OOIR: Observatory of International Research

Papers

(The H4-Index of European Journal of Internal Medicine is 35. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Impact of adherence to EULAR quality indicators on the quality of life of patients with systemic lupus erythematosus	409
Internists or specialists-that is the question!	160
Impact of thoracoabdominal imaging on diagnosis and management in patients with suspected infective endocarditis	153
Abdominal aortic aneurysm and gas in the kidney in a diabetes patient	108
A man with brown macules on the limbs	105
Validation of the AF-ESUS score to identify patients with embolic stroke of undetermined source and low risk of device-detected atrial fibrillation	104
Telemedicine in internal medicine: A statement by the European Federation of Internal Medicine.	95
Sodium-glucose cotransporter2 inhibitor-associated ketoacidosis in nondiabetic patients	71
The role of age in recognizing cognitive impairment in the emergency department	67
Non-pharmacological home remedies used by primary care patients	62
Effects of the implementation of the dynamic silver code in the emergency department	59
The higher the serum albumin, the better? Findings from the PRACTICE study	59
The impact of the COVID-19 Pandemic on hypertension phenotypes (ESH ABPM COVID-19 study)	57
Safety of treatment with chloroquine and hydroxychloroquine: A ten-year systematic review and meta-analysis	56
Refining risk assessment for intra-abdominal infections in immunocompromised intensive care unit patients	56
Comparative analysis of obesity indices in discrimination and reclassification of cardiovascular disease risk: The ATTICA study (2002–2022)	54
Systolic blood pressure, a predictor of mortality and life expectancy following heart failure hospitalization, 2010–2023	53
Trial sequential analysis methodology for interpreting meta-analytical findings	50
Different impact of chronic kidney disease in older patients with heart failure according to frailty	48
The impact of hypoalbuminemia on the long-term prognosis of patients with acute heart failure: The modifying role of carbohydrate antigen 125	48
How the theory of centralized aerobic-anaerobic energy balance compensation explains sudden cardiac death in young athletes	47
Risk trajectory of cardiovascular events after an exacerbation of chronic obstructive pulmonary disease: A systematic review and meta-analysis	45
Recurrence rates and risk factors for recurrence after first episode of acute pancreatitis: A systematic review and meta-analysis	41
Clinical presentation of secondary infectious complications in COVID-19 patients in intensive care unit treated with tocilizumab or standard of care	41
Beyond atrial fibrillation detection: how digital tools impact the care of patients with atrial fibrillation	41

Refining metabolic health assessment in inflammatory bowel disease risk prediction	40
Reduced COVID-19 mortality linked with early antibodies against SARS-CoV-2, irrespective of age	40
Medicine before and after David Cox	39
Concerns regarding result analysis and the corresponding risk of pulmonary embolism severity and in-hospital mortality	38
Reconsidering the Edelman equation: impact of plasma sodium concentration, edema and body weight	38
Heart failure: An autopsy case	37
No evidence of a “July Effect” on mortality	36
Prevalence of post-COVID symptoms one-year after SARS-CoV-2 infection in patients with interstitial lung disease	36
The peculiarities of COVID-19 in older people: Considerations after two years	36
Epidemiology of sarcoidosis in northern Spain, 1999-2019: A population-based study	35