不同部位缺血性脑白质病变对患者不同认知领域的影响  被引量:10

The impacts of white matter ischemic lesions in different regions on cognitive domains

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作  者:贾晓彧 张爱娟[2] 王琦[3] 王绍博[2] 王洪财[2] 辛艳平[1] 陈静[1] 

机构地区:[1]潍坊医学院神经科,261021 [2]潍坊市人民医院神经内二科 [3]潍坊市人民医院影像科

出  处:《中华老年医学杂志》2012年第3期211-214,共4页Chinese Journal of Geriatrics

摘  要:目的研究不同部位缺血性脑白质病变对患者不同认知领域的影响。方法选取缺血性脑白质病变的患者120例,按磁共振成像部位分为皮质下组、半卵圆中心组、脑室旁组及混合组,各30例;正常对照组30例。采用简易智能状态量表(MMSE)、蒙特利尔认知功能量表(MOCA)、物体记忆测验(FOM)、快速词汇测验(RVR)、积木测试(BD)、数字广度测试(DS)进行神经心理学测试,评价认知功能。结果皮质下组的语言表达评分(0.36±0.49)分低于对照组(1.00±0.00)分,差异有统计学意义(P=0.011);混合组RVR评分(27.00±9.22)分、与侧脑室旁组RVR评分(32.30±7.78)分比较,差异无统计学意义(P=0.067),与其他组(皮质下、半卵圆中心、对照组)(38.21±11.93)分、(35.94±9.53)分、(37.00±3.16)分比较,差异有统计学意义(F=3.462,P=0.013);混合组BD评分(21.20±9.21)分,与半卵圆中心组BD评分(25.63±12.10)分比较,差异无统计学意义(P=0.070),而与其他组(皮质下、侧脑室旁、对照组)(37.14±10.43)分、(36.80±14.27)分、(40.30±6.29)分比较,差异有统计学意义(F=7.795,P=0.000);混合组的即刻语言记忆、计算力、短程记忆、视空间与执行评分低于其他各组,差异有统计学意义(P=0.034、0.030、0.016、0.000)。各组间定向力评分差别无统计学意义(MOCA中P=0.256、MMSE中P=0.325)。结论缺血性脑白质病变的部位不同,对不同认知领域的影响不同。侧脑室旁病变对记忆力的影响、皮质下病变对语言的影响、半卵圆中心病变对图像识别与构成的影响较为明显;混合组病变受累较广泛,可造成广泛的认知功能障碍。MOCA量表有助于发现早期认知障碍的存在,较为敏感。Objective To study the impacts of white matter ischemic lesions in various regions on the different cognitive domains of the patients. Methods 120 patients with white matter ischemic lesions were divided into subcortex, semi-oval center, peri-ventricle, mixed regions according to MRI imaging (n = 30 cases for each group) . The 30 healthy control subjects were enrolled. Cognitive functions were evaluated by mini-mental status scale (MMSE), montreal cognitive assessment (MOCA), object memory test (FOM), rapid verbal retrieve (RVR), block design (BD) and digit span (DS). Results The score of language in subcortical group (0.36±0.49) was lower than in control group (1. 00±0.00) (P=0. 011). There was no significant difference in RVR scores between mixed regions group and peri-ventricle group [(27.00 ±9.22) vs. (32.30 ± 7.78) P= 0. 067], while RVR scores in mixed regions group (27.00±9.22) were increased as compared with subcortex, semi-oval center and control groups [(38.21±11.93), (35.94 ± 9.53) and (37.00 ± 3.16), respectively] (F= 3. 462,P= 0. 013). There was no difference, in BD scores between mixed regions group and semi-oval center group [(21.20±9.21) vs. (25.63±12.10), P=0.070] but the mixed group scores were decreased as compared with subcortex, peri-ventricle, control groups [(37.14±10.43), (36.80±14.27), (40.30±6.29), F= 7. 795, P = 0. 000] . The scores of immediate verbal memory, calculation, short-term memory, visual spatial ability and executive were reduced in mixed regions group than in other groups (P=0. 034,0. 030,0. 016,0. 000). There was no difference in orientation score in MOCA and MMSE among the groups (P=0. 256 and P 0. 325). Conclusions Ischemic white matter lesions may lead to cognitive impairments depending on different region lesions. The obvious impact of peri-ventricle lesion is on memory, subcortex lesion on language, semi-oval center lesion on recognition and construction of image

关 键 词:脑缺血 认知障碍 磁共振成像 

分 类 号:R743.3[医药卫生—神经病学与精神病学]

 

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