The role of hyperthermic intraoperative intraperitoneal chemotherapy (HIPEC) in the treatment of peritoneal carcinomatosis in recurrent ovarian cancer
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Background and objectives
Peritoneal carcinomatosis in women frequently has an ovarian origin. Hyperthermic intraoperative intraperitoneal chemotherapy (HIPEC) along with radical surgery/peritonectomy could present a new therapeutic approach with curative intention. The purpose of this research is to evaluate the role of the administration of HIPEC.
A series of patients (N=26) diagnosed with peritoneal carcinomatosis for recurrent epithelial ovarian cancer (stage III) from January 1997 to December 2004 submitted to radical surgery/peritonectomy with optimal cytoreduction (R0-R1) were included in this study, 14 treated with HIPEC and 12 without HIPEC.
The variables age, histologic type, peritonectomy procedures, peritoneal cancer index (PCI) and lymph node affectation were similar in both groups. The 5-year global survival was 58% and 17% (p=0.046), and 67% and 29% in patients with maximal cytoreduction (R0) (p=0.264), in the HIPEC- and non-HIPEC-treated patients, respectively. In patients with optimal cytoreduction and partial peritonectomy, 5-year global survival was also superior in the HIPEC group (75% vs. 11%, p=0.011). Average time free of disease was superior in the HIPEC group (48±42 vs. 24±21 months), with less reinterventions due to a new reappearance during the first three evolutionary years (2/14 vs. 4/12). Postoperative morbidity did not show substantial differences in both groups and there was no surgical mortality.
HIPEC is a complement to radical surgery/peritonectomy, which has been shown to be a surgical procedure with high tolerability, low morbimortality, enhanced survival and prolonged disease-free interval in patients with peritoneal carcinomatosis for recurrent ovarian cancer.
KeywordsHyperthermia Intraperitoneal chemotherapy Peritonectomy Ovarian cancer
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