Transluminal coronary angioplasty--1981. Investigative technique or established procedure?

摘要: The original clinical investigators of percutaneous transluminal coronary angioplasty (PTCA) are now into the fourth year their experience. 1-4 Since first PTCA performed by Gruntzig and co-workers 1 in Zurich, Switzerland, 1977, more than 3,500 these procedures have been attempted Europe Western hemisphere. As with most new therapies, question properly arises: When does such a technique safely move from investigative stage to responsible practice? Gruntzig, Myler, Stertzer able show an approximate 85% sustained patency rate series single-vessel cases followed up for 36 months. 5 Moreover, many patients pain free, normal results thallous chloride Tl 201 scan during exercise, angiograms 40 months after PTCA. It also seems that majority recurrences readily disposed successful second dilation,