On a possible endogenous traumatization of brain, spinal cord, and nerve roots, Dr. Franz Schelling, EPub Ahead of Print: Aug 1, 2017

"...Clinical outlook

The addressed problems appear to have practical implications: Once the pathogenic significance of venous refluxes in direction of brain and spinal cord has been determined and is to be individually assessed, a few minimally invasive examinations (including radiographs and sonograms) would lead up to the concerned patients' plain and causal treatment which consists in the prevention of the refluxes' recurrence...."

http://www.vasculab.eu/jtavr/jtavr02/jtavr021/JTAVR000029-SchellingF/JTAVR000029-SchellingF.pdf