Hi
I'm in a very similar situation to you - my husband is also at about stage 6 with mixed dementia (vas dem & Alz)
When he just had mild cognitive impairment he was diagnosed with prostate cancer 5 years ago & was given hormone therapy prior to radiotherapy. During the time he was on hormone therapy he suffered many bad angina attacks and had 2 coronary stents fitted, then 2 months later, he had a stroke which resulted in full on dementia.
He has had no further treatment for the prostate cancer. However, the hospital now say he needs more treatment - the same hormone therapy as before. They say that the angina & stroke were nothing to do with this treatment.
My husband says he feels perfectly well and doesn't want any more doctors or hospitals 'mucking about with him' Our GP says the same - he is 80 and has enough to deal with anyway.
In view of the coincidence of the angina & stroke, I do not want him to have any more treatment - on this we are both fully agreed. So it will not happen - just leave him in peace to get on with the life he has
However, my husband's family (2nd marriage, been together 16 years, married 10) want him to have this treatment - even speaking to the consultant behind our backs.
I made an appointment for my husband to have blood tests to see if he is OK to start the treatment (to appease his family) but he refused to go to the surgery to have them.
His family say I am influencing him against their will & have not spoken to us since this all happened - just over 2 weeks ago
Life is hard enough without all this - but I will make sure that his wishes are respected & he will have no treatment
We have to do what our hearts & experience tells us is best