急性脑梗死的梗死容积与预后的相关性研究

【目的】探讨弥散加权成像（DWI）显示的急性脑梗死的梗死容积对预后的预测价值。【方法】选择脑梗死病人49例作为研究对象。依据发病至磁共振成像（MRI）检查时间，分为：超急性期（≤6h）15例，急性期（7～72h）18例，亚急性期（4～14d）16例。使用GE signa Highspeed MR／i 1．5T超导MRI仪。获取DWI显示的脑梗死的容积。脑梗死病人三个月时的临床预后评分，使用改良爱丁堡-斯堪的那维亚卒中量表（FSSS）和Bathel指数（BI）进行评定。统计分析方法使用直线相关分析。【结果】在超急性期、急性期及亚急性期，DWI显示的梗死容积与KSSS和BI显著相关（P〈0．01）。【结论】DWI显示的急性脑梗死的梗死容积可作为判断预后的指标。

Studis on the relationship between cerebral infarction volume imaged by diffusion weighted imaging and cerebral infarct outcome

Objective] to study the predictive value of cerebral infarction volume imaged by diffusion weighted imaging （DWI） in cerebral infarct outcome. Methods] A total of 49 patients with recent cerebral infarction were enrolled in this study, including 15 patients superacutely （ ≤6 h）, 18 acutely （7- 72 h） amd 16 subacutely （4- 14 d）. DWI were obtained on a GE sigma highspeed MR/i 1.5T superconductive MRI system. The outcomes were measured by ESSS and BI three months after infarction, for statistic were analysis used Linear regression and multiple linear regression. Results] In superacute, acute and subacute stage, the infarct volume imaged by DWI were significently correlated to ESSS and BI. Conclusions] Cerebral infarct volume can be used as a predictive factor for the stroke outcome.