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Authors Abbott DE, Sohn VY, Hanseman D, Curley SA
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Journal J Surg Oncol Volume: 109 Issue: 6 Pages: 516-20
Publish Date 2014 May
PubMed ID 24374772
Abstract

The current healthcare climate demands evaluation of treatment modalities in terms of costs and benefits. We compared the cost-effectiveness of two different strategies for bilobar colorectal liver metastases (bCRLM).Patients with bCRLM treated with either resection/RFA or planned 2-stage hepatectomy at our institution between 1999 and 2011 were reviewed. A decision analysis model was populated with treatment probabilities, outcomes, survival, and costs (Medicare payment, 2011 US$).Two hundred fourteen patients underwent resection/RFA. Eighty-two patients were treated with planned 2-stage hepatectomy; 26 (32%) patients never completed a 2nd resection. In the 2-stage cohort, 50 patients underwent portal vein embolization (PVE). Overall complication rate and 90-day mortality for resection/RFA was 36% and 3.7%, and for 2-stage hepatectomy (both procedures combined) was 44% and 7.3%, respectively. Cost-effectiveness analysis revealed that resection/RFA cost $37,120 for 46.2-month survival, while planned 2-stage resection cost $62,198 for 35.9-month survival. If, hypothetically, all 2-stage patients completed both stages of resection, the per-patient cost was $72,644 for 40.3-month survival.Resection/RFA is associated with lower costs and longer survival when compared to 2-stage resection. This 1-stage approach for bCRLM should be viewed as an efficient use of resources for this challenging clinical scenario.

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