Objective:Through the analysis of the clinical characteristics of acute cerebral infarction patients with concentration hyperdense middle cerebral artery sign,to investigate the relationship between middle cerebral artery high density sign and the etiology types of cerebral infarction,and the value of arterial thrombotomy in such patients.Methods: Acute middle cerebral artery occlusion cases with continuous arterial thrombotomy from January 2018 to May 2020 were collected and divided into positive group and negative group with dense middle cerebral artery high density sign.The clinical data of patients with acute the middle cerebral artery occlusion treated by mechanical thrombectomy were retrospectively analyzed.TOAST classification,the successful recanalization rate,the rate of intraoperative intervention remedies,90 d m RS score,postoperative mortality,investigate the relationship between hyperdense middle cerebral artery and brain infarction etiology classification,the relationship between relatively dense hyperdense middle cerebral artery in patients with positive and negative for treating effect.Results: A total of 108 patients with acute middle cerebral artery occlusion were enrolled,the patients were divided into concentration HMCAS group(n = 41)and non-concentration HMCAS group(n = 67),ranging from 37 to 80 years old.There was no significant statistical differences in age,gender and other basic data between the two groups.In the TOAST classification,there was statistical difference between the two groups in the data of the two types of aortic atherosclerotic stroke and cardiogenic cerebral embolism.The TOAST classification of cardiogenic embolism in the positive group of concentration middle cerebral artery high density sign was significantly higher than that in the control group.There were no significant differences in successful recanalization rate,good prognosis rate and mortality between the two groups.Conclusions: There is a significant correlation between concentration HMCAS and TOAST etiology types.The etiology types of patients with acute middle cerebral artery occlusion with positive concentration HMCAS are highly suggestive of cardiogenic embolism,while the Atherosclerotic middle cerebral artery occlusion is correlated with negative concentration HMCAS.Mechanical thrombectomy can improve the prognosis of patients with acute middle cerebral artery occlusion with positive concentration HMCAS.Patients with positive concentration HMCAS have no significant effect on thrombectomy treatment. |