Esophagus : official journal of the Japan Esophageal Society · 2020
Association between indocyanine green fluorescence blood flow speed in the gastric conduit wall and superior mesenteric artery calcification: predictive significance for anastomotic leakage after esophagectomy.
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Koyanagi Kazuo, Ozawa Soji, Ninomiya Yamato, Oguma Junya, Kazuno Akihito, Yatabe Kentaro, Higuchi Tadashi, Yamamoto Miho
Аннотация
BACKGROUND: Near-infrared fluorescence using indocyanine green (ICG) has been applied as a real-time navigation tool to observe blood flow in gastric conduit wall after esophagectomy. Atherosclerosis might impair the blood flow of the systemic organs. The aim of the study was to investigate the significances of ICG blood flow speed in the gastric conduit wall and atherosclerotic calcification for the prediction of anastomotic leakage after esophagectomy.
METHODS: The 109 esophageal cancer patients were prospectively enrolled. ICG fluorescence blood flow speed in the gastric conduit wall and abdominal aortic calcification index (ACI), celiac artery (CA) calcification, and superior mesenteric artery (SMA) calcification were determined. Then, the correlation between ICG fluorescence blood flow speed and anastomotic leakage as well as ACI, CA, and SMA calcification were evaluated.
RESULTS: Anastomotic leakage occurred in 15 patients. ACI ranged from 0 to 65. CA calcification and SMA calcification were present in 25 and 12 patients. Multivariate analysis demonstrated that ICG fluorescence blood flow speed in the gastric conduit wall of 2.07 cm/s or less (P < 0.001) and SMA calcification (P = 0.026) were the significant independent predictors of anastomotic leakage. Only SMA calcification was significantly associated with ICG fluorescence blood flow speed in the gastric conduit wall (P = 0.026).
CONCLUSIONS: This study demonstrated that ICG fluorescence blood flow speed in the gastric conduit wall can predict anastomotic leakage after esophagectomy and microvascular perfusion of capillary vessels of the gastric conduit might be impaired by systemic atherosclerosis.
METHODS: The 109 esophageal cancer patients were prospectively enrolled. ICG fluorescence blood flow speed in the gastric conduit wall and abdominal aortic calcification index (ACI), celiac artery (CA) calcification, and superior mesenteric artery (SMA) calcification were determined. Then, the correlation between ICG fluorescence blood flow speed and anastomotic leakage as well as ACI, CA, and SMA calcification were evaluated.
RESULTS: Anastomotic leakage occurred in 15 patients. ACI ranged from 0 to 65. CA calcification and SMA calcification were present in 25 and 12 patients. Multivariate analysis demonstrated that ICG fluorescence blood flow speed in the gastric conduit wall of 2.07 cm/s or less (P < 0.001) and SMA calcification (P = 0.026) were the significant independent predictors of anastomotic leakage. Only SMA calcification was significantly associated with ICG fluorescence blood flow speed in the gastric conduit wall (P = 0.026).
CONCLUSIONS: This study demonstrated that ICG fluorescence blood flow speed in the gastric conduit wall can predict anastomotic leakage after esophagectomy and microvascular perfusion of capillary vessels of the gastric conduit might be impaired by systemic atherosclerosis.