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Outcomes of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for colorectal cancer with peritoneal metastasis.

ABSTRACT: In Taiwan, colorectal cancer with peritoneal carcinomatosis is considered a terminal condition. We examined the clinical outcomes of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (HIPEC) treatment for colorectal cancer with peritoneal carcinomatosis in Taiwan.We enrolled patients with colorectal cancer and peritoneal metastasis from Taipei Medical University, Wanfang Hospital between January 1999 and December 2014. Of the enrolled patients, 3 had mucinous-type tumors. In total, we enrolled 31 patients who underwent a total of 33 procedures. Of the 31 patients, 2 received the HIPEC procedure twice. Cytoreductive surgery was performed followed by HIPEC. The hazard ratios of death following cytoreductive surgery and HIPEC were calculated using the Cox proportional hazards model.The 2- and 5-year overall survival rates of these patients following cytoreductive surgery and HIPEC were 57% and 38%, respectively. The completeness of cytoreduction (CC) scores were CC-0, CC-1, CC-2, and CC-3 in 18 (54.5%), 3 (9%), 7 (21.2%), and 5 (15.2%) patients, respectively. The mean peritoneal cancer index (PCI) was 16.20, and the mean postoperative PCI (PPCI) was 4.6. The major risk factors for death in these patients were a total PCI score?>?20, total PPCI score > 0, and CC score ? 2 (P?=?0.022, 0.031, and 0.0001, respectively; log-rank test). Multivariate analysis revealed that the total PPCI score was the strongest predictor of death following cytoreductive surgery and HIPEC in these patients.In Taiwan, performing cytoreductive surgery and administering HIPEC for treating colorectal cancer with peritoneal metastasis are feasible and resulted in long-term survival. In addition, the total PPCI score was related to poor prognosis following cytoreductive surgery and HIPEC in patients with colorectal cancer and peritoneal metastasis.

SUBMITTER: Lin EK

PROVIDER: S-EPMC5207543 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Outcomes of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for colorectal cancer with peritoneal metastasis.

Lin En-Kwang EK Hsieh Mao-Chih MC Chen Chien-Hsin CH Lu Yen-Jung YJ Wu Szu-Yuan SY

Medicine 20161201 52

In Taiwan, colorectal cancer with peritoneal carcinomatosis is considered a terminal condition. We examined the clinical outcomes of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (HIPEC) treatment for colorectal cancer with peritoneal carcinomatosis in Taiwan.We enrolled patients with colorectal cancer and peritoneal metastasis from Taipei Medical University, Wanfang Hospital between January 1999 and December 2014. Of the enrolled patients, 3 had mucinous-type tumors. In to ...[more]

PMID: 28033247

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Project description:Colorectal cancer peritoneal metastasis (CPM) confers an exceptionally poor prognosis, and traditional treatment involving systemic chemotherapy (SC) is largely ineffective. Cytoreductive surgery (CRS) combined with hyperthermic intraperitoneal chemotherapy (HIPEC) is increasingly advocated for selected patients with CPM; however, opinions are divided because of the perceived lack of evidence, high morbidity, mortality, and associated costs for this approach. As there is no clear consensus, the aim of this study was to compare outcomes following CRS+HIPEC vs SC alone for CPM using meta-analytical methodology, focusing on survival outcomes. Secondary outcomes assessed included morbidity, mortality, quality of life (QOL), and health economics (HE).An electronic literature search was conducted to identify studies comparing survival following CRS+HIPEC vs SC for CPM. The odds ratio (OR) was calculated using the Mantel-Haenszel method with corresponding 95% confidence intervals (CI) and P-values. Heterogeneity was examined using the Q-statistic and quantified with I(2). The fixed-effect model (FEM) was used in the absence of significant heterogeneity. For included studies, 2- and 5-year survival was compared for CRS+HIPEC vs SC alone.Four studies (three case-control, one RCT) provided comparative survival data for patients undergoing CRS+HIPEC (n=187) vs SC (n=155) for CPM. Pooled analysis demonstrated superior 2-year (OR 2.78; 95% CI 1.72-4.51; P=0.001) and 5-year (OR 4.07; 95% CI 2.17-7.64; P=0.001) survival with CRS+HIPEC compared with SC. Mortality ranged from 0 to 8%. No data were available for the assessment of QOL or HE.Although limited by between-study heterogeneity, the data support the assertion that in carefully selected patients, multimodal treatment of CPM with CRS+HIPEC has a highly positive prognostic impact on medium- and long-term survival compared with SC alone. There is a paucity of comparative data available on morbidity, QOL, and HE.

Dataset Information

Outcomes of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for colorectal cancer with peritoneal metastasis.

Publications

Outcomes of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for colorectal cancer with peritoneal metastasis.

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