Articles tagged with Magnetic Resonance Imaging
A new study published in The Lancet found that MRI scans are more accurate than SPECT tests in detecting coronary heart disease. MRI scans also do not use ionizing radiation, potentially reducing exposure for patients and healthcare professionals.
Researchers at Penn developed a new MRI contrast agent that targets acidic environments of tumors, improving diagnosis accuracy. The coating technology allows the particles to be neutral near healthy tissue but become ionized in low pH, attracting them to tumor sites.
Researchers at UTHealth found evidence that multiple sclerosis affects the thalamus, a brain region controlling cognitive function, sensory processing, and motor skills. The study used MRI scans to compare patients with MS to healthy controls, revealing volume loss in the thalamus related to disease severity.
A research team has developed a handheld, mobile device capable of rapidly detecting brain injuries such as hematomas in patients with traumatic brain injuries. The device uses near-infrared imaging to detect changes in blood volume and can be used for quick screenings before more expensive imaging techniques.
A 'fantastic voyage' through the body is now possible with precision control thanks to a new capsule endoscope developed by Tel Aviv University researcher Dr. Gabor Kosa. The device uses MRI technology to navigate the digestive tract, enabling doctors to detect problems and perform biopsies or local drug delivery in a non-invasive manner.
Researchers at the University of Alberta have discovered a new way to track the progression of multiple sclerosis by using powerful MRI to measure iron levels in brain tissue. The study found that high iron levels are associated with physical disabilities and may be an early marker of MS.
Researchers at the University of Southampton are working on enhanced MRI scans that can detect cancerous cells before they cause health problems. The new technology uses hyperpolarization to create incredibly strong NMR signals that last long enough for scans, allowing for earlier detection of abnormalities.
Researchers found correlations between MRI measures and histopathological markers of breast cancer, suggesting the potential for MRI in predicting disease prognosis and guiding targeted therapies. The study's findings could lead to improved understanding of breast cancer biology and more accurate treatment planning.
Researchers will scan 25 children using a four-time stronger MRI machine to validate initial evidence about brain damage and disease progression. The findings could lead to significant new approaches to prevent or minimize cerebral malaria's destructive effects.
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.
A study found that physicians with financial interest in imaging equipment refer more patients for unnecessary MRI exams, leading to increased healthcare costs. The study revealed a higher rate of negative scans and younger patients among those referred by financially interested physicians.
Researchers from Yale have devised a way to monitor the growth of laboratory-engineered blood vessels after implantation in patients using MRI and nanoparticle technology. This advance allows for noninvasive monitoring of engineered tissues, which is crucial for personalized medical treatments.
Researchers used diffusion tensor imaging (DTI) to study the effects of soccer 'heading' and found that frequent headers can lead to degeneration of brain cells. Brain areas responsible for attention, memory, and visual functions showed significant changes in FA values with high heading frequencies.
A new study found that healthy individuals with more gray matter in their decision-making brain region can better evaluate rewards and consequences. In contrast, cocaine addicts have reduced gray matter volume in the same area, leading to impaired reward processing and increased risk of addiction.
A new virtual childbirth simulator using MRI-based computer software has been developed to improve the safety of high-risk deliveries. The software simulates the properties of potential deliveries and scores each mother's likelihood of a normal birth.
Researchers integrated 3-D imaging techniques to better understand facial structure and contours, underlying bone, muscles, nerves, and vessels in face transplantation. This technology allows for customized procedures and real-time user interaction to assess eligibility and plan the surgery.
Experts from NYU Langone's Department of Radiology will present on various topics, including genitourinary evaluations and breast MRI outcomes. The department is a leader in advanced diagnostic imaging with over 100 board-certified radiologists.
A study found that post-mortem imaging can identify cause of death in two-thirds of cases, with CT being more accurate than MRI. However, common causes of sudden death are frequently missed, and further development is needed to address these weaknesses.
Despite widespread adoption, MRI's limited evidence supports its benefit only for high-risk women and no significant impact on treatment outcomes. MRI's increased sensitivity in detecting cancer has yet to translate into better patient selection or reduced surgical procedures.
Researchers found that responders with high exposure to the dust cloud had high-risk features of atherosclerosis and impaired vascular reactivity. The study used MRI imaging to evaluate cardiovascular risk in WTC first responders.
Researchers developed a new MRI technique called Arterial spin labeling (ASL) to measure changes in brain function, potentially replacing the current standard PET scan. The study found that ASL-MRI is comparable to FDG-PET in detecting Alzheimer's disease and has the advantage of being non-invasive and widely available.
A new study found that spinal bleeding is common in young children with traumatic brain injury, suggesting abusive trauma. Complete spine imaging can help distinguish between abusive and accidental injury in these cases. The study's findings support the importance of imaging the whole spine for accurate diagnosis.
A new study uses high-field MRI to detect tiny white matter lesions in developing brains, revealing previously undetectable injuries. This breakthrough has the potential to prevent delays in therapy and improve diagnosis and prognosis of white matter injury in preterm infants.
Researchers have developed a computer algorithm that can analyze brain scans to predict the severity of future psychotic episodes. The study found that the algorithm was able to differentiate between patients who would develop continuous psychosis and those with more benign forms in seven out of ten cases.
Cardiovascular Magnetic Resonance (CMR) has become a critical diagnostic tool in clinical cardiology, providing comprehensive assessments of ventricular function, cardiac morphology, perfusion, viability, and metabolism. CMR offers significant advantages over other imaging modalities, including the absence of ionizing radiation and hig...
A new algorithm developed at MIT's Research Laboratory of Electronics can dramatically speed up MRI scans, cutting the time patients spend in the machine from 45 to 15 minutes. The algorithm uses information gained from the first contrast scan to produce subsequent images, significantly shortening the acquisition time.
Scientists have developed a sensor array that can diagnose multiple sclerosis from exhaled breath, offering a fast, inexpensive and non-invasive alternative to traditional methods. The technology has been tested in humans and shows promising results, rivaling the accuracy of spinal taps without pain or risk.
Researchers used a combination of MRI, cerebrospinal fluid, and neuropsychological testing to improve predictive accuracy for near-term dementia conversion. The test results were found to be almost perfect in predicting those who would not develop Alzheimer's disease in three years.
A new study suggests that MRI scans can precisely measure cholesterol within artery-clogging plaque, allowing for better assessment of cholesterol medication effectiveness. After three years, patients showed significant reductions in cholesterol levels and plaque volume.
The US Army has awarded a $1.5 million cooperative research agreement to Virginia Tech's Arlington Innovation Center for neuroimaging studies of human performance and sleep regulation. The project aims to use advanced imaging techniques to better understand the brain's role in sleep, stress, and mood.
The UCSF MRI technology center has been awarded a $5.5 million NIH grant to advance new magnetic resonance imaging (MRI) technology that can detect cancer's aggressiveness more accurately. The technique, tested in a small pilot study, uses a new instrument to boost the MRI signal and measure enzyme activity in real time.
A new translational research center aims to predict and prevent osteoarthritis in young people and improve care for adults suffering from the disease. The center will integrate imaging, biomechanics, and clinical medicine to develop clinical tools that can assess degeneration and risk factors.
A protocol developed by Johns Hopkins cardiologists has enabled patients with implanted cardiac devices to safely undergo MRI scans. With appropriate precautions and careful patient monitoring, the risk of device malfunction is very low.
Researchers highlight the importance of clinicians recognizing signs of bioterrorism threats. Behavioral-based weight loss treatments have been shown to be safe and effective, yielding clinically meaningful results. Additionally, proper selection and programming can make MRI scans safe for cardiac device patients.
Researchers at Carnegie Mellon University have developed a patented MRI technology that allows them to non-invasively track neural stem cells in living brains. This breakthrough could inform the development of new treatments for brain injuries, stroke, Parkinson's disease, and other neurological disorders.
A new type of MRI scan, diffusion-weighted MRI, has been shown to be more accurate in detecting lung cancer than current PET-CT scans. This non-invasive technique measures water movement in lung tissue and can detect structural changes caused by cancer even in early stages.
A new study in Canada found that breast imaging reports generated with automatic speech recognition (ASR) systems have a higher error rate compared to conventional dictation transcription. At least one major error was found in 23% of ASR reports, while 4% of conventional reports contained errors affecting patient management.
A study found that MRI screenings detected more breast cancer cases than mammography in high-risk, underserved women. The use of MRI also increased patient compliance with follow-up care. Lowering the cost of MRI may make this screening method more accessible to underinsured populations.
A preliminary study suggests that the SWIFT MRI technique can accurately detect mandibular invasion by squamous cell carcinoma, allowing for more precise planning and potentially preventing unnecessary removal of the jawbone. The researchers found a high degree of correlation between magnetic resonance images and histopathologic findings.
Recent studies by Sanjay Kalra demonstrate that ALS damages neurons in cognitive and behavioral areas of the brain, contradicting previous assumptions. MRI scans reveal decreased levels of neural markers NAA and increased mIns, indicating biological changes responsible for behavioral symptoms.
A new study has confirmed that abnormal brain blood flow continues or worsens over time in veterans with Gulf War illness. The research used a novel technique to assess hippocampal regional cerebral blood flow and identified a special MRI procedure to diagnose the condition more accurately.
Researchers used MRI and PET/CT to prove the efficacy of dalcetrapib in preventing atherosclerosis progression and reducing vascular inflammation over 24 months. The study found significant reductions in atherosclerotic disease progression and arterial inflammation, suggesting a promising new treatment for cardiovascular disease.
A study published in Arthritis & Rheumatism found a strong association between cam-type deformities and early signs of hip damage in young, asymptomatic males. The researchers detected 67 definitive cam-type deformities, which were more common in men with higher body mass index and decreased internal rotation.
The CRISP AMI trial found that intra-aortic balloon counterpulsation does not reduce infarct size in patients with ST segment elevation myocardial infarction (STEMI) without cardiac shock. The study showed no significant difference in infarct size between the groups, but IABC was associated with lower mortality rates.
A new study found that MRI-assessed tumor responses to neoadjuvant therapy can predict survival among patients with advanced rectal cancer. The findings suggest that using MRI prior to surgery may help change the course of patient care, enabling physicians to choose a more effective chemotherapy drug or avoid surgery in some cases.
A study published in Radiology found that pericardial fat is more strongly related to coronary artery plaque than body mass index or waist circumference. This association suggests that fat around the heart may be an early indicator of coronary disease, particularly in overweight individuals.
Researchers at NYU Langone Medical Center have developed advanced MRI techniques that can detect subtle changes in joint cartilage microstructure, allowing for early diagnosis of osteoarthritis. These techniques enable physicians to shift the management of the disease from eventual joint reconstruction to long-term preservation.
Researchers at U of M Medical School used advanced MRI technology to develop a better approach to diagnosing epilepsy. The study revealed highly detailed images of brain tissue, allowing doctors to accurately locate scar tissue associated with the condition.
Radiation dose optimization in head CT scans is crucial for reducing exposure and improving patient safety. Experts recommend using techniques such as lower tube current, automatic exposure control, and scanning at a lower tube voltage to minimize dose without compromising image quality.
Researchers have used MRI to produce unprecedented videos of a tarantula's heart beating, revealing a distinct type of contraction known as 'double beating'. This breakthrough uses non-invasive techniques, providing greater insight into internal workings and paving the way for new applications in medicine and biology.
The study presents promising results for the clinical use of a new integrated PET/MRI system, which provides diagnostic information on soft tissues and physiological functions. The technology has been shown to be comparable in detecting cancerous tumors as conventional PET/CT methods.
A study in the Journal of the American College of Radiology found that patient age and facility imaging capacity significantly impact MRI use. Hospitals with limited access to scanning technologies had less frequent use of MRI scans.
Researchers used advanced imaging technique to detect blast-related injuries in US military personnel, finding abnormalities in brain white matter. These findings suggest fundamental differences between blast-related and civilian traumatic brain injuries.
A study published in Radiology found that restrictive gadolinium-based contrast agent guidelines effectively prevented nephrogenic systemic fibrosis (NSF) and its severe complications, including joint deformity and immobility. The guidelines require a blood test to estimate kidney function before administering the contrast agent.
A new technology fusion of MRI with real-time 3D ultrasound improves targeted biopsy accuracy for prostate cancer diagnosis. The system identifies suspicious areas in the prostate and provides a roadmap for biopsy needle guidance, increasing cancer detection rates by five times compared to conventional biopsies.
Researchers found that combining ultrasound with pre-operative MRI is a cost-effective strategy for evaluating rotator cuff tears. The study showed that this hybrid approach can be more cost-effective than using MRI alone, especially in populations with lower pre-test probabilities of rotator cuff tear.
A new study shows that susceptibility-weighted imaging (SWI) is a powerful tool for characterizing infarctions in patients earlier, directing more prompt treatment. SWI detected thromboemboli in 30 patients out of 35 with thromboembolic infarctions, improving the classification of cerebral infarctions.
A new study found that radiologists using MRI can correctly identify the primary site of cancer in 79% of cases, even when biopsy results are inconclusive. This improves patient outcomes by providing more accurate treatment options.
A study suggests that animal-assisted therapy can decrease patient anxiety in the pre-MRI setting, potentially reducing the need for anti-anxiety medications. The research, conducted at Monmouth Medical Center, involved 28 patients who interacted with a certified therapy dog before undergoing MRI scans.
A study found that a pelvic MRI scan can identify local recurrence in prostate cancer patients with rising or persistently elevated PSA levels. About one-third of these patients have a low PSA level of less than 1, making it possible to treat them with higher doses and potentially increasing cure rates.