maximum brain surgeries rates in the long term survival are 50% to 70%. Except, in the cases of tumors the successful rates are very less. The chances of survivals and success are significantly changed.   Awake brain surgery has the potential for risks and complications. Its include bleeding, brain swelling , infection, brain damage or death. Other risk factors may include seizures, muscle weakness, and problems with memory and thinking. Any type of brain surgery presents a high risk to the patients because the brain controls and functions of the body. But, a craniectomy presents even more risk.  wake up after surgery:  most people wake up a few hours after their brain surgery. But, sometimes doctors decides to keep asleep for a few days after surgery, to help you recover. they use sedatives to keep you asleep while you are sleep, you might be breathing through a machine called ventilator. things to avoid after surger...