Would you offer peritoneal dialysis to a patient with ESKD who also has dementia but lives with family who can assist with dialysis treatments?

The key words in this question are "can assist". Change it to "WILL assist" and the answer is an unequivocal "yes". But I would not leave it optional.

Yes, we have such a patient currently in our clinic. The patient's children, grandchildren, and extended family still have great pleasure interacting with their loved one, and it seems the vice versa is also true.

The main requirements I would look at include:

1. The patient is able to cooperate with ...