Classification of Esophageal Strictures following Esophageal Atresia Repair

Francesco Macchini, Giovanni Parente, Anna Morandi, Giorgio Farris, Valerio Gentilino, Ernesto Leva

Research output: Contribution to journalArticle

Abstract

Introduction The aim of this study was to stratify anastomotic strictures (AS) following esophageal atresia (EA) repair and to establish predictors for the need of dilations. Material and Methods A retrospective study on children operated on for EA between 2004 and 2014 was conducted. The stricture index (SI) was measured both radiologically (SIXR) and endoscopically (SIEND). A correlation analysis between the SI and the number of dilations was performed using Spearman's test and linear regression analysis. Results In this study, 40 patients were included: 35 (87.5%) presented with Gross's type C EA, 3 (7.5%) type A, 1 (2.5%) type B, and 1 (2.5%) type D. The mean follow-up time was 101 ± 71.1 months (range: 7.8–232.5, median: 97.6). The mean SIXR was 0.56 ± 0.16 (range: 0.15–0.86). The mean SIEND was 0.45 ± 0.22 (range: 0.15–0.85). Twenty-four patients (60%) underwent a mean of 2 endoscopic dilations (range: 1–9). The number of dilations was poorly correlated with SIXR, while significantly correlated with SIEND. Patients who did not need dilations had a SIEND < 0.33, patients who needed only one dilation had 0.33 ≤ SIEND < 0.44, and those with SIEND ≥ 0.44 needed two or more dilations. No significant association with other clinical variables was found. All patients were asymptomatic at the time of the first endoscopy. Conclusion SIEND is a useful tool to classify AS and can represent a predictor of the need for endoscopic dilation. The role of the SIEND becomes even more important as clinical characteristics have a low predictive value for the development of an AS and the need for subsequent endoscopic esophageal dilatations.

Original languageEnglish
Pages (from-to)243-249
JournalEuropean Journal of Pediatric Surgery
Volume28
Issue number3
DOIs
Publication statusPublished - 2018

Keywords

  • anastomotic stricture
  • esophageal atresia
  • esophageal dilation
  • infant
  • stricture index

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Surgery

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