Kari you are so wonderful at answering the questions. What is it about Celiac Artery Compression Disorder that causes gastrointestinal disorders? Between the doctors telling me I had GERD, a small hiatal hernia and very mild diverticulosis over the past 18 years none of that seems to explain the constant pain I have and the fact that I do become constipated easily. And I eat a mostly vegetarian, high fiber diet. I feel so much like I am being dismissed and written off by the diagnosis of the day instead of finding out the real problem. I am so glad this page is here. Still waiting to see a vascular surgeon familiar with this problem.