XXXX is effective long-term treatment for @entity1318 .

@entity1318 @entity384 @entity1
Although @entity384 ( @entity384 ) has been an established treatment for @entity1318 for decades, there is limited information on its long-term clinical efficacy. We have followed up the clinical status of @entity1 having @entity384 with a 30- or 35-mm balloon by one of us (D.O.C.) over a 25-year period. Of 144 @entity1 whose initial records were available for review, 31 could not be contacted. Of the remaining 113 @entity1 , 72 (64%) responded to a questionnaire assessing swallowing status and @entity1 satisfaction, and this forms the basis of this report. There were 32 @entity1 and 40 @entity1 , with mean age 46 years (range: 17-78); mean length of follow-up since @entity384 was 6.5 years (range: 10 months to 25 years). Success was primarily defined by the need for no additional therapy for @entity1318 other than one or two @entity384 's. @entity384 was effective long-term treatment in 61/72 @entity1 (85%); only four of these required a second @entity384 over this time interval. There was no significant difference in any of the following parameters between @entity1 with a treatment success or failure: age, sex, size of pneumatic dilator, and duration of symptoms prior to @entity384 . Response was significantly better (P < 0.05) in @entity1 having no prior dilatation (43/47; 91%) than in those in whom another physician had performed prior dilatation (18/25; 72%). In response to the question of whether they would select @entity384 again, 68 @entity1 (94%) responded positively. In conclusion, @entity384 performed using a consistent technique by an experienced physician is effective long-term therapy for @entity1318 @entity1 of all ages. Most @entity1 require only one dilatation.
