Twelve of the patients had undergone one or more balloon angioplasties to open narrowed arteries.

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During a heart attack, specialty centers can rush patients to catheterization where a cardiologist can open heart vessels with a balloon.

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What are the risks of balloon valvuloplasty or open-heart surgery?

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One big hope for Lilly and Sankyo is that prasugrel has been tested entirely in angioplasty, a procedure in which a balloon is used to open a clogged artery.

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Each year, doctors in America perform about a million angioplasty procedures, using a balloon-tipped catheter to open clogged arteries and relieve chest pain.

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Both stents are used to hold open arteries after they have been unclogged using a balloon, a procedure known as angioplasty.

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This is usually accomplished by inflating a balloon in the artery, then implanting a stent to keep the artery open.

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In three separate procedures, Dr. Shishehbor used a balloon embedded with a wire that cuts through calcified plaque and implanted two stents to prop open a small artery in Mr. Swartz's foot.

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After the balloon was deflated, the metal mesh of the stent was left in place to keep the artery open.

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Visiting Cappadocia is largely about touring: open-air museums, fairy chimneys, otherworldly rock formations, wintertime skiing, and the seemingly mandatory hot air balloon rides.

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When the balloon is inflated, the fragile bones of the passageways are permanently moved aside a millimeter or so to open up air and mucus flow.

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