Abstract

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Title:: Diagnostic value of MRI in patients with acute cerebral infarction and the changes in apparent diffusion coefficient of infarct lesions

Author(s):: LIN Jingfu; Department of Radiology, Liuzhou Hospital of Traditional Chinese Medicine, Liuzhou 545001, China

Keywords:: ; Keywords: acute cerebral infarction; magnetic resonance imaging; apparent diffusion coefficient; infarct lesion

Abstract:: Abstract: Objective To explore the application value of magnetic resonance imaging (MRI) in the diagnosis of acute cerebral infarction. Methods Ninety-two patients with acute cerebral infarction treated in Liuzhou Hospital of Traditional Chinese Medicine from January 2017 to June 2018 were examined by CT and MRI, and the apparent diffusion coefficient (ADC) of infarct lesions and contralateral normal brain tissues were measured. Results The detection rate of cerebral infarction on MRI was 96.74%, which was significantly higher than that on CT (P<0.05). The detection rates of MRI in patients with different durations from onset of symptoms to admission (<24 h and 24-72 h) were 93.10% and 97.06%, respectively, which were significantly higher than those of CT (P<0.05). There was no significant difference in the detection rate between MRI and CT in patients with >72 h duration from onset of symptoms to admission (P>0.05). The ADC of infarct lesions in patients with different durations from onset of symptoms to admission (<24 h, 24-72 h and >72 h) were (4.47±1.23)×10-4, (4.68±1.30)×10-4 and (6.02±1.53)×10-4 mm2/s, respectively, which were significantly lower than those of contralateral brain tissues (P<0.05). Conclusion MRI has good application values in the diagnosis of acute cerebral infarction. Moreover, ADC can provide objective basis for determining the locations of infarct lesions.