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Endocrinology-metabolism / Original Article
Risk of atrial fibrillation in patients with differentiated thyroid cancer: a nationwide population-based analysis
Jung Heo, Seo Young Sohn, Yun Jin Kim, Sung Woo Cho
Korean J Intern Med. 2026;41(2):286-295. Published online March 1, 2026
Background/Aims: Thyroid hormone suppression therapy (THST) is widely used for long-term management of differentiated thyroid cancer (DTC). However, studies have suggested that THST may increase the risk of atrial fibrillation (AF) in patients with DTC. We aimed to evaluate whether the risk of AF in..
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Endocrinology-metabolism / Original Article
Development of Simple Assessment tool for predict imminent risk of Fracture in Elderly women
So Young Park, Sujin Kwon, Kyoung Jin Kim, Seong Hee Ahn, Ha Young Kim, Kyoung Min Kim; the Epidemiology Committee of the Korean Society of Bone Metabolism
Korean J Intern Med. 2026;41(2):277-285. Published online March 1, 2026
Background/Aims: Previously developed fracture risk prediction models primarily estimate long-term risk and are limited in their ability to predict imminent fractures. We developed a simplified and practical model to predict the short-term fracture risk (1- to 3-year risk) in elderly Korean women.
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Hemato-oncology / Review
Assessment tools for peripheral neuropathy in multiple myeloma
Sung-Soo Park, Kunye Kwak, Seol-Hee Baek, Changgon Kim, Yoon Seok Choi, Yong Park, Byung Soo Kim, Jin Seok Kim, Chang-Ki Min, Ka-Won Kang
Korean J Intern Med. 2026;41(2):230-241. Published online March 1, 2026
Advances in treating multiple myeloma (MM) have improved survival, shifting the management focus toward quality of life. Peripheral neuropathy (PN) is a common treatment-related toxicity that significantly impairs quality of life. However, standardized assessment methods for PN in patients with MM a..
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Allergy / Original Article
Effectiveness of low-dose mepolizumab in refractory eosinophilic granulomatosis with polyangiitis: systemic steroid use and remission
Mi-Ae Kim, Ji-Hyun Lee, Eun-Kyung Kim, Jung-Hyun Kim, Jisoo Park, Se Hee Lee, Tae-Bum Kim
Korean J Intern Med. 2026;41(1):163-174. Published online January 1, 2026
Background/Aims: This study investigated the clinical efficacy of low-dose mepolizumab (100 mg) in controlling severe eosinophilic asthma, aiming to induce eosinophilic granulomatosis with polyangiitis (EGPA) remission and reduce systemic steroid usage. Additionally, we constructed a basic frame for..
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Cardiology / Original Article
Enhanced prediction of left ventricular ejection fraction using electrocardiography with the addition of clinical metadata
Hyun Woong Park, Taeseen Kang, Young-Hoon Seo, Jae-Hyeong Park
Korean J Intern Med. 2026;41(1):118-130. Published online January 1, 2026
Background/Aims: Left ventricular ejection fraction (LVEF) is a key echocardiographic parameter for assessing LV systolic function, guiding the management of many cardiovascular diseases, including heart failure (HF). While traditional electrocardiography (ECG) has been widely used in clinical pract..
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Gastroenterology / Original Article
Prevalence of viral hepatitis A and C in patients with inflammatory bowel disease: a nationwide population-based study in South Korea
Jin Hwa Park, Sang Hyoung Park, Sang Pyo Lee, Kang Nyeong Lee, Hang Lak Lee, Oh Young Lee, Soorack Ryu, Junwon Go
Korean J Intern Med. 2026;41(1):95-106. Published online January 1, 2026
Background/Aims: We investigated whether patients with inflammatory bowel disease (IBD) in Korea have an increased risk of hepatitis A virus (HAV) and hepatitis C virus (HCV) infections and sought to identify the risk factors for these infections.
Methods: We performed a nationwide population-based..
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Gastroenterology / Original Article
Risk factors for bleeding from gastric antral vascular ectasia
Sung Hyun Cho, Jinyoung Kim, Hee Kyong Na, Ji Yong Ahn, Jeong Hoon Lee, Kee Wook Jung, Do Hoon Kim, Kee Don Choi, Ho June Song, Gin Hyug Lee, Hwoon-Yong Jung
Korean J Intern Med. 2026;41(1):74-84. Published online January 1, 2026
Background/Aims: Gastric antral vascular ectasia (GAVE) is a rare but important cause of gastrointestinal (GI) bleeding. The clinical course of GAVE is not well-known, and recurrent bleeding from GAVE is a therapeutic challenge. Therefore, we investigated the clinical course of GAVE and identified t..
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Endocrinology-metabolism / Review
Advanced strategies for the management of patients with diabetic foot ulcers: a comprehensive review
Ji Min Kim, Chong Hwa Kim, Seon Mee Kang, Jung Hwa Jung, Ki Chun Kim, Sanghyun Ahn, Tae Sun Park, Ie Byung Park
Korean J Intern Med. 2026;41(1):47-59. Published online January 1, 2026
Diabetic foot ulcers (DFUs) are among the most serious and common complications of diabetes mellitus. They significantly affect patients’ quality of life and impose a substantial economic burden on healthcare systems worldwide. In Korea, the prevalence of diabetes and related complications, such a..
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Rheumatology / Original Article
Real-world clinical response and efficacy of tacrolimus-based maintenance therapy for Korean patients with lupus nephritis
Ji-Won Kim, Ju-Yang Jung, Hyoun-Ah Kim, Chang-Hee Suh
Korean J Intern Med. 2025;40(6):1052-1064. Published online October 28, 2025
Background/Aims: We evaluated the efficacy and safety of tacrolimus as maintenance therapy in Korean patients with lupus nephritis (LN).
Methods: A total of 179 patients with biopsy-proven LN were included, of whom 92 received tacrolimus and 87 did not. Clinical parameters were assessed at six mont..
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Pulmonology / Original Article
Effects of adjunctive dobutamine on outcomes among patients with septic shock: a propensity score matching analysis
Sung Yoon Lim, Kyu Jin Lee, Yeonhoon Jang, Yeon Joo Lee, Ryoung-Eun Ko, Gee Young Suh, Dong Kyu Oh, Su Yeon Lee, Mi Hyeon Park, Chae-Man Lim, Sunghoon Park; on behalf of the Korean Sepsis Alliance (KSA) investigators
Korean J Intern Med. 2025;40(6):990-1001. Published online October 31, 2025
Background/Aims: Despite some evidence supporting its utility, the role of adjunctive dobutamine in the management of septic shock remains unclear.
Methods: The nationwide prospective sepsis cohort of the Korean Sepsis Alliance was analyzed. Adult patients with septic shock receiving norepinephrine..
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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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Nephrology / Review
Clinical challenges and individualized approaches to dialysis therapy in older adults
Sungmi Kim, Yu Ah Hong
Korean J Intern Med. 2025;40(6):909-926. Published online October 31, 2025
Global population aging has substantially increased in the number of older adults who undergo kidney replacement therapy (KRT). Age-related physiological changes and functional dependence in this population lead to the multifaceted clinical and ethical challenges associated with KRT. Geriatric syndr..
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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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Nephrology / Original Article
Association of kidney function and proteinuria with lower-extremity dysfunction in older Korean adults: a cross-sectional study
Bongjo Kim, Eun-Bin Lim, Young Sang Lyu, Minkook Son, Youngmin Yoon
Korean J Intern Med. 2025;40(5):823-834. Published online July 25, 2025
Background/Aims: Chronic kidney disease (CKD) is associated with complications that affect physical function and mobility. This study investigated the associations between kidney function, proteinuria, and lower-extremity dysfunction.
Methods: Data were obtained from the Korean National Health Insu..
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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
Automatic quantitative analysis of atherosclerotic aortic plaques in patients with embolic cerebral infarction using deep learning
Hye Jin Bang, Jae-Hyeong Park, Sun Geu Chae, Suk Joo Bae, Ji-Hoon Jung, You Hee Cho, Jong Won Park, Dae-Won Kim, Jung Sun Cho
Korean J Intern Med. 2025;40(5):767-779. Published online August 26, 2025
Background/Aims: Transesophageal echocardiography (TEE) is a commonly used imaging modality for assessing embolic stroke of undetermined source (ESUS) in clinical practice. We aimed to develop an automatic plaque segmentation model based on U-net and evaluate its clinical usefulness in patients with..
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Gastroenterology / Original Article
Predicted pro-inflammatory high-sensitivity C-reactive protein score and inflammatory bowel disease: a cross-sectional study
Dong Hyun Kim, Akinkunmi Paul Okekunle, Jioh Kang, Hyun-Soo Kim, Sang Hoon Kim, Min Kyu Jung, Jae Ho Park, Soo Young Na, Hoonjai Chun, Jung Eun Lee, Yun Jeong Lim
Korean J Intern Med. 2025;40(5):734-746. Published online July 17, 2025
Background/Aims: The role of pro-inflammatory factors in the pathogenesis of inflammatory bowel diseases (IBD), is not well understood. This study investigated the association between the predicted pro-inflammatory high-sensitivity C-reactive protein (hs-CRP) score and IBD.
Methods: This study invo..
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Hemato-oncology / Original Article
Decreased frequency and inflammatory change of FoxP3+ regulatory T cells in immunopathogenesis of human acute graft-versus-host disease
Nayeon Seong, Cheongin Yang, Kunye Kwak, Ka-Won Kang, Yong Park, Byung Soo Kim, Seong Hyun Jeong, Joon Seong Park, Yoon Seok Choi
Korean J Intern Med. 2025;40(4):657-666. Published online July 1, 2025
Background/Aims: Acute graft-versus-host disease (GvHD) is a severe complication of allogeneic stem cell transplantation, characterized by immune-mediated tissue damage primarily affecting the skin, liver, and gastrointestinal tract. Regulatory T (Treg) cells play a critical role in maintaining immu..
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Endocrinology-metabolism / Original Article
Association between body mass index and survival after hematopoietic stem cell transplantation
Han-Sang Baek, Jong Hyuk Lee, Joonyub Lee, Seung-Hwan Lee, Gi June Min, Sung-Soo Park, Silvia Park, Sung-Eun Lee, Byung-Sik Cho, Ki-Seong Eom, Yoo-Jin Kim, Seok Lee, Hee-Je Kim, Chang-Ki Min, Seok-Goo Cho, Jong Wook Lee, Jae-Ho Yoon
Korean J Intern Med. 2025;40(4):645-656. Published online July 1, 2025
Background/Aims: The unclear relationship between body mass index (BMI) and post-hematopoietic stem cell transplantation (HSCT) mortality was investigated, including the impact of metabolic diseases.
Methods: This retrospective study conducted at a Korean tertiary hospital (2009–2021) included patie..
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