After the esophagectomy, the stomach is most commonly used to restore continuity of the upper gastro-intestinal tract. The esophagogastric anastomosis is prone to serious complications such as anastomotic leakage (AL) The reported incidence of AL after esophagectomy ranges from 5%-20%. The AL associated mortality ranges from 18-40% compared with an overall in-hospital mortality of 4-6%. The main cause of AL is tissue hypoxia, which results from impaired perfusion of the pedicle stomach graft. Clinical judgment is unreliable in determining anastomotic perfusion. Therefore, an objective, validated, and reproducible method to evaluate tissue perfusion at the anastomotic site is urgently needed. Indocyanine green angiography (ICGA) is a near infrared fluorescent (NIRF) perfusion imaging using indocyanine green (ICG). ICGA is a safe, easy and reproducible method for graft perfusion analysis, but it is not yet calibrated. The purpose of this study is to evaluate the feasibility of quantification of ICGA to assess graft perfusion and its influence on AL in patients after minimally invasive Ivor Lewis esophagectomy (MIE) for cancer.
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An ICGA based cutoff point to predict anastomotic leakage and graft necrosis after esophageal reconstructive surgery.
Timeframe: within 3 months after intervention