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 2021-04-01 to 2025-04-01.)

Article	Citations
Rivaroxaban: striking two birds with one stone	53
Atypical cutaneous features in a patient with adult-onset Still’s disease	49
Clinical outcomes of and risk factors for secondary infection in patients with severe COVID-19: a multicenter cohort study in South Korea	36
Evaluation of the early fluconazole treatment of candidemia protocol with automated short message service alerts: a before-and-after study	32
Real-world evaluation of atezolizumab and etoposide-carboplatin as a first-line treatment for extensive-stage small cell lung cancer	32
Evidence based guidelines for the treatment of Helicobacter pylori infection in Korea 2020	28
Altered polyunsaturated fatty acids and oxylipins profile in Behçet’s disease	22
Emotional and cognitive changes in chronic kidney disease	22
Apparent treatment-resistant hypertension among ambulatory hypertensive patients: a cross-sectional study from 13 general hospitals	22
Acute gouty arthritis of the atlantoaxial joint	21
Increased risk of dementia in patients with primary Sjogren’s syndrome: a nationwide population-based cohort study	20
Renal recovery from membranous lupus nephritis with antineutrophil cytoplasmic antibody-associated glomerulonephritis with belimumab	20
Diagnosis and management of acute colonic diverticulitis: results of a survey among Korean gastroenterologists	19
Explainable paroxysmal atrial fibrillation diagnosis using an artificial intelligence-enabled electrocardiogram	19
Assessment and nonsurgical management of low back pain: a narrative review	18
Pregnancy outcomes in Korean women with ankylosing spondylitis	18
Anti-fibrotic effects of branched-chain amino acids on hepatic stellate cells	18
Optimizing glucose control for diabetic patients undergoing percutaneous coronary intervention	17
Is there sufficient evidence to justify changes in dietary habits in heart failure patients? A systematic review	17
Efficacy and safety of hydroxychloroquine in osteoarthritis: a systematic review and meta-analysis of randomized controlled trials	17
Long-term outcomes in ST-elevation myocardial infarction patients treated according to hospital visit time	17
Estimating the burden of nosocomial exposure to tuberculosis in South Korea, a nationwide population based cross-sectional study	17
Glomerular filtration rate as a kidney outcome of diabetic kidney disease: a focus on new antidiabetic drugs	16
Helicobacter pylori infection and iron deficiency in non-elderly adults participating in a health check-up program	16
Simple renal cysts: no longer simple?	16

Rectal NSAIDs-based combination modalities are superior to single modalities for prevention of post-endoscopic retrograde cholangiopancreatography pancreatitis: a network meta-analysis	16
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	15
Cushing’s syndrome: a rare cause of multiple vertebral fractures shortly after a complicated pregnancy	15
Predictors of recurrent acute myocardial infarction despite successful percutaneous coronary intervention	14
Off-hour presentation and outcomes for percutaneous coronary intervention in acute myocardial infarction with Killip III–IV	14
Aerosolized antibiotics in the treatment of hospital-acquired pneumonia/ventilator-associated pneumonia	14
Burden of comorbidities and medication use in childbearing women with rheumatic diseases: a nationwide population-based study	14
Diabetes screening in South Korea: a new estimate of the number needed to screen to detect diabetes	13
Real-life experience of ledipasvir and sofosbuvir for HCV infected Korean patients: a multicenter cohort study	13
Executive summary of the Korean Society of Nephrology 2021 clinical practice guideline for optimal hemodialysis treatment	13
The role of discharge checklist in guideline-directed medical therapy for heart failure patients	13
A rare adrenocorticotropic hormone-producing nasal neuroendocrine tumor with multiple metastasis	13
Oral beclomethasone dipropionate as an add-on therapy and response prediction in Korean patients with ulcerative colitis	13
Timing of corticosteroids in non-severe non-hospitalized COVID-19 patients: open-label, two-center, randomized controlled study (TICS-COV19 study)	13
Role of echocardiography in acute pulmonary embolism	13
Updated risk assessments for sudden cardiac death in hypertrophic cardiomyopathy patients with implantable cardioverter-defibrillator	13
Corticosteroid outcome may be dependent of duration of use in severe COVID-19	12
Evaluation and management of hypernatremia in adults: clinical perspectives	12
Korean guidelines for the management of gout	12
Nationwide survey of internal medicine hospitalists in Korea: motivation and sustainability of a hospitalist career	12
Real-world effectiveness and safety of adalimumab in Korean patients with intestinal Behcet’s disease: a Korean Association for the Study of Intestinal Diseases (KASID) multicenter study	12
Outcomes according to treatment modalities as a bridge to curative surgery for malignant obstruction of the proximal colon: stent versus stoma	12
Public interest in the digital transformation accelerated by the COVID-19 pandemic and perception of its future impact	12
Massive pleural effusion and cardiomegaly	11
The efficacy and safety of DW1601 in patients with acute bronchitis: a multi-center, randomized, double-blind, phase III clinical trial	11
Gastric inflammatory change due to infected pancreatic pseudocyst mimicking malignant gastroepithelial tumor	11
Atrial fibrillation in critically ill patients who received prolonged mechanical ventilation: a nationwide inpatient report	11
Fecal microbiota transplantation is not a magical treatment, but better too early than too late	11
Hepatic hemangioma: proportion and predictor of surgical treatment with emphasis on its growth rate	10
Artificial intelligence in colonoscopy: from detection to diagnosis	10
Estimated pulse wave velocity as a forefront indicator of developing metabolic syndrome in Korean adults	10
Could histologic healing be a new treatment target in patients with ulcerative colitis?	10
Now is the time to consider reducing the total ischemic time	10
Clinical impact of pleural fluid carcinoembryonic antigen on therapeutic strategy and efficacy in lung adenocarcinoma patients with malignant pleural effusion	10
Relationship between metformin use and mortality in tuberculosis patients with diabetes: a nationwide cohort study	10
Current evidence for prognostic benefit of intravascular imaging-guided percutaneous coronary intervention in chronic total occlusion intervention	10
An unusual cause of a huge abscess in the thigh	10
Prognostic outcome of treatment modalities for epidermal growth factor receptor-mutated advanced lung cancer	10
Bilateral leg pain and swelling with abnormal imaging findings in a patient with voriconazole	10
2024 KSoLA consensus on secondary dyslipidemia	10
Dysphagia aortica relieved by thoracic endovascular aneurysm repair	10
Tight junction protein changes in irritable bowel syndrome: the relation of age and disease severity	9
A novel strategy for predicting critical illness in hospital-acquired COVID-19	9
Clinical outcomes of esophageal squamous cell carcinoma in patients aged over 80 years	9
Deep appreciation to our reviewers in the past year	9
Short-term and long-term outcomes of critically ill patients with solid malignancy: a retrospective cohort study	9
Incidence and risk factors of immune checkpoint inhibitor-induced colitis in Korean patients with cancer	9
A patient with dyspnea and multiple pulmonary nodules	9
Lung ultrasound for early diagnosis and severity assessment of pneumonia in patients with coronavirus disease 2019	9
Adverse drug reactions following treatment of latent tuberculosis infection: a linked national tuberculosis surveillance with claims database	9

Current status of modifiable risk factors for cardiovascular disease in Korean women	9
The characteristics of Korean elderly multiple myeloma patients aged 80 years or over	9
Fisher discriminant analysis of multimodal ultrasound in diagnosis of cervical metastatic lymph nodes in papillary thyroid cancer	8
Comorbidities associated with high-risk obstructive sleep apnea based on the STOP-BANG questionnaire: a nationwide population-based study	8
Clinical features and signaling effects of RET D631Y variant multiple endocrine neoplasia type 2 (MEN2)	8
Factors influencing occurrence of metachronous gastric cancer after endoscopic resection: a systematic review and meta-analysis	8
Additive effect of probiotics (Mutaflor) on 5-aminosalicylic acid therapy in patients with ulcerative colitis	8
Effect of Helicobacter pylori treatment on the long-term mortality in patients with type 2 diabetes	7
Role of endoscopic ultrasound in the diagnosis and local ablative therapy of pancreatic neuroendocrine tumors	7
Analysis of the gut microbiome using extracellular vesicles in the urine of patients with colorectal cancer	7
Role of T cells in ischemic acute kidney injury and repair	7
Musculoskeletal complications in patients with diabetes mellitus	7
How important is dietary management in chronic kidney disease progression? A role for low protein diets	7
The optimal anti-phospholipase A2 receptor cutoff for the diagnosis of idiopathic membranous nephropathy: a single-center retrospective study	7
Diagnostic and therapeutic advances in adults with acute lymphoblastic leukemia in the era of gene analysis and targeted immunotherapy	7
Epidemiology and risk factors associated with avascular necrosis in patients with autoimmune diseases: a nationwide study	7
Changes in respiratory virus infection trends during the COVID-19 pandemic in South Korea: the effectiveness of public health measures	7
Digital clubbing as a result of metastatic lung cancer	6
Analysis of thromboembolic events in head and neck cancer patients who underwent concurrent chemoradiotherapy with cisplatin	6
Single device transcatheter closure for double atrial septal defect under real time three-dimensional image guidance	6
Prevalence and impact of airway diseases on clinical outcomes in idiopathic pulmonary fibrosis	6
Second-look endoscopy findings after endoscopic submucosal dissection for colorectal epithelial neoplasms	6
HER-2 positivity is a high risk of recurrence of stage I gastric cancer	6
Long-term effects of the mean hemoglobin A1c levels after percutaneous coronary intervention in patients with diabetes	6
Messages from new editor-in-chief	6
Prognostic role of the neutrophil-to-lymphocyte ratio in patients with chronic kidney disease	6
Thrombotic and hemorrhagic events in 2016 World Health Organization-defined Philadelphia-negative myeloproliferative neoplasm	6
Urinary angiotensinogen as a marker of elevated blood pressure in patients with chronic kidney disease	6
Two-year clinical outcomes after discontinuation of long-term golimumab therapy in Korean patients with rheumatoid arthritis	6
Clinical impact of proteinase 3-antineutrophil cytoplasmic antibody positivity in eosinophilic granulomatosis with polyangiitis	6
Four-year changes in central fatness, risk of diabetes, and metabolic control in older adults: a cohort study with mediation analysis	6
Is the anti-centromere antibody a marker for a distinct subset of polyautoimmunity in Sjögren’s syndrome?	6
Alterations in lung and gut microbiota reduce diversity in patients with nontuberculous mycobacterial pulmonary disease	6
Change in management and outcome of mechanical ventilation in Korea: a prospective observational study	6
Korean physician prescription patterns for home oxygen therapy in chronic obstructive pulmonary disease patients	6
Impact of non-hepatic hyperammonemia on mortality in intensive care unit patients: a retrospective cohort study	6
Distinctive arterial collaterals caused by aortic occlusion in a patient with antiphospholipid syndrome	6
Hepatic sinusoidal obstruction syndrome/veno-occlusive disease after hematopoietic cell transplantation: historical and current considerations in Korea	6
Influence of creatinine levels on survival in patients with veno-occlusive disease treated with defibrotide	6
Inflammatory bowel disease in Korea: epidemiology and pathophysiology	5
Crystalline light chain cast nephropathy in multiple myeloma	5
Timing and predictors of death during treatment in patients with multidrug/rifampin-resistant tuberculosis in South Korea	5
Gastrocolic fistula, a rare complication of repeated gastric surgery	5
Blood eosinophil count and treatment patterns of chronic obstructive pulmonary disease patients in South Korea using real-world data	5
Massive small bowel bleeding in an immunocompromised patient who underwent steroid treatment	5
Understanding the epidemiology of metabolic dysfunction-associated steatotic liver disease is essential for its management: need for attention to accurate diagnostic coding and classification	5
Decompensated cirrhosis and antibiotic prophylaxis: striking a delicate balance	5
Clinical efficacy of angiotensin receptor-neprilysin inhibitor in de novo heart failure with reduced ejection fraction	5
Long term management of people with post-tuberculosis lung disease	5
Denosumab, an effective osteoporosis treatment option for men	5
Impact of COVID-19 on end-stage kidney disease incidence and clinical practice	5
Efficacy comparison of high-genetic barrier nucleos(t)ide analogues in treatment-naïve chronic hepatitis B patients: a network meta-analysis	5
Massive gastric dilatation	5
The serotype-specific prevalence of pneumococci in hospitalized pneumonia patients with COPD: a prospective, multi-center, cohort study	5
Capecitabine and temozolomide for metastatic intermediate to high-grade pancreatic neuroendocrine neoplasm: a single center experience	5
Bariatric surgery for treatment of morbid obesity in adults	5
Geriatric risk model for older patients with diffuse large B-cell lymphoma (GERIAD): a prospective multicenter cohort study	5
Could assessment of genetic susceptibility be an effective solution to prevent pancreatitis from occurring after endoscopic retrograde cholangiopancreatography?	5
Effect of urinary angiotensinogen and high-salt diet on blood pressure in patients with chronic kidney disease: results from the Korean Cohort Study for Outcome in Patients with Chronic Kidney Disease	5
Approaches and considerations in the endoscopic treatment of T1 colorectal cancer	5
Reply to “The causal association between sarcopenia and colorectal cancer: a Mendelian randomization analysis”	5
Clinical safety and effectiveness of the Genoss drug-eluting stent in real-world clinical practice	5
Clinical characteristics and prognostic factors of non-tuberculous mycobacterial disease in patients with rheumatoid arthritis	5
Who is at risk for immune checkpoint inhibitor-induced colitis among Korean patients?	5
Steps to understanding diabetes kidney disease: a focus on metabolomics	5
Comparative study of the efficacy and safety of Abexol (suspension versus tablets) in patients with gastrointestinal symptoms	5
Low-dose non-vitamin K antagonist oral anticoagulants in patients with atrial fibrillation	5