Takeo Matsumoto

Abstract Anastomotic leakage is a major complication in neonatal oesophageal surgery, particularly in fragile tissues such as long-gap oesophageal atresia. In this study, we evaluate a simple suture modification, known as lateral reinforcement, to improve anastomotic stability and reduce leakage. Mechanical testing was performed using artificial oesophagus models and rat intestinal tissue, comparing standard sutures with and without lateral reinforcement.

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