"A Type of Interventional Radiology": A Quaint Memory from the New York Times

I recently was rifling through some old files of news clippings (you remember those pesky things, don't you?) and came across a major New York Times Magazine feature from 1983. It was titled, "Toward the Conquest of Heart Disease." Near the end of the article, the author briefly mentions something he calls "a type of interventional radiology" which has "great potential advantages but remains experimental."
Source: Burts Stent Blog : The Voice in the Ear - Category: Medical Equipment Source Type: blogs