Chronic pain since surgery

In 2013 I was diagnosed with severe osteoarthritis of the left hip which was a result of a childhood injury. I received a left total hip replacement the same year which led to continuing pain in the hip area. In 2014, after numerous consultations with specialists and more than a dozen X-rays it was discovered the cup of the implant was loose and I had another left partial hip replacement. Since the second surgery I have suffered from a continuation of the chronic pain in the hip as well as nerve pain (iliopsoas impingement) and other nerve damage which causes constant and at times severe burning down my thigh to the knee. My leg also shortened by 2" due to the surgeries. I am now unable to walk more than a few painful steps and am  reliant on crutches or a wheelchair to get around.