<b><i>Background/Purpose:</i></b> 90-day mortality is a key performance indicator for short-term perioperative outcome of hepatic resection (HR). Although many preoperative, intraoperative, and postoperative variables predict 90-day mortality following elective HR, only few are specific to hepatocellular carcinoma (HCC). This study aims to determine the predictors of 90-day mortality following elective HR for HCC. <b><i>Methods:</i></b> We report a retrospective analysis of patients who underwent elective HR between January 1, 2007, and December 31, 2017. Health status, perioperative variables, and the presence of post-hepatectomy liver failure (PHLF) were studied. Cox’s regression evaluated factors predicting 90-day mortality. <b><i>Results:</i></b> Two hundred and forty-four patients diagnosed with HCC underwent HR; 102 (41.8%) underwent a major HR. The postoperative 90-day mortality rate was 5.3%. Multivariate analysis demonstrated that Child-Pugh score (<i>p</i> &#x3c; 0.001), intraoperative blood loss (<i>p</i> = 0.013), the 50-50 criteria for PHLF (<i>p</i> &#x3c; 0.001) on postoperative day 5, and peak serum bilirubin &#x3e;119 µmol/L (<i>p</i> = 0.007) on postoperative day 3 predict 90-day mortality. <b><i>Conclusion:</i></b> In patients with HCC undergoing HR, Child-Pugh score, intraoperative blood loss, the 50-50 criteria for PHLF on postoperative day 5, and peak serum bilirubin &#x3e;119 µmol/L on postoperative day 3 predict 90-day mortality following elective HR for HCC.

Background Hepatic resection (HR) for hepatocellular carcinoma (HCC) is safe with good perioperative and long-term oncologic outcomes. There is a paucity of data with regards to intermediate-term outcomes (i.e., beyond 90-day and within 1-year mortality). This paper studies the risk factors for within 1-year mortality after elective HR with curative intent in patients with HCC. Methods An audit of patients who underwent curative HR for HCC from January 2007 to April 2016 was conducted. Univariate and multivariate analysis were sequentially performed on perioperative variables using Cox-regression analysis to identify factors predicting intermediate-term outcomes defined as within 1-year mortality. Kaplan–Meier survival curves and hazard ratios were obtained. Results Three hundred forty-eight patients underwent HR during the study period and 163 patients had curative hepatectomy for HCC. Fifteen patients (9.2%) died within 1-year after HR. Multivariate analysis identified Child-Pugh class B/C (HR 5.5, p = 0.035), multinodularity (HR 7.1, p = 0.001), macrovascular invasion (HR 4.2, p = 0.04) postoperative acute renal failure (HR 5.8, p = 0.049) and posthepatic liver failure (HR 9.6, p = 0.009) as significant predictors of 1-year mortality. Conclusion One-year mortality following HR for HCC remains high and can be predicted preoperatively by multinodularity, Child-Pugh class, and macrovascular invasion. Postoperative acute renal failure and liver failure are associated with 1-year mortality.

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