Abstract
Tracheomalacia (TM) is commonly associated with esophageal atresia (EA) and compression by the brachiocephalic artery is a factor for TM. Previous research has focused on the lateral-to-anteroposterior tracheal diameter ratio (LAR). This study aimed to assess the LAR and postoperative outcomes of EA patients. Patients undergoing thoracoscopic repair for EA between March 2020 and October 2023 were enrolled. Posterior tracheopexy (PT) was performed during thoracoscopic repair of EA on patients with bronchoscopy-confirmed TM; clinical courses and LAR were retrospectively analyzed. Overall, 18 patients were enrolled; 14 patients underwent PT. Their median preoperative and postoperative LARs were 2.26 and 1.50, respectively; this difference was statistically significant. Four patients without TM did not undergo PT and their median LAR was 1.59. Median LAR for patients without PT was lower than that of preoperative patients with PT and no statistical differences were observed from that of postoperative patients with PT. The patients whose LAR improved with PT did not require further surgical intervention for TM. One patient who had a postoperative LAR of 2.25 required external tracheal stenting. LAR is a useful index for determining the severity of TM associated with EA. LAR can reflects the efficacy of PT.
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