Imaging Characteristics of Cryptogenic Strokes Related to Patent Foramen Ovale
Objective To investigate the imaging features of cryptogenic stroke related to patent foramen ovale(PFO).Methods A total of 101 patients with cryptogenic stroke were collected from 2021.03 to 2022.11 for acute ischemic stroke.According to contrast echocardiography results,51 cases were divided into PFO(+)group and 50 cases into PFO(-)group.The general clinical data and imaging characteristics between two groups were compared.Results The risk of paradoxical embolism score of PFO(+)group was higher than those of PFO(-)group(t=2.203,P=0.030).Compared with PFO(-)group,the number of cerebral infarct lesions was higher in patients with PFO(+)group(x 2=6.163,P=0.013),and the lesions were mostly＜15mm(x2=4.738,P=0.030).The distribution of infarct and vascular territory involved presented no statistical differences among two groups(both P＞0.05).Conclusion cryptogenic stroke related to PFO show more infarction and higher frequency of small lesions.
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