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J.Jpn. Surg. Soc.. 122(4): 398-403, 2021

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Department of Gastroenterological Surgery, Toho University Omori Medical Center, Tokyo, Japan

Tomoaki Kaneko, Kimihiko Funahashi, Mitstunori Ushigome, Satoru Kagami, Kimihiko Yoshida, Yasuo Nagashima, Yasuyuki Miura, Akiharu Kurihara

Anastomotic leakage is one of the most important postoperative complications in rectal cancer surgery. During the long history of this type of surgery, many studies have been conducted from various viewpoints in order to prevent anastomotic leakage. While male gender, tumor location, and large tumor diameter are considered characteristic risk factors for anastomotic leakage after rectal cancer surgery, many other factors are intricately related, and therefore a multifaceted strategy is necessary before, during, and after surgery. Recently, the evaluation of bowel perfusion using indocyanine green fluorescence has received attention as a method to prevent anastomotic leakage. Furthermore, new attempts to evaluate bowel blood flow by laser speckle flowgraphy and thermography are being made, and future results are awaited.

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