[I also have Carpal Tunnel which I am having surgery for. But the PN seems to be affecting my hands.]

You might want to read on our Thoracic outlet syndrome {TOS} forum, just to check it out for your hand symptoms -
our TOS forum link
http://neurotalk.psychcentral.com/forum24.html

some info sites about TOS
TOS info:
http://www.medifocushealth.com/RT017/index.php
http://www.nismat.org/ptcor/thoracic_outlet/
http://tos-syndrome.com/newpage12.htm
http://tos-syndrome.com
http://www.doctorellis.com