Objective:To evaluate the feasibility of transcatheter closure of patent foramen ovale(PFO)to prevent paradoxical embolism with Amplatzer occluder device.
目的：经导管封堵卵圆孔未闭（PFO）预防脑的矛盾栓塞并评价其疗效。
Objective:To evaluate the feasibility of transcatheter closure of patent foramen ovale(PFO)to prevent paradoxical embolism with Amplatzer occluder device.
目的：经导管封堵卵圆孔未闭（PFO）预防脑的矛盾栓塞并评价其疗效。
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