cta vs:stent health from radation

HIn March 24,2003 smart stents 8x40 and a second  8x20  was distally installed in the  left  cia ! May 2, 2003 xray at Oakland,ca. airport for flight to spokane.wa.!The stents failed and by the time I was seen by the Spokane VA the blood preasure was normal!   The smart stents,the kissing stents and the omi-link stents have been a pain! In June 15.2008 after Xrays of the Hips area the stents had recurrent iliac occlusion.! After the xrays on the 15th my blood preasure was normal taken at the wrists and ankle.the next day I made my breakfest and taken a baby asprin and a  375mg of Naproxen!  After 2hrs at noon I had 16 oz. of coors beer!  After  a hour, I  taken my preasure,I layed down and bend over and put the  digital monitor on  my left ankle and push the switch and had the shock of my life! I could stll walk ok with smome pain ! Being a aviation inspector, I reported it accordance with the VA rules!  Everyone said this could not happen! The next day I made my breakest and every thing is the same except I used one haft of the Naproxen! After that I was not able to walk but a feel steps. The VA I hade a ABI test. I tryed to get a secount oppinion within The VA System,but just a run around.More to the case. The questions is! What well happen to the smart stents,kissing stents and omi-link stents in the cia afet a cta exam?