Surprise - I've learned my most recent disease is Agent Orange related!

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Bone death caused by failed blood supply

Not good news. I was diagnosed with avascular necrosis (AVN) last October, and yesterday learned that it frequently is associated with Agent Orange exposure. It is not on the list of illnesses automatically associated with AO by the Veterans Administration but medical experts connect the two.

AVN is bone death. Usually with AVN the blood supply fails for a major joint such as the hip, leading to bone death and eventual collapse of the structure. It can affect more than one joint and in my case, it has claimed two hips thus far but it seems my knees are okay. These are problems that can be addressed by hip replacements and the results are usually excellent. The new hip I got last Monday is working just fine!
I previously was treated with prednisone for two years by the VA, and prednisone is associated with about a third of AVN cases. There's a link there, but there is a link also made by medical experts to dioxin exposure. Dioxin can cause problems with blood supply to large bones - impaired blood supply to bones can cause AVN, and thus the necessary nexus.
It wasn't until yesterday that I discovered many cases where veterans had claims for AVN Agent Orange denied by the VA but approved when they appealed to the VA's Board of Veterans Appeals! These veterans were successful in their claims by providing several doctor's statements that dioxin exposure can result in impaired blood supply. In the BVA's finding, they summarize the doctors' letters:

 H. R., M.D., wrote the
following year that oneof the etiologies of avascular
necrosis was ischemiato the femoral head due to
angiendotheliomatosis,which is one of the causes listed on
Table 1 of the NVLSPguide.  It was noted that Agent Orange
and its componentdioxin could affect the blood vessels in
this particularpathophysiological manner.  The author
specifically concurredwith Dr. S. F. B., opining that the
veteran's exposure toAgent Orange is most likely what led to
development of theavascular necrosis of the hips.   

What does this mean for our C-123 veterans? Many of us have hip and knee problems. For our vets who are Vietnam veterans and diagnosed with AVN, I'd suggest filing an application to have your condition recognized and service-connected. For non-Vietnam veterans who flew the dixon-contaminated Provider, it means one more illness for which we can thank Agent Orange and the Air Force failure to properly decontaminate the airplanes before ordering us to fly them. If you're already diagnosed with AVN as I was, I suggest that you amend your application for benefits to include AVN and support it with your physician's letter!

Note: you may see AVN described as osteonecrosis, aseptic necrosis, ischemic necrosis or bone infarction. Pretty much all the same. Besides Agent Orange, it is also associated with heavy smoking, heavy drinking, steroids, diving, and sickle cell. Victims experience increasing pain and decreasing range of motion, eventually to the point where even resting in the prone position is painful.