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首页> 外文期刊>Journal of stroke and cerebrovascular diseases: The official journal of National Stroke Association >Clinical study of medial area infarction in the region of posterior inferior cerebellar artery
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Clinical study of medial area infarction in the region of posterior inferior cerebellar artery

机译：小脑后下动脉内侧区域梗死的临床研究

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Our objective is to study the neurological characteristics of medial area infarction in the caudal cerebellum. Medial area of the caudal cerebellum is supplied with 2 branches of the posterior inferior cerebellar artery (PICA). The medial hemispheric branch of the PICA distributes to the medial area of the caudal cerebellar hemisphere. The medial branch of the PICA (mPICA) distributes to the inferior vermis. We studied the neurological characteristics of 18 patients with medial area infarction of the caudal cerebellum. The infarction was located in the medial area of the cerebellar hemisphere and vermis (medial ch/vermis) in 11 patients and in the medial area of the cerebellar hemisphere (medial ch) in 7 patients. All the 18 patients showed acute vertigo and disturbance of standing and gait at onset. On admission, the lateropulsion and wide-based gait were present in 13 patients, respectively. Mild ataxia of the extremities was shown in 7 patients. Acute vertigo and unsteadiness were prominent at onset in the 18 patients, although their ataxia of the extremities was mild or none. This result was consistent with the characteristics of medial area infarction of the caudal cerebellum. Comparing the neurological symptoms between the medial ch/vermis group and medial ch group, both lateropulsion and wide-based gait were significantly infrequent in medial ch group. This result indicated that the vermis was spared because the mPICA was not involved in the medial ch group. It is necessary to make a careful diagnosis when we encounter patients who present acute vertigo because truncal and gait ataxia are unremarkable on admission in patients with the medial area infarction of the caudal cerebellum without vermis involvement.
机译：我们的目的是研究尾小脑内侧区域梗死的神经系统特征。尾小脑内侧区域由小脑后下动脉（PICA）的2个分支提供。 PICA的内侧半球分支分布到尾小脑半球的内侧区域。 PICA（mPICA）的内侧分支分布到下ver骨。我们研究了18例小脑内侧区域梗死的神经系统特征。梗死位于小脑半球和ver的内侧区域（内侧/ ver）11例，位于小脑半球的内侧区域（内侧）（7）。 18例患者均出现急性眩晕，发作时站立和步态受到干扰。入院时，分别有13名患者出现了近搏和步态步态。 7例患者出现轻度四肢共济失调。急性眩晕和不稳定症状在18例患者中很明显，尽管他们的四肢共济失调轻微或完全没有。该结果与尾小脑内侧区域梗死的特征一致。比较内侧ch / vermis组和内侧ch组之间的神经系统症状，内侧ch组的侧冲和步态步态均很少见。此结果表明，由于mPICA不参与内侧ch组，因此保留了ver骨。当我们遇到患有急性眩晕的患者时，有必要进行仔细的诊断，因为在没有ver骨累及的小脑内侧区域梗死的患者中，入院时截短和步态共济失调并不明显。

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