A patient remains under anaesthesia during an open-heart surgery in a cardiac surgery unit at the CHU Angers teaching hospital in Angers, western France, on October 24, 2013. The Angers hospital employs 6,000 people including 980 doctors. AFP PHOTO / JEAN-SEBASTIEN EVRARD / AFP / JEAN-SEBASTIEN EVRARD / RESTRICTED TO EDITORIAL USE - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION        (Photo credit should read JEAN-SEBASTIEN EVRARD/AFP/Getty Images)