Lacunar syndromes predominated in the LAD + SAD subgroup. Pure motor stroke was the most frequent lacunar syndrome in all subgroups, but sensory motor stroke predominated in the LAD + CSE subgroup (P<.05). The outcome at 1 month was worse in the LAD + CSE and SAD + CSE subgroups (P<.001). Other stroke characteristics and clinical features did not differ significantly between the 4 subgroups of patients with MPCI.
Conclusions Our findings suggest that MPCIs are uncommon. The most frequent association is LAD + CSE. Topographical patterns of stroke and clinical characteristics in patients with MPCI only rarely allow emphasis of a preeminent cause.
From the Department of Neurology (Drs Moncayo, Devuyst, and Bogousslavsky), Centre Hospitalier Universitaire Vaudois, and the University Institute of Social and Preventive Medicine (Dr Van Melle), Lausanne. Switzerland. The authors have no commercial, proprietary, or financial interest in the products or companies described in this article.
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