Is a hiatal hernia repair effective?

Can be: If performed in the right person for the right condition and right reason. Reports indicate many people still need antacid or other acid reducing medications after this surgery, but performed properly in the right situation can be helpful.

Yes : Of course there area many factors to consider, but most importantly is what the goals of the repair are - resolution of symptoms or prevention from getting worse or both. In general, hiatal hernia repair should have a 90-95% success rate.

Yes it usually is: It depends on what symptoms led you to have surgery and the specific hernia characteristics. If reflux is the main driver, most ppl have resolution after the surgery. There is a small portion of ppl that will go on to have a recurrence of their hernia, but this does not necessarily need further treatment or cause more problems. See a surgeon to get an idea of whether surgery could benefit you.