Abstract
The correct timing of hepatectomy in patients with synchronous colorectal liver metastases is unclear. The aim of this study was to assess the clinical value of simultaneous resection (SR) for patients with colorectal cancer and synchronous liver metastases. Between January 2006 and December 2013, 158 patients underwent resection of primary colorectal cancer and liver metastases. Sixty-three patients possessed synchronous colorectal liver metastases. Of those with synchronous colorectal liver metastases, 41 patients (65%) underwent SR, and 22 (35%) underwent delayed resection (DR). The clinicopathologic and operative data and the surgical outcomes of the patients in the SR and DR groups were retrospectively analyzed. The type of primary/liver resection, liver resection time, total blood loss volume, R0 resection rate, and morbidity rate were similar between the two groups. The SR group was associated with a shorter total postoperative hospital stay (21 vs 32days, p<0.001). However, the overall survival rate was similar between the two groups (3-year survival, 65.6% in the SR group versus 66.8% in the DR group, p=0.054). Simultaneous resection of colorectal cancer and synchronous liver metastases is associated with a comparable morbidity rate and shorter hospital stay, even when following rectal resection and major hepatectomy.
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