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首页> 外文期刊>Journal of stroke and cerebrovascular diseases: The official journal of National Stroke Association >Auditory Spatial Deficits in the Early Stage of Ischemic Cerebral Stroke
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Auditory Spatial Deficits in the Early Stage of Ischemic Cerebral Stroke

机译：缺血性脑卒中早期的听觉空间缺陷

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Background: Clinical research, together with computed tomography/magnetic resonance imaging findings, proves that ischemic stroke (IS) that damages auditory pathways can cause hearing loss and impairment of higher auditory processes such as sound localization. The goal of the study was to find possible correlations between the IS risk factors, ischemic lesion volume and localization, neurologic status, and the sound localization capability in acute IS patients. Methods: We consecutively enrolled 61 IS patients into the study. The control group consisted of 60 healthy volunteers. All neuro-otological evaluations were performed up to 30 days from the incidence of stroke. All the subjects underwent the horizontal minimum audible angle test (HMAAT) and standard tonal and speech audiometric assessments. Results: HMMAT results were significantly worse in the IS patients and were present in 82.0% of the patients. There were more patients with unilateral disturbances than with bilateral ones (54.1% versus 27.9%). It was the characteristics of the ischemic lesions that correlated strongly with the sound localization deterioration, that is, their bilateral (the 90 degrees azimuth, P = .018; the 180 degrees, P = .002), multiple (the 45 degrees, P = .020; the 180 degrees, P = .007; the 225 degrees, P = .047), and lacunar character (the 90 degrees, P = .015; the 225 degrees, P = .042). Differences in the types of HMAAT results were significant for lesions in the frontal and the temporal lobe (P = .018 and P = .040). In addition, worse sound localization ability was more common in patients with poor speech discrimination and the bilateral sensorineural hearing loss. We have not found statistically significant correlations for other analyzed factors such as the cortical/subcortical character of the lesions, the patients' neurologic status, and cerebrovascular risk factors. Conclusions: Sound localization impairment is common in IS patients and it is the multiple, bilateral, and lacunar character of the ischemic lesions that seems to be strongly positively correlated with the disturbance of the sound localization ability.
机译：背景：临床研究以及计算机断层扫描/磁共振成像发现证明，损害听觉通路的缺血性中风（IS）可能会导致听力损失和高级听觉过程（例如声音定位）受损。该研究的目的是发现急性IS患者的IS危险因素，缺血性病变量和局限性，神经系统状况以及声音的局限性之间可能存在的相关性。方法：我们连续招募了61名IS患者。对照组由60名健康志愿者组成。自中风发生后最多30天进行所有神经耳科评估。所有受试者均接受水平最小可听角度测试（HMAAT）以及标准音调和语音测听评估。结果：IS患者的HMMAT结果明显较差，占82.0％。单侧障碍患者多于双侧患者（54.1％对27.9％）。缺血性病变的特征与声音局部恶化密切相关，即它们的双侧（90度方位角，P = .018; 180度，P = .002），多个（45度，P = .020; 180度，P = .007; 225度，P = .047）和腔隙特征（90度，P = .015; 225度，P = .042）。 HMAAT结果类型的差异对于额叶和颞叶病变均具有显着性（P = .018和P = .040）。此外，较差的声音定位能力在言语辨别力较差和双侧感觉神经性听力损失的患者中更为常见。我们还没有发现其他分析因素（如皮损的皮层/皮层下特征，患者的神经系统状况和脑血管危险因素）在统计学上的显着相关性。结论：声音定位障碍在IS患者中很常见，缺血性病变的多发性，双侧和腔隙性特征似乎与声音定位能力的扰动密切相关。

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