此通道是新的,仍然开发,并且仅限于少数有良好解剖状况的患者。Brock-Enbrough(Brockenbrough等,1962),后来的Mullins(Mullins,1983)用几种批判性修改来确认了跨性穿刺程序。今天,跨性穿刺和通过PFO进入都是广泛使用的心脏技术。Transseptal access is commonly employed during the following procedures: catheter ablation, pulmonary vein isolation, left atrial appendage closure, PFO and atrial septal defect repair, percutaneous mitral valvulo- plasty, MitraClip catheter-based mitral valve repair, hemodynamic assessment of the mitral valve, paravalvular leak closure, and as