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 2021-12-01 to 2025-12-01.)

Article	Citations
Predictors of recurrent acute myocardial infarction despite successful percutaneous coronary intervention	46
Clinical impact of pleural fluid carcinoembryonic antigen on therapeutic strategy and efficacy in lung adenocarcinoma patients with malignant pleural effusion	43
Assessment and nonsurgical management of low back pain: a narrative review	36
Clinical features and signaling effects of RET D631Y variant multiple endocrine neoplasia type 2 (MEN2)	35
Public interest in the digital transformation accelerated by the COVID-19 pandemic and perception of its future impact	33
Helicobacter pylori infection and iron deficiency in non-elderly adults participating in a health check-up program	31
Clinical outcomes of and risk factors for secondary infection in patients with severe COVID-19: a multicenter cohort study in South Korea	31
Disseminated tuberculosis without pulmonary involvement mimicking multiple bone metastases	29
Current perspectives on sarcopenia: diagnosis and therapeutic approaches	27
Korean physician prescription patterns for home oxygen therapy in chronic obstructive pulmonary disease patients	25
Incidence and risk factors of immune checkpoint inhibitor-induced colitis in Korean patients with cancer	25
Bilateral leg pain and swelling with abnormal imaging findings in a patient with voriconazole	25
Clinical and epidemiological implications of the data on the Korean clinical hypertension cohort	24
Call for evidence mapping in accordance with the changing features of invasive pulmonary aspergillosis during the coronavirus disease 2019 pandemic	24
Decompensated cirrhosis and antibiotic prophylaxis: striking a delicate balance	23
Microbiologic pattern and clinical outcome of non-ICU-acquired pneumonia: Korean HAP registry analysis	22
Impaired aldosterone response to potassium and hyperkalemia in patients receiving a renin-angiotensin-aldosterone system inhibitor	22
Treatment satisfaction and its determinants in Korean patients with rheumatoid arthritis and systemic lupus erythematosus	20
Long-term clinical outcome and risk stratification across stages of cardiovascular-kidney-metabolic syndrome in a nationwide cohort	19
Timing and predictors of death during treatment in patients with multidrug/rifampin-resistant tuberculosis in South Korea	18
Sex-specific impact of the COVID-19 outbreak on the incidence of metabolic syndrome: a comparative study of 2018–2019 and 2020–2021	18
Diagnostic approach for incidental pulmonary nodules	17
Change in management and outcome of mechanical ventilation in Korea: a prospective observational study	17
Clinical efficacy of angiotensin receptor-neprilysin inhibitor in de novo heart failure with reduced ejection fraction	17
Low-dose non-vitamin K antagonist oral anticoagulants in patients with atrial fibrillation	17

The underestimated significance of nonproliferative lupus nephritis	16
Unusual polypoid mass in the colon	16
Treatment pattern of chronic lymphocytic leukemia/small lymphocytic lymphoma in Korea: a multicenter retrospective study (KCSG LY20-06)	15
Predictive role of absolute lymphocyte count in daratumumab-treated patients with relapsed/ refractory multiple myeloma	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
Metformin and tuberculosis: extraordinary stories of ordinary co-prevalent patients	15
Cancer treatment-induced bone loss	14
Trends in hospital visits and healthcare costs of gout and seropositive rheumatoid arthritis in Korea from 2010 to 2017 using National Healthcare Claims	14
Antibiotics use patterns in end-of-life cancer patients and medical staff’s perception of antimicrobial stewardship programs	13
Predictors of renal relapse in Koreans with lupus nephritis after achieving complete response: a 35-years of experience at a single center	13
Predicting renal function using fundus photography: role of confounders	13
Identification of novel variants for complicating cardiac disease in the scrub typhus infection using whole genome sequencing	13
Gold threads around the sacroiliac joints: traces of attempts to relieve pain in a case of advanced ankylosing spondylitis	13
Diagnostic index for acute eosinophilic pneumonia without bronchoscopy in military smokers	13
Clinical impacts of COVID-19 on severe exacerbation and mortality in interstitial lung disease: prognosis 30 days after infection	12
Seeking acceptance: how education shifts views on fecal microbiota transplants for ulcerative colitis in Korea	12
Hematologic malignancy detected on sacroiliac magnetic resonance imaging in a patient with inflammatory back pain	12
A case of esophagogastric junctional outlet obstruction caused by thoracic aortic aneurysm	12
Deep appreciation to our reviewers in the past year	12
Screening and diagnosis of atrial fibrillation using wearable devices	11
Automatic quantitative analysis of atherosclerotic aortic plaques in patients with embolic cerebral infarction using deep learning	11
Prevalence and predictors of multidrug-resistant bacteremia in liver cirrhosis	11
Literature review of non-pharmacological treatment for patients with axial spondyloarthritis	11
Predicting Helicobacter pylori infection from endoscopic features	11
Urgent need for novel antibiotics in Republic of Korea to combat multidrug-resistant bacteria	11
Current status of the diagnosis of chronic pancreatitis by ultrasonographic elastography	11
Rethinking adjunctive dobutamine in septic shock: time to individualize, not generalize	10
Fever of unknown origin caused by hemophagocytic lymphohistiocytosis associated with diffuse large B-cell lymphoma	10
Comparison of the rapidity of SARS-CoV-2 immune responses between primary and booster vaccination for COVID-19	10
Distinct microbial signatures of liquid biopsy samples during gastric carcinogenesis and insights from extracellular vesicle analysis	10
Epiphrenic esophageal diverticulum: an uncommon cause of upper gastrointestinal bleeding	10
Sex differences in diagnosis and treatment of heart failure: toward precision medicine	10
Assessment of small fiber neuropathy and distal sensory neuropathy in female patients with fibromyalgia	10
Effective control of a severely progressive recurrent respiratory papillomatosis with repetitive cryotherapy	10
Tracheobronchial calcification in a patient treated with warfarin	9
Efficacy of lower dose pirfenidone for idiopathic pulmonary fibrosis in real practice: a retrospective cohort study	9
Factors associated with anticholinergic burden among older patients in long-term care hospitals in Korea	9
Nighttime administration of antihypertensive medication: a review of chronotherapy in hypertension	9
Asymptomatic huge spleen mass	9
High vegetable consumption and regular exercise are associated with better quality of life in patients with gout	9
The causal association between sarcopenia and colorectal cancer: a Mendelian Randomization analysis	8
Role of catheter ablation in patients with heart failure and atrial fibrillation	8
Identification and overcoming rituximab resistance in diffuse large B-cell lymphoma using next-generation sequencing	8
Metabolic musculoskeletal disorders in patients with inflammatory bowel disease	8
Primary peritoneal carcinoma presented with abdominal pain in patient with kidney transplantation	8
Dexamethasone synergizes with high-fat diet to increase lipid deposition in adipocytes	8
Prevalence of chronic rhinosinusitis and its relating factors in patients with bronchiectasis: findings from KMBARC registry	8
Cancer risk in patients with Peutz-Jeghers syndrome in Korea: a retrospective multi-center study	8
Korean treatment recommendations for patients with axial spondyloarthritis	8
Sex differences in clinical characteristics and long-term outcome in patients with heart failure: data from the KorAHF registry	8

Association between the progression of immunoglobulin A nephropathy and a controlled status of hypertension in the first year after diagnosis	8
Fecal microbiota transplantation is not a magical treatment, but better too early than too late	7
Deep appreciation to our reviewers in the past year	7
Adverse drug reactions following treatment of latent tuberculosis infection: a linked national tuberculosis surveillance with claims database	7
Mechanical ventilation in patients with idiopathic pulmonary fibrosis in Korea: a nationwide cohort study	7
Current evidence for prognostic benefit of intravascular imaging-guided percutaneous coronary intervention in chronic total occlusion intervention	7
Korean guidelines for the management of gout	7
Short-term and long-term outcomes of critically ill patients with solid malignancy: a retrospective cohort study	7
Dysphagia aortica relieved by thoracic endovascular aneurysm repair	7
Explainable paroxysmal atrial fibrillation diagnosis using an artificial intelligence-enabled electrocardiogram	7
Clinical outcomes of esophageal squamous cell carcinoma in patients aged over 80 years	7
Estimated pulse wave velocity as a forefront indicator of developing metabolic syndrome in Korean adults	7
Emotional and cognitive changes in chronic kidney disease	6
Influence of creatinine levels on survival in patients with veno-occlusive disease treated with defibrotide	6
Increased risk of dementia in patients with primary Sjogren’s syndrome: a nationwide population-based cohort study	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
Denosumab, an effective osteoporosis treatment option for men	6
Updated risk assessments for sudden cardiac death in hypertrophic cardiomyopathy patients with implantable cardioverter-defibrillator	6
Analysis of thromboembolic events in head and neck cancer patients who underwent concurrent chemoradiotherapy with cisplatin	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
Massive gastric dilatation	6
Real-life experience of ledipasvir and sofosbuvir for HCV infected Korean patients: a multicenter cohort study	6
Long term management of people with post-tuberculosis lung disease	5
Prognostic role of the neutrophil-to-lymphocyte ratio in patients with chronic kidney disease	5
Clinical impact of proteinase 3-antineutrophil cytoplasmic antibody positivity in eosinophilic granulomatosis with polyangiitis	5
Omega-3 fatty acids and atrial fibrillation	5
Exercise capacity and risk of incident atrial fibrillation in healthy adults	5
Reclassification of the overlap syndrome of Behçet’s disease and antineutrophil cytoplasmic antibody-associated vasculitis in patients with Behçet’s disease	5
A retrospective observational study of the appropriate starting dose of febuxostat in patients with gout	5
A rare case of acute transient thyroid swelling without hematoma after fine needle aspiration	5
Effect of growth hormone releasing hormone on chondrocytes of osteoarthritis	5
Inflammatory bowel disease in Korea: epidemiology and pathophysiology	5
Echocardiography in acute pulmonary embolism	5
Prevalence and associated risk of advanced colorectal neoplasia in adults with sarcopenia	5
Appropriate timing of antibiotic initiation in patients with sepsis or septic shock: a systematic review and meta-analysis	5
Managing dyslipidemia in chronic kidney disease: a comprehensive overview of evidence and recommendations	5
Hidden benefits beyond herpes zoster: a potential preventive strategy against hepatobiliary diseases	5
Drug retention of biologic and targeted synthetic disease-modifying antirheumatic drugs in Korean patients with seropositive rheumatoid arthritis	5
Findings suggestive of Fanconi syndrome and multiple myeloma	5
Time to presentation and mortality outcomes among patients with diabetes and acute myocardial infarction	5
Treatment of rituximab in patients with idiopathic membranous nephropathy: a case series and literature review	5
Kidney transplantation in the elderly	5
Usefulness of nasal cavity evaluation before high-resolution esophageal manometry in high-risk patients	5
Pandemics extend beyond infectious diseases: the emerging threat of non-communicable diseases	5
Gastrocolic fistula, a rare complication of repeated gastric surgery	5
Geriatric risk model for older patients with diffuse large B-cell lymphoma (GERIAD): a prospective multicenter cohort study	5
Turning evidence into action: the real challenge of guideline-directed medical therapy in acute myocardial infarction	5
Therapeutic effect of multiple functional minicircle vector encoding anti-CD25/IL-10/CXCR3 in allograft rejection model	5
Left main coronary artery compression associated with unfavorable thoracic anatomy	5
Polymyxin B-hemoperfusion in patients with acute exacerbation of idiopathic pulmonary fibrosis: a single-center prospective pilot study	5
Current perspectives on interstitial lung abnormalities	5
HFA-PEFF scores: prognostic value in heart failure with preserved left ventricular ejection fraction	5
Endoscopic unusual appearance of stomach in a patient with Crohn’s disease	5
Effects of statin use on serum creatinine phosphokinase levels in normal thyroid function	5