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Owen Monroe was born with a deadly heart defect. Thanks to a cutting-edge surgery, now he’s starting preschool.

By Simar Bajaj

Owen Monroe was born blue. The arteries in his heart that transport blood to the lungs and the rest of the body were fused together, leaving only a single, faulty pipeline. Within a few hours, he was in end-stage heart failure, with 20 to 30 intravenous medications barely keeping him alive.