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  • Title: Morbidity of adjuvant hepatic arterial infusion pump chemotherapy in the management of colorectal cancer metastatic to the liver.
    Author: Martin RC, Edwards MJ, McMasters KM.
    Journal: Am J Surg; 2004 Dec; 188(6):714-21. PubMed ID: 15619489.
    Abstract:
    BACKGROUND: Surgical resection remains the treatment of choice for patients with colorectal cancer metastatic to the liver. Hepatic arterial infusion pump (HAIP) chemotherapy in combination with surgical resection has been demonstrated in a recent study to improve disease-free and overall survival for patients with colorectal cancer metastatic to the liver. Other reports, however, have indicated significant toxicity related to HAIP chemotherapy in the form of biliary sclerosis. Thus, the value of adjuvant HAIP chemotherapy following hepatic resection or ablation remains controversial. The aim of this study was to examine the survival and toxicity in a single institutional experience with adjuvant HAIP chemotherapy. METHODS: Review of a prospective hepatobiliary database was performed. HAIP were placed in the standard technique following resection and/or radiofrequency ablation (RFA) of all liver metastases. Patients received floxuridine (FUDR) via the HAIP at standard doses. Complications were graded according to a standard 5-point grading scale. Statistical analysis was performed by chi(2) test. RESULTS: Thirty-four of 86 patients underwent placement of HAIP at the time of hepatic resection or ablation between January 1999 and November 2002. The HAIP group demonstrated a significantly greater (P <0.05) number (median 5 vs. 2) and size (median 5 cm vs. 3 cm) of hepatic lesions compared to the group without HAIP. The HAIP group experienced a greater frequency of complications (53% vs. 33%), with 6 (18%) patients in the HAIP group demonstrating biliary sclerosis. There were no deaths within 30 days of surgery. Median survival was similar in both groups (HAIP 20 months, no HAIP 24 months). CONCLUSIONS: Patients in the HAIP group had significantly worse overall predictors of outcome in metastatic colorectal cancer, yet the median overall survival in both groups was similar. However, adjuvant HAIP chemotherapy was associated with significantly greater morbidity. Given the availability of newer active systemic agents and regimens, the value of adjuvant HAIP chemotherapy remains controversial.
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