Mother 88 has aoric stenosis 11 yrs ago she hd quad bypass what would the best course of treatment 4 sum 1 her age she also in mid stadge of dementia?

Difficult question: This is a very complicated situation to discuss in a short-answer forum like this. If your mother has mid-stage dementia, you or another family member may have medical power of attorney for her. I suggest having this conversation with your mother's primary care physician and/or the specialists who are likely also following her. She should be involved to the extent that she can comprehend.

goals of care: People with severe aortic stenosis will have symptoms of shortness of breath possibly fainting or chest pain. A valve replacement may be an optionfor someone who is fun ctiomal enough to benefit from a serious surgery.Other options maybe transcutaneous valve replacement , a less invasive and possibly better option for individuals less functional and too frail to survive a invasive approach

Ask her doctor: For specific advice about a person there are hundreds of pieces of information one needs. Ask her treating physician about the risk, benefits and alternatives to treatments.