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. 2014 Dec 20;14(12):e23264.
doi: 10.5812/hepatmon.23264. eCollection 2014 Dec.

Association of Periodontal Diseases and Liver Fibrosis in Patients With HCV and/or HBV infection

Yumiko Nagao  1 , Yuji Kawahigashi  1 , Michio Sata  2
Affiliations

Association of Periodontal Diseases and Liver Fibrosis in Patients With HCV and/or HBV infection

Yumiko Nagao et al. Hepat Mon. .

Abstract

Background: Periodontal disease and systemic health are closely associated. However, there is no data supporting the association between periodontal disease and patients with liver diseases associated with hepatitis C virus (HCV) and/or hepatitis B virus (HBV) infection.

Objectives: The aim of this study was to evaluate the association between periodontitis and progression of liver diseases in patients with HCV and/or HBV infection.

Patients and methods: In this retrospective study, 351 patients with HCV- and/or HBV-related liver diseases underwent screening for periodontal disease using the Salivaster® salivary occult blood test from February 2010 to June 2014. Furthermore, we examined the prevalence of fimbrillin (fimA) genotype of Porphyromonas gingivalis (P. gingivalis) in 28 HCV-infected patients visited at our hospital between January 2013 and June 2014. P. gingivalis with fimA genotype with types I to V was further detected using a PCR method.

Results: Of 351 patients, 76 patients (group 1) had a strong positive result for salivary occult blood test and 275 patients (group 2) had weak positive or negative test results. Significant factors between the groups were obesity, level of AST, ALT, LDH, ALP, Alb, D.Bil, T.cho, AFP, platelets (Plt), IRI, HOMA-IR, current interferon (IFN) treatment and the daily frequency of tooth brushing. Between-groups analysis indicated that total protein (T.pro) level and liver fibrosis were significant factors. According to multivariate analysis, five factors were associated with periodontal disease as Plt count below 80000, brushing teeth only once a day, current IFN treatment, aged 65 years or older and obesity. The adjusted odds ratios for these five factors were 5.80, 3.46, 2.87, 2.50 and 2.33, respectively, and each was statistically significant. Twenty-eight saliva specimens had positive results for P. gingivalis with fimA genotype types I to V. The prevalence of fimA genotype II was higher in 14 patients with liver cirrhosis or a history of hepatocellular carcinoma treatment (group B, 50.00%) than 14 patients with only hepatitis C (group A, 21.43%).

Conclusions: Periodontitis might be associated with progression of viral liver disease; hence, controlling oral disease is essential for the prevention and management of liver fibrosis.

Keywords: Fibrosis; Fimbrillin; Hepatitis B Virus; Hepatitis C virus; Interferon; Periodontal Disease; Porphyromonas gingivalis.

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Figures

Figure 1.
Figure 1.. Schema for the Subjects
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