OOIR: Observatory of International Research

Papers

(The TQCC of Acta Cardiologica is 2. 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 2020-04-01 to 2024-04-01.)

Article	Citations
Systemic immune-inflammation index predicts no-reflow phenomenon after primary percutaneous coronary intervention	41
Endothelialitis plays a central role in the pathophysiology of severe COVID-19 and its cardiovascular complications	36
Impact of COVID-19-related public containment measures on the ST elevation myocardial infarction epidemic in Belgium: a nationwide, serial, cross-sectional study	28
The role of concomitant cardiovascular diseases and cardiac biomarkers for predicting mortality in critical COVID-19 patients	21
COVID-19 pandemic and its impact on service provision: A cardiology prospect	21
Use of cardiac telerehabilitation during COVID-19 pandemic in Belgium	20
Blood norepinephrine/epinephrine/dopamine measurements in 108 patients with takotsubo syndrome from the world literature: pathophysiological implications	19
Differences in clinical characteristics and outcome of de novo heart failure compared to acutely decompensated chronic heart failure – systematic review and meta-analysis	16
Aortic valve: anatomy and structure and the role of vasculature in the degenerative process	15
High sensitivity troponin and COVID-19 outcomes	14
Biventricular versus His bundle pacing after atrioventricular node ablation in heart failure patients with narrow QRS	13
Meta-analysis of high power short duration in atrial fibrillation ablation – a superior efficient ablation strategy	12
Heart failure as a complication of COVID-19 infection: systematic review and meta-analysis	12
Covered stent placement for treatment of coarctation of the aorta: immediate and long-term results	11
Relationship between intracoronary thrombus burden and systemic immune-inflammation index in patients with ST-segment elevation myocardial infarction	10
Ticagrelor improves systemic immune-inflammation index in acute coronary syndrome patients	10
Highlights of Acta Cardiologica	10
Physical components of frailty in predicting mortality after transcatheter aortic valve implantation (TAVI)	9
Association of dietary and gut microbiota-related metabolites with calcific aortic stenosis	9
Assessment of COVID-19 deaths from cardiological perspective	8
Direct oral anticoagulants vs. vitamin K antagonists for left ventricular thrombus: a systematic review and meta-analysis	8
Environmental sustainability of medical imaging	8
Cardiac amyloidosis: a review of the literature	8
Diuretic therapy in congestive heart failure	8
Trends in diagnosis, referral, red flag onset, patient profiles and natural outcome of de novo cardiac amyloidosis and their multidisciplinary implications	8

A network meta-analysis of non-vitamin K antagonist oral anticoagulants versus warfarin in patients with atrial fibrillation and diabetes mellitus	8
Low serum potassium levels are associated with the risk of atrial fibrillation	8
Additive prognostic value of high baseline coronary flow velocity to ejection fraction during resting echocardiography: 3-year prospective study	7
Association between Tpeak-Tend/QT and major adverse cardiovascular events in patients with Takotsubo syndrome	7
Risk of stroke and bleeding in relation to hypertension in anticoagulated patients with atrial fibrillation: a meta-analysis of randomised controlled trials	7
Prognostic performance of copeptin among patients with acute decompensated heart failure	7
Patient experiences and willingness-to-pay for cardiac telerehabilitation during the first surge of the COVID-19 pandemic: single-centre experience	7
Remodelling is inversely proportional to left ventricular dimensions in a real-life population of patients with chronic heart failure after therapy with sacubitril/valsartan	7
Impact of plaque burden and composition on coronary slow flow in ST-segment elevation myocardial infarction undergoing percutaneous coronary intervention: intravascular ultrasound and virtual histolog	6
Validity and correlation of quantitative flow ratio with fractional flow reserve for assessment of intermediate coronary lesions	6
Meta-analysis of cardiovascular outcome trials assessing the impact of glucagon-like peptide-1 receptor agonists on major cardiac arrhythmias	6
Remote monitoring of cardiac implantable devices during COVID-19 outbreak: “keep people safe” and “focus only on health care needs”	6
Impact of COVID-19 pandemic on timing and early clinical outcomes of transcatheter aortic valve implantation	6
Evaluation of demographic, clinical, and aetiological data of patients admitted to cardiology clinics and diagnosed with left ventricular hypertrophy in Turkish population (LVH-TR)	6
Epicardial and pericoronary adipose tissue in severe COVID-19 infection	6
AMPK/mTOR-mediated therapeutic effect of metformin on myocardial ischaemia reperfusion injury in diabetic rat	5
The correlation between the left atrial volume index and atrial fibrillation development in heart failure with mildly reduced ejection fraction and long-term follow-up results	5
The role of left atrial peak systolic strain in atrial fibrillation recurrence after catheter ablation. A systematic review and meta-analysis	5
Heart failure with preserved ejection fraction in Belgium: characteristics and outcome of a real-life cohort	5
Association between atherogenic index of plasma and carotid intima-media thickness in a cohort of Mediterranean women	5
Brugada syndrome	5
Incidence of cardiovascular events in patients with chronic myeloid leukaemia treated with tyrosine kinase inhibitors	5
Usefulness of neutrophil-to-lymphocyte ratio for predicting acute pericarditis outcomes	5
Heart failure is associated with accelerated age related metabolic bone disease	5
Impact of the Iranian Registry of Infective Endocarditis (IRIE) and multidisciplinary team approach on patient management	5
Evaluation of index of cardio-electrophysiological balance in patients with coronary slow flow	5
Prognostic utility of shock index and modified shock index on long-term mortality in acute decompensated heart failure; Persian Registry of cardioVascular diseasE/Heart Failure (PROVE/HF) study	5
Impact of objective nutritional indexes on 1-year mortality after transcatheter aortic valve implantation: a prospective observational cohort study	5
Neutrophil-to-lymphocyte ratio predicts coronary artery lesion severity and long-term cardiovascular mortality in patients with unstable angina pectoris	5
Special Issue on ischemic heart disease	5
Autonomic nervous system assessment using heart rate variability	5
Frequency and predictors of no-reflow phenomenon in patients with COVID-19 presenting with ST-segment elevation myocardial infarction	5
The effect of prior COVID-19 infection on coronary microvascular dysfunction	5
Does the long-term administration of proton pump inhibitors increase the risk of adverse cardiovascular outcomes? A ChatGPT powered umbrella review	5
Mexiletine for ventricular arrhythmias in patients with chronic coronary syndrome: a cohort study	5
Absence of detectable effect of radiotherapy and chemotherapy for breast cancer on the presence of low voltage areas in patients receiving left atrial catheter ablation	5
Value of prognostic nutritional index for survival prediction in trans-catheter aortic valve replacement compared to other common nutritional indexes	5
AMPK/Sirt1-mediated inflammation is positively correlated with myocardial fibrosis during ageing	5
Glucose-lowering agents and risk of cardiac arrhythmias	4
Special issue on atrial fibrillation	4
The effect of content knowledge and repeated teaching on teaching and learning basic life support: a cluster randomised controlled trial	4
Infection of cardiac prosthetic valves and implantable electronic devices: early diagnosis and treatment	4
Autonomic symptoms and associated factors in patients with chronic heart failure	4
5-Fluorouracil, capecitabine and vasospasm: a scoping review of pathogenesis, management options and future research considerations	4
Anthracycline-induced cardiotoxicity in women without cardiovascular diseases: molecular and genetic predictors	4
Prognostic value of main pulmonary artery diameter to ascending aorta diameter ratio in patients with advanced heart failure	4
Will quantitative flow ratio replace fractional flow reserve in the cathlab? Commentary to “validity and correlation of quantitative flow ratio with fractional flow reserve for assessment of intermedi	4
Association between serum SCUBE1 levels and thrombus burden in patients with ST-segment elevation myocardial infarction	4
A case of myocarditis following ChAdOx1 nCov-19 vaccination	4
Left atrial phasic volumes and functions changes in asymptomatic patients with sarcoidosis: evaluation by three-dimensional echocardiography	4

Creatinine and NT-ProBNP levels could predict the length of hospital stay of patients with decompensated heart failure	4
Association of HbA1c with carotid artery plaques in patients with coronary heart disease: a retrospective clinical study	4
Risk factors for left atrial appendage thrombus	4
Clinical outcomes of severe tricuspid valve infective endocarditis related to intravenous drug abuse – a case series	4
Increased frequency of occurrence of bendopnea is associated with poor outcomes in heart failure outpatients	4
Focus on valvular heart disease	4
Myocardial involvement in Behçet’s disease may be higher in patients with Neuro-Behçet’s disease: a speckle tracking echocardiographic study	4
Should we routinely assess coronary artery Doppler in daily echocardiography practice?	4
Atrial fibrillation is an independent risk factor for new-onset myocardial infarction: a prospective study	4
Dose–response association between serum uric acid levels and incident hypertension: a systematic review and meta-analysis of 17 prospective cohort studies of 32 thousand participants	4
Real-time three-dimensional echocardiography for detection of cardiac sarcoidosis in the early stage: a cross-sectional single-centre study	4
Increased levels of low density neutrophils (LDNs) in myocardial infarction	4
Impact of routine use of a cerebral protection device on the TAVR procedure and its short-term outcomes: a single-centre experience	4
A patient with COVID-19 presenting multiple thrombi in the left ventricle	4
The prognostic value of C-reactive protein to albumin ratio in patients undergoing transcatheter aortic valve implantation	3
Feasibility and cost of FH cascade screening in Belgium (BEL-CASCADE) including a novel rapid rule-out strategy	3
Platelet distribution widths and white blood cell are associated with cardiovascular diseases: data mining approaches	3
Effects of percutaneous balloon mitral valvuloplasty in patients with mitral stenosis and atrial fibrillation: a systematic review and meta-analysis	3
Special issue on heart failure	3
A systematic review on durability and structural valve deterioration in TAVR and surgical AVR	3
Value of repeated measurements of lipoprotein (a) to assess cardiovascular risk: a retrospective study	3
Efficacy and safety of direct oral anticoagulants for treatment of left ventricular thrombus; a systematic review	3
The relationship between CHA2DS2VASc score and left ventricular apical thrombus formation in patients with acute anterior ST segment elevation myocardial infarction	3
Trends and outcomes in transcatheter aortic valve implantation in Belgium: a 13-year single centre experience	3
Summary of 2020 ESC guidelines on non-STE ACS, adult congenital heart disease, sports cardiology and atrial fibrillation	3
Prognostic value of statin therapy in patients with myocardial infarction with nonobstructive coronary arteries (MINOCA): a meta-analysis	3
Severe coronary artery spasm after administration of a 5-hydroxytryptamine type 1 receptor agonist in a patient with new-onset Graves’ disease and myocarditis after SARS-CoV2 vaccination	3
The mortality rates in registries of patients with STEMI are highly affected by inclusion criteria and population characteristics	3
Three-dimensional virtual and printed models for planning adult cardiovascular surgery	3
Transcatheter aortic valve implantation versus surgical aortic valve replacement in severe aortic stenosis patients at low surgical mortality risk: a cost-effectiveness analysis in Belgium	3
MiR-23b targets GATA6 to down-regulate IGF-1 and promote the development of congenital heart disease	3
The evolution of the CTO-PCI landscape in Belgium and Luxembourg: a four-year appraisal	3
Prevalence and predictors of left atrial thrombosis in atrial fibrillation patients treated with non-vitamin K antagonist oral anticoagulants	3
The association of galectin-3 level with ventricular arrhythmias and left ventricular strain in heart failure patients with implantable cardioverter defibrillator	3
Diagnostic accuracy of global longitudinal strain in prediction of severity and extent of coronary artery stenosis in patients with acute coronary syndrome	3
Implementing standards of care for heart failure patients in general practice – the IMPACT-B study protocol	3
Rapid decline of resting heart rate trajectories from childhood to young adulthood is paradoxically associated with increased cardiac mass	3
Value of systemic inflammation-response index in predicting contrast-induced nephropathy in patients with ST-elevation myocardial infarction	3
The impact of an ultra-trail on the dynamic of cardiac, inflammatory, renal and oxidative stress biological markers correlated with electrocardiogram and echocardiogram	3
Lifestyle behaviours predicting major cardiovascular diseases mortality in a practically extinct cohort of middle-aged men followed-up for 61 years	3
Coronary flow velocity reserve with transthoracic echocardiography: a game changer	3
Optimisation of individual cardiovascular risk assessment in a German coronary artery disease cohort using a commercial test for genetic polymorphisms – a pilot study	3
The effect of nicorandil on cardiac function and clinical outcomes in ST-segment elevation myocardial infarction patients undergoing primary percutaneous coronary intervention: a randomised trial	3
Motivation of overweight patients with atrial fibrillation to lose weight or to follow a weight loss management program: a cross-sectional study	3
Pentraxin 3 concentration is associated with poor outcomes in patients with coronary artery disease: a systematic review and dose–response meta-analysis	3
Bail-out extracorporeal membrane oxygenation for hydroxychloroquine intoxication: a warning for COVID-19 health-care givers	3
Direct oral anticoagulants and therapeutic adherence: do not let your guard down	3
Evaluation the value of H₂FPEF score and HFA-PEFF step E score in the diagnosis of heart failure with preserved ejection fraction	3
The effects of sacubitril/valsartan on heart failure with preserved ejection fraction: a meta-analysis	3
Predictive value of post-procedural hyponatremia on contrast-induced nephropathy in patients who underwent coronary angiography or percutaneous coronary intervention	3
Complete atrioventricular block with diastolic mitral regurgitation due to severe lithium intoxication. A case report	3
The faecal abundance of short chain fatty acids is increased in men with a non-dipping blood pressure profile	3
Durable LVAD in a SLE patient – no anticoagulation for >6 years	2
Impact of subclinical hypothyroidism on in-hospital outcomes and long-term mortality among acute myocardial infarction patients with diabetic mellitus	2
Influence of HIV on in-hospital outcomes in patients with atrial fibrillation	2
Levosimendan: mechanistic insight and its diverse future aspects in cardiac care	2
Heart transplantation in adults with congenital heart disease: a 17-year single center experience	2
Prognostic value of carbohydrate antigen 125 combined with N-terminal pro B-type natriuretic peptide in patients with acute heart failure	2
Weekend atrial fibrillation hospitalizations are associated with higher short-term mortality	2
DR1-CSE/H₂S pathway upregulates autophagy and inhibits H9C2 cells damage induced by high glucose	2
Economical aspects of coronary angiography for diagnostic purposes: a Belgian perspective	2
Advanced cardiac MRI to detect myocarditis after COVID-19 vaccination in a 22-year-old man	2
Diagnosis of coronary artery disease: potential complications of imaging techniques	2
In-hospital statin initiation characteristics and one-year statin adherence rates in patients hospitalised for acute coronary syndrome	2
Constrictive pericarditis following cardiac transplantation: a report of two cases and a literature review	2
Effectiveness of out-patient based acute heart failure care: a pilot randomised controlled trial	2
Case report: aortic bioprosthesis marantic endocarditis	2
Trends and outcomes in transcatheter aortic valve implantation: evolution of a revolution	2
Timing of aortic valve replacement in high-gradient severe aortic stenosis: impact of left ventricular ejection fraction	2
Transcatheter aortic valve implantation versus sutureless aortic valve replacement: a single-centre cost analysis	2
The importance of developing hyperkalaemia in heart failure during long-term follow-up	2
Characterisation of patients with and without cardiac magnetic resonance imaging abnormalities presenting with myocardial infarction with non-obstructive coronary arteries (MINOCA)	2
Myocardial deformation parameters assessed by CMR feature tracking in chronic heart failure: the influence of an optimal medical therapy on myocardial remodelling	2
Myocardial strain: speckle tracking or early disease tracking?	2
Is transcatheter aortic valve implantation for aortic stenosis cost-effective?	2
Highlights of imaging heart structure and function	2
Use of the novel amplatzer steerable sheath for percutaneous closure of a complex chicken-wing left atrial appendage	2
COVID-19 BNT162b2 mRNA vaccine induced myocarditis with left ventricular thrombus in a young male	2
Correlation between obstructive sleep apnea and ventricular function: a cross-sectional hospital-based study	2
The potential role of 2D-speckle tracking echocardiography for detecting left ventricular systolic dysfunction in patients with Parkinson’s disease: a case control study	2

Unmasking of Brugada syndrome in a patient with Coronavirus disease 2019 (COVID-19)	2
The relationship between H2FPEF and SYNTAX scores in patients with non-ST elevation myocardial infarction	2
The association of PRECISE-DAPT score with thrombus burden in patients with ST-segment elevation myocardial infarction	2
Veno-venous extracorporeal membrane oxygenation for the acute respiratory distress syndrome: a bridge too far?	2
Elevated D-dimers in a patient with atrial flutter	2
The nonlinear correlation between lipoprotein (a) and the prevalence of aortic valve calcification in patients with new-onset acute myocardial infarction	2
The role of acute heart failure index (AHFI) combined with emergency heart failure mortality risk grade (EHMRG) in the evaluation of clinical outcomes and prognosis in patients with acute heart failur	2
DAPA-HF applicability: the point of view of a cardiology setting	2
Coronary flow velocity at rest: a speed limit for a safe prognostic journey?	2
Impact of cardiac rehabilitation on left ventricular diastolic function and exercise capacity in patients treated with percutaneous coronary intervention after acute coronary event	2
Bilateral pulmonary vein atresia revealed with CT	2
The non-invasive echocardiographic assessment of right ventricular myocardial work in a healthy population	2
Wellens syndrome as an independent predictor of in-hospital cardiovascular complications	2
Characteristics of patients with atrial fibrillation prescribed edoxaban in Belgium and The Netherlands: insights from the ETNA-AF-Europe study	2
Experience with implantation of Select Secure^® leads in paediatric patients	2
Acute coronary syndrome related to prosthetic valve endocarditis	2
Practice and long-term outcome of unprotected left main PCI: real-world data from a nationwide registry	2
Review and critical appraisal of the indications for cardiac magnetic resonance imaging in the ESC guidelines	2
Remote monitoring of cardiac implantable electronic devices: from data to clinical actions	2
Percutaneous mitral commissurotomy in women with asymptomatic severe mitral stenosis before pregnancy	2
Focus on cardiometabolic risk factors	2
Impact of moderate altitude exposure on cardiovascular risk	2
Association between pre-operative right ventricular impairment on transthoracic echocardiography and outcomes after conventional and minimally invasive mitral valve surgery	2
Effects of berberine hydrochloride on left ventricular structure and function in rats with myocardial hypertrophy	2
Comparison of frequency of silent cerebral infarction as assessed by serum neuron specific enolase in patients with non-valvular atrial fibrillation: Warfarin versus direct oral anticoagulant	2
Impact of shock index before IABP implantation on recent prognosis of patients with cardiogenic shock complicating acute myocardial infarction	2
Meta-analysis of the applied value of the growth differentiation factor 15 detection in HFpEF diagnosis	2
Microcatheter-versus wire-based measurement of the fractional flow reserve	2
Infective endocarditis nightmare: a bold solution for a devastating scenario	2
Factors predicting the occurrence of aortic valve calcification in patients with coronary artery calcification in China	2
Q wave in paediatric myocarditis: an underinvestigated, readily available prognostic factor	2
Prediction of the development of contrast‑induced nephropathy following percutaneous coronary artery intervention by machine learning	2
The association of non-vitamin K antagonist oral anticoagulants vs. warfarin and the risk of fractures for patients with atrial fibrillation: a systematic review and meta-analysis	2
Diurnal variation of pulmonary artery pressure in ambulatory heart failure patients	2
TAVI in the COVID-19 pandemic. How to balance waiting list concerns and straightforward management	2
Percutaneous closure of a left main coronary artery aneurysm	2
Chronological comparison of TAVI and SAVR stratified to surgical risk: a systematic review, meta-analysis, and meta-regression	2
A telehealth program benefits discharged patients with heart failure	2
Association between low-density lipoprotein cholesterol level and all-cause mortality in idiopathic dilated cardiomyopathy patients: a single-institutional study	2
Typical dynamic electrocardiographic changes in Takotsubo syndrome	2
Post transcatheter aortic valve replacement ejection fraction response is predictor of survival among patients with whole range of systolic dysfunction	2
Focus issue on cardiomyopathies	2
Takotsubo cardiomyopathy triggered by a single dose of flecainide in patient with focal atrial tachycardia	2
Sarcoidosis presenting as acute pericarditis. A case report and review of pericardial sarcoidosis	2
The relationship between dual antiplatelet treatment (DAPT) score and saphenous venous grafts patency after coronary artery bypass grafting surgery	2
Is it feasible to outsource the remote monitoring of implantable cardiac defibrillators in a large tertiary hospital?	2
Cerebral embolic protection devices during transcatheter aortic valve implantation, the current state of the art	2
Streptococcal pharyngitis associated myocarditis (SPAM): the perfect ST-segment elevation myocardial infarction (STEMI) mimic in young individuals. A case series.	2
Performance of ChatGPT as an AI-assisted decision support tool in medicine: a proof-of-concept study for interpreting symptoms and management of common cardiac conditions (AMSTELHEART-2)	2
Vascular manifestations and kyphoscoliosis due to a novel mutation of PLOD1 gene	2
The use of glucagon-like-peptide-1 receptor agonist in the cardiology practice	2
Relationship between lifestyle factors and hypertension: a cross-sectional analysis from the Gubbio study	2
Transcatheter edge-to-edge repair of a torrential tricuspid regurgitation with a single 4th generation TriClip^TM system	2
The role of smart devices and mobile application on the change in peak VO ₂ in patients with high cardiovascular risk: a sub-study of the LIGHT randomised clinical t	2
The prognostic value of stroke work/end-diastolic volume ratio during stress echocardiography	2
Diagnosis and treatment of cardiovascular manifestations of COVID-19: a narrative review	2
The non-HDL-C/HDL-C ratio is a strong and independent predictor of the no-reflow phenomenon in patients with ST-elevation myocardial infarction	2
Clinical characteristics of heart failure patients with mid-range ejection fraction	2
State of the art review: coronary artery disease in patients with inflammatory bowel disease: mechanisms, prevalence, and outcomes	2
For the love of muscles: a bodybuilder with complicated left ventricular heart failure	2
Sudden cardiac death in sports: could we save Pheidippides?	2
The effect of nicorandil on cardiac function and clinical outcomes in ST-segment elevation myocardial infarction patients undergoing primary percutaneous coronary intervention: a randomised trial	2
The role of invasive cardiopulmonary exercise testing in patients with unexplained dyspnea: a systemic review	2
Real-time echocardiography-fluoroscopy fusion imaging for left atrial appendage closure: prime time for fusion imaging?	2
High-risk phenotypes of arrhythmic mitral valve prolapse: a systematic review and meta-analysis	2