J Korean Pediatr Soc.  1999 Jan;42(1):143-147.

A Case of Successful Management of Hypertrophic Pyloric Stenosis with Endoscopic Balloon Dilatation

  • 1Department of Pediatrics, College of Medicine, Inje University, Seoul, Korea.


Endoscopic balloon dilatation has provided a non-operative means of managing obstructive lesions in the gastrointestinal tract. In an infant with idiopathic hypertrophic pyloric stenosis(IHPS), the stenosis was successfully dilated with endoscopic balloon dilatation. Endoscopic balloon dilatation was performed using a 9mm endoscope and through-the-scope(TTS) balloon catheter (diameter 10 to 12mm). Dilatation was performed two times for 5 minutes. The 9mm endoscope then passed through the pylorus. There were no complications. The treatment was followed by immediate symptomatic relief. Endoscopic balloon dilatation may become a valid alternative to surgical procedures for the treatment of IHPS if good results can be confirmed in further studies.


Hypertrophic pyloric stenosis; Endoscopic balloon dilatation
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