Pain after hiatal hernia surgery

I had a laproscopic Nissan Fundiplication in October, 2009.  I healed quickly and had no surgical related problems.  But I have had major gas, bloating, lower abdominal pain and sometimes nausea since the surgery.  It gets worse after eating, particularly if I eat away from home. I was just wondering if anyone else has had the same problems and if so, what you have done for it.