My sister was fitted with a peg in the October of last year because of the problems with swallowing. She had lost a lot weight because of this and importantly was not drinking enough and getting dehydrated. In her case there was no choice because of the problems it could cause in the future if we did not go down the peg route. The procedure was straight forward . I was taught how to administer the feed and care for the peg site. The back up and suport I had from the dietician and feed company support nurse was superb because it worried me how I would cope. My sister gained weight, felt better and could still have some food and drink by mouth. Unfortunately my sister's ability to swallow has got worse so now she is going on to the continous feed system with just keeping her mouth moist. The back up is still there for me even though she is in a nursing home. I can still and are being involved in her feeding regime. It doesnt prolong life it just makes life a bit easier which is all that we can hope for with PSP.
Best of luck