"It's a big deal and a potentially game-changing thing," he said. "But this is a first step, and we are far removed from Mrs. Jones having bypass [surgery] with a lab-grown blood vessel."
The need for the small-diameter blood vessels is tremendous, Green said. Many bypass patients don't have veins to use. "You can run out of appropriate veins," he said, "especially if this is a repeat operation."
The U.S. National Heart, Lung, and Blood Institute has more about coronary artery bypass grafting.
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