Visceral Fat Accumulation Is Associated with Increased Mortality Rate after Transcatheter Arterial Chemoembolization in Patients with Hepatocellular Carcinoma

Masaya Saito^1*, Yoshihiko Yano^1,2, Hirotaka Hirano¹, Kenji Momose¹, Yuki Kawano¹, Masaru Yoshida^1,3, Takeshi Azuma¹

¹Division of Gastroenterology, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan.
²Center for Infectious Diseases, Graduate School of Medicine, Kobe University, Kobe, Japan.
³Division of Metabolomics Research, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan.

DOI: 10.4236/jct.2015.613122                

Abstract

Aim: Transcatheter arterial chemoembolization (TACE) is thought to be a safe and effective treatment for hepatocellular carcinoma (HCC). However, in some HCC patients, it potentially shortens survival due to liver damage. We aimed to identify independent factors to predict overall survival of HCC after TACE. Methods: We included a total of 96 consecutive HCC patients who underwent TACE at Kobe University Hospital. Areas of skeletal muscle and fat tissue were measured by computed tomography (CT) scan before TACE. We divided the patients into two groups in terms of the presence or absence of 1-year mortality after TACE. Factors associated with 1-year mortality after TACE were assessed by multivariate analyses, and the optimal cut-off values were evaluated using a propensity score. Results: Multivariate analyses showed that visceral fat accumulation on CT was an independent factor associated with 1-year mortality after TACE (p = 0.033). There were no differences in skeletal muscle area and subcutaneous and intermuscular fat area between the two groups. Cut-off values for visceral fat area associated with 1-year mortality after TACE were defined as 33.3 cm²/m² for males and 24.4 cm²/m² for females. Conclusions: High visceral fat area was a prognostic factor associated with increased mortality rate in HCC patients undergoing TACE. Using this value, 1-year mortality risk after TACE would be better estimated before the day TACE was performed.

Keywords

Glucose Metabolism, Liver Cirrhosis, Obesity, Overall Survival, Sarcopenia

Conflicts of Interest

The authors declare no conflicts of interest.

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