• A Karliczek, D A Benaron, P C Baas, C J Zeebregts, A van der Stoel, T Wiggers, J T M Plukker, and G M van Dam.
• Departments of Surgery, University Medical Center Groningen, Groningen, The Netherlands.
• Eur Surg Res. 2008 Jan 1;41(3):303-11.

BackgroundWe evaluated the technical feasibility and stability of measurements using visible light spectroscopy to measure microvascular oxygen saturation (StO(2)) in gastrointestinal anastomoses.MethodsIn consecutive esophageal (n = 14) or colorectal (n = 30) resections, during which an uncomplicated anastomosis was performed, measurements of serosal StO(2) were performed during the procedure.ResultsIn esophageal resections, median (+/- standard error) StO(2) was stable before and after anastomosis in the proximal esophagus (before: 66.0 +/- 4.6, after: 68.3 +/- 6.0%) and the gastric conduit (before: 70.6 +/- 8.6, after: 69.8 +/- 8.0%). Mean colorectal StO(2) before and after anastomosis increased in the proximal part (71.3 +/- 8.4 to 76.6 +/- 8.2%; p < 0.005). Mean StO(2) in the distal part remained stable (72.4 +/- 6.6 to 74.8 +/- 6.7%).ConclusionsVisible light spectroscopy is a feasible and fast method for intraoperative assessment of microperfusion of the serosa in esophageal and colorectal anastomosis. Future clinical studies will define its role in the prediction of anastomotic leakage.Copyright 2008 S. Karger AG, Basel.

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