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 2021-11-01 to 2025-11-01.)

Article	Citations
Predictors of recurrent acute myocardial infarction despite successful percutaneous coronary intervention	68
Bilateral leg pain and swelling with abnormal imaging findings in a patient with voriconazole	52
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	42
Clinical outcomes of and risk factors for secondary infection in patients with severe COVID-19: a multicenter cohort study in South Korea	36
Incidence and risk factors of immune checkpoint inhibitor-induced colitis in Korean patients with cancer	35
Helicobacter pylori infection and iron deficiency in non-elderly adults participating in a health check-up program	30
Clinical features and signaling effects of RET D631Y variant multiple endocrine neoplasia type 2 (MEN2)	29
Public interest in the digital transformation accelerated by the COVID-19 pandemic and perception of its future impact	28
Disseminated tuberculosis without pulmonary involvement mimicking multiple bone metastases	27
Korean physician prescription patterns for home oxygen therapy in chronic obstructive pulmonary disease patients	25
Current perspectives on sarcopenia: diagnosis and therapeutic approaches	25
Call for evidence mapping in accordance with the changing features of invasive pulmonary aspergillosis during the coronavirus disease 2019 pandemic	25
Decompensated cirrhosis and antibiotic prophylaxis: striking a delicate balance	24
Clinical and epidemiological implications of the data on the Korean clinical hypertension cohort	24
Impaired aldosterone response to potassium and hyperkalemia in patients receiving a renin-angiotensin-aldosterone system inhibitor	24
Sex-specific impact of the COVID-19 outbreak on the incidence of metabolic syndrome: a comparative study of 2018–2019 and 2020–2021	23
Microbiologic pattern and clinical outcome of non-ICU-acquired pneumonia: Korean HAP registry analysis	23
Timing and predictors of death during treatment in patients with multidrug/rifampin-resistant tuberculosis in South Korea	22
Clinical efficacy of angiotensin receptor-neprilysin inhibitor in de novo heart failure with reduced ejection fraction	21
Diagnostic approach for incidental pulmonary nodules	19
Low-dose non-vitamin K antagonist oral anticoagulants in patients with atrial fibrillation	19
Treatment satisfaction and its determinants in Korean patients with rheumatoid arthritis and systemic lupus erythematosus	18
Long-term clinical outcome and risk stratification across stages of cardiovascular-kidney-metabolic syndrome in a nationwide cohort	18
Diagnostic index for acute eosinophilic pneumonia without bronchoscopy in military smokers	17

Unusual polypoid mass in the colon	17
The underestimated significance of nonproliferative lupus nephritis	17
Change in management and outcome of mechanical ventilation in Korea: a prospective observational study	17
The effects of remdesivir on mortality and the requirement for mechanical ventilation in patients with COVID-19: a systematic review stratified by disease severity	16
Treatment pattern of chronic lymphocytic leukemia/small lymphocytic lymphoma in Korea: a multicenter retrospective study (KCSG LY20-06)	16
Predictive role of absolute lymphocyte count in daratumumab-treated patients with relapsed/ refractory multiple myeloma	15
Survey of the management of patients with bronchiectasis: a pilot investigation in Asian populations	15
Metformin and tuberculosis: extraordinary stories of ordinary co-prevalent patients	15
Predicting renal function using fundus photography: role of confounders	14
Cancer treatment-induced bone loss	14
Gold threads around the sacroiliac joints: traces of attempts to relieve pain in a case of advanced ankylosing spondylitis	14
Literature review of non-pharmacological treatment for patients with axial spondyloarthritis	13
Predictors of renal relapse in Koreans with lupus nephritis after achieving complete response: a 35-years of experience at a single center	13
Seeking acceptance: how education shifts views on fecal microbiota transplants for ulcerative colitis in Korea	13
Identification of novel variants for complicating cardiac disease in the scrub typhus infection using whole genome sequencing	13
Antibiotics use patterns in end-of-life cancer patients and medical staff’s perception of antimicrobial stewardship programs	13
A case of esophagogastric junctional outlet obstruction caused by thoracic aortic aneurysm	13
Trends in hospital visits and healthcare costs of gout and seropositive rheumatoid arthritis in Korea from 2010 to 2017 using National Healthcare Claims	13
The effect of the response to the coronavirus disease pandemic on treatment outcomes in patients with lymphoma and multiple myeloma	12
Automatic quantitative analysis of atherosclerotic aortic plaques in patients with embolic cerebral infarction using deep learning	12
Deep appreciation to our reviewers in the past year	12
Predicting Helicobacter pylori infection from endoscopic features	11
Assessment of small fiber neuropathy and distal sensory neuropathy in female patients with fibromyalgia	11
Screening and diagnosis of atrial fibrillation using wearable devices	11
Hematologic malignancy detected on sacroiliac magnetic resonance imaging in a patient with inflammatory back pain	11
Prevalence and predictors of multidrug-resistant bacteremia in liver cirrhosis	11
Comparison of the rapidity of SARS-CoV-2 immune responses between primary and booster vaccination for COVID-19	11
Current status of the diagnosis of chronic pancreatitis by ultrasonographic elastography	11
Urgent need for novel antibiotics in Republic of Korea to combat multidrug-resistant bacteria	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
Clinical impacts of COVID-19 on severe exacerbation and mortality in interstitial lung disease: prognosis 30 days after infection	10
Effective control of a severely progressive recurrent respiratory papillomatosis with repetitive cryotherapy	10
Chest computed tomography scan as an initial diagnostic method for tuberculosis infection detected by mass screening	10
Fever of unknown origin caused by hemophagocytic lymphohistiocytosis associated with diffuse large B-cell lymphoma	10
Distinct microbial signatures of liquid biopsy samples during gastric carcinogenesis and insights from extracellular vesicle analysis	10
Clinical influences of anticentromere antibody on primary Sjögren’s syndrome in a prospective Korean cohort	10
Factors associated with anticholinergic burden among older patients in long-term care hospitals in Korea	9
High vegetable consumption and regular exercise are associated with better quality of life in patients with gout	9
Asymptomatic huge spleen mass	9
Association between the progression of immunoglobulin A nephropathy and a controlled status of hypertension in the first year after diagnosis	9
Efficacy of lower dose pirfenidone for idiopathic pulmonary fibrosis in real practice: a retrospective cohort study	9
Tracheobronchial calcification in a patient treated with warfarin	9
Nighttime administration of antihypertensive medication: a review of chronotherapy in hypertension	9
Rethinking adjunctive dobutamine in septic shock: time to individualize, not generalize	9
Cancer risk in patients with Peutz-Jeghers syndrome in Korea: a retrospective multi-center study	8
Identification and overcoming rituximab resistance in diffuse large B-cell lymphoma using next-generation sequencing	8
Korean treatment recommendations for patients with axial spondyloarthritis	8
Role of catheter ablation in patients with heart failure and atrial fibrillation	8
Dexamethasone synergizes with high-fat diet to increase lipid deposition in adipocytes	8

Metabolic musculoskeletal disorders in patients with inflammatory bowel disease	8
The causal association between sarcopenia and colorectal cancer: a Mendelian Randomization analysis	8
Mechanical ventilation in patients with idiopathic pulmonary fibrosis in Korea: a nationwide cohort study	8
Primary peritoneal carcinoma presented with abdominal pain in patient with kidney transplantation	8
Association between secondhand smoke exposure and new-onset hypertension in self-reported never smokers verified by cotinine	8
Prevalence of chronic rhinosinusitis and its relating factors in patients with bronchiectasis: findings from KMBARC registry	7
Current evidence for prognostic benefit of intravascular imaging-guided percutaneous coronary intervention in chronic total occlusion intervention	7
Increased risk of dementia in patients with primary Sjogren’s syndrome: a nationwide population-based cohort study	7
Deep appreciation to our reviewers in the past year	7
Short-term and long-term outcomes of critically ill patients with solid malignancy: a retrospective cohort study	7
Emotional and cognitive changes in chronic kidney disease	7
Dysphagia aortica relieved by thoracic endovascular aneurysm repair	7
Reliability and validity of the Korean version of the University of California–Los Angeles Scleroderma Clinical Trial Consortium Gastrointestinal Tract instrument in patients with systemic sclerosis	7
Estimated pulse wave velocity as a forefront indicator of developing metabolic syndrome in Korean adults	7
Clinical outcomes of esophageal squamous cell carcinoma in patients aged over 80 years	7
Real-life experience of ledipasvir and sofosbuvir for HCV infected Korean patients: a multicenter cohort study	7
Sex differences in clinical characteristics and long-term outcome in patients with heart failure: data from the KorAHF registry	7
Fecal microbiota transplantation is not a magical treatment, but better too early than too late	7
Explainable paroxysmal atrial fibrillation diagnosis using an artificial intelligence-enabled electrocardiogram	7
Korean guidelines for the management of gout	7
Evaluation and management of hypernatremia in adults: clinical perspectives	7
Prevalence and associated risk of advanced colorectal neoplasia in adults with sarcopenia	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
Massive gastric dilatation	6
Updated risk assessments for sudden cardiac death in hypertrophic cardiomyopathy patients with implantable cardioverter-defibrillator	6
Inflammatory bowel disease in Korea: epidemiology and pathophysiology	6
Denosumab, an effective osteoporosis treatment option for men	6
Adverse drug reactions following treatment of latent tuberculosis infection: a linked national tuberculosis surveillance with claims database	6
CTLA4-Ig protects tacrolimus-induced oxidative stress via inhibiting the AKT/FOXO3 signaling pathway in rats	6
Gastrocolic fistula, a rare complication of repeated gastric surgery	6
Is the anti-centromere antibody a marker for a distinct subset of polyautoimmunity in Sjögren’s syndrome?	6
Analysis of thromboembolic events in head and neck cancer patients who underwent concurrent chemoradiotherapy with cisplatin	6
Influence of creatinine levels on survival in patients with veno-occlusive disease treated with defibrotide	6
Long term management of people with post-tuberculosis lung disease	5
Managing dyslipidemia in chronic kidney disease: a comprehensive overview of evidence and recommendations	5
Kidney transplantation in the elderly	5
Therapeutic effect of multiple functional minicircle vector encoding anti-CD25/IL-10/CXCR3 in allograft rejection model	5
Time to presentation and mortality outcomes among patients with diabetes and acute myocardial infarction	5
Effect of growth hormone releasing hormone on chondrocytes of osteoarthritis	5
Human kidney organoids model the tacrolimus nephrotoxicity and elucidate the role of autophagy	5
Geriatric risk model for older patients with diffuse large B-cell lymphoma (GERIAD): a prospective multicenter cohort study	5
Omega-3 fatty acids and atrial fibrillation	5
Pandemics extend beyond infectious diseases: the emerging threat of non-communicable diseases	5
Effects of statin use on serum creatinine phosphokinase levels in normal thyroid function	5
Hidden benefits beyond herpes zoster: a potential preventive strategy against hepatobiliary diseases	5
A rare case of acute transient thyroid swelling without hematoma after fine needle aspiration	5
Endoscopic unusual appearance of stomach in a patient with Crohn’s disease	5
A retrospective observational study of the appropriate starting dose of febuxostat in patients with gout	5
Appropriate timing of antibiotic initiation in patients with sepsis or septic shock: a systematic review and meta-analysis	5
Prognostic role of the neutrophil-to-lymphocyte ratio in patients with chronic kidney disease	5
Echocardiography in acute pulmonary embolism	5
Usefulness of nasal cavity evaluation before high-resolution esophageal manometry in high-risk patients	5
Turning evidence into action: the real challenge of guideline-directed medical therapy in acute myocardial infarction	5
Treatment of rituximab in patients with idiopathic membranous nephropathy: a case series and literature review	5
Exercise capacity and risk of incident atrial fibrillation in healthy adults	5
HFA-PEFF scores: prognostic value in heart failure with preserved left ventricular ejection fraction	5