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CT和MRI对脑梗死联合筛查的应用价值
Applicability of CT combined MRI during cerebral infarction screening
目的 探讨CT和MRI对脑梗死联合筛查中的应用价值。方法 选取2014-05至2017-07武汉市汉阳医院收治的脑梗死患者80例,均给予CT和MRI检查,比较不同检查方法在不同时间筛查脑梗死的检出及总检出情况。结果 在脑梗死总检出率和就诊<12 h检出率方面,联合检查(95.00%、93.75%)明显高于MRI检查(82.50%、75.00%),MRI检查明显高于CT检查(62.50%、50.00%),差异有统计学意义(P<0.05);在就诊12~24 h检出率方面,联合检查(95.00%)、MRI检查(85.00%)明显高于CT检查(65.00%),差异有统计学意义(P<0.05),联合检查、MRI检查基本相同,差异无统计学意义;在就诊>24 h检出率方面,联合检查、MRI检查、CT检查均为100.00%,差异无统计学意义。结论 在脑梗死筛查中,对不同就诊时间患者应合理选择检查方法,但与CT比较,MRI检查对脑梗死具有更高的筛查效能,且二者联合具有更良好的检出率,可能更适用于就诊<12 h的筛查。
Objective To explore the applicability of CT combined MRI during cerebral infarction screening.Methods Eighty patients with cerebral infarction treated between May 2014 to July 2017 in our hospital were retrospectively selected,who were subjected to CT and MRI detection.The detection rate and total detection rate of cerebral infarction by different examination methods and at different time points were compared.Results The total detection rate of cerebral infarction(95.00%) and the detection rate (93.75%) within 12 hours of treatment in the joint examination group were significantly higher than those of the MRI examination group(82.50% and 75.00% respectively)and those of CT examination(62.50%,50.00%),so the difference was statistically significant (P<0.05). The 12 to 24 h detection rates using the joint examination(95.00%)and MRI examination(85.00%) were significantly higher than that of CT examination(65.00%), and the difference was statistically significant (P<0.05).There was no statistically significant difference between the joint examination and MRI examination in the detection rate.The detection rate of the three methods 24 h after treatment was 100.00%.Conclusions In cerebral infarction screening, the examination method should be selected according to the time of treatment of the patients.MRI is more effective for screening brain infarction than CT, and their combination can produce a better detection rate.
CT / MRI / cerebral infarction / screening
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