OOIR: Observatory of International Research

Papers

(The median citation count of Cardiovascular Ultrasound 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 2021-05-01 to 2025-05-01.)

Article	Citations
Reduced left atrial contractile strain with speckle tracking analysis predicts abnormal plasma NTproBNP in an asymptomatic community population	94
Global longitudinal strain for detection of cardiac iron overload in patients with thalassemia: a meta-analysis of observational studies with individual-level participant data	25
In-hospital COVID-19 infection echocardiographic analysis: a Brazilian, tertiary single-centre experience	13
Deep learning for automated left ventricular outflow tract diameter measurements in 2D echocardiography	13
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
Cardiac dimensions and hemodynamics in healthy juvenile Landrace swine	10
Fetal cardiac parameters for predicting postnatal operation type of fetuses with tetralogy of Fallot	9
Segmental and global myocardial work in hypertensive patients with different left ventricular geometry	9
Myocardial contrast echocardiography assessment of perfusion abnormalities in hypertrophic cardiomyopathy	9
Tissue Doppler derived biphasic velocities during the pre and post-ejection phases: patterns, concordance and hemodynamic significance in health and disease	9
Biochemical but not imaging parameters are predictive of outcome in septic shock: a pilot study	9
Life-threatening paradoxical thromboembolism in a patient with patent foramen ovale	8
Transthoracic echocardiographic assessment of ventricular function in functional single ventricle: a comprehensive review	7
Feasibility of focused cardiac ultrasound during cardiac arrest in the emergency department	7
Left ventricular global longitudinal strain predicts elevated cardiac pressures and poor clinical outcomes in patients with non-ischemic dilated cardiomyopathy	7
Effects of smoking cessation on endothelial function as assessed by flow-mediated total dilation	7
Left atrial morpho-functional remodeling in atrial fibrillation assessed by three dimensional speckle tracking echocardiography and its value in atrial fibrillation screening	6
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
Correction: Longitudinal strain correlates with 6-minute walk distance whereas ejection fraction and diastolic parameters do not	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
Diagnostic characteristics of multimodality imaging for left ventricular lipoma: new insights on surgical intervention	5
Echocardiographic characteristics of PRKAG2 syndrome: a research using three-dimensional speckle tracking echocardiography compared with sarcomeric hypertrophic cardiomyopathy	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
Peak left atrial longitudinal strain is associated with all-cause mortality in patients with ventricular functional mitral regurgitation	5
Evaluation of prenatal changes in fetal cardiac morphology and function in maternal diabetes mellitus using a novel fetal speckle-tracking analysis: a prospective cohort study	5
Longitudinal strain correlates with 6-minute walk distance whereas ejection fraction and diastolic parameters do not	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
Cardiac microstructural alterations in immune-inflammatory myocardial disease: a retrospective case-control study	4
Global longitudinal strain assessment in contrast-enhanced echocardiography in breast cancer patients: a feasibility study	4
Evaluation of fetal foramen ovale blood flow by pulsed Doppler ultrasonography combined with spatiotemporal image correlation	4
Feasibility and reproducibility of semi-automated longitudinal strain analysis: a comparative study with conventional manual strain analysis	4
The effectiveness of a blended POCUS curriculum on achieving basic focused bedside transthoracic echocardiography (TTE) proficiency. A formalized pilot study	4
Myocardial strain measured via two-dimensional speckle-tracking echocardiography in a family diagnosed with arrhythmogenic left ventricular cardiomyopathy	4
Prevalence, one-year-incidence and predictors of carcinoid heart disease	4
Catheter navigation by intracardiac echocardiography enables zero-fluoroscopy linear lesion formation and bidirectional cavotricuspid isthmus block in patients with typical atrial flutter	3
Post Procedural Peak Left Atrial Contraction Strain Predicts Recurrence of Arrhythmia after Catheter Ablation of Atrial Fibrillation	3
Cardiac amyloidosis screening using a relative apical sparing pattern in patients with left ventricular hypertrophy	3
Echocardiogram by apical-subcostal protocol in prone position during invasive mechanical ventilation in cardiovascular intensive care unit	3
Performance of a point-of-care ultrasound platform for artificial intelligence-enabled assessment of pulmonary B-lines	3
Predictors of worsening TR severity after right ventricular lead placement: any added value by post-procedural fluoroscopy versus three –dimensional echocardiography?	3
Evaluation of intraventricular flow by multimodality imaging: a review and meta-analysis	3
Left atrial dysfunction relates to symptom onset in patients affected by severe degenerative mitral regurgitation	3
Is myocardial fibrosis appropriately assessed by calibrated and 2D strain derived integrated backscatter?	2
The feasibility, reliability, and incremental value of two-dimensional speckle-tracking for the detection of significant coronary stenosis after treadmill stress echocardiography	2
Comprehensive evaluation of left ventricular deformation using speckle tracking echocardiography in normal children: comparison of three-dimensional and two-dimensional approaches	2
Comparison of left atrial deformation parameters between renal transplant and hemodialysis patients	2
Left ventricular and atrial myocardial strain in heart failure with preserved ejection fraction: the evidence so far and prospects for phenotyping strategy	2
A novel echocardiographic right ventricular dysfunction score can identify hemodynamic severity profiles in left ventricular dysfunction	2
MAD or MADness?	2
Galectin-3 and sST2: associations to the echocardiographic markers of the myocardial mechanics in systemic sclerosis – a pilot study	2