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You read a lot of the stories, and maybe your heart broke enough to scar over, but you gained the perspective to resume some kind of normality.
FORBES: The Future Is Not What It Used To Be
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The stent, a metal-mesh tube, keeps the artery from closing up again after the balloon is removed, but scar tissue can form over the metal, re-blocking the artery.
FORBES
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To remove them, doctors slide sheaths over the wires and scrape the scar tissue away, freeing the lead.
WSJ: Agonizing Choices for Heart Patients