percutaneous coronary intervention
Medical Definition of percutaneous coronary intervention
: balloon angioplasty of a coronary artery : percutaneous transluminal coronary angioplasty; broadly : any procedure that is performed to widen the lumen of an obstructed coronary artery and involves passing a catheter through the skin and into a blood vessel (as of the groin) to the site of obstruction so the blockage can be compressed (as by use of a balloon catheter often followed by placement of a stent) or removed (as by atherectomy)—abbreviation PCI
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