Analysis of risk factors for hyperbilirubinemia occurring after hepatectomy.

J Hepatobiliary Pancreat Sci

The Department of General Surgery, Hokkaido University, North 15, West 7, Kita-ku, Sapporo 060-8638, Japan.

Published: September 2011

Background: To further improve the outcomes of liver resection, it is important to identify and prevent the causes of the hyperbilirubinemia occurring after hepatectomy and postoperative liver failure.

Methods: Between 2004 and 2009, 591 consecutive patients underwent a hepatectomy at our center. Twenty-two patients who developed hyperbilirubinemia (postoperative total bilirubin over 5 mg/dL) after hepatectomy were classified as Hi-Bi group and another 569 whose total bilirubin did not increase beyond 5 mg/dL were classified as non-Hi-Bi group.

Results: A preoperative prothrombin test of less than 80% and a blood loss of more than 1000 mL were identified as independent risk factors for the Hi-Bi group by multivariate analysis. The hyperbilirubinemia of 16 cases improved, while that of 6 cases was prolonged. One of these patients died of liver failure without responding to treatment. The mortality rate for postoperative liver failure in this study was 0.16% (1/591).

Conclusion: It is important to reduce the length of surgery and intraoperative blood loss to prevent hyperbilirubinemia after hepatectomy. Additionally, decision-making using our algorithm and full examination of the accurate evaluation results, including those for prothrombin time, residual liver function and liver damage, can help reduce the development of hyperbilirubinemia.

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http://dx.doi.org/10.1007/s00534-011-0394-5DOI Listing

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