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Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for peritoneal carcinomatosis: outcomes from a
Parissa Tabrizian1, Brian Shrager, Ghalib Jibara
1Mount Sinai Medical Center, New York, NY, USA, ptabrizian@hotmail.com.
Background:
Cytoreductive surgery (CRS) with heated intraperitoneal chemotherapy (HIPEC) is an effective but morbid procedure in the treatment of peritoneal carcinomatosis. We report our outcomes at a single tertiary institution.
Method:
A total of 170 consecutive patients underwent CRS-HIPEC for peritoneal carcinomatosis between July 2007 and August 2012. The peritoneal cancer index (1-39) was used for peritoneal carcinomatosis (PC) staging. Mitomycin C (88.8%) was administered intraperitoneally at 42 °C for 90 mins. Risk factors associated with major morbidities were analyzed. The Kaplan-Meier method was used for survival analyses.
Results:
The mean age was 55.1 (±11.3) years, and the majority (77.1%) of patients had complete cytoreduction (CC0-1). Tumor types included colorectal (n = 51, 30.0%), appendiceal (n = 50, 29.4 %), pseudomyxoma peritonei (n = 16, 9.4%), and other (n = 53, 31.2%). Factors associated with major complications were estimated blood loss (>400 ml), length of stay (>1 week), intraoperative blood transfusion, operative time (>6 h), and bowel anastomosis. Intraoperative blood transfusion was the only independent prognostic factor on multivariate analysis (p = 0.031). Median follow-up was 15.7 months (±1.2). The recurrence rates for colorectal and appendiceal carcinoma at 1 and 3 years were 40%, 53.5% and 68%, 79.1%, respectively. The 1- and 3-year overall survival for colorectal and appendiceal carcinomatosis was 74.0%, 32.5% and 89.4%, 29.3%, respectively. Intraoperative peritoneal cancer index (PCI) score (>16) and need for blood transfusion were factors independently associated with poor survival (p < 0.05).
Conclusion:
Our single institution experience of CRS/HIPEC procedures for peritoneal carcinomatosis demonstrates acceptable perioperative outcome and long-term survival. Optimal cytoreduction was achieved in the majority of cases. Intraoperative PCI > 16 was associated with poor survival. This series supports the safety of CRS-HIPEC in selected patients.
