Outcomes of repeat cytoreductive surgery with hyperthermic intraperitoneal chemotherapy for the treatment of peritoneal surface malignancy.
BACKGROUND: Cytoreductive surgery (CRS) with hyperthermic intraperitoneal chemotherapy (HIPEC) has improved the survival of patients with peritoneal surface malignancy. On recurrence, a repeat CRS/HIPEC is a treatment option. STUDY DESIGN: A retrospective analysis of 868 CRS/HIPEC procedures was performed. Type of primary, functional status, completion of resection, hospitalization, morbidity, mortality, and survival were reviewed. RESULTS: Sixty-two patients (7.7%) underwent a second CRS/HIPEC, including 33 patients with appendiceal primaries, 8 ovarian, 7 mesotheliomas, 4 colon cancers, and 10 various malignancies. Median follow-up was 60.8 months. Median overall survival in months was 85.3 for appendiceal cancer, 52.9 for mesothelioma, 60.1 for ovarian, and 137.4 for colon cancer. R1 resection was achieved in 43.5% after both procedures. Median survival after the second cytoreduction was 52.1 months for appendiceal cancer, 21.8 for mesothelioma, 53.9 for ovarian, and 55.7 for colon cancer. Median survival was 55.7 months for R1 resection, 20.3 months for R2a resection, and 15.5 months for R2b-R2c. Median ICU and hospital stay was 1 and 7.5 days, respectively. The 30-day morbidity after the second CRS/HIPEC was 48.4% and mortality was 3.2%. In multivariate analysis, the R status of the second CRS/HIPEC (p = 0.013) and the interval between the 2 procedures (p = 0.009) were significant in predicting improved survival. CONCLUSIONS: In experienced tertiary centers and for selected patients, a repeat CRS/HIPEC procedure has morbidity and mortality similar to the initial cytoreduction. Survival depends primarily on the completion of the repeat cytoreduction and favorable biology of the tumor.
Votanopoulos, KI; Ihemelandu, C; Shen, P; Stewart, JH; Russell, GB; Levine, EA
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