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More Synchronous Peritoneal Disease but Longer Survival in Younger Patients with Carcinomatosis from Colorectal Cancer Undergoing Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy

Daniel Solomon MD, Natasha L. DeNicola MD, Yael Feferman MD, Eliahu Bekhor MD, Marina L. Reppucci MD, Daniela Feingold BA, Samantha N. Aycart BS, Deepa R. Magge MD, Benjamin J. Golas MD, Daniel M. Labow MD, Umut Sarpel MD
Gastrointestinal Oncology
Volume 26, Issue 3 / March , 2019

Abstract

Background

Colonoscopy to detect colorectal cancer (CRC) is recommended starting at age 50 years; however, CRC rates are increasing in the prescreening population. Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS/HIPEC) has been proven effective in select patients with peritoneal carcinomatosis (PC) from CRC, although it has not been evaluated specifically in patients < 50 years.

Methods

CRC patients aged < 50 years at diagnosis undergoing CRS/HIPEC 2007–2017 were compared with those aged ≥ 50 years. Age distribution was analyzed in patients undergoing colectomy alone versus CRS/HIPEC for CRC 1993–2013.

Results

A total of 98 patients underwent CRS/HIPEC, of which 44% were < 50 years. Younger patients were more likely to present with synchronous peritoneal metastases (p = 0.050). Receipt of perioperative chemotherapy was comparable (p = not significant [NS]). Charlson Comorbidity Index and ECOG score were similar (p = NS). Tumor grade was similar (p = NS). Peritoneal Carcinomatosis Index, total organs resected, and anastomoses created were comparable (p = NS). Major Clavien-Dindo morbidity and LOS were similar (p = NS). Younger patients survived longer after CRS/HIPEC (p = 0.011). Demographic data from patients undergoing colectomy (n = 225) and CRS/HIPEC (n = 98) showed that age < 50 years was increasingly common with the more aggressive procedure (9% and 44% respectively, p < 0.001).

Conclusions

Younger patients with PC from CRC presented more often with peritoneal metastases at the time of diagnosis. Yet despite similar perioperative features at CRS/HIPEC, they survived longer than older patients. Patients undergoing CRS/HIPEC are overall younger than those undergoing index colectomy.

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