KJIM :: The Korean Journal of Internal Medicine

Original Article

January 1, 2026

Risk factors for bleeding from gastric antral vascular ectasia

Sung Hyun Cho, Jinyoung Kim, Hee Kyong Na, et al.

Korean J Intern Med. 2026;41(1):74-84.

1. A careful follow-up for bleeding is needed in gastric antral vascular ectasia patients with liver cirrhosis, chronic kidney disease, use of antithrombotic agents, and duodenal bulb involvement. 2. Chronic kidney...

Original Article

January 1, 2026

The effects of Helicobacter pylori eradication and development of immune-mediated disorder in children: a nationwide population-based study in Korea

You Ie Kim, Joon Sung Kim, Sang Yong Kim, et al.

Korean J Intern Med. 2026;41(1):85-94.

1. H. pylori infection has been associated with a risk of IBD in children. 2. Our nationwide study found that H. pylori eradication itself does not increase the development of IBD...

Original Article

January 1, 2026

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, et al.

Korean J Intern Med. 2026;41(1):95-106.

1. The prevalence of hepatitis C tended to increase in younger patients with CD. 2. In particular, a tendency toward an increase in the prevalence of hepatitis C was observed as...

Original Article

January 1, 2026

Comparative efficacy and safety of warfarin and direct oral anticoagulants in patients with end-stage renal disease and atrial fibrillation

Yujin Yang, Sun Hwa Lee, Wonmook Hwang, et al.

Korean J Intern Med. 2026;41(1):107-117.

1. In patients with AF and ESRD, both warfarin and DOACs reduce IS and SE compared with no anticoagulation. 2. DOACs increase MB compared with no anticoagulation but have lower MB...

Original Article

January 1, 2026

Enhanced prediction of left ventricular ejection fraction using electrocardiography with the addition of clinical metadata

Hyun Woong Park, Taeseen Kang, Young-Hoon Seo, et al.

Korean J Intern Med. 2026;41(1):118-130.

1. Integrating clinical metadata (age, NT-proBNP, and sodium levels) with ECG significantly improves the accuracy of LVEF prediction. 2. The AI model achieved an AUC of 0.95, outperforming ECG-based prediction alone...

Original Article

January 1, 2026

Analysis of experiences on telemedicine pilot projects from the perspectives of doctors, pharmacists, and patients

Yeryeon Jung, Hyunah Kim, Jeong-Yeon Kim, et al.

Korean J Intern Med. 2026;41(1):131-142.

1. The research aimed to assess the potential for sustainable telemedicine systems by analyzing satisfaction levels, usage patterns, and the perceived benefits and challenges of telemedicine services. 2. The findings highlight...

Original Article

January 1, 2026

Association between diabetes duration and hyperuricemia: Korea National Health and Nutrition Examination Survey 2016 to 2021

Kyuho Kim, Kyungdo Han, In Young Kim, et al.

Korean J Intern Med. 2026;41(1):143-151.

1. The prevalence of hyperuricemia was 10% in Korean adults with T2DM. 2. The U-shaped association between diabetes duration and hyperuricemia was observed.

Original Article

January 1, 2026

Arteriovenous fistulas are associated with superior outcomes in very elderly hemodialysis patients: a nationwide cohort study

Hyung Duk Kim, Do Hyoung Kim, Hyangkyoung Kim, et al.

Korean J Intern Med. 2026;41(1):152-162.

1. In patients aged ≥ 80 years, AVFs were associated with superior patency outcomes and lower allcause mortality compared with AVGs. 2. These findings provide robust real-world evidence that AVFs should...

Original Article

January 1, 2026

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, et al.

Korean J Intern Med. 2026;41(1):163-174.

1. Low-dose mepolizumab treatment has been clinically effective in reducing the maintenance dose of systemic steroids in patients with refractory EGPA exhibiting severe symptoms. 2. Some patients achieved remission from EGPA...

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