Unusual. Really unusual. This will depend on the artery that is involved with the disease, for example if renal arteries are involved the patient can developed severe high blood pressure and possible renal failure which can lead to death.
It can be. This large vessel vasculitis can have very severe complications, even fatal ones if it is not aggressively treated.
Vasculitis. Takayasu arteritis is a inflammatory condition of the large arterial vessels emerging from your heart (the aorta and branching vessels). It is unknown what the etiology is, although it is pretty clear the immune system drives this process (especially il-6). Main initial symptoms are vague (fatigue, low-grade fever) but as it progresses, the lightheadedness and a cold arm from reduced blood flow.
Unknown. The cause of it is idiopathic or really unknown cause.
Steroids or surgery. Prednisone/ steroids are the main way of treatment. Some patients will require open bypass surgery in case of steroid resistance. Causes are idiopathic or unknown. It is an autoimmune disease affecting the wall of large blood vessels causing narrowing by fibrosis.
Yes. They should be no problems with air travel.
Yes. This a form of vasculitis generally sen in younger individuals in their 20s or 30 s with varied symptoms. It generally involves the largest blood vessels especially the aorta and can cause significant problems of lack of blood flow to brain and other major organs. Also notables are symptoms of fatigue and possible fever. Need immediate attention and treatment often with high dose steroid drugs or.
Steroids or surgery. Prednisone/ steroids are the main way of treatment. Some patients will require open bypass surgery in case of steroid resistance.
Form of vasculits. Takayasu arteritis is an autoimmune disease that "attacks" the larger arteries leading to inflammation and blockage of blood flow. It affects typically females age 20's-30's and has some ethnic distribution in people of middle eastern and Asian descent. Symptoms are varied but the blockage of blood flow leads to possible internal organ damage or limb injury.