OOIR: Observatory of International Research

Papers

(The median citation count of Cardiovascular Ultrasound is 1. 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 2021-07-01 to 2025-07-01.)

Article	Citations
Reduced left atrial contractile strain with speckle tracking analysis predicts abnormal plasma NTproBNP in an asymptomatic community population	98
Global longitudinal strain for detection of cardiac iron overload in patients with thalassemia: a meta-analysis of observational studies with individual-level participant data	15
In-hospital COVID-19 infection echocardiographic analysis: a Brazilian, tertiary single-centre experience	13
Cardiac dimensions and hemodynamics in healthy juvenile Landrace swine	12
Deep learning for automated left ventricular outflow tract diameter measurements in 2D echocardiography	12
Ultrasound parameters of arteries and heart in normal fetuses	11
Global and regional right ventricular mechanics in repaired tetralogy of Fallot with chronic severe pulmonary regurgitation: a three-dimensional echocardiography study	11
Left ventricular high frame rate echo-particle image velocimetry: clinical application and comparison with conventional imaging	10
Tissue Doppler derived biphasic velocities during the pre and post-ejection phases: patterns, concordance and hemodynamic significance in health and disease	10
Fetal cardiac parameters for predicting postnatal operation type of fetuses with tetralogy of Fallot	9
Myocardial contrast echocardiography assessment of perfusion abnormalities in hypertrophic cardiomyopathy	9
Biochemical but not imaging parameters are predictive of outcome in septic shock: a pilot study	8
Transthoracic echocardiographic assessment of ventricular function in functional single ventricle: a comprehensive review	7
Effects of smoking cessation on endothelial function as assessed by flow-mediated total dilation	7
Life-threatening paradoxical thromboembolism in a patient with patent foramen ovale	7
Segmental and global myocardial work in hypertensive patients with different left ventricular geometry	7
Three-dimensional transesophageal echocardiographic evaluation of pulmonary vein anatomy prior to cryoablation: validation with cardiac CT scan	6
Prenatal diagnosis of anomalous left brachiocephalic vein courses using high-definition flow render mode and spatiotemporal image correlation	6
Left atrial morpho-functional remodeling in atrial fibrillation assessed by three dimensional speckle tracking echocardiography and its value in atrial fibrillation screening	6
Echocardiographic characteristics of PRKAG2 syndrome: a research using three-dimensional speckle tracking echocardiography compared with sarcomeric hypertrophic cardiomyopathy	5
Predictors of functional and morphological arterial wall properties in coronary artery disease patients with increased lipoprotein (a) levels before and after treatment with proprotein convertase subt	5
Peak left atrial longitudinal strain is associated with all-cause mortality in patients with ventricular functional mitral regurgitation	5
Can transthoracic echocardiography be used to a greater extent in the diagnostics of infective endocarditis to avoid unnecessary transoesophageal examinations without jeopardising accuracy?	5
Diagnostic characteristics of multimodality imaging for left ventricular lipoma: new insights on surgical intervention	5
Global longitudinal strain assessment in contrast-enhanced echocardiography in breast cancer patients: a feasibility study	5

Correction: Longitudinal strain correlates with 6-minute walk distance whereas ejection fraction and diastolic parameters do not	5
The effectiveness of a blended POCUS curriculum on achieving basic focused bedside transthoracic echocardiography (TTE) proficiency. A formalized pilot study	4
The role of left atrio-ventricular coupling index and left atrial ejection fraction in predicting onset of atrial fibrillation and adverse cardiac events in hypertrophic cardiomyopathy	4
Myocardial strain measured via two-dimensional speckle-tracking echocardiography in a family diagnosed with arrhythmogenic left ventricular cardiomyopathy	4
Performance of a point-of-care ultrasound platform for artificial intelligence-enabled assessment of pulmonary B-lines	4
Cardiac amyloidosis screening using a relative apical sparing pattern in patients with left ventricular hypertrophy	4
Prevalence, one-year-incidence and predictors of carcinoid heart disease	4
Longitudinal strain correlates with 6-minute walk distance whereas ejection fraction and diastolic parameters do not	4
Left atrial dysfunction relates to symptom onset in patients affected by severe degenerative mitral regurgitation	4
Feasibility and reproducibility of semi-automated longitudinal strain analysis: a comparative study with conventional manual strain analysis	4
Cardiac microstructural alterations in immune-inflammatory myocardial disease: a retrospective case-control study	4
Echocardiogram by apical-subcostal protocol in prone position during invasive mechanical ventilation in cardiovascular intensive care unit	3
Predictors of worsening TR severity after right ventricular lead placement: any added value by post-procedural fluoroscopy versus three –dimensional echocardiography?	3
Catheter navigation by intracardiac echocardiography enables zero-fluoroscopy linear lesion formation and bidirectional cavotricuspid isthmus block in patients with typical atrial flutter	3
Evaluation of intraventricular flow by multimodality imaging: a review and meta-analysis	3
Comprehensive evaluation of left ventricular deformation using speckle tracking echocardiography in normal children: comparison of three-dimensional and two-dimensional approaches	2
Galectin-3 and sST2: associations to the echocardiographic markers of the myocardial mechanics in systemic sclerosis – a pilot study	2
A novel echocardiographic right ventricular dysfunction score can identify hemodynamic severity profiles in left ventricular dysfunction	2
MAD or MADness?	2
Echocardiographic imaging in patients with conduction system pacing	2
Left ventricular and atrial myocardial strain in heart failure with preserved ejection fraction: the evidence so far and prospects for phenotyping strategy	2
The feasibility, reliability, and incremental value of two-dimensional speckle-tracking for the detection of significant coronary stenosis after treadmill stress echocardiography	2
Variable exposure to echocardiography core competencies when applying minimum recommended procedural numbers for cardiology fellows in training	1
Is myocardial fibrosis appropriately assessed by calibrated and 2D strain derived integrated backscatter?	1
Diagnostic value of lung ultrasound B-lines for evaluating left ventricular filling pressure	1
Left atrial contraction strain and controlled preload alterations, a study in healthy individuals	1
Comparison of left atrial deformation parameters between renal transplant and hemodialysis patients	1
Difference in cardiac remodeling between female athletes and pregnant women: a case control study	1
Can prenatal diagnosis of parachute mitral valve be achieved? A case report of fetal parachute mitral valve	1
Left ventricular flow dynamics by cardiac imaging techniques in heart failure patients: state of the art	1
Cardiac imaging in athlete’s heart: current status and future prospects	1
Evaluation of atherosclerosis as a risk factor in COPD patients by measuring the carotid intima-media thickness	1