• Ann. Surg. Oncol. · Jul 2009

    Survival outcomes of patients with colorectal liver metastases following hepatic resection or ablation in the era of effective chemotherapy.

    • Mehrdad Nikfarjam, Serene Shereef, Eric T Kimchi, Niraj J Gusani, Yixing Jiang, Diego M Avella, Rickhesvar P Mahraj, and Kevin F Staveley-O'Carroll.
    • Department of Surgery, Program for Liver, Pancreas and Foregut Tumors, Penn State College of Medicine, Hershey, PA 17033-0850, USA.
    • Ann. Surg. Oncol. 2009 Jul 1; 16 (7): 1860-7.

    AbstractThe outcome of patients with colorectal liver metastases (CLM) undergoing surgical resection in the era of effective chemotherapy is not widely reported. In addition, factors associated with disease-specific survival (DSS) in a contemporary series of patients are not well defined. Clinical, pathologic, and outcome data for 64 patients with CLM treated by a single surgeon in a multidisciplinary setting from February 2002 to October 2007 were examined. Hepatic resection was combined with radiofrequency ablation (RFA) in 23 (36%) cases. Secondary or tertiary resection was undertaken in 12 (19%) patients. Synchronous CLM were noted in 25 (39%) cases. Neoadjuvant chemotherapy was given to 41 (64%) patients. Following hepatic resection, adjuvant chemotherapy was administered in 52 (81%) cases. There was one (2%) operative mortality. One or more complications were noted in 24 (38%) patients. Median length of hospital stay was 7 (2-7) days. Five-year DSS and overall survival were 72% and 69%, respectively. Bilobar disease (p < 0.001), local tumor extension (p = 0.02), response to neoadjuvant chemotherapy (p = 0.005), preoperative portal vein embolization (p = 0.05), number of hepatic lesions (p = 0.03), positive resection margin (p < 0.001), and node-positive primary disease (p = 0.001) were prognostically significant factors on univariate analysis. On multivariate analysis, bilobar disease (p = 0.02) and local tumor extension (p = 0.02) were the only two independent prognostic factors. We conclude that, in patients with CLM, a multidisciplinary approach encompassing an aggressive surgical policy achieves excellent 5-year survival results with acceptable operative morbidity and mortality. Bilobar disease and local extrahepatic extension of cancer appear to be independent prognostic factors for long-term survival.

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