And in Siena, Italy, researchers find that pwMS have abnormal venous return. More blood travels through veins when MS patients are upright than in normals...and they had reduced venous blood flow when supine. This was the exact opposite of the normal controls.


Quantitative ColourDopplerSonography Evaluation of Cerebral Venous Outflow: A Comparative Study betw
www.ncbi.nlm.nih.gov
Hojnacki D, Zamboni P, Lopez-Soriano A, Galleotti R, Menegatti E, Weinstock-Guttman B, Schirda C, Magnano C, Malagoni AM, Kennedy C, et al. Int Angiol. 2010 Apr; 29(2):127-39.