Application Value of Magnetic Resonance Diffusion-Weighted Imaging and Arterial Spin Markers in the Diagnosis of Acute Cerebrovascular Disease

Wenyu YANG; Likun ZHOU; Yan TANG; Weiping ZHANG

doi:10.12259/j.issn.2095-610X.S20220413

Volume 43 Issue 4

Apr. 2022

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Article Navigation > Journal of Kunming Medical University > 2022 > 43(4): 70-74

Wenyu YANG, Likun ZHOU, Yan TANG, Weiping ZHANG. Application Value of Magnetic Resonance Diffusion-Weighted Imaging and Arterial Spin Markers in the Diagnosis of Acute Cerebrovascular Disease[J]. Journal of Kunming Medical University, 2022, 43(4): 70-74. doi: 10.12259/j.issn.2095-610X.S20220413

Citation:

Wenyu YANG, Likun ZHOU, Yan TANG, Weiping ZHANG. Application Value of Magnetic Resonance Diffusion-Weighted Imaging and Arterial Spin Markers in the Diagnosis of Acute Cerebrovascular Disease[J]. Journal of Kunming Medical University, 2022, 43(4): 70-74. doi: 10.12259/j.issn.2095-610X.S20220413

Citation:

Wenyu YANG, Likun ZHOU, Yan TANG, Weiping ZHANG. Application Value of Magnetic Resonance Diffusion-Weighted Imaging and Arterial Spin Markers in the Diagnosis of Acute Cerebrovascular Disease[J]. Journal of Kunming Medical University, 2022, 43(4): 70-74. doi: 10.12259/j.issn.2095-610X.S20220413

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Application Value of Magnetic Resonance Diffusion-Weighted Imaging and Arterial Spin Markers in the Diagnosis of Acute Cerebrovascular Disease

doi: 10.12259/j.issn.2095-610X.S20220413

1.
Dept .of Medical Imaging
2.
Dept. of Thrombosis，The 2nd Affiliated Hospital of Yunnan University of Traditional Chinese Medicine，Kunming Yunnan 650041，China

Received Date: 2022-01-01
Available Online: 2022-04-02
Publish Date: 2022-04-25

Abstract

Abstract

Objective To explore the value of magnetic resonance diffusion-weighted imaging （DWI） and Arterial Spin labeling （ASL） in the diagnosis of acute cerebrovascular diseases. Methods A total of 82 patients with suspected acute cerebrovascular disease admitted to the Medical Imaging Department of the Second Affiliated Hospital of Yunnan University of Traditional Chinese Medicine from July 2019 to August 2020 were selected and imaging was conducted using ASL and DWI. The apparent diffusion coefficient （ADC） values, changes of lesion signal characteristics, sensitivity and specificity of ASL and DWI were analyzed at different time points. Results In all patients, ADC values within 6 h, 6～24 h, 24～48 h and average values of the affected side were lower than those of the unaffected side, and the differences were statistically significant （P < 0.05）. There was no statistical significance in ADC values at 6 h, 6～24 h, 24～48 h in unaffected and affected sides （P > 0.05）. There were no statistically significant differences between unaffected side and affected side in 6 h, 6～24 h, 24～48 h and average ADC values （P > 0.05）. Among all patients, there were 47 patients whose CASL-PWI hypoperfusion area was larger than DWI abnormal signal area, and 32 patients whose CASL-PWI hypoperfusion area was smaller than DWI abnormal signal area, and 6 patients whose two signal changes were equal. The lesion area of DWI and PWI in patients with DWI < PWI was higher than that of DWI = PWI and DWI > PWI, and the difference was statistically significant （P < 0.05）. DWI = PWI patients’ lesion area of DWI and PWI was larger than that of DWI > PWI, and the difference was statistically significant （P < 0.05）. The sensitivity and specificity of combined examination were higher than those of DWI and spin marking alone, and the difference was statistically significant （P < 0.05）. Conclusion In the diagnosis of acute cerebrovascular disease, both diffusion weighted magnetic resonance imaging （DWI） and arterial spin labeling are effective, but it is more valuable if combined.
- Acute cerebrovascular disease,
- Diffusion weighted magnetic resonance imaging,
- Arterial spin labeling,
- Application value

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