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27.09.2016 | Original Scientific Report | Ausgabe 4/2017

World Journal of Surgery 4/2017

Hepatectomy for Colorectal Cancer Liver Metastases in the Era of Modern Preoperative Chemotherapy: Evaluation of Postoperative Complications

World Journal of Surgery > Ausgabe 4/2017
Kengo Fukuoka, Satoshi Nara, Yoshitaka Honma, Yoji Kishi, Minoru Esaki, Kazuaki Shimada
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1007/​s00268-016-3724-6) contains supplementary material, which is available to authorized users.



Recently, an increasing number of patients with liver metastases from colorectal cancer have received chemotherapy before hepatectomy. However, the effect of chemotherapy on postoperative short-term outcome is not well defined.


We retrospectively investigated the postoperative complications of 439 patients who underwent hepatectomy for colorectal liver metastases in our division from 2005 to 2014. Patients were classified into two groups according to the presence (Cx; 84 patients) or absence (NCx; 355 patients) of preoperative chemotherapy. Univariate and multivariate analyses were conducted to determine the predictive factors for postoperative complications.


There was neither mortality nor liver failure after surgery. There was no significant difference in the frequency of postoperative complications between Groups Cx and NCx [29 vs 26 % for all complications; both 6 % for bile leakage that required therapeutic intervention; and 2 vs 3 % for Clavien–Dindo (CD) Grade ≥ IIIa, respectively]. In Group Cx, morbidity rates were similar among patients with different chemotherapy regimens. Chemotherapy-related factors (administration of bevacizumab, oxaliplatin or irinotecan, duration of chemotherapy >150 days, and timing of hepatectomy) were not significantly associated with clinically relevant bile leakage and CD ≥ IIIa in multivariate analysis.


Even after combination chemotherapy including targeted therapy, hepatectomy for colorectal liver metastases can be performed safely without increasing morbidity or mortality, if the patients fulfill the conventional criteria for surgery.

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