Prognostic Value of FLAIR High-signal Vascular Sign-DWI Mismatch in Patients with Acute Cerebral Infarction after Thrombectomy
Objective To investigate the mismatch between the range of high-signal vascular signs on FLAIR images and the range of diffusion-weighted imaging in evaluating the prognostic value of functional outcomes after intravascular thrombectomy(EVT)in patients with acute cerebral infarction.Methods A retrospective analysis was performed on 60 patients with acute cerebral infarction who underwent intravascular thrombectomy.FLAIR,DWI,FLAIR high-signal vascular sign and DWI high-signal Mismatch(FVHS-DWI Mismatch),functional outcome(mRS),and other clinically relevant data were collected.Multiple logistic regression analysis was used to predict the functional results.Results Group with good functional results(36/60;60.0%)compared with poor functional outcome group(24/60;40.0%)had a high FVHS-DWI Mismatch(85.29%vs.45.83%;t=12.371;P<0.001).Multivariate logistic regression analysis showed that FVHS-DWI mismatch was associated with good functional outcomes Independent correlation[OR(95%Cl):0.179(0.042~0.494),P<0.001].Conclusion The use of FVHS-DWI Mismatch before EVT is helpful in predicting functional outcomes in patients with acute cerebral infarction.
Acute Cerebral InfarctionFLAIR High Signal Vascular SignCollateral CirculationDiffusion Weighted ImagingFunctional Outcome