Yes I have, when I was first admited when I had my crisis in April of 2015 IVIG was my first treatment, I was infused for 3 consecutive days which if I remember right took around 8 hours each day, I was in really bad shape their main concern was my breathing, my lungs we're really affected and could barely speak nor swallow so they said that IVIG was the quickest and easiest to try to get me stable as quickly as possible compared to PLASMAPHERIES which is a more complicated procedure...

Click on link bellow;
Plasmapheresis | Definition & Patient Education