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目的探讨老年脑微出血(CMBs)分布特点及相关危险因素。方法回顾性分析我院神经内科105例CMBs老年患者的临床资料,所有患者均行常规MRI检查,将可能导致CMBs发生的相关因素进行非条件logistic回归分析。结果 CMBs的检出率41.9%,额叶、颞叶、丘脑、底节区及深部白质是病灶最易发生的部位。多因素Logistic回归分析的结果显示,年龄、高血压病史、脑出血病史及脑梗死病史与CMBs的发生有着密切关系。结论随着患者年龄的逐步上升,其CMBs的检出率也逐渐增高,年龄、高血压病病史、脑出血病史及脑梗死病史是CMBs发生的主要危险因素。
Objective To investigate the distribution and related risk factors of cerebral micro-hemorrhage (CMBs) in the elderly. Methods The clinical data of 105 elderly patients with CMBs in our department of neurology were retrospectively analyzed. All patients underwent routine MRI examination, and non-conditional logistic regression analysis was performed on the related factors that may lead to the occurrence of CMBs. Results The detection rate of CMBs was 41.9%. The frontal lobe, temporal lobe, thalamus, the basal ganglia and deep white matter were the most likely sites of lesions. Multivariate Logistic regression analysis showed that age, history of hypertension, history of cerebral hemorrhage and history of cerebral infarction were closely related to the occurrence of CMBs. Conclusions With the gradual increase of patients’ age, the detection rate of CMBs also gradually increases. The age, the history of hypertension, the history of cerebral hemorrhage and the history of cerebral infarction are the main risk factors of CMBs.