• Peter J Kneuertz, Henry A Pitt, Karl Y Bilimoria, Jill P Smiley, Mark E Cohen, Clifford Y Ko, and Timothy M Pawlik.
• Department of Surgery, Johns Hopkins Hospital, 600 N. Wolfe Street, Harvey 611, Baltimore, MD 21287, USA.
• J. Gastrointest. Surg. 2012 Sep 1;16(9):1727-35.

IntroductionHepatic, pancreatic, and complex biliary (HPB) surgery can be associated with major morbidity and significant mortality. For the past 5 years, the American College of Surgeons-National Surgical Quality Improvement Program (ACS-NSQIP) has gathered robust data on patients undergoing HPB surgery. We sought to use the ACS-NSQIP data to determine which preoperative variables were predictive of adverse outcomes in patients undergoing HPB surgery.MethodsData collected from ACS-NSQIP on patients undergoing hepatic, pancreatic, or complex biliary surgery between 2005 and 2009 were analyzed (n = 13,558). Diagnoses and surgical procedures were categorized into 10 and eight groups, respectively. Seventeen preoperative clinical variables were assessed for prediction of 30-day postoperative morbidity and mortality. Multivariate logistic regression was utilized to develop a risk model.ResultsOf the 13,558 patients who underwent an HPB procedure, 7,321 (54%) had pancreatic, 4,881 (36%) hepatic, and 1,356 (10%) biliary surgery. Overall, 70.3% of patients had a cancer diagnosis. Post-operative complications occurred in 3,850 patients for an overall morbidity of 28.4%. Serious complications occurred in 2,522 (18.6%) patients; 366 patients died for an overall peri-operative mortality of 2.7%. Peri-operative outcome was associated with diagnosis and type of procedure. Hepatic trisectionectomy (5.8%) and total pancreatectomy (5.4%) had the highest 30-day mortality. Of the preoperative variables examined, age >74, dyspnea with moderate exertion, steroid use, prior cardiac procedure, ascites, and pre-operative sepsis were associated with morbidity and mortality (all P < 0.05).ConclusionsWhile overall morbidity and mortality for HPB surgery are low, peri-operative outcomes are heterogeneous and depend on diagnosis, procedure type, and key clinical factors. By combining these factors, an ACS-NSQIP "HPB Risk Calculator" may be developed in the future to help better risk-stratify patients being considered for complex HPB surgery.

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