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 WASHINGTON (AP) - Connor Geddes was 13 days old when surgeons gave him a new heart that didn't match his blood type — deliberately.
Connor, now 11 months old and thriving, is one of several dozen babies around the world to have received mismatched hearts, part of a slowly growing movement to increase these tiniest patients' survival by taking advantage of a lag in their immune systems.
Now the nation's transplant network is expanding that effort, saying youngsters may be candidates for an incompatible heart up to age 2.
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