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 2021-02-01 to 2025-02-01.)

Article	Citations
Global longitudinal strain assessment in contrast-enhanced echocardiography in breast cancer patients: a feasibility study	68
The role of left atrial strain in patients with functional tricuspid regurgitation before and after annuloplasty: a long-term follow-up study	19
Segmental and global myocardial work in hypertensive patients with different left ventricular geometry	11
Life-threatening paradoxical thromboembolism in a patient with patent foramen ovale	10
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	9
Can transthoracic echocardiography be used to a greater extent in the diagnostics of infective endocarditis to avoid unnecessary transoesophageal examinations without jeopardising accuracy?	9
Comparison of left atrial deformation parameters between renal transplant and hemodialysis patients	8
Artificial intelligence in echocardiography: detection, functional evaluation, and disease diagnosis	8
Is myocardial fibrosis appropriately assessed by calibrated and 2D strain derived integrated backscatter?	8
Biochemical but not imaging parameters are predictive of outcome in septic shock: a pilot study	8
Three-dimensional analysis of the tricuspid annular geometry in healthy subjects and in patients with different grades of functional tricuspid regurgitation	8
The effectiveness of a blended POCUS curriculum on achieving basic focused bedside transthoracic echocardiography (TTE) proficiency. A formalized pilot study	7
Prevalence, one-year-incidence and predictors of carcinoid heart disease	7
Left atrial contraction strain and controlled preload alterations, a study in healthy individuals	7
Medical student medium-term skill retention following cardiac point-of-care ultrasound training based on the American Society of Echocardiography curriculum framework	7
Reduced left atrial contractile strain with speckle tracking analysis predicts abnormal plasma NTproBNP in an asymptomatic community population	7
Cardiac microstructural alterations in immune-inflammatory myocardial disease: a retrospective case-control study	7
In-hospital COVID-19 infection echocardiographic analysis: a Brazilian, tertiary single-centre experience	6
Extensive fibrotic wrapping of the heart: a rare echocardiographic diagnosis	6
Feasibility and reproducibility of semi-automated longitudinal strain analysis: a comparative study with conventional manual strain analysis	6
Right ventricular myocardial work: proof-of-concept for the assessment of pressure-strain loops of patients with pre-capillary pulmonary hypertension	6
Evaluation of fetal foramen ovale blood flow by pulsed Doppler ultrasonography combined with spatiotemporal image correlation	5
Mitral early-diastolic inflow peak velocity (E)-to-left atrial strain ratio as a novel index for predicting elevated left ventricular filling pressures in patients with preserved left ventricular ejec	5
Variable exposure to echocardiography core competencies when applying minimum recommended procedural numbers for cardiology fellows in training	5
Cardiac amyloidosis screening using a relative apical sparing pattern in patients with left ventricular hypertrophy	5

Myocardial strain measured via two-dimensional speckle-tracking echocardiography in a family diagnosed with arrhythmogenic left ventricular cardiomyopathy	5
Feasibility of focused cardiac ultrasound during cardiac arrest in the emergency department	5
Global longitudinal strain for detection of cardiac iron overload in patients with thalassemia: a meta-analysis of observational studies with individual-level participant data	5
Cardiac imaging in athlete’s heart: current status and future prospects	5