0 a medical operation to remove something blocking an artery (= thick tube carrying blood from the heart) in a person who has angina --
In three patients, the tight obstruction was dilated with coronary angioplasty catheters.
Complications with balloon angioplasty were need for transfusions in two and femoral arterial compromise in two.
Aortic constriction was treated with balloon angioplasty (6), surgery then balloon angioplasty (4), or surgery alone (1).
Three of these 5 patients were redilated successfully by second balloon angioplasty.
In individual cases, nonetheless, localized stenoses appeared to be effectively dilated as evidenced by the angiographic findings after balloon angioplasty.
Balloon angioplasty (balloon diameter 15 mm) of the stenosis in the left pulmonary artery was unsuccessful.
Two patients developed transient complete heart block following balloon dilation or angioplasty of the pulmonary valve or pulmonary artery via a left subclavian venous approach.
Coronary bypass grafts have been utilized, and in rare instances, balloon coronary angioplasty and thrombolytic therapy have been attempted.
