Many people, but not all, have improvements in urgency and urinary difficulties after treatment, Lety.
My husband noticed this immediately...he had to get up several times during the night prior to venoplasty. After treatment, it was once a night, if at all. Dr. Dake explained this---
For example, it is now apparent that after endovascular therapy, certain constitutional or general symptoms common to MS patients, such as fatigue, heat intolerance, clouded cognition, urinary problems, cold distal extremities etc., respond in a tempo that ranges from hours to days rather than the usual weeks or months typically necessary to achieve full benefits and clinical stabilisation with pharmacological disease-modifying therapies.
http://www.cirse.org/files/File/cirse20 ... un_web.pdf
Urinary incontinence is quite common in those with normal pressure hydrocephalus (NPH) and slowed cerebral blood flow (called hypoperfusion). In fact, urinary incontinence, disturbed gate and cognitive problems are the top 3 symptoms of NPH. Increasing cerebral perfusion and movement of blood and cerebral spinal fluid seems to alleviate this in many who are treated for CCSVI. In fact, shunting for excess cerebral spinal fluid in NPH relieves bladder incontinence in many elderly.
http://www.jsnm.org/files/paper/anm/ams ... 1-1-06.pdf
http://jnnp.bmj.com/content/51/1/105.full.pdf
hope this helps explain how blood flow is related to the bladder--
cheer