He has dementia, problems understanding and seems paranoid at times. He is having difficulty with loss of control and uses me for a sounding board about everything that he thinks needs to be changed. He also has just "Failed" the test to be self medicating. He takes very few Rx meds. He says that the caregiving staff are VERY kind to him, but complains about everything else. He is in a good deal of pain has had Supartz injections and refuses more medication but is thinking about surgery now. I know he does not fully understand the risks of anesthesia, surgery and rehab and post surgery pain. I have been told that surgery at this age can increase dementia and possibly shorten his life. Please advise!