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. 2023 Jun 12;11(1):e32–e35. doi: 10.1055/s-0043-1769106

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The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. ( https://creativecommons.org/licenses/by/4.0/ )

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 1 — Intraoperative situs ( A, C ) and HSI StO ₂ ( B, D ) after TEF ligation: Well-perfused upper esophageal pouch ( o ) and impaired perfusion of the lower esophagus ( # ) before resection of its distal tip ( A, B ). After resection of the tip of the distal pouch (Fig. 2), improved perfusion with only minor impairment at the anastomotic suture line itself ( arrow ) was detected ( C, D ). HSI, hyperspectral imaging; StO ₂ , tissue oxygen saturation; TEF, tracheoesophageal fistula.