Articles tagged with Echocardiography
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A new report from Northwestern University offers six practical strategies to improve the doctor-patient bedside encounter in an era dominated by AI. By employing these strategies, clinicians can strengthen patient-physician relationships, combat inequities, and reduce burnout, ultimately leading to better patient outcomes.
A novel screening approach called VEST uses virtual echocardiography to identify patients at high risk of pulmonary arterial hypertension, a life-threatening form of heart failure. The tool has been shown to generate accurate PAH risk scores without manual calculations and can guide timely referrals for expert care.
Researchers at Mayo Clinic developed AI-ECG tools that can detect heart muscle weakness in women of childbearing age, allowing for earlier identification and management. The tools demonstrated high diagnostic performance, with an area under the curve of .94 for AI-ECG and .98 for AI digital stethoscope.
A recent study published in Diabetes Care found that persistently high blood sugar and insulin resistance significantly increased the risk of worsening functional and structural heart damage during adolescence to young adulthood. The study showed a five-fold increase in prediabetes prevalence among adolescents, with females being dispr...
A new study published in Journal of the American College of Cardiology found that persistent childhood tobacco smoking significantly increased the risk of premature heart damage by age 24. The study followed 1,931 children from age 10 to 24 and found that active smoking was associated with a 52% increased risk of heart damage.
A new AI program, PanEcho, has been developed to interpret echocardiography videos independently, reducing wait times and improving timely medical care. The program demonstrated accuracy in estimating continuous echocardiographic parameters and quantifying left ventricle dimensions and function.
A University of Dundee study has used machine learning to analyze health records of heart failure patients and identify alternative treatment plans that could improve their welfare. The pilot project aims to tailor treatment for each patient, ensuring they receive optimized care with the potential to improve quality of life.
Researchers developed an AI-powered method to automatically diagnose ASDs in children using color Doppler images from echocardiograms, addressing the limitations of manual diagnosis and image segmentation. The deep learning model accurately identified ASDs with high accuracy, potentially improving treatment outcomes for affected children.
A study of over 4,500 healthy adults aged 60 and older found that nearly 28% had some form of heart valve disease, with age being the main risk factor. The majority of cases were mild, but the study highlights the need for more research into screening methods to identify and manage the disease in the elderly population.
Researchers compared human hearts with those of great apes, discovering a more compact muscle structure in humans, related to greater cardiac function. This finding supports the hypothesis that human heart evolved to meet higher demands of human physiology, such as larger brain size and physical activity.
The study found normal values of 3D-RV volume and function in a large Chinese population, with significant sex differences and variations between vendors. Men had larger RV volumes than women, and the elderly had smaller RV volumes.
A new AI-based video biomarker is associated with aortic stenosis development and progression, allowing for opportunistic risk stratification across various imaging modalities. The study's findings suggest potential applications on handheld devices for early detection and intervention.
Researchers developed a calculation to identify moderate aortic stenosis patients at higher risk of mortality. The study found that low mean arterial pressure is associated with higher mortality in all patient subgroups.
A large Kaiser Permanente study found that moderate aortic stenosis patients have similar outcomes to those with mild stenosis. Fine-tuning physician assessment could help identify patients who may benefit from surgery, improving treatment strategies.
Using MRI instead of CT with CTA alone in patients presenting to the ED with dizziness was associated with greater critical neuroimaging results and more frequent echocardiography. Patients with dizziness undergoing MRI showed a lower frequency of 90-day ED readmissions compared to those discharged after CT with CTA alone.
A groundbreaking study has shown that a devastating heart condition can spontaneously reverse in three men, who are now free of symptoms. The condition, transthyretin cardiac amyloidosis, is progressive and previously considered irreversible.
TVT 2023 will feature 15 Late-Breaking Clinical Science studies highlighting advances in transcatheter aortic valve replacement and mitral, tricuspid, and left atrial appendage occlusion therapies. The meeting aims to guide the selection of patients who will benefit from these procedures and define optimal treatment strategies.
Researchers successfully performed the first in-utero surgery to repair a potentially deadly developmental condition called vein of Galen malformation. The procedure involved treating an aggressive vascular malformation before birth, resulting in improved cardiac output and no signs of negative effects on the brain after birth.
A study analyzing over 12,000 patients found that transesophageal echocardiography-guided transcatheter structural cardiac interventions were associated with a major complication rate of 3.6%. The most frequently reported complication was gastrointestinal bleeding.
New technology measures peak velocity of blood flow in the heart accurately, helping doctors diagnose and monitor patients with heart failure. The 4D heart MRI scan provides precise imaging of the heart valves and flow inside the heart, enabling better treatment planning.
A new ECG-based AI model developed by Tempus and Geisinger can predict patients at increased risk of undiagnosed structural heart disease. The rECHOmmend study found that the model achieved excellent performance, exceeding previous models in predicting any single disease.
A new study published in the European Heart Journal shows that MRI is superior to echocardiography for diagnosing heart failure and predicting patient outcomes. The research found that MRI can accurately measure left ventricular filling pressure, leading to improved diagnosis and reduced need for invasive assessments.
Researchers found no evidence that early selective treatment with ibuprofen reduces death or moderate to severe bronchopulmonary dysplasia in extreme preterm infants. However, treatment reduced the risk of an open patent ductus arteriosus and surgical treatment for a symptomatic PDA.
Left atrium emptying fraction derived from cardiac CTA improves predictive performance of established clinical risk scores. A reduced LAEF independently predicts all-cause mortality within 24 months post-procedure.
A new study published in Hypertension journal found that hospitalized COVID-19 patients with impaired first-phase ejection fraction are nearly five times more likely to die than those with healthier measures. The research suggests that early detection and prevention of chronic heart damage may be key to improving patient outcomes.
A rare case of mediastinal tuberculoma mimicking a malignant cardiac tumor was diagnosed after postoperative pathological examination. Multimodality imaging, including echocardiography and contrast-enhanced ultrasonography, played a crucial role in distinguishing the benign condition from a malignant tumor.
The special journal issue features Nemours pediatric cardiologists' expertise on echocardiography and other imaging techniques used in children with cardiovascular disease. The articles highlight best practices for screening, diagnosing, and managing congenital heart disease to improve patient outcomes.
The Harmony TPV Pivotal Trial demonstrated favorable outcomes for the use of TPV device in patients with severe pulmonary regurgitation. The trial showed high procedural success, safety, and favorable device performance, with 100% freedom from procedure-related mortality at 30 days.
Researchers propose a novel framework to analyze thousands of complete data sequences from stress echocardiography, revealing early signs of cardiovascular disease. The method uses Multiple Kernel Learning (MKL) to project heterogeneous data into a low-dimensional space, distinguishing between healthy and pathological responses.
Researchers found that echocardiography is valuable for assessing patients with secondary mitral regurgitation and determining their eligibility for TMVR. The study also identified characteristics of the heart that predict response to TMVR, concluding all patients with similar characteristics should be considered for this intervention.
The new document defines the training requirements for performing advanced echocardiographic procedures, outlining knowledge, experience, and skill requirements for Level III competency. It emphasizes the importance of proper training to ensure positive clinical outcomes and patient safety.
A study of 12,615 participants found that good exercise performance was associated with lower risks of cardiovascular death, cancer death, and other causes of death. The findings suggest the importance of fitness for longevity.
Fetal single ventricle defects can be identified with echocardiograms, but irregular filling mechanics may contribute to defects in developing fetal hearts. Researchers are exploring how flow patterns affect outcome and could use fluid dynamics to advance the mechanistic understanding of heart failure in children.
A wireless device called Vivio accurately detected heart dysfunction in childhood cancer survivors treated with anthracycline chemotherapy. The device displayed high sensitivity and a low false-negative rate compared to cardiac magnetic resonance (CMR) imaging.
Researchers found that in fit, young people, increased right ventricular outflow tract pressure during exercise may be a normal physiological response. This finding challenges the assumption of equal systolic pressures in the lung arteries and heart pumping to them.
A study presented at ESC Congress 2016 found that nebivolol treatment prevented anthracycline-induced cardiotoxicity in breast cancer patients. New echocardiographic techniques revealed significant alterations in heart function after chemotherapy, but no changes were noted in the nebivolol-treated group.
KAMC's Hajj Committee plans year-round to ensure preparedness for the massive patient influx during the Hajj. The hospital treats 700-1000 cardiac patients, with most being Hajj visitors, and has increased echocardiography staff from 7 to 13 during peak seasons.
Current practice of testing athletes at rest may miss signs of right ventricular dysfunction that can lead to sudden death. A new study shows that exercise echocardiography can detect changes in the right ventricle's functioning during physical activity, providing a potential diagnostic tool for cardiologists managing athletes.
A study published in Global Heart finds that echocardiography is increasing detection rates of definite and borderline rheumatic heart disease globally. Using echocardiography increases detection rates by many-fold, revealing a higher true global prevalence than current estimates.
A study of 535 patients undergoing transthoracic echocardiography found that only 31.8% resulted in an active change in care, with most TTEs classified as appropriate yet failing to improve outcomes. The low rate highlights the need for efficient use of healthcare resources while maintaining high-quality care.
A study found that echocardiographic screening in the general public for structural and valvular heart disease was not associated with a reduction in risk of death, myocardial infarction (heart attack) or stroke. Despite low prevalence of structural heart disease, screening led to unnecessary tests and potential harm.
Dr. Partho Sengupta presented the first-ever hologram presentation at the ASE's 2013 24th Annual Scientific Sessions, utilizing 3D digital images and expert interview recordings to analyze cardiovascular system structure, function, and flow patterns. This innovative presentation format was made possible through collaborative efforts of...
A new study suggests MDCT is more accurate than echocardiography for measuring annular size in TAVI candidates. This improvement can lead to better procedure success and valve selection, potentially changing the decision for 55% of patients.
Researchers used 99mTc-HMPAO-WBC SPECT/CT to diagnose infectious endocarditis in hard-to-diagnose cases, achieving high sensitivity and specificity. The test detected septic embolism in 41% of patients, aiding physicians in diagnosis and treatment.
A new study suggests adding a modified echo to current screenings to identify student athletes with heart problems that could lead to sudden death. The study found that an abbreviated echo can increase the sensitivity of finding heart defects in competitive athletes.
A study examined the effectiveness of exercise testing in asymptomatic patients after coronary revascularization. Ischemia was detected in 262 patients and death was associated with ischemia, suggesting that risk evaluation could be obtained from a standard exercise test rather than exercise echocardiography.
Speckle tracking echocardiography (STE) enables accurate infarct size estimation in STEMI patients. A new study demonstrates the use of 3D speckle-tracking to estimate infarct size and necrosis transmurality, providing a more comprehensive assessment of cardiac damage.
Studies using echocardiography revealed early signs of myocardial damage and impaired ventricular relaxation in cancer patients treated with trastuzumab. ACE inhibitors and statins were found to deliver cardio protective effects, reducing oxidative stress and inflammation.
Patients treated by physicians who billed for both technical and professional fees were more likely to undergo cardiac stress imaging after coronary revascularization. The incidence of nuclear stress testing was higher among these physicians compared to those who did not bill for the service, with 12.6% vs 5.0%.
Pulse oximetry is a viable screening tool for detecting congenital heart disease in infants, with over 26% of births occurring in facilities without same-day echocardiography. The implementation of pulse oximetry is expanding rapidly, particularly after the US Department of Health and Human Services added it to core screening standards.
A new study published in BMJ Open found no evidence that patients who underwent a heart ultrasound before major surgery had improved survival rates one month or one year after their operation. In fact, some groups of patients may have worse survival rates if they had undergone an echocardiogram.
A new study published in Annals of Internal Medicine finds that massage therapy is more effective than usual medical interventions for improving pain and function in patients with chronic low back pain. The researchers also suggest that relaxation massage may have a slight advantage over structural massage due to its wider availability.
A large European study found that better-educated men and women had nearly half the risk of hospital admission for heart failure than the least well educated. The study, led by Dr. Eva Prescott, also found a socioeconomic gradient in echocardiographic indicators of both systolic and diastolic dysfunction.
A study using advanced imaging technologies has shed new light on left ventricular non-compaction (LVNC), a cardiomyopathy associated with heart failure, stroke, and arrhythmias. The research reveals that developing cardiac risks appear to progress over time in patients with LVNC.
The European Society of Cardiology recommends echocardiography as the first-line test for patients suspected of cardiovascular disease. Echocardiography provides accurate images of the heart's chambers, valves, and coronary arteries, allowing for diagnosis and prognosis without invasive procedures.
The introduction of handheld echocardiography machines promises to revolutionize cardiac diagnosis and treatment. These portable devices will enable doctors to quickly assess heart valves and pumping power, potentially saving lives in emergency situations.
The field of non-invasive cardiac imaging has evolved significantly, with various techniques such as echocardiography, cardiovascular magnetic resonance, and computed tomography available. However, clinicians face challenges in choosing the most suitable modality due to a plethora of options.
A population of 4,450 athletes showed no evidence of HCM, with only 12 cardiac abnormalities detected. Routine echocardiography is not necessary in large population screening programs for young athletes with HCM.
Mayo Clinic researchers found that difficulties in the heart's ability to fill with blood are a frequent cause of heart failure, and can be just as deadly as deficiencies in pumping. The study suggests that filling problems are often undiagnosed and highlights the importance of testing for abnormalities in the heart's filling phase.
Researchers found that early myocardial enhancement defects on cardiac multidetector CT scans can predict future heart muscle viability in heart attack patients. The study's main conclusion is that these defects are valuable predictors of future myocardial viability.