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Cancer Causes & Control

, Volume 30, Issue 2, pp 165–168 | Cite as

Non-alcoholic fatty liver disease and colorectal cancer survival

  • Kana WuEmail author
  • Mike Z. Zhai
  • Erin K. Weltzien
  • Elizabeth M. Cespedes Feliciano
  • Jeffrey A. Meyerhardt
  • Edward Giovannucci
  • Bette J. Caan
Brief report
  • 246 Downloads

Abstract

Purpose

Liver diseases including non-alcoholic fatty liver disease (NAFLD) and ensuing alterations to the micro-environment may affect development of liver metastasis. Mirroring the rise in obesity rates, prevalence of NAFLD is increasing globally. Our objective was to examine the association between NAFLD and mortality in colorectal cancer patients.

Methods

Colorectal Cancer-Sarcopenia and Near-term Survival (C-SCANS) is a retrospective cohort study which included 3,262 stage I–III patients, aged 18–80 years, and diagnosed between 2006 and 2011 at Kaiser Permanente Northern California. Cox proportional hazards regression was used to calculate multivariable adjusted hazard ratios (HR) and 95% confidence intervals (CI).

Results

After up to 10 years of follow-up, 879 deaths, including 451 from CRC were identified. Cases diagnosed with NAFLD before and within 1 month after CRC diagnosis (pre-existing NAFLD; n = 83) had a HR of 1.64 (95% CI 1.06–2.54) for overall and a HR of 1.85 (95% CI 1.03–3.30) for CRC-specific mortality compared to those without NAFLD. Findings did not differ significantly by sex, stage, tumor location, and smoking status, and were also similar when restricted to obese patients only.

Conclusions

Independent of body mass index and prognostic indicators, CRC patients with pre-existing NAFLD had a worse prognosis than those without NAFLD.

Keywords

Non-alcoholic fatty liver disease Colorectal cancer survival Liver metastasis 

Abbreviations

BMI

Body mass index

CRC

Colorectal cancer

CI

Confidence interval

HR

Hazard ratio

KPNC

Kaiser Permanente Northern California

NAFLD

Non-alcoholic fatty liver disease

Notes

Funding

Grant from the National Cancer Institute R01CA175011 to Dr. Bette Caan is acknowledged.

Supplementary material

10552_2018_1095_MOESM1_ESM.docx (14 kb)
Supplementary material 1 (DOCX 14 KB)

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  1. 1.Department of NutritionHarvard T.H. Chan School of Public HealthBostonUSA
  2. 2.Harvard Medical SchoolBostonUSA
  3. 3.Division of ResearchKaiser Permanente Northern CaliforniaOaklandUSA
  4. 4.Department of Medical Oncology, Dana-Farber Cancer InstituteHarvard Medical SchoolBostonUSA
  5. 5.Department of EpidemiologyHarvard T.H. Chan School of Public HealthBostonUSA

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