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Some babies are born with hearts that have missing or malformed parts. A series of delicate operations can fix the damage and extend the lives of these children.
Some babies are born with a rare disorder in which only one of the lower chambers of their heart works properly. These single-ventricle defects (SVDs) can be managed through a complex series of operations.
Babies born with one small or malformed ventricle can be treated with a series of surgeries, but new techniques could allow doctors to begin treatment from within the womb.