BOSTON ? By the time Lauryn Tisdale was 4, she?d undergone seven open-heart surgeries, the product of being born with hypo plastic left heart syndrome (HLHS), a genetic defect in which the left side of her heart did not form correctly.
Doctors essentially bypassed the damaged side, and were hopeful young Lauryn would not have to undergo any additional open-heart procedures.
But not everything goes according to plan.
