The Australian rocker's manager Simon Lucas said the operation was carried out in a Sydney hospital about three weeks ago and was deemed a success, or at least that's what they thought.

Unfortunately, 46-year-old Stevens' condition has deteriorated and his recovery has been hampered due to some post-operative complications, primarily fluid around the heart and infection. The singer was taken to the hospital after doctors reportedly found a blockage in one of the main arteries during a routine check-up - more on this story