LOOK FOR ANSWERS ON A GOOGLE SEARCH. I HAVE A FRIEND THAT HAS GROWN NEW VEINS THAT BY PASSED A BLOCKAGE BUT I HEARD THAT HAPPENS AS YOU GET OLDER. ASK YOUR DOCTOR TO EXPLAIN. THERE IS ALSO A DRUG THAT THEY GAVE MY FRIEND THAT HELPS MAKE NEW VEINS TO REROUTE BLOOD FLOW TO NEEDED AREAS. I HOPE THIS HELPS . GOOD LUCK