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Review

November 1, 2026


Epidemiology of interstitial lung diseases in Asia
Hee-Young Yoon, Felicia S. W. Teo, Ju Hyun Oh, et al.
Korean J Intern Med. 2026;41(6):969-981.

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...

Review

November 1, 2026


Epidemiology and clinical characteristics of progressive pulmonary fibrosis in Asia
Ju Hyun Oh, Felicia S. W. Teo, Hee-Young Yoon, et al.
Korean J Intern Med. 2026;41(6):982-994.

Progressive pulmonary fibrosis (PPF) represents a progressive phenotype across various fibrosing interstitial lung diseases (ILDs). The epidemiology of PPF is confounded by differences in the defining criteria for PPF, data...

Review

November 1, 2026


Gastroesophageal reflux disease as a comorbidity in chronic lung diseases: mechanism, clinical impacts and therapeutic uncertainty
Jin-Young Huh, Jin Woo Song
Korean J Intern Med. 2026;41(6):995-1009.

Chronic lung diseases, particularly chronic obstructive pulmonary disease and interstitial lung disease, are major contributors to global morbidity and mortality. Gastroesophageal reflux disease (GERD) is highly prevalent in these populations...

Review

November 1, 2026


Diagnosis and treatment of extrapulmonary tuberculosis in HIV-infected patients: a persistent challenge
Jihwan Bang
Korean J Intern Med. 2026;41(6):1010-1019.

This review summarizes the current knowledge regarding the epidemiology, diagnostic challenges, and therapeutic considerations of extrapulmonary tuberculosis (EPTB) in HIV-infected patients. Individuals with advanced HIV infection are particularly vulnerable to...

Review

November 1, 2026


Pneumocystis jirovecii pneumonia in non-human immunodeficiency virus patients
Jinnam Kim, Choseok Yoon, Bongyoung Kim, et al.
Korean J Intern Med. 2026;41(6):1020-1039.

Pneumocystis jirovecii pneumonia (PJP) is an important opportunistic fungal infection in immunocompromised hosts. Although its incidence has declined markedly in people with human immunodeficiency virus (HIV) following the widespread use...

Original Article

November 1, 2026


Association of age-adjusted skeletal muscle index and modest alcohol intake with hepatic steatosis and fibrosis in males
Janghan Jung, Jin Lee, Dong Hee Koh, et al.
Korean J Intern Med. 2026;41(6):1065-1076.

1. Higher age-adjusted skeletal muscle mass was independently associated with more severe hepatic steatosis and advanced fibrosis in male patients with MASLD. 2. Modest alcohol consumption was associated with increased hepatic...

Original Article

November 1, 2026


The efficacy and safety of on-label reduced-dose apixaban in patients with atrial fibrillation in real-world practice
Min-Su Jung, Jongmin Hwang, Seongwook Han, et al.
Korean J Intern Med. 2026;41(6):1077-1086.

1. In a large prospective multicenter Korean cohort of 1,655 elderly AF patients meeting on-label criteria for reduced-dose apixaban, the rates of stroke or systemic embolism (1.64 per 100 patient-years)...

Original Article

November 1, 2026


Syncope as a predictor of sudden cardiac arrest: a nationwide population-based study
Yun Gi Kim, Yeji Kim, Joo Hee Jeong, et al.
Korean J Intern Med. 2026;41(6):1087-1100.

1. People who experienced syncope within 5 years of enrollment exhibited a 29% increased risk of SCA after adjust. 2. The association between syncope and SCA was more pronounced in individuals...

Original Article

November 1, 2026


Pleural fluid cytokines in malignant pleural effusion: associations with lung expandability and prediction of pleurodesis outcome
Jarudul Phocharoen, Pimpayao Sodsai, Virissorn Wongsrichanalai, et al.
Korean J Intern Med. 2026;41(6):1104-1113.

1. Pleural fluid cytokines, including TGF-β1, were not associated with lung expandability, as assessed by pleural elastance and post-thoracentesis radiographic findings. 2. Elevated pleural fluid TGF-β1 was significantly associated with pleurodesis...

Original Article

November 1, 2026


Metabolic syndrome and risk of suicide death in South Korea: a nationwide cohort study
Jin Hwa Kim, Young Sang Lyu, Mee Kyoung Kim, et al.
Korean J Intern Med. 2026;41(6):1114-1125.

1. Metabolic syndrome (MetS) is associated with psychological distress and mood disorders, which may be related to suicide risk. 2. In South Korea, MetS showed a possible association with suicide mortality...

Original Article

November 1, 2026


Aspergillus positivity in lower respiratory specimens as a predictor of poor prognosis in invasive pulmonary aspergillosis
Ka Eun Kim, Jung Soo Son, Hyeon Jae Jo, et al.
Korean J Intern Med. 2026;41(6):1126-1137.

1. Aspergillus culture positivity from LRT specimens was associated with higher BAL GM levels, more severe radiologic findings, and increased 6-week mortality. 2. Culture positivity may serve as a practical and...

Original Article

November 1, 2026


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, et al.
Korean J Intern Med. 2026;41(6):1141-1151.

1. This nationwide multicenter study reveals distinctive patterns of antibiotic allergy in Korea, with cefaclor identified as the most frequently reported culprit. 2. Delayed reactions were more strongly associated with sulfonamides,...
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    • Current Issue
    Volume 41(6); Nov 2026
    Image clues to a gynecologic procedure–triggered pheochromocytoma crisis presenting as stress cardiomyopathy with cardiogenic shock
    Chang Hoon Kim, Yisik Kim
    [Epub ahead of print]

    Image of interest

    November 13, 2026
    Differential characteristics of takotsubo cardiomyopathy according to clinical context
    Byung Gyu Kim, Woo Jae Jeong, Heejin Jeong, et al.
    [Epub ahead of print]

    Original Article

    November 13, 2026
    Comparison of JAK inhibitors and biologics with respect to pain reduction in patients with rheumatoid arthritis: data from the KOBIO registry
    Howook Jeon, Hong Ki Min
    [Epub ahead of print]

    Original Article

    November 13, 2026
    Comparison of antiplatelet treatment in patients with clopidogrel nonresponders with or without carriage of CYP2C19 polymorphism
    Yun Myoung Ko, Jeong Kyung Kim, Jeong Hee Kim, et al.
    [Epub ahead of print]

    Original Article

    May 31, 2018
    Treadmill exercise-induced E/e’ elevation as a predictor of cardiovascular event in end-stage renal disease on peritoneal dialysis
    Jong Ho Shin, Ki-Woon Kang, Jung Ho Kim, et al.
    [Epub ahead of print]

    Original Article

    November 11, 2016

    Korean Journal of
    Internal Medicine

    Print ISSN: 1226-3303
    Online ISSN: 2005-6648

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