ISSN: 0970-938X (Print) | 0976-1683 (Electronic)

Biomedical Research

An International Journal of Medical Sciences


Clinical application of magnetic susceptibility weighted imaging in treatment of collateral circulation of cerebral infarction

Objective: To investigate and discuss the clinical value of Susceptibility Weighted Imaging (SWI) in treatment of the collateral circulation of cerebral infarction.

Methods: From January 2015 December 2016, a total of 120 cases of cerebral infarction patients confirmed by the clinical and imaging diagnosis as the research objects. All patients received cranial magnetic susceptibility weighted imaging followed by the observation of brain imaging as well as vascular collateral circulation and SWI corrected phase values were compared between the patients with different degree of collateral vessels. Patients were divided into acute stage, subacute stage and stable recovery stage according to progression disease and the collateral circulation and NIHSS score was compared among the patients with different stages of progression with the correlation coefficients in between determined by way of Pearson correlation coefficient analysis.

Results: Among 120 cerebral infarction patients, there were 85 cases of patients, whose SWI images showed collateral vessels, accounting for 70.83%, including 46 cases of level 1 and 39 cases of level 2. The SWI images of remaining 35 cases did not show the collateral vessels, described as level 0 and there was significant difference in SWI corrected phase values between the patients with different degree of collateral vessels. The display rate of collateral vessels was highest firstly in the patients at acute stage, then in those at subacute stage and finally in those at stable recovery stage with the NIHSS scores from high to low respectively as acute stage, subacute stage and stable recovery stage; The analysis result of Pearson correlation coefficient showed the degree of collateral circulation vascular display was negatively correlated with the NIHSS score in the patients with cerebral infarction.

Conclusion: Magnetic susceptibility weighted imaging can accurately display the collateral circulation of the patients with cerebral infarction and can be used for the evaluation of curative effects and prognostic evaluation in treatment of the patients with cerebral infarction.

Author(s): Ting Hua, Li Li, Yu Xu
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