Background: Low-birth-weight is the main factor affecting the survival rate of esophageal atresia (EA)/ tracheoesophageal fistula (TEF). The study aims to summarize the factors influencing the prognosis of EA/TEF, which is expected to be helpful for clinical diagnosis and treatment. Methods: A retrospective data analysis was performed in our hospital underwent TEF/EA repair between January 2012 and January 2015. The incidence of preoperative, intraoperative critical events and postoperative complications and overall survival (OS) were compared between two groups of infants: 81 patients with EA/TEF, 24 low-birth-weight patients (<2500 g) with EA/TEF and 57 patients (>2500 g). The morbidity was compared between patients with stress hyperglycemia and euglycemia postoperatively. Results: The overall incidence of preoperative, intraoperative critical events and postoperative complications in low-birth-weight patients was significantly higher (P=0.002, P=0.001, P=0.001), but OS was lower (75.9% vs 92.3%, p=0.027). OS of patients with stress hyperglycemia postoperatively was lower than that of euglycemia (81.0% vs 93.6%, p=0.03).Conclusions: Low-birth-weight still was the main factor that impacted on the prognosis of EA/TEF. The lower the birth weight was, the higher the mortality was. Postoperative stress hyperglycemia was one of the important factors that influenced survival rate.
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