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Aim: Regional core centers for the management of liver disease, which are located in every prefecture in Japan, not only take the lead in hepatitis care in their respective regions, but also serve a wide range of other functions, such as education, promotion of hepatitis testing, treatment, and research., Method: Since fiscal year 2010, the Hepatitis Information Center has conducted surveys of regional core centers throughout Japan regarding information about their facilities, programs for patient support, training, and education of medical personnel., Results: By compiling and analyzing the results of these surveys, we have elucidated the status of regional core centers and the issues they currently have. We found that regional core centers have come to play widely varied roles in hepatitis treatment and have expanded their programs. These surveys also suggest that uniform accessibility of hepatitis treatment has been implemented throughout Japan., Conclusion: To continue serving their diverse roles, regional core centers require further development of hepatitis care networks that include specialized institutions, primary care physicians, and local and central governments; as well as collaboration with other professions and groups., (© 2019 The Authors. Hepatology Research published by John Wiley & Sons Australia, Ltd on behalf of Japan Society of Hepatology.)

Aim: The association between glycemia and liver fibrosis was analyzed using hemoglobin A1c (HbA1c) and the Fibrosis-4 (FIB-4) index in a large general population cohort that underwent a health checkup., Methods: A total of 6927 subjects without hepatitis B or C virus infection or habitual alcohol intake were enrolled. Non-alcoholic fatty liver disease (NAFLD) was diagnosed by ultrasonography and potential liver fibrosis (FIB-4 index ≥1.3) in NAFLD was analyzed in relation to HbA1c level. Factors associated with potential liver fibrosis of NAFLD were also analyzed., Results: The overall frequency of NAFLD was 27.9% (1935 subjects) and the frequency of NAFLD by HbA1c level (<4.9%, 5.0-5.9%, 6.0-6.9%, 7.0-7.9%, ≥8.0%) was 16%, 27%, 54%, 53%, and 54%, respectively. Among the 1935 NAFLD cases, the frequency of potential liver fibrosis was 25.2% (487 subjects) overall and 19%, 22%, 30%, 52%, and 31%, respectively, by HbA1c category. From multivariate analysis, an HbA1c level ≥6.5% was significantly associated with potential liver fibrosis (P = 0.017, hazard ratio = 1.7)., Conclusions: The prevalence of NAFLD and liver fibrosis of NAFLD increased according to glycemia, up to 8.0% HbA1c. Measuring HbA1c and calculating the FIB-4 index in health checkups could help to identify potential cases of liver fibrosis of NAFLD, which should then be further evaluated using other techniques to confirm liver fibrosis., (© 2018 The Japan Society of Hepatology.)

In Japan, hepatitis B or C virus infection has been a major health issue. For the prevention of liver-related deaths, multifaceted strategies have been taken against hepatitis virus. In fiscal year (FY) 2002, nationwide screening for hepatitis was started as a part of health examinations provided by municipal governments. From FY2007, the hepatitis treatment network has been strengthened by the nationwide establishment of regional government-based hepatitis treatment systems, comprising linked regional core centers, specialized institutions for hepatitis treatment, primary care physicians, and regional governments. Special subsidy program for patients with viral hepatitis was started at FY2008. The range of coverage has been expanding from patients treated with interferon to those on nucleotide analogs or interferon-free therapies, including drug prices and examination expenses. The Basic Act on Hepatitis Measures was established in 2009. The Basic Guidelines for Promotion of Control Measures for hepatitis was issued in 2011, comprising nine principles in order to promote measures for hepatitis B and C. The Hepatitis Information Center was established in 2008. Its mission is to provide up-to-date hepatitis-related information, supporting collaboration between regional core centers, and training medical personnel. The revision of the above-mentioned Basic Guidelines in 2016 set the target as the reduction of patients progressing to cirrhosis and/or liver cancer. Achieving this goal definitely requires active collaboration among the national and local governments, regional core centers, and the Hepatitis Information Center, and participation by medical personnel, patients, and people with awareness., (© 2017 The Authors Hepatology Research published by John Wiley & Sons Australia, Ltd on behalf of Japan Society of Hepatology.)

Aim: To investigate the efficacy of ezetimibe and lifestyle intervention for treating patients with non-alcoholic fatty liver disease (NAFLD) and residual dyslipidemia via a combination of ezetimibe and lifestyle intervention., Methods: Patients with NAFLD with residual dyslipidemia after a 6-month lifestyle intervention program were included. After completion of the 6-month program, the patients received p.o. administration of ezetimibe at 10 mg/day, in addition to lifestyle intervention, for 6 months., Results: Of the 59 patients with NAFLD who had participated in the 6-month lifestyle intervention program between 2007 and 2012, 21 with residual dyslipidemia (10 males and 11 females) were enrolled. Median age was 58 years (range, 27-75), median bodyweight was 63.0 kg (range, 39.4-109.0), median body mass index was 25.4 kg/m2 (range, 18.2-37.1), median alanine aminotransferase was 23 IU/L (14-73), median high-density lipoprotein (HDL) was 58 mg/dL (range, 37-93), median triglycerides (TG) was 105 mg/dL (range, 42-216) and median low-density lipoprotein (LDL) was 153 (66-209) mg/dL. After 6 months of treatment with ezetimibe, serum LDL levels were improved in 15 of 20 (75%) patients (P = 0.0015), while no improvements were observed in the remaining five patient (25%). Ezetimibe was discontinued in one patient who developed skin rash., Conclusion: Ezetimibe is effective for treating residual dyslipidemia after lifestyle intervention in patients with NAFLD., (© 2013 The Japan Society of Hepatology.)