angioplasty

/an"jee euh plas'tee/, n., pl. angioplasties. Surg.
the repair of a blood vessel, as by inserting a balloon-tipped catheter to unclog it or by replacing part of the vessel with either a piece of the patient's own tissue or a prosthetic device: coronary angioplasty to widen an artery blocked by plaque.
[ANGIO- + -PLASTY]

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Therapeutic opening of a blocked blood vessel.

Usually a balloon is inflated near the end of a catheter (see catheterization) to flatten plaques (see atherosclerosis) against an artery's wall. Performed on a coronary artery, angioplasty is a less invasive alternative to coronary bypass surgery in the treatment of coronary heart disease. Complications, including embolisms and tearing, are rare and results are excellent, but plaques tend to build up again after the procedure. Angioplasty is also used to expand a severely obstructed heart valve.

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      Therapeutic opening of a blocked blood vessel. Usually a balloon is inflated near the end of a catheter (see catheterization) to flatten plaques (see atherosclerosis (arteriosclerosis)) against an artery's wall. Performed on a coronary artery, angioplasty is a less invasive alternative to coronary bypass (coronary artery bypass) surgery in the treatment of coronary heart disease. Complications, including embolisms and tearing, are rare and results are excellent, but plaques tend to build up again after the procedure. Angioplasty is also used to expand a severely obstructed heart valve.

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Universalium. 2010.

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