Articles tagged with Ultrasound
Researchers at Yale University found that prolonged and frequent ultrasound exposure on pregnant mice causes brain abnormalities, including scattered neurons in inappropriate cortical layers. The study suggests caution against non-medical ultrasound use on human fetuses, but supports its medical applications.
Scientists at the University of Illinois have developed a device that generates coherent ultrasonic waves, allowing them to study laser dynamics and measure material properties. The 'uaser' has potential applications in modeling and studying laser behavior, as well as sensing changes in materials.
Researchers explore new GI technologies, including endoscopic ultrasound and fine needle intervention, to visualize the heart and coronary arteries with improved accuracy. The studies show promising results, suggesting that these techniques may be safe alternatives to traditional methods.
A study of 157 women with acute pelvic pain found that both CT scans and ultrasounds were highly sensitive and accurate in diagnosing the condition. The researchers concluded that patients are unlikely being over-imaged, and that both imaging techniques can be used effectively in emergency settings.
Researchers found CT angiography to be highly accurate in detecting high-grade artery stenosis, with excellent visualization of vessels and accurate identification of stenoses. The study emphasizes the importance of combining MD-CTA and vascular ultrasound for surgical planning and therapy.
Researchers used nano-sized particles injected into mice to improve ultrasound image quality, detecting nanoparticles in the liver. This technology aims to identify early-stage diseases like cancers at a cellular level.
The American Institute of Ultrasound in Medicine (AIUM) has awarded several ultrasound research grants to its members through the Educational Enhancement Research (EER) program. The recipients include T. Douglas Mast, PhD for quantitative real-time monitoring of thermal ablation using pulse-echo ultrasound imaging and Roxana Vlad, MSc ...
The American Institute of Ultrasound in Medicine presented notable awards to Lawrence Platt, David Sahn, Marie De Lange, Genevieve Berger, and Kurt Jaeger for their groundbreaking contributions to diagnostic ultrasound. The honors recognize individuals who have significantly advanced the field through research, education, and innovation.
Dr. Lawrence Platt is a renowned expert in ultrasound technology, particularly in prenatal diagnosis and 2D/3D/4D imaging. He has authored numerous publications and holds leadership roles in prominent professional organizations.
The American Institute of Ultrasound in Medicine has awarded a New Investigator Award to Dr. Elisa Konofagou for her groundbreaking work on treating neurodegenerative diseases using ultrasound-induced blood-brain barrier opening. Seven nominees presented their research, showcasing the diverse applications of ultrasound technology.
J. Brian Fowlkes and Harvey L. Nisenbaum were selected for the award due to their dedication to the AIUM and commitment to the ultrasound community. The American Institute of Ultrasound in Medicine presented the prestigious awards to recognize their outstanding contributions.
A new 3D ultrasound scanner is being developed to improve minimally invasive surgeries, offering a more precise view of the target area in real-time. The technology has shown promise in animal testing, particularly for monitoring heart function during cardiac surgery without general anesthesia.
A study found that ultrasound identified all cancers, while mammography detected 90% of tumors in pregnant women. Imaging helped diagnose and treat cancer in pregnancy without harm to the fetus.
A new method using ultrasound and genetically modified algae can remove up to 60% of mercury from contaminated water, according to Ohio State University researchers. The technique uses ultrasonic waves to release mercury from sediments, which is then absorbed by the algae, leaving the sediment clean.
Scientists discovered that rare Chinese frogs can communicate using high-pitch ultrasonic sounds, a trait previously thought to be exclusive to mammals. The frogs' ability to hear and respond to these sounds allows them to facilitate communication in noisy environments.
Researchers find that a unique ear canal in the concave-eared torrent frog allows it to detect and produce ultrasounds, a skill also seen in dolphins and bats. This discovery may lead to new strategies for humans to hear in noisy environments.
Researchers have developed a portable device that uses Doppler ultrasound to find veins quickly and accurately. The device is composed of two parts: a reusable unit with signal processing components and a disposable coupler box with a reflector and needle guide.
Researchers developed a noninvasive ultrasound treatment that immediately stops blood flow in fibroid tissue, leading to significant symptom relief for up to 12 months. The optimized protocol allows for treatment of larger fibroid volumes, resulting in greater symptomatic relief and quality of life improvement.
A study of premature babies born at 26 weeks gestation found that certain aspects of brain development were compromised compared to full-term infants. The brains of premature babies showed delayed growth and changes after birth, indicating that early stimulation may hinder normal brain maturation.
A prestigious team of international editors led by Professor Donnan is launching the International Journal of Stroke, focusing on clinical aspects of stroke and providing regional news, world press reports, and topical reviews. The journal aims to reduce the burden of stroke worldwide through research and debate.
A study of over 300,000 medical procedures in Winnipeg found that high-income individuals were significantly more likely to receive diagnostic imaging services. The differences in access varied by procedure and patient illness level, highlighting the need for social policy interventions to address healthcare disparities.
Researchers at Penn University School of Medicine have developed an ultrasound-based treatment that can disrupt the blood flow to tumors, reducing growth. This innovative approach targets newly formed vessels created by tumors and may lead to new cancer therapies.
Duke engineers have developed a new ultrasound device that combines 3-D imaging with therapeutic heating, potentially improving doctors' most widely used method for destroying aberrant tissue in the heart. The device uses sound waves to heat tissue from a distance, eliminating the need to physically touch the tissue.
Researchers at NSBRI have developed an ultrasound training method that reduces learning time to two-to-three hours a year. The program uses computer-based instruction and remote guidance to enable non-physicians to assess and manage emergency medical conditions in space, sports, and emergency response situations.
Researchers added optical tomography to ultrasound, allowing for non-invasive detection of malignant tumors with higher accuracy. The new technique uses near-infrared light to measure oxygen-carrying blood cells and microvessels in breast lesions.
A study published in JAMA Network found that a diagnostic strategy combining Transesophageal ultrasound-guided fine needle aspiration (EUS-FNA) and mediastinoscopy can identify more patients with tumor invasion or lymph node metastases, reducing unnecessary thoracotomies by 16%.
The American Institute of Ultrasound in Medicine (AIUM) has announced grant recipients for its Endowment for Education and Research program. The awarded researchers will explore innovative applications of ultrasound technology, including high-resolution imaging, selective intracerebral drug delivery, and peripheral nerve imaging. These...
Dr. Niermann received the New Investigator Award for his outstanding scientific abstract on ultrasound research. The award recognizes early-career investigators who demonstrate potential in advancing the safe and effective use of ultrasound in medicine.
Dr. Jon Meilstrup and Dr. Mel Stratmeyer received the Presidential Recognition Award from AIUM for their intense participation, teaching, and leadership roles in the organization. The entire AIUM staff also received a surprise award for outstanding contributions to advancing ultrasound in medicine.
Researchers used diffusion MRI to measure water movement in treated fibroids, showing significant signal intensity and ADC values. This non-invasive technique may improve monitoring of ultrasound treatment success and be useful for other focused ultrasound treatments.
Researchers at the Mayo Clinic Translational Ultrasound Research Unit have developed a new ultrasound technique that can detect subtle changes in heart muscle motions, potentially predicting heart problems. The technology uses high-resolution imaging to measure transitional tissue deformations and analyze their impact on cardiac function.
Researchers used real-time myocardial contrast echocardiography (RTMCE) to diagnose coronary artery disease in patients with chest pain. The study found that perfusion imaging was more effective than wall motion analysis in detecting the condition and predicting patient outcomes.
Researchers at Duke University have developed a new 3-D cardiac imaging probe that offers sharper, high-contrast images and real-time guidance for therapeutic treatment devices. The probe's ability to generate three-dimensional images may shorten patient time in clinics and reduce radiation exposure.
A new sonic flashlight device allows physicians to visualize ultrasound images during catheter placement, making the procedure faster and more efficient. This innovation has the potential to increase patient safety, decrease costs, and improve patient comfort, enabling medical personnel to perform procedures with greater ease.
Researchers successfully transmitted ultrasound images from Yugoslavia to the US using compressed files, with radiologists able to diagnose patients accurately in 67% of cases. The study aims to expand access to medical technology globally, particularly in areas without internet access.
Researchers successfully transmitted ultrasound images over phone lines, demonstrating feasibility for real-time diagnosis in resource-poor settings. The study showed that compressed images were comparable to non-compressed ones in terms of diagnostic accuracy, paving the way for expanded healthcare access.
Dr. Meyer, a distinguished pediatrician and echocardiographer, received the prestigious award for his contributions to ultrasound in medicine and research. With over 50 years of promoting safe and effective use of ultrasound in clinical settings, Dr. Meyer continues to serve as a leading figure in the field.
A new ultrasound technique called streaming detection has been shown to accurately identify benign cysts in breast lumps, allowing for the reduction of unnecessary diagnostic procedures. This innovative method could potentially decrease both patient discomfort and healthcare costs associated with cyst aspirations.
The American Institute of Ultrasound in Medicine (AIUM) recognized renowned professionals with prestigious awards at its 2005 convention. The honors included the William J. Fry Memorial Lecture Award and the Distinguished Sonographer Award, highlighting significant contributions to diagnostic ultrasound.
A study found that Color Doppler sonography speeds detection of necrotizing enterocolitis (NEC) in premature infants, improving survival chances. CDS was more sensitive and specific than abdominal x-rays for determining NEC in newborns.
Researchers used pulsed-HIFU to treat tumors in mice with a reporter gene, achieving nine times higher uptake compared to untreated tumors. The technique has potential for enhanced delivery of therapeutic genes across various tissues without scars or needles.
Researchers analyzed 403 sonograms of solid masses, finding that the BI-RADS lexicon descriptors were highly predictive for both malignant and benign masses. Descriptors like circumscribed margins were accurate in 90% of instances for benign lesions.
A study found that medical technologies in Brazil, such as increased antenatal visits and ultrasound scans, did not improve neonatal mortality rates, but rather led to an increase in pre-term births and low birthweight babies. This suggests that medical interventions may be offsetting the gains from improved maternal health.
High-intensity ultrasound is used to generate nanoparticles of molybdenum disulfide or oxide, which bind to tiny silica spheres. Hollow shells are then created by etching away the silica, resulting in nanospheres with increased edge-surface area for enhanced catalytic activity.
Dr. Felix Herrmann proposes a new theory that seismic data may be showing a simpler interplay of only two substances, rather than complex mineralogies, allowing for clearer images and better understanding of the Earth's interior structure. This approach could lead to improved oil patch discovery and enhanced geological resolution.
A study found that TIA patients received fewer diagnostic tests, including ultrasound and echocardiography, compared to stroke patients. The study also showed that TIA patients were less likely to receive documented education on preventing further strokes at discharge.
A study of over 2700 children found repeated prenatal ultrasounds during pregnancy had no long-term impact on growth or development. Physical and developmental assessments showed similar outcomes between children exposed to multiple ultrasounds and those with a single scan.
A study of 109 patients found that combining MRI and ultrasound can significantly improve quality of life scores for women with uterine fibroids. The procedure is completely non-invasive and safe, with few side effects.
A recent study found that combining ultrasound with tissue plasminogen activator (t-PA) therapy significantly improves outcomes for patients suffering from ischemic strokes. The results show a 49% increase in dramatic clinical improvement and significant blockage reduction compared to traditional t-PA treatment alone.
Researchers found that ultrasound therapy increased clot clearance by 26% compared to tPA alone, with 70% of patients experiencing complete or partial clearance. The study used a hand-held extracranial ultrasound device to deliver heavy doses of the clot-busting drug tPA directly to blood clots.
A recent study published in Annals of Internal Medicine found that high-quality CT scans can accurately determine which pancreatic cancers are treatable, rendering endoscopic ultrasound unnecessary. The study also revealed that CT scans were more accurate in detecting new cancers and determining the stage of the disease.
The study investigates the accuracy of ultrasound in novel clinical conditions and assesses its feasibility for monitoring musculoskeletal changes in astronauts. The findings suggest that remote-guided ultrasound may be an effective method for performing diagnostic exams, with implications for emergency and rural medicine on Earth.
A study by AIUM found significant improvements in ultrasound practice quality after reaccreditation. The proportion of practices meeting accreditation requirements increased significantly, and scores were higher than initial applications.
Gary Whitman, MD, and Alfred Abuhamad, MD, were selected for the award due to their extensive participation in AIUM activities, teaching, and committee memberships. The American Institute of Ultrasound in Medicine has promoted safe and effective ultrasound use in clinical medicine for over 50 years.
The American Institute of Ultrasound in Medicine (AIUM) has awarded several ultrasound research grants to its members, including $10,000 for projects on tumor perfusion and pelvic sonography. The EER also recognized Tatjana Rundek with a special one-time award for her research on carotid artery distensibility.
The New Investigator Award recognizes outstanding research in ultrasound technology, promoting the safe and effective use of ultrasound in clinical medicine. Mr. Wu won the award for his scientific abstract presentation, marking a significant achievement in his academic career.
Researchers at UC Davis are developing a new cancer treatment that uses ultrasound to steer tiny capsules carrying cancer-fighting drugs to tumors. This approach aims to reduce the toxic side effects of current cancer treatments by concentrating the drug directly in the tumor.
A new method developed by UK researchers allows for accurate prediction of a woman's remaining reproductive life-span based on ovarian volume measurements. The technique uses mathematical models and computer analysis to estimate follicle numbers, providing a direct assessment of ovarian reserve.
The American Academy of Neurology has developed a guideline evaluating the use of transcranial doppler ultrasound (TCD) in patients with known or suspected cerebral vascular disease. TCD provides valuable information in screening children with sickle cell disease for stroke risk and detecting vasospasms after subarachnoid hemorrhage.
A study by the American College of Radiology suggests that plain film X-rays are not clinically useful in 72% of cases for children with non-traumatic stomach pain. The imaging study confirms diagnoses of constipation and bowel obstruction, but is unnecessary when other tests like CT or ultrasound are already anticipated.