• Amelia C Grover, Steven K Libutti, James F Pingpank, Cynthia Helsabeck, Tatiana Beresnev, and AlexanderH RichardHRJr.
• Surgical Metabolism Section, Surgery Branch, National Cancer Institute/NIH, 10 Center Drive, Building 10, Room 2B07, Bethesda, MD 20892, USA.
• Surgery. 2004 Dec 1; 136 (6): 1176-82.

BackgroundWe report results of using isolated hepatic perfusion (IHP) in patients with advanced progressive liver metastases (LM) from pancreatic and gastrointestinal neuroendocrine neoplasms (NENs).MethodsThirteen patients with LM from NENs (mean percent hepatic replacement, 30; range, 10-60) were treated with a 1-hour hyperthermic IHP via a laparotomy with the use of 1.5 or 2.0 mg/kg melphalan and/or 1 mg tumor necrosis factor. An oxygenated extracorporeal circuit with inflow through the gastroduodenal artery and common hepatic artery, and outflow to a segment of the inferior vena cava was used. Portal flow and inferior vena cava flow were shunted to the axillary vein. Radiographic response, recurrence pattern, and survival were assessed.ResultsMean operative time was 9 hours (8-11 hours), and a median hospital stay was 10 days (6-64 days). Fifty percent of evaluable patients had a radiographic partial response in the liver (mean duration, 15 months; range, 6-26 months; 2 ongoing). Four had a marginal response (25%-49% reduction in the neoplasm). The median, hepatic, progression-free survival was 7 months (range, 3-27 months). The median actuarial survival was 48 months including 1 treatment mortality (median follow-up, 23 months).ConclusionsFor patients with advanced LM from NENs, IHP provides a reasonable response rate and duration with acceptable morbidity; continued clinical evaluation is important.

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