PAN-ICIS: Prospective Observational Study Evaluating the Intensive Care Infection Score for Early Detection of Infectious Complications After Pancreatic Resections

Pancreatic resections carry a high burden of postoperative morbidity, particularly due to complications such as pancreatic fistula and bile leakage, which frequently lead to intra-abdominal infection and sepsis. Early diagnosis remains difficult because conventional inflammatory markers (CRP, WBC, PCT, IL-6) lack specificity and are often elevated due to postoperative SIRS. The Intensive Care Infection Score (ICIS) has demonstrated superior performance in distinguishing SIRS from sepsis in surgical patients.

The PAN-ICIS study is a prospective observational study enrolling patients undergoing pancreatic resections. ICIS will be measured postoperatively and compared with conventional inflammatory markers. Perioperative variables, postoperative complications, and infectious outcomes will be collected prospectively. Accurate early differentiation between SIRS and sepsis represents a major need in pancreatic surgery. This study will evaluate the diagnostic accuracy and clinical utility of ICIS for early detection of postoperative infectious complications. If validated, ICIS may support earlier antimicrobial therapy, reduce unnecessary antibiotic exposure, and improve postoperative outcomes in this high-risk population.