Ivan Hollingsworth's son Seb is a heart patient at Newcastle's Freeman Hospital.
Mr Hollingsworth has campaigned vigorously for the unit in Newcastle to remain open, but told ITV News that the focus should be on the children who desperately need the heart services rather than whether it is Leeds or Newcastle who keep their unit.
Children's heart surgery is set to resume at Leeds General Infirmary after days of uncertainty over its future.
A health expert from the North East says an argument about the future of children's heart services in our region has wasted time and money.
The Children's Heart Federation says the interests of management at the LGI have been "put ahead of critically ill children".