KJIM :: The Korean Journal of Internal Medicine

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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