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Does continuous mucosal partial carbon dioxide pressure measurement predict leakage of intrathoracic esophagogastrostomy?

April 26, 2017carbon dioxide Continuous intrathoracic leakage measurement mucosal partial predict pressure

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Does continuous mucosal partial carbon dioxide pressure measurement predict leakage of intrathoracic esophagogastrostomy?

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GROUND: Gastroplasty after esophagectomy is associated with relevant morbidity due to anastomotic leakage of the esophagogastrostomy. The aim of this study was to find out whether continuous partial carbon dioxide pressure (pCO2) measurement of the gastric mucosa is an adequate method of monitoring the gastric tube during the postoperative course and of detecting patients with an anastomotic leakage. METHODS: Forty-seven patients with esophageal cancer underwent esophagectomy and gastric tube formation with intrathoracic esophagogastrostomy. Postoperatively, mucosal pCO2 of the gastric tube (pCO2i) was measured using continuous tonometry (TONOCAP, Datex Ohmeda). pCO2i was related to the arterial pCO2 (delta pCO2 = pCO2i – pCO2a). RESULTS: A total of 4,338 delta pCO2 measurements were recorded. On average, the pCO2i of each patient was monitored over a period of 92 hours. In 5 patients an anastomotic leakage of the esophagogastrostomy developed. The mean delta pCO2 of this group was 31.