Gastroenterology / Original Article
Efficacy comparison of high-genetic barrier nucleos(t)ide analogues in treatment-naïve chronic hepatitis B patients: a network meta-analysis
Jaejun Lee, Ahlim Lee, Pil Soo Sung, Jeong Won Jang, Si Hyun Bae, Jong Young Choi, Seung Kew Yoon, Hyun Yang
Korean J Intern Med. 2024;39(4):577-589. Published online June 13, 2024
Background/Aims: Four high-genetic barrier nucleos(t)ide analogues (NAs) for chronic hepatitis B (CHB), namely entecavir (ETV), tenofovir disoproxil fumarate (TDF), tenofovir alafenamide (TAF), and besifovir dipivoxil maleate (BSV), have been established. The aim of this study is to investigate the ..
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Gastroenterology / Original Article
Impact of hepatitis B virus infection on the risk of gallbladder polyps: a cohort study
Nam Hee Kim, Hong Joo Kim, Ji Hun Kang
Korean J Intern Med. 2023;38(6):844-853. Published online October 18, 2023
Background/Aims: We aimed to determine whether hepatitis B virus (HBV) or hepatitis C virus (HCV) infection remains an important risk factor for gallbladder polyps (GBPs) in the current context of reduced prevalence of these infections.
Methods: The cohort included 392,913 asymptomatic adults who unde..
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Gastroenterology / Original Article
The diagnostic significance of hepatitis C virus antibody levels for chronic hepatitis C virus infection
Jin Gu Kang, Myoung Kuk Jang, Jung Hee Kim, Jang Han Jung, Ji Won Park, Sung Eun Kim, Sang Hoon Park, Myung Seok Lee, Ki Tae Suk, Dong Joon Kim, Hyoung Su Kim
Korean J Intern Med. 2023;38(3):362-371. Published online April 11, 2023
Background/Aims: Although anti-hepatitis C virus (HCV) assay is widely used to screen for HCV infection, it has a high false-positive (FP) rate in low-risk populations. We investigated the accuracy of anti-HCV signal-to-cutoff (S/CO) ratio to distinguish true-positive (TP) from FP HCV infection.
Me..
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Gastroenterology / Original Article
Comorbidities and the use of comedications among patients with chronic hepatitis C in Korea: A nationwide cross-sectional study
Kyung Min Kwon, Jae-Jun Shim, Gi-Ae Kim, Bo Ok Kim, Helin Han, Hyun Jung Ahn
Korean J Intern Med. 2023;38(3):338-348. Published online April 10, 2023
Background/Aims: Chronic hepatitis C (CHC) is the second leading cause of liver-related mortality and is more prevalent in the elderly population in Korea. Decisions to initiate treatment and selection of proper antiviral agents may be challenging among elderly patients due to relevant comorbidities..
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Gastroenterology / Original Article
Real-life experience of ledipasvir and sofosbuvir for HCV infected Korean patients: a multicenter cohort study
Soon Kyu Lee, Sung Won Lee, Hae Lim Lee, Hee Yeon Kim, Chang Wook Kim, Do Seon Song, U Im Chang, Jin Mo Yang, Sun Hong Yoo, Jung Hyun Kwon, Soon Woo Nam, Seok-Hwan Kim, Myeong Jun Song, Jaejun Lee, Hyun Yang, Si Hyun Bae, Ji Won Han, Heechul Nam, Pil Soo Sung, Jeong Won Jang, Jong Young Choi, Seung Kew Yoon
Korean J Intern Med. 2022;37(6):1167-1175. Published online May 27, 2022
Background/Aims: To evaluate the efficacy and safety of ledipasvir/sofosbuvir (LDV/SOF) therapy in hepatitis C virus (HCV)-infected Korean patients in a real clinical setting.
Methods: A total of 273 patients who received LDV/SOF therapy between May 2016 and February 2021 were consecutively enrolle..
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Brief Communication
Changes in the prevalence of hepatitis B and metabolic abnormalities among young men in Korea
Byeong Geun Song, Dong Hyun Sinn, Wonseok Kang, Geum-Youn Gwak, Yong-Han Paik, Moon Seok Choi, Joon Hyeok Lee, Kwang Cheol Koh, Seung Woon Paik
Korean J Intern Med. 2022;37(5):1082-1087. Published online May 13, 2022
Changes in the prevalence of disease over time provide valuable information from a public health perspective. We used data from Korea Military Manpower Administration medical examinations for conscription between 2003 and 2019 (n = 5,355,941), which involved young men aged 19 years, to observe chang..
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Gastroenterology / Original Article
Safety and effectiveness of direct-acting antivirals in patients with chronic hepatitis C and chronic kidney disease
Ji Eun Ryu, Myeong Jun Song, Seok-Hwan Kim, Jung Hyun Kwon, Sun Hong Yoo, Soon Woo Nam, Hee Chul Nam, Hee Yeon Kim, Chang Wook Kim, Hyun Yang, Si Hyun Bae, Do Seon Song, U Im Chang, Jin Mo Yang, Sung Won Lee, Hae Lim Lee, Soon Kyu Lee, Pil Soo Sung, Jeong Won Jang, Jong Young Choi, Seung Kew Yoon
Korean J Intern Med. 2022;37(5):958-968. Published online August 19, 2022
Background/Aims: To evaluate the effectiveness and safety of direct acting antivirals (DAAs) available in chronic kidney disease (CKD) patients with hepatitis C virus (HCV) infection in Korea.
Methods: In a retrospective, multicenter cohort study, 362 patients were enrolled from 2015 to 2019. The e..
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Gastroenterology / Original Article
Effectiveness and safety of elbasvir/grazoprevir in Korean patients with hepatitis C virus infection: a nationwide real-world study
Eun Sun Jang, Kyung-Ah Kim, Young Seok Kim, In Hee Kim, Byung Seok Lee, Youn Jae Lee, Woo Jin Chung, Sook-Hyang Jeong
Korean J Intern Med. 2021;36(Suppl 1):S1-S8. Published online June 17, 2020
Background/Aim: This study aimed to establish the real-world effectiveness and safety of grazoprevir/elbasvir (EBR/GZR) therapy in South Korea.
Methods: A total of 242 patients with chronic hepatitis C virus (HCV) genotype 1 or 4 infection who started EBR/GZR were consecutively enrolled from seven..
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Gastroenterology / Original Article
The predictors of sustained virological response with sofosbuvir and ribavirin in patients with chronic hepatitis C genotype 2
Sung Yong Han, Hyun Young Woo, Jeong Heo, Sang Gyu Park, Sung Ik Pyeon, Young Joo Park, Dong Uk Kim, Gwang Ha Kim, Hyung Hoi Kim, Geun Am Song, Mong Cho
Korean J Intern Med. 2021;36(3):544-556. Published online March 19, 2019
Background/Aims: Real-world, clinical practice data are lacking about sofosbuvir/ ribavirin (SOF/RBV) treatment of Korean patients with hepatitis C virus genotype 2 (HCV GT2) infection. This study investigated the efficacy and safety of SOF/RBV in Korean patients with HCV GT2 infection and clinical ..
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Gastroenterology / Original Article
Comparison of the efficacy and safety of direct-acting antiviral therapy with or without hepatitis C-related hepatocellular carcinoma
Byung Soo Kwan, Jeong Han Kim, Seong Jun Park, Won Hyeok Choe, So Young Kwon, Byung-Chul Yoo
Korean J Intern Med. 2021;36(2):292-304. Published online April 3, 2020
Background/Aims: Chronic hepatitis C (CHC) treatment has dramatically improved since direct-acting antiviral (DAA) therapy was introduced. However, the use of DAA therapy in CHC patients with hepatocellular carcinoma (HCC) remains controversial. We investigated the DAA treatment response in CHC pati..
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Gastroenterology / Original Article
Role of tenofovir disoproxil fumarate in prevention of perinatal transmission of hepatitis B virus from mother to child: a systematic review and meta-analysis
Young-Sun Lee, Ha Seok Lee, Ji Hoon Kim, Sung Won Chang, Myung Han Hyun, Haein Bak, Sehwa Kim, Min-jin Lee, Chan Uk Lee, Young Kul Jung, Yeon Seok Seo, Hyung Joon Yim, Jong Eun Yeon, Soon Ho Um, Kwan Soo Byun
Korean J Intern Med. 2021;36(1):76-85. Published online December 31, 2019
Background/Aims: To prevent the perinatal transmission of hepatitis B virus (HBV) from mother to child, administration of an antiviral agent during pregnancy has been attempted in women who are either hepatitis B e antigen positive or have a high viral load. In this systematic review and meta-analys..
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Gastroenterology / Original Article
Effects of vitamin D supplements in patients with chronic hepatitis C: a randomized, multi-center, open label study
Jae Yoon Jeong, Dae Won Jun, Sol Ji Park, Joo Hyun Sohn, Sang Gyune Kim, Se Whan Lee, Soung Won Jeong, Moon Young Kim, Won Kim, Jae-Jun Shim, Hyoung Su Kim, Ki Tae Suk, Sang Bong Ahn
Korean J Intern Med. 2020;35(5):1074-1083. Published online November 12, 2019
Background/Aims: We aimed to assess the role of vitamin D supplementation in the response to pegylated interferon-α (PEG-IFN-α) plus ribavirin (RBV) treatment in patients with chronic hepatitis C (CHC).
Methods: Our study was a multi-center, randomized controlled trial in 11 hospitals. CHC patient..
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Gastroenterology / Original Article
Prognostic impact of hepatitis B or C on intrahepatic cholangiocarcinoma
Jung Woong Seo, Byung Soo Kwan, Young Koog Cheon, Tae Yoon Lee, Chan Sup Shim, So Young Kwon, Won Hyeok Choe, Byung Chul Yoo, Jeong Min Yoon, Jung Hoon Lee
Korean J Intern Med. 2020;35(3):566-573. Published online January 10, 2020
Background/Aims: Intrahepatic cholangiocarcinoma (ICC) is the second-most common primary liver malignancy, arising from the peripheral intrahepatic bile duct epithelium. Hepatitis B virus (HBV) or hepatitis C virus (HCV) may be involved in the development of ICC. We explored the prognostic value of ..
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Gastroenterology / Original Article
Full-dose sofosbuvir plus low-dose ribavirin for hepatitis C virus genotype 2-infected patients on hemodialysis
Hee Yeon Seo, Myeong-Sook Seo, Sun-Young Yoon, Jong Wook Choi, Soon Young Ko
Korean J Intern Med. 2020;35(3):559-565. Published online May 10, 2019
Background/Aims: New direct-acting antivirals have shown surprising success in the treatment of hepatitis C, not only in the general population, but also in difficult-to-treat cohorts. However, there is still limited data regarding direct-acting antivirals, including sofosbuvir (SOF), in the context..
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Gastroenterology / Original Article
Immunological measurement of aspartate/alanine aminotransferase in predicting liver fibrosis and inflammation
Hyun Jeong Kim, Sang Yeol Kim, Suk Pyo Shin, Young Joo Yang, Chang Seok Bang, Gwang Ho Baik, Dong Joon Kim, Young Lim Ham, Eui Yul Choi, Ki Tae Suk
Korean J Intern Med. 2020;35(2):320-330. Published online January 23, 2019
Background/Aims: Enzymatic analysis of aspartate/alanine aminotransferase (AST/ALT) does not exactly represent the progression of liver fibrosis or inflammation. Immunoassay for AST (cytoplasmic [c] AST/mitochondrial [m] AST) and ALT (ALT1/ALT2) has been suggested as one alternatives for enzymatic a..
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Hemato-oncology / Original Article
Real world data on follicular lymphoma patients treated by rituximab-containing immunochemotherapy and rituximab maintenance
Hee Kyung Kim, Wonseok Kang, Dong Hyun Sinn, Joon Hyeok Lee, Won Seog Kim, Seok Jin Kim
Korean J Intern Med. 2020;35(1):194-204. Published online April 4, 2019
Background/Aims: Real-world data about the treatment outcomes of patients receiving rituximab-containing immunochemotherapy followed by rituximab maintenance are required to understand better the treatment for follicular lymphoma (FL).
Methods: A cross-sectional study analyzed FL patients who were ..
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Nephrology / Original Article
Seropositive rate of the anti-hepatitis A immunoglobulin G antibody in maintenance hemodialysis subjects from two hospitals in Korea
Hyunsuk Kim, Jiwon Ryu, Young-Ki Lee, Myung Jin Choi, Ajin Cho, Ja-Ryong Koo, Sae Yun Baik, Eun Hee Lee, Jong-Woo Yoon, Jung-Woo Noh
Korean J Intern Med. 2019;34(6):1297-1303. Published online February 23, 2018
Background/Aims: Hepatitis A virus (HAV) is a self-limiting infectious disease, but 1% of subjects develop fulminant hepatitis. The prevalence of the anti-HAV immunoglobulin G (IgG) antibody in hemodialysis subjects in Korea remains unknown. The purpose of this study was to describe and compare the ..
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Gastroenterology / Original Article
Platelet count is associated with sustained virological response rates in treatments for chronic hepatitis C
Baek Gyu Jun, Eui Ju Park, Woong Cheul Lee, Jae Young Jang, Soung Won Jeong, Young Don Kim, Gab Jin Cheon, Young Sin Cho, Sae Hwan Lee, Hong Soo Kim, Yun Nah Lee, Sang Gyune Kim, Young Seok Kim, Boo Sung Kim
Korean J Intern Med. 2019;34(5):989-997. Published online March 14, 2018
Background/Aims: This study was conducted to clarify the sustained virological response (SVR) prediction ability of baseline and treatment-related factors in patients with chronic hepatitis C virus (HCV) infection.
Methods: This retrospective study collected data at four tertiary referral hospitals..
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Review
The epidemiology of hepatitis B virus infection in Korea
Sun Young Yim, Ji Hoon Kim
Korean J Intern Med. 2019;34(5):945-953. Published online March 29, 2019
The global burden of hepatitis B virus (HBV) infection is profound, and represents a public health threat as chronic infection can lead to liver cirrhosis, hepatocellular carcinoma, and death. The risk factors for chronic hepatitis B-related liver disease differ according to HBV endemicity, hepatiti..
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Gastroenterology / Original Article
Efficacy of long-term tenofovir disoproxil fumarate therapy in chronic hepatitis B patients with partial virologic response in real practice
Jeong Eun Song, Chang Hyeong Lee, Byung Seok Kim
Korean J Intern Med. 2019;34(4):802-810. Published online April 8, 2019
Background/Aims: The optimal management of chronic hepatitis B (CHB) patients with partial virologic response (PVR) to tenofovir disoproxil fumarate (TDF) remains unclear. We aimed to evaluate the long-term efficacy of prolonged TDF therapy in treatment-naïve CHB patients with PVR to TDF therapy in..
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