We report the complications and the results of intra-arterial infusion chemotherapy (IAIC) for liver metastases in colorectal cancer. Fifteen synchronous liver metastases and 11 metachronous liver metastases were treated from September 1986 to February 1989. Eight cases had H1 (metastases in one lobe only), 11 cases H2 (a few scattered metastases in both lobes) and 7 cases had H3 (numerous metastases in both lobes). Eight cases underwent hepatic resection and 20 cases were treated by IAIC with implantable reservoir. Incidence of complication was decreased from 75% to 17% by the improved technique of hepatic arterial catheter intubation. Median survival was 12 months, 20 months and 8 months, respectively. When used with MMC, the IAIC showed unsatisfactory results. We should therefore investigate possible use of alternative drugs, their optimum dosages, and the regimens for improved chemotherapy.
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