Ideal Protein is a diet that could possiblly work for you, it does not require you to
exercise . It might be worth exploring this option with your Healthcare Team to see if this would fit the bill.
I use IP and get my labs monitored and F/U with by PCP, my results have been awesome. My weightloss has been remarkably fast from 212 lbs end of June 2012 -January 31,2013 Goal weight achieved 120lbs ,rebooted lost to 106lbs.
Hope this info is helpful,Roo2