Objective:To evaluate the feasibility of transcatheter closure of patent foramen ovale(PFO)to prevent paradoxicalembolism 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。
2
Most studies have shown that paradoxicalembolism is the principal mechanism for stroke in patients with ASA.