OOIR: Observatory of International Research

Papers

(The TQCC of Korean Journal of Internal Medicine is 5. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-08-01 to 2026-08-01.)

Article	Citations
Bilateral leg pain and swelling with abnormal imaging findings in a patient with voriconazole	53
Incidence and risk factors of immune checkpoint inhibitor-induced colitis in Korean patients with cancer	47
Public interest in the digital transformation accelerated by the COVID-19 pandemic and perception of its future impact	42
Clinical impact of pleural fluid carcinoembryonic antigen on therapeutic strategy and efficacy in lung adenocarcinoma patients with malignant pleural effusion	40
Clinical outcomes of and risk factors for secondary infection in patients with severe COVID-19: a multicenter cohort study in South Korea	37
Disseminated tuberculosis without pulmonary involvement mimicking multiple bone metastases	37
Assessment and nonsurgical management of low back pain: a narrative review	31
Current perspectives on sarcopenia: diagnosis and therapeutic approaches	31
Clinical and epidemiological implications of the data on the Korean clinical hypertension cohort	30
Decompensated cirrhosis and antibiotic prophylaxis: striking a delicate balance	29
Timing and predictors of death during treatment in patients with multidrug/rifampin-resistant tuberculosis in South Korea	26
Sex-specific impact of the COVID-19 outbreak on the incidence of metabolic syndrome: a comparative study of 2018–2019 and 2020–2021	22
Clinical features of NAAT-positive, toxin-negative Clostridioides difficile infections in South Korea	21
Impaired aldosterone response to potassium and hyperkalemia in patients receiving a renin-angiotensin-aldosterone system inhibitor	21
Long-term clinical outcome and risk stratification across stages of cardiovascular-kidney-metabolic syndrome in a nationwide cohort	20
Low-dose non-vitamin K antagonist oral anticoagulants in patients with atrial fibrillation	18
Treatment satisfaction and its determinants in Korean patients with rheumatoid arthritis and systemic lupus erythematosus	18
Diagnostic approach for incidental pulmonary nodules	16
Microbiologic pattern and clinical outcome of non-ICU-acquired pneumonia: Korean HAP registry analysis	16
Clinical efficacy of angiotensin receptor-neprilysin inhibitor in de novo heart failure with reduced ejection fraction	16
The underestimated significance of nonproliferative lupus nephritis	15
Unusual polypoid mass in the colon	15
Gold threads around the sacroiliac joints: traces of attempts to relieve pain in a case of advanced ankylosing spondylitis	15
The effects of remdesivir on mortality and the requirement for mechanical ventilation in patients with COVID-19: a systematic review stratified by disease severity	15
Antibiotics use patterns in end-of-life cancer patients and medical staff’s perception of antimicrobial stewardship programs	15

Predictive role of absolute lymphocyte count in daratumumab-treated patients with relapsed/ refractory multiple myeloma	14
Metformin and tuberculosis: extraordinary stories of ordinary co-prevalent patients	14
Treatment pattern of chronic lymphocytic leukemia/small lymphocytic lymphoma in Korea: a multicenter retrospective study (KCSG LY20-06)	14
Predicting renal function using fundus photography: role of confounders	13
Cancer treatment-induced bone loss	13
Identification of novel variants for complicating cardiac disease in the scrub typhus infection using whole genome sequencing	13
A case of esophagogastric junctional outlet obstruction caused by thoracic aortic aneurysm	12
Predicting Helicobacter pylori infection from endoscopic features	12
Hematologic malignancy detected on sacroiliac magnetic resonance imaging in a patient with inflammatory back pain	12
Comparison of the rapidity of SARS-CoV-2 immune responses between primary and booster vaccination for COVID-19	12
Deep appreciation to our reviewers in the past year	12
Seeking acceptance: how education shifts views on fecal microbiota transplants for ulcerative colitis in Korea	12
Autoimmune diseases in the era of COVID-19: emerging mechanisms, clinical implications, vaccine considerations, and future directions	11
Arteriovenous fistulas are associated with superior outcomes in very elderly hemodialysis patients: a nationwide cohort study	11
Screening and diagnosis of atrial fibrillation using wearable devices	11
Korean expert consensus on the management of thrombotic thrombocytopenic purpura	11
Literature review of non-pharmacological treatment for patients with axial spondyloarthritis	11
Automatic quantitative analysis of atherosclerotic aortic plaques in patients with embolic cerebral infarction using deep learning	11
Clinical impacts of COVID-19 on severe exacerbation and mortality in interstitial lung disease: prognosis 30 days after infection	11
Telemedicine in chronic lung disease management: progress and prospects	11
Assessment of small fiber neuropathy and distal sensory neuropathy in female patients with fibromyalgia	11
Epiphrenic esophageal diverticulum: an uncommon cause of upper gastrointestinal bleeding	10
Prevalence and predictors of multidrug-resistant bacteremia in liver cirrhosis	10
Fever of unknown origin caused by hemophagocytic lymphohistiocytosis associated with diffuse large B-cell lymphoma	10
Predictors of renal relapse in Koreans with lupus nephritis after achieving complete response: a 35-years of experience at a single center	10
Nighttime administration of antihypertensive medication: a review of chronotherapy in hypertension	9
Rethinking adjunctive dobutamine in septic shock: time to individualize, not generalize	9
Effective control of a severely progressive recurrent respiratory papillomatosis with repetitive cryotherapy	9
Sex differences in diagnosis and treatment of heart failure: toward precision medicine	9
LncRNA as a diagnostic marker for rheumatoid arthritis: a systematic review and meta-analysis	9
High vegetable consumption and regular exercise are associated with better quality of life in patients with gout	9
Distinct microbial signatures of liquid biopsy samples during gastric carcinogenesis and insights from extracellular vesicle analysis	9
Prevalence of viral hepatitis A and C in patients with inflammatory bowel disease: a nationwide population-based study in South Korea	9
High diffuse bone marrow uptake in 18F-FDG PET/CT may reflect the diverse mutational characteristics of multiple myeloma	9
Tracheobronchial calcification in a patient treated with warfarin	9
Asymptomatic huge spleen mass	8
Primary peritoneal carcinoma presented with abdominal pain in patient with kidney transplantation	8
Clinical outcomes of heart failure with improved ejection fraction in patients treated with angiotensin receptor–neprilysin inhibitor	8
Prevalence of chronic rhinosinusitis and its relating factors in patients with bronchiectasis: findings from KMBARC registry	8
Korean treatment recommendations for patients with axial spondyloarthritis	8
Identification and overcoming rituximab resistance in diffuse large B-cell lymphoma using next-generation sequencing	8
The causal association between sarcopenia and colorectal cancer: a Mendelian Randomization analysis	8
Dexamethasone synergizes with high-fat diet to increase lipid deposition in adipocytes	8
Role of catheter ablation in patients with heart failure and atrial fibrillation	8
Sex differences in clinical characteristics and long-term outcome in patients with heart failure: data from the KorAHF registry	8
Deep appreciation to our reviewers in the past year	7
Metabolic musculoskeletal disorders in patients with inflammatory bowel disease	7
Current evidence for prognostic benefit of intravascular imaging-guided percutaneous coronary intervention in chronic total occlusion intervention	7
Real-life experience of ledipasvir and sofosbuvir for HCV infected Korean patients: a multicenter cohort study	7
Updated risk assessments for sudden cardiac death in hypertrophic cardiomyopathy patients with implantable cardioverter-defibrillator	7

Increased risk of dementia in patients with primary Sjogren’s syndrome: a nationwide population-based cohort study	7
Mechanical ventilation in patients with idiopathic pulmonary fibrosis in Korea: a nationwide cohort study	7
Dysphagia aortica relieved by thoracic endovascular aneurysm repair	7
Too much synchrony? Left bundle branch area pacing-induced systolic anterior motion and left ventricular outflow tract obstruction managed by intentional atrioventricular dyssynchrony	7
From bench to bedside: pancreatic juice as a platform for biomarker discovery in pancreatic disease	7
Clinical outcomes of esophageal squamous cell carcinoma in patients aged over 80 years	7
Distal radial access in acute coronary syndrome patients with good arterial pulsation: a subgroup analysis from the KODRA registry	7
Cancer risk in patients with Peutz-Jeghers syndrome in Korea: a retrospective multi-center study	7
Fecal microbiota transplantation is not a magical treatment, but better too early than too late	7
Percutaneous retrieval of a trapped intravascular ultrasonography catheter within an implanted stent: failure and success	7
Korean guidelines for the management of gout	7
Adverse drug reactions following treatment of latent tuberculosis infection: a linked national tuberculosis surveillance with claims database	7
Denosumab, an effective osteoporosis treatment option for men	6
Short-term and long-term outcomes of critically ill patients with solid malignancy: a retrospective cohort study	6
Therapeutic effect of multiple functional minicircle vector encoding anti-CD25/IL-10/CXCR3 in allograft rejection model	6
Geriatric risk model for older patients with diffuse large B-cell lymphoma (GERIAD): a prospective multicenter cohort study	6
Effects of statin use on serum creatinine phosphokinase levels in normal thyroid function	6
Omega-3 fatty acids and atrial fibrillation	6
Managing dyslipidemia in chronic kidney disease: a comprehensive overview of evidence and recommendations	6
Clinical impact of proteinase 3-antineutrophil cytoplasmic antibody positivity in eosinophilic granulomatosis with polyangiitis	6
Understanding the epidemiology of metabolic dysfunction-associated steatotic liver disease is essential for its management: need for attention to accurate diagnostic coding and classification	6
Prognostic role of the neutrophil-to-lymphocyte ratio in patients with chronic kidney disease	6
Estimated pulse wave velocity as a forefront indicator of developing metabolic syndrome in Korean adults	6
Evaluation and management of hypernatremia in adults: clinical perspectives	6
CTLA4-Ig protects tacrolimus-induced oxidative stress via inhibiting the AKT/FOXO3 signaling pathway in rats	6
Echocardiography in acute pulmonary embolism	6
Usefulness of nasal cavity evaluation before high-resolution esophageal manometry in high-risk patients	6
Analysis of thromboembolic events in head and neck cancer patients who underwent concurrent chemoradiotherapy with cisplatin	6
Massive gastric dilatation	6
Explainable paroxysmal atrial fibrillation diagnosis using an artificial intelligence-enabled electrocardiogram	6
Appropriate timing of antibiotic initiation in patients with sepsis or septic shock: a systematic review and meta-analysis	6
Long term management of people with post-tuberculosis lung disease	6
Pandemics extend beyond infectious diseases: the emerging threat of non-communicable diseases	6
Inflammatory bowel disease in Korea: epidemiology and pathophysiology	6
Association of hyperuricemia with valvular heart disease and the modifying effect of obesity	5
Minimizing radiation exposure in endoscopic retrograde cholangiopancreatography: a review for medical personnel	5
A retrospective observational study of the appropriate starting dose of febuxostat in patients with gout	5
Kidney transplantation in the elderly	5
Herpes zoster infection in patients with inflammatory bowel disease	5
Impact of body mass index on clinical outcomes in intestinal Behçet’s disease	5
New targets for type 2-low asthma	5
Updates on lung cancer screening for early detection	5
Effect of belimumab in patients with systemic lupus erythematosus treated with low dose or no corticosteroids	5
Sarcopenia in chronic kidney disease: from bench to bedside	5
Left main coronary artery compression associated with unfavorable thoracic anatomy	5
Reclassification of the overlap syndrome of Behçet’s disease and antineutrophil cytoplasmic antibody-associated vasculitis in patients with Behçet’s disease	5
Drug hypersensitivity leading to emergency department visit: a comprehensive analysis of clinical features and management	5
Turning evidence into action: the real challenge of guideline-directed medical therapy in acute myocardial infarction	5
Current perspectives on interstitial lung abnormalities	5
Drug retention of biologic and targeted synthetic disease-modifying antirheumatic drugs in Korean patients with seropositive rheumatoid arthritis	5
Financial burden of glycemic control: a single-center retrospective study of diabetes costs in South Korean patients	5
The effect of HFE gene mutation and iron overload on sustained virological response in Egyptian chronic hepatitis C patients treated with daclatasvir and sofosbuvir	5
Genetic susceptibility to post-endoscopic retrograde cholangiopancreatography pancreatitis identified in propensity score-matched analysis	5
Time to presentation and mortality outcomes among patients with diabetes and acute myocardial infarction	5
Findings suggestive of Fanconi syndrome and multiple myeloma	5
Polymyxin B-hemoperfusion in patients with acute exacerbation of idiopathic pulmonary fibrosis: a single-center prospective pilot study	5
Endoscopic unusual appearance of stomach in a patient with Crohn’s disease	5
Exercise capacity and risk of incident atrial fibrillation in healthy adults	5
Prognostic analysis according to adjuvant chemotherapy and anti-HER2 therapy following surgery in T1a/b HER2-positive breast cancer	5
Hidden benefits beyond herpes zoster: a potential preventive strategy against hepatobiliary diseases	5
Real-world clinical response and efficacy of tacrolimus-based maintenance therapy for Korean patients with lupus nephritis	5
Tumor necrosis factor inhibitor prescribing and persistence by specialty in radiographic axial spondyloarthritis: a Korean claims study	5
Leiomyosarcoma at popliteal vein presented as unilateral leg edema in a patient with kidney transplantation	5
Development and validation of equation for cardiorespiratory fitness in patients with heart failure with preserved ejection fraction	5
Biomarkers of the relationship of particulate matter exposure with the progression of chronic respiratory diseases	5