Youngest open heart surgery patient
Who
Tucker Roussin
Where
United States (Philadelphia)
When

The youngest open heart surgery patient is Tucker Roussin (USA, b. 9 May 2013), who's mother Katie Rice was at 24 weeks gestation when they had the operation, in Philadelphia, Pennsylvania, USA, in February 2013.

Tucker went on to be carried to 37 weeks gestation and has had no more problems with his heart.