Glycocalyx Monitoring in Major Abdominal Surgery

Inclusion Criteria: For the HIPEC group : * Adult patients * Age \< 75 years * Receiving HIPEC for primary or secondary peritoneal carcinosis For the CDP group : * Adult patient * Age \< 75 years * Receiving CDP for pancreatic neoplasia * Patient who has read and understood the information letter and does not object to taking part in the study * Patient affiliated to a social security scheme Exclusion Criteria: * Secondary distant peritoneal metastases * Chronic heart failure * Chronic liver failure at stage C of the Child-Pugh score * Stage IV or V chronic renal failure * Inflammation of the sublingual buccal mucosa or injury that may locally influence sublingual microcirculation * Patient refusal * Person deprived of liberty by an administrative or judicial decision or person placed under court protection or guardianship