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Langenbecks Arch Surg. 2017 May 22. doi: 10.1007/s00423-017-1589-2. [Epub ahead of print]
Influence of higher BMI for hepatitis B- and C-related hepatocellular carcinomas.
Hashimoto M1, Tashiro H2, Kobayashi T1, Kuroda S1, Hamaoka M1, Ohdan H1.
Author information
1 Department of Gastroenterological and Transplant Surgery, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-Ku, Hiroshima, 734-8557, Japan.
2 Department of Surgery, Kure Medical Center, National Hospital Organization, 3-1 Aoyama, Kure City, Hiroshima, 737-0023, Japan. [email protected].
Abstract
PURPOSE:
Although obesity is associated with hepatocellular carcinoma (HCC) development, its impact on the surgical outcomes of patients with hepatitis B virus (HBV)-and hepatitis C virus (HCV)-related HCC remains unclear.
METHODS:
We retrospectively analyzed 714 patients with HCC who underwent curative hepatectomy. Among them, the HBV-related HCC group (n = 125) and HCV-related HCC group (n = 426) were subdivided according to the presence of body mass index (BMI) ≥ 25 kg/m2. The surgical outcomes were compared.
RESULTS:
The 5-year overall survival rate after hepatectomy in the HBV-related HCC group was significantly better than that in the HCV-related HCC group. The 5-year overall survival rates of the HBV-related HCC with and without BMI ≥ 25 kg/m2 groups were 65 and 85%, respectively. The 5-year overall survival rates in the HCV-related HCC with and without BMI ≥ 25 kg/m2 groups were 75 and 65%, respectively. The HBV-related HCC with BMI ≥ 25 kg/m2 groups had a significantly worse prognosis than the HBV-related HCC without BMI ≥ 25 kg/m2 groups, while the HCV-related HCC with BMI ≥ 25 kg/m2 groups had a significantly better prognosis than the HCV-related HCC without BMI ≥ 25 kg/m2 groups. Multivariate analysis revealed that BMI ≥ 25 kg/m2 was the positive and negative prognostic factor for the surgical outcomes of patients with HBV- and HCV-related HCC, respectively.
CONCLUSIONS:
BMI ≥ 25 kg/m2 negatively affected the surgical outcomes of patients with HBV-related HCC and positively affected those of patients with HCV-related HCC.
KEYWORDS:
Body mass index (BMI); Overweight; Patients with HBV-related HCC; Patients with HCV-related HCC; Prognosis
PMID:
28534136
DOI:
10.1007/s00423-017-1589-2
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