• artery
  • percutaneous transluminal coronary angioplasty (PTCA) percutaneous transluminal angioplasty to enlarge the lumen of a sclerotic coronary artery (see accompanying illustration). (thefreedictionary.com)
  • an operation for enlarging the narrowed lumen of a coronary artery by inflating and withdrawing through the stenotic region a balloon on the tip of an angiographic catheter. (thefreedictionary.com)
  • It offers advantages in symptom improvement and exercise tolerance when compared with medical therapy, particularly in the short term, and is less hazardous and has a shorter recovery period than coronary artery bypass grafting (CABG). (thefreedictionary.com)
  • It is also contraindicated in people without demonstrated significant vascular obstruction, as well as in those with severe multivessel disease or more than 50% stenosis of the left main coronary artery. (thefreedictionary.com)
  • In spontaneous (carotid or coronary) artery dissection (SCAD), the layers separate and blood seeps in between the layers. (clevelandclinic.org)
  • SCAD
  • Adults with SCAD will be identified both retrospectively and prospectively.Confirmation of the diagnosis by review of coronary angiography will be required before proceeding with the informed consent process and blood or saliva sample procurement. (clinicaltrials.gov)
  • heart
  • a technique in the treatment of atherosclerotic coronary heart disease and angina pectoris in which some plaques in the arteries of the heart are flattened against the arterial walls, resulting in improved circulation. (thefreedictionary.com)