"We're counting on the competition, " says Samin Sharma, an interventional cardiologist at Mount-Sinai Hospital in New York.

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The advent of angioplasty created a new breed: the interventional cardiologist--14, 000 of them.

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One of them is Willy Ezratty, ranked No. 1 in his age division, whose father Ari Ezratty, an interventional cardiologist, is now building a court at their home.

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Dr. Aaron Kaplan is a friend of ours, a successful interventional cardiologist and medical device entrepreneur, who talks about this challenge in market validation when he speaks in our class.

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But Samin Sharma, an interventional cardiologist at Mount Sinai Hospital who performs more than 1, 000 angioplasties a year, says the worries were affecting his practice even before the European cardiology meeting.

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King, a noted interventional cardiologist at Fuqua Heart Center in Atlanta, wrote that he was unsure patients would opt for stents if they knew the devices would not prevent heart attacks and deaths.

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King, a noted interventional cardiologist at Fuqua Heart Center in Atlanta, wrote in an editorial that he was unsure that patients would opt for stents if they knew the devices would prevent heart attacks and deaths.

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Between 5% and 10% of patients with cardiovascular problems develop clots, estimates Donald Baim, an interventional cardiologist at Brigham and Women's Hospital in Boston, who is also a scientific adviser to OmniSonics, as well as a shareholder.

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Kirk Garratt, director of research at Lenox Hill Hospital in New York and an interventional cardiologist who wasn't involved in the study, said patients who choose stents shouldn't think they're "making a dreadful mistake" about their care based on the new data.

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