Abstract:
:The aim of this study was to investigate whether the side and location of single small infarcts (< or = 3 cm) in the corona radiata (28 patients) and pontine base (36 patients) influence the incidence of contralateral upper or lower limb paresis and dysarthria. While the severity of contralateral limb paresis was not significantly different between right and left corona radiata lesions, infarcts presenting with contralateral limb paresis and/or dysarthria presented significantly more often in the left than in the right hemisphere, and left infarcts were significantly smaller than right infarcts. Lesions related to dysarthria and upper and lower limb paresis were arranged anterior-posteriorly in the paraventricular corona radiata region. Pontine base infarcts presenting with dysarthria also presented significantly more often in the left than in the right pons. Dysarthria showed a significant correlation with lesions presenting in the dorsomedial portion of the pontine base, upper limb paresis with those in the dorsomedial and dorsolateral portions, and lower limb paresis with lesions in the ventromedial portion. These results suggest greater influence of the left descending motor fibers on contralateral limb movement and articulation than of the right and face-arm-leg somatotopy of motor fibers in the paraventricular corona radiata region (anteroposterior) and in the pontine base (dorsoventral).
journal_name
Eur Neuroljournal_title
European neurologyauthors
Tohgi H,Takahashi S,Takahashi H,Tamura K,Yonezawa Hdoi
10.1159/000117290subject
Has Abstractpub_date
1996-01-01 00:00:00pages
338-42issue
6eissn
0014-3022issn
1421-9913journal_volume
36pub_type
临床试验,杂志文章abstract:INTRODUCTION:We investigated the predictive value of standard neurological evaluation, a commercially available biomarker assay and neuroimaging in the subacute phase for outcome after thrombolytic therapy in ischemic stroke. METHODS:Thirty-four consecutive ischemic stroke patients were evaluated by means of the NIH S...
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