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Milestones Pioneered by Interventional Radiologists


1964 Angioplasty

1966 Embolization therapy to treat tumors and spinal cord vascular malformations by blocking the blood flow

1967 The Judkins technique of coronary angiography, the technique still most widely used around the world today

1967 Closure of the patent ductus arteriosis, a heart defect in newborns of a vascular opening between the pulmonary artery and the aorta

1967 Selective vasoconstriction infusions for hemorrhage, now commonly used for bleeding ulcers, GI bleeding and arterial bleeding

1969 The catheter-delivered stenting technique and prototype stent

1960-74 Tools for interventions such as heparinized guidewires, contrast injector, disposable catheter needles and see-through film changer

1970’s Percutaneous removal of common bile duct stones

1970’s Occlusive coils

1972 Selective arterial embolization for GI bleeding, which was adapted to treat massive bleeding in other arteries in the body and to block blood supply to tumors

1973 Embolization for pelvic trauma

1974 Selective arterial thrombolysis for arterial occlusions, now used to treat blood clots, stroke, DVT, etc.

1974 Transhepatic embolization for variceal bleeding

1977-78 Embolization technique for pulmonary arteriovenous malformations and varicoceles

1977-83 Bland- and chemo-embolization for treatment of hepatocellular cancer and disseminated liver metastases

1980 Cryoablation to freeze liver tumors

1980 Development of special tools and devices for biliary manipulation

1980’s Biliary stents to allow bile to flow from the liver saving patients from biliary bypass surgery

1981 Embolization technique for spleen trauma

1982 TIPS (transjugular intrahepatic portosystemic shunt) to improve blood flow in damaged livers from conditions such as cirrhosis and hepatitis C

1982 Dilators for interventional urology, percutaneous removal of kidney stones

1983 The balloon-expandable stent (peripheral) used today

1985 Self-expandable stents

1990 Percutaneous extraction of gallbladder stones

1990 Radiofrequency ablation (RFA) technique for liver tumors

1990’s Treatment of bone and kidney tumors by embolization

1990’s RFA for soft tissue tumors, i.e., bone, breast, kidney, lung and liver cancer

1991 Abdominal aortic stent grafts

1994 The balloon-expandable coronary stent used today

1997 Intra-arterial delivery of tumor-killing viruses and gene therapy vectors to the liver

1999 Percutaneous delivery of pancreatic islet cells to the liver for transplantation to treat diabetes

1999 Developed the endovenous laser ablation procedure to treat varicose veins and venous disease

 

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