Lead signatory Mark Darowski, a children's intensive care specialist at the LGI, said if paediatric heart surgery in Leeds did end it would mean a three-fold rise in journey times for children needing urgent treatment.

BBC: Leeds General Infirmary child ops ruling 'risks lives'

His lecturer, Dr Geoff Case, had earlier met with Dr Geoff Shaw, an intensive care specialist at Christchurch Hospital, who had told him about the inherent problems in managing critically ill patients' sedative and pain relief drug dosages.

CNN: Device to save hospitals billions

The board has said it will move specialist intensive care for babies to England.

BBC: Wales