Identification of Preoperative Parameters to Predict Acute Kidney Injury Risk Following Vascular or Digestive Surgery

Inclusion Criteria: * Digestive surgery or vascular surgery at Besancon University Hospital between 01/01/2019 and 31/12/2019 (retrospective) or between 01/01/2023 and 31/12/2023 (prospective) Exclusion Criteria: * No preoperative creatinine value * Outpatient surgery * Surgery other than digestive or vascular (organ procurement surgery/nephrectomy surgery/renal transplantation) * Kidney/urinary tract surgery * Arteriovenous fistula surgery * End-stage renal disease or renal replacement therapy, except for renal transplant patients * Acute kidney injury KDIGO≥1 within 2 weeks before surgery * Patients in need of emergency surgery for ongoing haemorrhage * Legal incapacity or limited legal capacity * Subjects with no social security coverage.