弥散张量成像在评价青年脑卒中后失语症预后中的作用
摘要
<正>弥散张量成像(DTI)作为近年来新出现的磁共振影像技术,在大脑白质纤维的分析成像中具有极大优势。进行DTI检测的患者无需执行特定语言任务,即使患者意识障碍也不受影响,因此,越来越多地被应用于失语症的研究。在DTI的各项指标中,各向异性分数(FA)能够反映白质纤维束的完整性而被广泛使用。其随着脑白质组织的增加而升高,随神经通路的不完整性而降低[1]。本研究分析来自2017年3月至2018年3月入我院神经内科的9例青年脑卒中失语症患者、9例不伴失语脑卒中对照者的各项指标,通过测定各组患者
引文
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[2] Wang J,Marchina S,Norton AC,et al. Predicting speech fluency and naming abilities in aphasic patients[J]. Front Hum Neurosci,2013,7:831.
[3] Breier JI,Juranek J,Papanicolaou AC. Changes in maps of language function and the integrity of the arcuate fasciculus after therapy for chronic aphasia[J]. Neurocase,2011,17(6):506-517.
[4] Nunnari D,Bonanno L,Bramanti P,et al. Diffusion tensor imaging and neuropsychologic assessment in aphasic stroke[J]. J Stroke Cerebrovasc Dis,2014,23(10):e477-e478.
[5] Schlaug G,Marchina S,Norton A. Evidence for plasticity in white-matter tracts of patients with chronic Broca′s aphasia un dergoing intense intonation-based speech therapy[J]. Ann N Y Acad Sci,2009,1169(1):385-394.
[6] Khatonabadi AR,Kaviani S,Nakhostinansari N,et al. The effects of intensive language therapy in aphasic patients[J]. Iran J Neurol,2017,16(1):43-44.