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Rheumatology / Original Article
Treatment satisfaction and its determinants in Korean patients with rheumatoid arthritis and systemic lupus erythematosus
Hyo Jin Choi, Mi Ryoung Seo, Eunji Kim, Han Joo Baek
Korean J Intern Med. 2025;40(6):1042-1051. Published online October 28, 2025
Background/Aims: This study aimed to evaluate the treatment satisfaction and its determinants in patients with rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE).
Methods: This cross-sectional study was conducted between September 2021 and December 2021. Data on demographics, clinical..
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Hemato-oncology / Original Article
Real-world treatment outcomes in South Korean patients with epidermal growth factor receptor-mutant non-small cell lung cancer
Young Saing Kim, Eun Young Lee, Hyun Woo Lee, Jin-Hyuk Choi, Tae-Hwan Kim, Yong Won Choi, Mi Sun Ahn
Korean J Intern Med. 2025;40(6):1029-1041. Published online October 31, 2025
Background/Aims: This study aimed to assess the real-world treatment outcomes in South Korean patients with epidermal growth factor receptor (EGFR)-mutant non-small cell lung cancer (NSCLC) receiving first-line (1L) EGFR tyrosine kinase inhibitors (TKIs).
Methods: We used the Health Insurance Revie..
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Pulmonology / Original Article
Predictive value of the modified ROX index for extubation failure in mechanically ventilated patients
Kwonhyung Hyung, Kyung-Eui Lee, Yoon Hae Ahn, Jinwoo Lee, Sang-Min Lee, Hong Yeul Lee
Korean J Intern Med. 2025;40(6):1002-1016. Published online October 31, 2025
Background/Aims: Clinicians use several measures to determine whether patients will tolerate liberation from mechanical ventilation. This study aimed to evaluate the predictive value of the modified ROX index (mROX) for extubation failure. In addition, we sought to find its role in guiding personali..
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Gastroenterology / Original Article
Risk of colorectal cancer in kidney transplant recipients and patients with end-stage renal disease undergoing hemodialysis
Yongchel Ahn, Hoon Yu, Yoonjong Bae, Mina Kim, Seung Bum Lee
Korean J Intern Med. 2025;40(6):952-960. Published online October 28, 2025
Background/Aims: Assessing the risk of colorectal cancer (CRC) after kidney transplantation (KT) in patients with endstage renal disease (ESRD) receiving dialysis is crucial to determine KT’s risks and benefits. In Korea, the study results remain unclear. Therefore, using a nationwide health scree..
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Pulmonology / Review
Shared decision-making for kidney replacement therapy: a comprehensive review and a proposed model
Hyun Jung Shin, Seoyoung Choi, Sejoong Kim
Korean J Intern Med. 2025;40(6):890-908. Published online October 31, 2025
Shared decision-making (SDM) enables patients to actively engage in healthcare decisions by ensuring that treatment options align with their values and preferences. The use of SDM is increasingly recognized in the context of selecting kidney replacement therapy (KRT) for patients with chronic kidney..
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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
Comprehensive analysis of patients with rheumatoid arthritis associated interstitial lung disease
Ji-Won Kim, Ju-Yang Jung, Chang-Hee Suh, Hyoun-Ah Kim
Korean J Intern Med. 2025;40(5):845-855. Published online August 26, 2025
Background/Aims: To investigate the demographics, disease characteristics, and treatment modalities of patients with rheumatoid arthritis (RA) associated interstitial lung disease (ILD), focusing on ILD exacerbation and mortality.
Methods: This retrospective study included individuals aged ≥ 18 y..
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Pulmonology / Original Article
The early impact of COVID-19 vaccines on major events in cardiac, pulmonary, and thromboembolic disease: a population-based study
Myeong Geun Choi, Min-Ho Kim, Eun Mi Chun
Korean J Intern Med. 2025;40(5):801-812. Published online August 26, 2025
Background/Aims: Although COVID-19 vaccines reduce COVID-19 severity, various safety concerns have emerged. This study, involving a population-based cohort, used health insurance data to investigate potential vaccine-related major outcomes, including cardiac, pulmonary, and thromboembolic diseases.
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Pulmonology / Original Article
Efficacy and safety of HL-301 compared with erdosteine in acute bronchitis: a randomized, double-blind, non-inferiority trial
Ji-Yong Moon, Joon Young Choi, Youlim Kim, Hye Jung Park, Yong Bum Park, Seong Yong Lim, Kyung Hoon Min, Deog Kyeom Kim, Chin Kook Rhee, Seung Won Ra, Chang Youl Lee, Yong Il Hwang, Kwang Ha Yoo
Korean J Intern Med. 2025;40(5):790-800. Published online August 26, 2025
Background/Aims: This study evaluated the non-inferiority of HL-301 to erdosteine in terms of symptom relief and the anti- inflammatory effects in acute bronchitis patients not treated with antibiotics.
Methods: In a double-blind, non-inferiority trial, patients were randomized 1:1 to receive eithe..
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Cardiology / Original Article
Impact of guideline-directed medical therapy on the cardiac or non-cardiac death in acute myocardial infarction
Jin-Ho Choi, Dahee Hyun, Seung Ho Hur, Seung Woon Rha, Seung Jae Joo, Hyo-Soo Kim, Myung Ho Jeong; on behalf of KAMIR-NIH investigators
Korean J Intern Med. 2025;40(5):780-789. Published online August 29, 2025
Background/Aims: While the clinical effectiveness of guideline-directed medical therapy (GDMT) is well established in patients with acute myocardial infarction (AMI), its specific impact on cause-specific mortality remains unclear. This study aimed to investigate the impact of GDMT on both cardiac a..
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Cardiology / Original Article
Effect of tegoprazan on temporal variability of platelet reactivity in patients treated with clopidogrel after coronary stenting
Oh-Hyun Lee, Ji Woong Roh, Yongcheol Kim, Eui Im, Deok-Kyu Cho
Korean J Intern Med. 2025;40(5):759-766. Published online March 25, 2025
Background/Aims: Data on the interactions between clopidogrel and tegoprazan are limited. We compared the effects of tegoprazan and proton-pump inhibitors (PPIs) on platelet reactivity.
Methods: Using database data from March 2020 to January 2023, we retrospectively evaluated 262 patients who were ..
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Infectious diseases / Review
Appropriate timing of antibiotic initiation in patients with sepsis or septic shock: a systematic review and meta-analysis
Nam Su Ku, Yongseop Lee, Dae Won Park
Korean J Intern Med. 2025;40(5):725-733. Published online August 26, 2025
Evidence supporting antibiotic administration within 3 hours in sepsis without shock is limited. Therefore, we conducted a systematic review and meta-analysis to determine whether the timing of antibiotic initiation influences mortality in patients with sepsis or septic shock. We comprehensively searched Pub..
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Gastroenterology / Original Article
Submucosal saline injection and mini-probe endoscopic ultrasound to assess endoscopic resectability of colorectal subepithelial tumors
Jung-Bin Park, Ji Eun Baek, June Hwa Bae, Seung Wook Hong, Sung Wook Hwang, Sang Hyoung Park, Byong Duk Ye, Jeong-Sik Byeon, Seung-Jae Myung, Suk-Kyun Yang, Dong-Hoon Yang
Korean J Intern Med. 2025;40(4):592-605. Published online July 1, 2025
Background/Aims: This study aimed to evaluate the feasibility and outcomes of mini-probe endoscopic ultrasound (mEUS) followed by submucosal saline injection (SSI-mEUS) for assessing the endoscopic resectability of colorectal subepithelial lesions (SELs).
Methods: From January 2020 to December 2023..
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Pulmonology / Review
Updates on lung cancer screening for early detection
Se Hyun Kwak, Chi Young Kim, Sang Hoon Lee, Eun Young Kim, Eun Hye Lee, Yoon Soo Chang
Korean J Intern Med. 2025;40(4):546-556. Published online July 1, 2025
This review examines the current status and recent progress in lung cancer screening programs, focusing on low-dose computed tomography (LDCT) and emerging liquid biopsy technologies. In Korea, the National Lung Cancer Screening Program has shown promising results in reducing lung cancer mortality s..
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Rheumatology / Original Article
Clinical perspective on serum periostin in antineutrophil-cytoplasmic antibody-associated vasculitis
Taejun Yoon, Jiyeol Yoon, Eunhee Ko, Yong-Beom Park, Sang-Won Lee
Korean J Intern Med. 2025;40(3):512-523. Published online April 30, 2025
Background/Aims: This study evaluated the clinical utility of serum periostin measured at diagnosis in reflecting activity at diagnosis and predicting all-cause mortality during follow-up in patients with antineutrophil cytoplasmic antibody-associated vasculitis (AAV).
Methods: This study included ..
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Infectious diseases / Original Article
Clinical approach to sexually transmitted infections and pelvic inflammatory disease in women with acute pyelonephritis
Mi-Hee Kim, Hyojin Ahn, Soyeon Kang, Ahra Lee, Seong-Heon Wie
Korean J Intern Med. 2025;40(3):482-490. Published online April 30, 2025
Background/Aims: This study aimed to investigate co-occurrence and clinical characteristics of sexually transmitted infections (STIs) and pelvic inflammatory disease (PID) in women hospitalized for acute pyelonephritis (APN).
Methods: This single-center retrospective study reviewed medical records ..
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Pulmonology / Original Article
Differences in sputum microbiota based on cure status of patients with nontuberculous mycobacterial pulmonary disease
Noeul Kang, Su-Young Kim, Dae Hun Kim, Byung Woo Jhun
Korean J Intern Med. 2025;40(3):449-457. Published online March 25, 2025
Background/Aims: To analyze the characteristics of the sputum microbiota of patients with nontuberculous mycobacteria pulmonary disease (NTM-PD) based on treatment status.
Methods: Twenty-eight sputum samples from 14 patients with NTM-PD, including 14 samples from the microbiologically cured group ..
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Endocrinology-metabolism / Original Article
Persistent influence of past obesity on current adiponectin levels and mortality in patients with type 2 diabetes
Min-Ji Kim, Sung-Woo Kim, Bitna Ha, Hyang Sook Kim, So-Hee Kwon, Jonghwa Jin, Yeon-Kyung Choi, Keun-Gyu Park, Jung Guk Kim, In-Kyu Lee, Jae-Han Jeon
Korean J Intern Med. 2025;40(2):299-309. Published online March 1, 2025
Background/Aims: Adiponectin, a hormone primarily produced by adipocytes, typically shows an inverse relationship with body mass index (BMI). However, some studies have reported a positive correlation between the two. Thus, this study aimed to examine the relationship between adiponectin level and B..
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Cardiology / Original Article
Sex-specific impact of the COVID-19 outbreak on the incidence of metabolic syndrome: a comparative study of 2018–2019 and 2020–2021
Kyeong-Hyeon Chun, Hyun-Jin Kim, Dae Ryong Kang, Jang Young Kim, Wonjin Kim, Yong Whi Jeong, Seung Hwan Han, Kwang Kon Koh; on behalf of the Taskforce Team of the Metabolic Syndrome Fact Sheet of the Korean Society of Cardiometabolic Syndrome
Korean J Intern Med. 2025;40(2):262-274. Published online March 1, 2025
Background/Aims: The coronavirus disease 2019 (COVID-19) pandemic has significantly impacted global health, exacerbated metabolic health issues, and altered lifestyle behaviors. This study examined the sex-specific impact of the COVID-19 outbreak on the incidence of metabolic syndrome using data fro..
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Cardiology / Original Article
Explainable paroxysmal atrial fibrillation diagnosis using an artificial intelligence-enabled electrocardiogram
Yeongbong Jin, Bonggyun Ko, Woojin Chang, Kang-Ho Choi, Ki Hong Lee
Korean J Intern Med. 2025;40(2):251-261. Published online February 21, 2025
Background/Aims: Atrial fibrillation (AF) significantly contributes to global morbidity and mortality. Paroxysmal atrial fibrillation (PAF) is particularly common among patients with cryptogenic strokes or transient ischemic attacks and has a silent nature. This study aims to develop reliable artifi..
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