The Second Procedure Combining Complete Cytoreductive Surgery and Intraperitoneal Chemotherapy for Isolated Peritoneal Recurrence: Postoperative Course and Long-Term Outcome
Complete cytoreductive surgery (CCRS) with intraperitoneal chemotherapy (IPC) is becoming the gold-standard treatment for resectable peritoneal carcinomatosis, when feasible. However, this approach has not yet been evaluated for isolated peritoneal re-recurrences after previous IPC. The aim of this study was to evaluate the postoperative course and long-term outcome after repeat (re-)CCRS + IPC.
From 1996 to 2007, 25 re-CCRS + IPC were performed in 20 patients with isolated peritoneal re-recurrences, among 393 CCRS + IPC performed during the same period in the department. Selection was based on the supposedly limited extent of the peritoneal disease and an interval of more than 12 months between the first CCRS + IPC procedure and recurrence. After a re-CCRS, we used re-IPC modalities (method and/or drug) that were systematically different from those of the first IPC. The origins of the tumors were pseudomyxoma (n = 12), colorectal cancer (n = 4), mesothelioma (n = 3), and carcinoid tumor (n = 1).
At laparotomy, mean peritoneal index was 7.6 ± 4.8. Among the 25 procedures, hyperthermic intraperitoneal chemotherapy was used in 15 cases and early postoperative intraperitoneal chemotherapy in 10 cases. The postoperative mortality rate was 4% (n = 1) and six grade 3–4 postoperative complications occurred. The overall 5- and 10-year actuarial survival rates were 72.5% and 58%, respectively. The 5-year disease-free survival rate was 19%. The long-term outcome was not different, whatever the type of primary tumor.
Re-CCRS + IPC is feasible and yields prolonged survival in highly selected patients. Also, the switch to another type of IPC or regimen may have contributed to this prolonged survival.
The authors particularly thank Lorna Saint Ange for editing.
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