Long-Term Outcome of Endoscopic Balloon Dilatation of Benign Pyloric Stricture

Im, Euyi Hyeog; Yang, Hyeon Woong; Seo, Seung Weon; Seong, Jae Koo; Lee, Sang Woo; Lee, Kyung Tae; Lee, Seung Min; Lee, Byung Seok; Kim, Nam Jae; Jeong, Hyun Yong

Abstract

BACKGROUND/AIMS
Balloon dilatation is a useful alternative to surgery in patients with benign pyloric stenosis. However, little data are available on the long-term outcome of the procedure. This report was attempted to determine the safety and efficacy of endoscopic balloon dilatation for 14 patients with gastric outlet obstruction caused by duodenal ulcer.
METHODS
Review of medical records or telephone interview was performed retrospectively.
RESULTS
Follow-up was conducted for median 18.5 months (3-48 months). Gastric outlet strictures had a median diameter 6 mm (range, 2-9 mm). Five (35.7%) patients had active ulcer. 12 mm to 18 mm balloons were inflated a median of 1 times (range, 1-4 times) for a median of 4 minutes (range, 1-11 minutes). Thirty-two procedure (1.5/patient) were performed; 9 patients (64.3%) had one treatment and 5 patients (35.7%) had multiple treatment. Immediate symptomatic relief was achieved in 13 patients (92.8%) and 7 patients (50%) achieved sustained symptomatic relief. Dilatation failed only in 2 patients (14.3%) ultimately and both recovered by palliative bypass surgery. No complication was noted during treatment.
CONCLUSIONS
Endoscopic balloon dilatation is safe and effective for most patients with gastric outlet obstruction induced by duodenal ulcer. And due to limitation of retrospective aspect of this report, further prospective, randomized studies must be performed.