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Evaluation Studies
Journal Article
Learning curve for the thoracoscopic repair of esophageal atresia with tracheoesophageal fistula.
Asian Journal of Endoscopic Surgery 2018 Februrary
AIM: Thoracoscopic repair (TR) of esophageal atresia with tracheoesophageal fistula (EA/TEF) remains a considerable challenge, even for the most experienced pediatric surgeons. The aim of this study is to report the outcomes of our experience with TR of EA/TEF and to determine the learning curve for this procedure.
METHODS: Eleven consecutive cases that had undergone TR of EA/TEF at our institutes were included in this study. The medical charts were reviewed retrospectively. To determine the learning curve for TR of EA/TEF, a logarithmic curve-fitting analysis was performed. The data were expressed as medians with ranges.
RESULTS: The median age and birth weight were 1 day (range, 1-3 days) and 2.8 kg (range, 2.5-3.7 kg), respectively. TR was completed in all cases without any complications. The median operative time was 230 min (range, 164-383 min). There were no cases of anastomotic leakage. One patient with a long gap required repeated balloon dilatation for refractory anastomotic stricture. No mortality or recurrence of tracheoesophageal fistula occurred. The operative time was significantly longer in patients with a long gap (>20 mm) than in those with a shorter gap. Once the three cases with a long gap had been excluded, the operative time decreased as the number of treated cases increased. The relationship between the operative time and case number fit a logarithmic function curve well (operative time in minutes = 300 - 62 × log (case number), R2 = 0.8359, P = 0.0015).
CONCLUSIONS: Our results suggest that TR of EA/TEF is a safe procedure. It has a considerable learning curve, but requires advanced endoscopic surgical skills.
METHODS: Eleven consecutive cases that had undergone TR of EA/TEF at our institutes were included in this study. The medical charts were reviewed retrospectively. To determine the learning curve for TR of EA/TEF, a logarithmic curve-fitting analysis was performed. The data were expressed as medians with ranges.
RESULTS: The median age and birth weight were 1 day (range, 1-3 days) and 2.8 kg (range, 2.5-3.7 kg), respectively. TR was completed in all cases without any complications. The median operative time was 230 min (range, 164-383 min). There were no cases of anastomotic leakage. One patient with a long gap required repeated balloon dilatation for refractory anastomotic stricture. No mortality or recurrence of tracheoesophageal fistula occurred. The operative time was significantly longer in patients with a long gap (>20 mm) than in those with a shorter gap. Once the three cases with a long gap had been excluded, the operative time decreased as the number of treated cases increased. The relationship between the operative time and case number fit a logarithmic function curve well (operative time in minutes = 300 - 62 × log (case number), R2 = 0.8359, P = 0.0015).
CONCLUSIONS: Our results suggest that TR of EA/TEF is a safe procedure. It has a considerable learning curve, but requires advanced endoscopic surgical skills.
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