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Allergy / Original Article
Clinical features of moderate-to-severe antibiotic allergy in Korea: analysis from the drug allergy safety information sharing system database
Eunsik Bang, Min-Ho Kang, Jee Hyun Kim, Won Jong Song, Su Jeong Song, Eunyoung Sa, Jeong-Min Park, Ji-Hyang Lee, Jeong-Eun Yun, Jiung Jeong, Sujeong Kim, Hwa Young Lee, Kyung Hee Park, Min-Gyu Kang, Sang Min Lee, So Ri Kim, Sae-Hoon Kim, Hye-Ryun Kang
Korean J Intern Med. 2026;41(6):1141-1151. Published online November 1, 2026
Background/Aims: Antibiotics are major causes of drug allergy. Sharing standardized information on culprit agents is essential to prevent recurrent drug allergy. In 2024, the Ministry of Health and Welfare established the Drug Allergy Safety Information Sharing System (DASI), integrated with the Per..
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Pulmonology / Review
Epidemiology of interstitial lung diseases in Asia
Hee-Young Yoon, Felicia S. W. Teo, Ju Hyun Oh, Jin Woo Song
Korean J Intern Med. 2026;41(6):969-981. Published online November 1, 2026
The epidemiology of interstitial lung diseases (ILDs) in Asia has gained increasing attention with the emergence of new population- based datasets and national registries. Current evidence demonstrates that the burden and subtype distribution of ILDs vary considerably across regions, reflecting diff..
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Rheumatology / Original Article
Concomitant cryoglobulinaemic vasculitis alongside ANCA-associated vasculitis: concurrence or coincidental individual occurrence
Jeong Yeop Whang, Jang Woo Ha, Jihye Chung, Yong-Beom Park, Jaewoo Song, Younhee Park, Sang-Won Lee
Korean J Intern Med. 2026;41(5):952-960. Published online September 1, 2026
Background/Aims: Cryoglobulinaemic vasculitis (CryoVas) and antineutrophil cytoplasmic antibody-associated vasculitis (AAV) share the common characteristic of being small vessel vasculitides but exhibit significant differences in pathologic findings. This study investigated the incidence rate of cry..
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Allergy / Original Article
Clinical and immunologic features of adult primary antibody deficiency according to IVIGRT exposure
Jung-Eun Han, Hyun young Lee, Haeng Jun Kim, Yoo Seob Shin, Yeong-Min Ye, Hae-Sim Park
Korean J Intern Med. 2026;41(5):940-951. Published online September 1, 2026
Background/Aims: Primary antibody deficiency (PAD) in adults is increasingly recognized, but remains underdiagnosed and undertreated. We described the clinical and immunologic features of adult patients with PAD according to real-world exposure to intravenous immunoglobulin replacement therapy (IVIGR..
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Pulmonology / Original Article
Probable obesity hypoventilation syndrome in a Korean medical intensive care unit: clinical characteristics and outcomes
Kyu Jin Lee, Hong Yeul Lee, Jinwoo Lee, Sang-Min Lee, Jaeyoung Cho
Korean J Intern Med. 2026;41(5):894-904. Published online September 1, 2026
Background/Aims: Obesity hypoventilation syndrome (OHS) is associated with morbidity and intensive care unit (ICU) utilization. However, data from Asian ICUs are limited. We evaluated the proportion, characteristics, and outcomes of probable OHS among obese patients admitted to a medical ICU (MICU) in ..
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Rheumatology / Original Article
Tumor necrosis factor inhibitor prescribing and persistence by specialty in radiographic axial spondyloarthritis: a Korean claims study
Bon San Koo, Ye-Jee Kim, Yeo-Jin Lee, Yong-Gil Kim, Tae-Hwan Kim
Korean J Intern Med. 2026;41(4):766-778. Published online July 1, 2026
Background/Aims: Although several studies have shown that specialist care may be associated with better outcomes, methodological limitations have made it difficult to draw definitive conclusions. Therefore, we examined real-world patterns of tumor necrosis factor inhibitor (TNFi) use for radiographi..
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Gastroenterology / Original Article
Association between remnant cholesterol and colorectal cancer risk in Korea: a nationwide population-based study
Minkook Son, Jong Yoon Lee, Chi Hyeon Choi, Yeo Wool Kang, Sang Yi Moon, Myeonseok Koh
Korean J Intern Med. 2026;41(3):443-453. Published online May 1, 2026
Background/Aims: Remnant cholesterol (RC) has emerged as a novel lipid marker with potential implications in cardiovascular and metabolic diseases. However, its association with colorectal cancer (CRC) remains unclear.
Methods: We conducted a retrospective cohort study using data from 364,626 Korea..
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Infectious diseases / Original Article
Hemodialysis vascular access infections: epidemiology and risk factors for treatment failure
Shi Nae Yu, Eunjung Lee, Se Yoon Park, Oh-Hyun Cho, Sangchul Yun, Tark Kim, Min Seo Kang, Yae Jee Baek, Jongtak Jung, Tae Hyong Kim
Korean J Intern Med. 2026;41(2):317-327. Published online March 1, 2026
Background/Aims: Infection remains the second leading cause of mortality in patients with end-stage renal disease (ESRD). Despite the direct relationship between hemodialysis vascular access-related infections (HD-VARI) and both prognosis and mortality in ESRD patients, there is a paucity of researc..
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Cardiology / Original Article
Association of the triglyceride-glucose index with cardiovascular outcomes across cardiovascular-kidney-metabolic syndrome stages
Byung Sik Kim, Hyun-Jin Kim, Shinje Moon, Hasung Kim, Jungkuk Lee, Jeong-Hun Shin
Korean J Intern Med. 2025;40(6):961-974. Published online October 31, 2025
Background/Aims: Cardiovascular-kidney-metabolic (CKM) syndrome reflects the interplay between metabolic dysfunction, chronic kidney disease, and cardiovascular disease. Insulin resistance (IR) is a key driver of CKM and is associated with adverse cardiovascular outcomes. The triglyceride-glucose (T..
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Infectious diseases / Review
Current perspectives on sarcopenia: diagnosis and therapeutic approaches
Jung-Yeon Choi, Kwang-il Kim, Cheol-Ho Choi
Korean J Intern Med. 2025;40(6):927-938. Published online October 31, 2025
Korea is experiencing rapid population aging and entered a super-aged society in December 2024. This demographic shift underscores the growing prevalence of sarcopenia, a progressive skeletal muscle disorder related to aging, characterized by reduced muscle mass, strength, and function, which signif..
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Pulmonology / Review
Managing dyslipidemia in chronic kidney disease: a comprehensive overview of evidence and recommendations
Ji Yoon Kim, Suk Min Chung, Nam Hoon Kim
Korean J Intern Med. 2025;40(6):876-889. Published online October 31, 2025
Patients with chronic kidney disease (CKD) have a significantly increased risk of developing cardiovascular disease (CVD), making dyslipidemia management a critical component of cardiovascular risk reduction in this population. However, as the estimated glomerular filtration rate declines, distinct p..
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Rheumatology / Original Article
Altered polyunsaturated fatty acids and oxylipins profile in Behçet’s disease
Mohamed Kacem Ben-Fradj, Ines Naceur, Emna Talbi, Rahma Wada, Omar Feki, Monia Smiti-Khanfir, Moncef Feki
Korean J Intern Med. 2025;40(3):502-511. Published online February 21, 2025
Background/Aims: Behçet’s disease (BD) is an autoinflammatory disease of unknown etiopathogenesis. Oxylipins i.e., prostaglandins, leukotrienes, lipoxins, resolvins, and protectins are bioactive polyunsaturated fatty acids (PUFAs) derivatives involved in inflammatory response induction and resolu..
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Cardiology / Review
2024 KSoLA consensus on secondary dyslipidemia
Hoyoun Won, Jae Hyun Bae, Hyunjung Lim, Minji Kang, Minjoo Kim, Sang-Hak Lee; on behalf of the Clinical Practice Guidelines Committee, Korean Society of Lipid and Atherosclerosis (KSoLA)
Korean J Intern Med. 2024;39(5):717-730. Published online August 30, 2024
Elevated blood cholesterol and triglyceride levels induced by secondary causes are frequently observed. The identification and appropriate handling of these causes are essential for secondary dyslipidemia treatment. Major secondary causes of hypercholesterolemia and hypertriglyceridemia include an u..
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Rheumatology / Original Article
Effectiveness of Korean Red Ginseng on fatigue in patients with rheumatic diseases: a randomized, double-blind, placebo-controlled study
Soo-Kyung Cho, Yeo-Jin Song, Jung-Yong Han, Hye Won Kim, Eunwoo Nam, Yoon-Kyoung Sung
Korean J Intern Med. 2024;39(4):680-690. Published online April 5, 2024
Background: To evaluate the effectiveness of Korean Red Ginseng (KRG) in managing fatigue in Korean patients with rheumatic diseases
Methods: Patients were randomly assigned to KRG (2 g/day, n = 60) or placebo (n = 60) groups for 12 weeks of blind phase and then open-label KRG from weeks 12 to 24 (..
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Pulmonology / Original Article
Development and validation of novel simple prognostic model for predicting mortality in Korean intensive care units using national insurance claims data
Ah Young Leem, Soyul Han, Kyung Soo Chung, Su Hwan Lee, Moo Suk Park, Bora Lee, Young Sam Kim
Korean J Intern Med. 2024;39(4):625-639. Published online April 19, 2024
Background/Aims: Intensive care unit (ICU) quality is largely determined by the mortality rate. Therefore, we aimed to develop and validate a novel prognostic model for predicting mortality in Korean ICUs, using national insurance claims data.
Methods: Data were obtained from the health insurance c..
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Cardiology / Original Article
Impact of an expanded reimbursement policy on utilization of implantable loop recorders in patients with cryptogenic stroke in Korea
Hye Bin Gwag, Nak Gyeong Ko, Mihyeon Jin
Korean J Intern Med. 2024;39(3):469-476. Published online April 18, 2024
Background/Aims: The reimbursement policy for cryptogenic stroke (CS) was expanded in November 2018 from recurrent strokes to the first stroke episode. No reports have demonstrated whether this policy change has affected trends in implantable loop recorder (ILR) utilization.
Methods: We identified ..
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Hemato-oncology / Original Article
Treatment pattern of chronic lymphocytic leukemia/small lymphocytic lymphoma in Korea: a multicenter retrospective study (KCSG LY20-06)
Jung Sun Kim, Tae Min Kim, Myoung Joo Kang, Sung Ae Koh, Hyunkyung Park, Seung-Hyun Nam, Jae Joon Han, Gyeong-Won Lee, Young Jin Yuh, Hee Jeong Lee, Jung Hye Choi
Korean J Intern Med. 2023;38(5):747-757. Published online June 26, 2023
Background/Aims: Little attention is paid to chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) in Korea due to the rarity of the disease. With its rising incidence, we aimed to evaluate recent changes in treatment patterns and survival outcomes of patients with CLL/SLL.
Methods: A t..
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Nephrology / Review
The role of roxadustat in chronic kidney disease patients complicated with anemia
Jie Liu, Fan Yang, Yousuf Waheed, Shulin Li, Kun Liu, Xinglei Zhou
Korean J Intern Med. 2023;38(2):147-156. Published online January 2, 2023
The incidence of chronic kidney disease (CKD) is increasing worldwide and the current prevalence rate is 13.4%. There are > 120 million CKD patients in China and this number is expected to increase. One of the main abnormalities in patients with CKD and kidney impairment is decreased synthesis of er..
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Hemato-oncology / Original Article
Association between serum ferritin levels and colorectal cancer risk in Korea
Hyunho Kim, Kyungdo Han, Seung-Hyun Ko, Ho Jung An
Korean J Intern Med. 2022;37(6):1205-1215. Published online October 25, 2022
Background/Aims: The concentration of serum ferritin, a storage form of iron, may be associated with carcinogenesis in various cancers. There are only limited studies on the relationship between serum ferritin levels and colorectal cancer (CRC) risk, especially in the Asian population. This study ai..
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Nephrology / Original Article
Insufficient early renal recovery and progression to subsequent chronic kidney disease in living kidney donors
Yaerim Kim, Eunjeong Kang, Dong-Wan Chae, Jung Pyo Lee, Sik Lee, Soo Wan Kim, Jang-Hee Cho, Miyeun Han, Seungyeup Han, Yong Chul Kim, Dong Ki Kim, Kwon Wook Joo, Yon Su Kim, Hajeong Lee
Korean J Intern Med. 2022;37(5):1021-1030. Published online April 13, 2022
Background/Aims: Renal recovery of a kidney donor after undergoing nephrectomy though challenging is essential. We aimed to examine the effect of estimated glomerular filtration rate (eGFR) percent change at 1-month post-donation on insufficient kidney function after kidney donation.
Methods: A tot..
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