OOIR: Observatory of International Research

Papers

(The TQCC of Cardiovascular Ultrasound 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 2021-10-01 to 2025-10-01.)

Article	Citations
Reduced left atrial contractile strain with speckle tracking analysis predicts abnormal plasma NTproBNP in an asymptomatic community population	18
Global longitudinal strain for detection of cardiac iron overload in patients with thalassemia: a meta-analysis of observational studies with individual-level participant data	13
In-hospital COVID-19 infection echocardiographic analysis: a Brazilian, tertiary single-centre experience	12
Multimodal imaging in young male with bicuspid aortic valve, right-sided aorto-atrial fistula and single coronary artery	12
Deep learning for automated left ventricular outflow tract diameter measurements in 2D echocardiography	12
Validation of noninvasive indices of right ventricular diastolic function. Simultaneous echocardiography and pressure-volume catheterization studies	11
Tissue Doppler derived biphasic velocities during the pre and post-ejection phases: patterns, concordance and hemodynamic significance in health and disease	10
Cardiac dimensions and hemodynamics in healthy juvenile Landrace swine	10
Ultrasound parameters of arteries and heart in normal fetuses	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
Left ventricular high frame rate echo-particle image velocimetry: clinical application and comparison with conventional imaging	9
Life-threatening paradoxical thromboembolism in a patient with patent foramen ovale	8
Biochemical but not imaging parameters are predictive of outcome in septic shock: a pilot study	7
Segmental and global myocardial work in hypertensive patients with different left ventricular geometry	7
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	6
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
Peak left atrial longitudinal strain is associated with all-cause mortality in patients with ventricular functional mitral regurgitation	5
Correction: Longitudinal strain correlates with 6-minute walk distance whereas ejection fraction and diastolic parameters do not	5
Echocardiographic characteristics of PRKAG2 syndrome: a research using three-dimensional speckle tracking echocardiography compared with sarcomeric hypertrophic cardiomyopathy	5
Prenatal diagnosis of anomalous left brachiocephalic vein courses using high-definition flow render mode and spatiotemporal image correlation	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

Global longitudinal strain assessment in contrast-enhanced echocardiography in breast cancer patients: a feasibility study