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Does hypoxia lead to elevated hemoglobin count in CCSVI? Have you had abnormally high hemoglobin levels?

Has this recent study already been posted?: Transcranial brain sonography findings predict disease progression in multiple sclerosis U. Walter MD*, S. Wagner MD, S. Horowski , R. Benecke MD, and U. K. Zettl MD From the Department of Neurology (U.W., S.H., R.B., U.K.Z.), Institute for Diagnostic and ...

radeck wrote:The caffeine in green tea (extract) is also a vasoconstrictor though.

Isn't caffeine actually a vasodilator as it contains theobromine?

Additionally, when I spoke to Dr Dake, he implied that a CT from the diaphragm to the top of the head, was less prone to operator variables than an MRV; but the radiation exposure of those do concern me a little. Are there any details available for a MRV of azygos and jugular veins like there is fo...