I'm so glad you've joined us! I also found this forum as I was contemplating surgery. It is a scary proposition--especially with all the negative posts that you can find online. I was turned away from surgery many times because unlike you, most of my numbers were within the "normal" range. Even the surgeon had concerns that my DeMeester score was 14.8, which is just on the borderline. My PCP and asthma doctors both pushed me toward surgery, as my asthma was greatly affected. Finally the GI doc told me I could go either way--medication or surgery (I don't think he wanted me to come back at him if it didn't work.)
I had the surgery in February 2009, and never looked back. It took 2 and a half months for my lungs to improve, but improve they did.
I would never go back to what I was like before surgery. I never had the horrible reflux that most Nissen patients have before surgery, but my lungs were in terrible shape. I was also on unhealthy doses of steroids, and that didn't even work. I was even hospitalized due to GERD-induced asthma.
If I ever needed a redo, I'd gladly have it, rather than go back to the unhealthy state I was in. Mine was an atypical symptom of GERD, which has a lower success rate. Even knowing that, I HAD to give it a try and see if it helped. I figured at least it would rule GERD out as the cause of my problem. I waited far to long to get the surgery (4 very unhealthy years). I have some permanent damage from the steroids I took.
I was so happy to find this forum and the very kind and helpful people who guided me through and gave me the courage to go forward with the surgery. I always noticed that even people who had had complications and needed a second Nissen were very positive about the outcome. I figured that if people like that thought it was worth doing, I would do it.
You may have read this somewhere already, but here is the link for my early recovery posts. Hopefully it'll allay some of your fears and trepidations...