How To Treat Severe Pain In Right Leg Post Aorta Repair?

i had aorta repair 5 years ago 10% blood flow in legs savier pain in legs at the time i am experiencing savier pain in my right leg again it woke me from my sleep this morning can you help me and could it be caused from the aorta again? the pain fells the same as it did then but in one leg i am 57 year old