I would advise several opinions from GI/Motility specialist to
see if reflux is involved with your burping. They can do several
test which are not comfortable but necessary to determine if you
actually have a reflux problem or a weakened LES. The test I highly recommend is the ph/impedance study and a motility study.
After these test you will have a pretty good idea whats
going on and the treatment necessary to help you.
In my case I didn't have a lot of reflux coming up
with my burping so surgery is not recommended! However, I
do feel like I have more reflux coming up than was found
on my testing due to my bad LPR Symptoms. As for now I'm
just dealing with my symptoms the best that I can.