Enthusiasm for LAUP rapidly proliferated throughout the U.S., and as a result, the procedure started being used to treat OSAS, even though there were concerns that there were not enough data to support its use for this condition.
 Many patients who developed further airway obstruction after LAUP might have been even worse if they had not undergone the surgery.
Near the time Kamami pioneered LAUP, the Swedish surgeon Carenfelt described a similar technique.
Other variations of the LAUP technique include Nd:YAG LAUP, cautery-assisted uvulopalatoplasty, and cold-steel uvulopalatoplasty.
The disadvantage of LAUP is that the tonsils are not removed.
Overall, the results of LAUP are comparable with those of UPPP, but they can be obtained at a fraction of the cost.
Concern over the morbidity caused by UPPP and LAUP led to a search for a technique that is simple and minimally invasive and that does not interfere with normal velopharyngeal function.
The data now available show that their short-term efficacy is similar to those of UPPP and LAUP. The minimal invasiveness of these procedures should mean fewer complications than with the previous procedures, a belief that is supported by the limited data previously described.
Costs vary among institutions, but our experience shows that CAPSO costs about $150, which is about 10 times less expensive than complete treatment of snoring with LAUP and more than 70 times more economical than UPPP with overnight intensive care.
The advantage that RFA has over UPPP and LAUP is that it is minimally invasive, which implies fewer complications.