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Tag: "mri" at medical news

Heart problems detected better with a Cardiac MRI

Every year, more than 5 million people go to the Emergency Room(ER) with chest pain which has persisted for 20 to 30 minutes. Most receive an ECG and other standard tests to determine if they are having a heart attack or other serious heart problems. However, ECGs can be completely normal even when a heart attack is taking place. ECGs are also sometimes unable to identify unstable angina, or ches...

The Use Of MRI For Screening Of Breast Cancer Questioned

A new study finds MRIs are significantly better at detecting cancers in women at high risk of developing cancers than standard mammograms // or clinical breast exams. ..The study involved around 1,900 women with a lifetime breast cancer risk of 15 percent. The group included 358 women who also carried one of the genes known to put women at particularly high risk for the disease. All of the women...

fMRI Offers Insight Into An Infants Brain

New research challenges the previously held belief that infants' brains don't divide into left-brain/right-brain dominance until puberty. // A new study finds the brain's left hemisphere plays the leading role in processing most language functions beginning almost immediately after birth. ..Researchers are using functional magnetic resonance imaging, or fMRI, to study infant brain activity in res...

New Technology In MRI Scan Help Test Brain Cancer Therapy

In the latest application of magnetic resonance imaging (MRI) scan, medical professionals have been able to // track the effectiveness of the treatment meted out to brain tumor. ....The study, which will be published in the March 28, 2005 online edition of Proceedings of the National Academy of Sciences, will cause major breakthrough in cancer treatment, in terms of speed and efficiency. The scie...

MRI screenings may be better to identify breast cancer

Scientists of UK had said in the journal The Lancet that for identifying the risk of breast cancer in women// who have a history of breast cancer in their families, MRI scanning does score more than mammography. ....Researchers feel that women who have a family history of breast cancer are predisposed to the disease genetically. These women will benefit from being screened for breast cancer from...

MRI for distinguishing between dementia and Alzheimer’s diseas

A new magnetic resonance imaging (MRI) technique called arterial spin can distinguish// between frontotemporal dementia and Alzheimer’s disease. ....Frontotemporal dementia is often mistaken for Alzheimer’s disease in patients although it is different from the latter in its behavior manifestations. The disease is characterized by either gradual changes in behavior patterns characterized by repeti...

MRI with nanoparticles highly sensitive in detecting prostate cancer metastases

High-resolution MRI with magnetic nanoparticles is highly sensitive in detecting clinically occult lymph-node metastases in prostate cancer, according to a new report. In fact, routine use of this modality preoperatively could obviate many unneeded surgeries.// ....The nanoparticles, which are given intravenously 24 hours before scanning, work by binding to lymphatic cells. The particles only bin...

Making MRIs Safe for Patients With Implantable Heart Devices

New research shows that people who have implanted heart-assist devices, such as pacemakers and defibrillators, may safely use magnetic resonance imaging .// ..Pacemakers and defibrillators are battery-operated implantable devices used to regulate an abnormal heartbeat known as arrhythmia. Researchers say doctors have feared that the electromagnetic fields of the MRI may heat up metal components o...

MRI, To Detect Remodeling Of Heart and Help Preserve Function

MRI is a noninvasive technique that produces high-quality images of structures and other internal organs inside the body. The technology's applications and image quality have grown steadily since MRI was introduced into medicine in the 1990s. //.. ..It is now possible to tag the work of millions of individual strands of heart muscle fibers, which work together to ensure circulation though out ou...

MRI as a diagnostic tool for breast cancer

Mammography has been proven to be a sensitive screening tool for the detection of early breast cancer; however, the increased tissue density// of young women can complicate mammographic interpretation. ..As the sensitivity of magnetic resonance imaging (MRI) for the detection of breast cancer is high and virtually uncompromised by increased breast density, there is, an interest in using breast M...

MRI Shows Emotional Changes During Menstrual Cycle

Brain scans have recently revealed that mental processes can change across the menstrual cycle. // ..The orbitofrontal cortex (OFC) has been implicated in the representation of emotional stimuli, assignment of emotional valence/salience to stimuli, stimulus-reinforcement association learning, motivation, and socio-emotional control. ..In the study, which appears in the online early edition of th...

MRI can predict risk of cardiac arrhythmia by identification of scar tissue

Magnetic resonance imaging can now be used to predict the risk for a fast and dangerous heart rhythm known as ventricular arrhythmia. Patients whose muscle wall thickness contained over 25 percent of scar tissue are nine // times more likely to likely to test positive according to researchers at Johns Hopkins Institute. ..If the findings can be extrapolated to accurately predict the risk of arr...

Rehabilitate Sex Workers - Mata Amritanandamayi

Amritapuri (Kerala): Mata Amritanandamayi plans to rehabilitate sex workers and the debt-trapped farmers by opening rehabilitation center in various places//. .... Amritanandamayi is lovingly called "Amma"(the mother) by millions of people, especially living in southern parts of India and is slowly emerging in the same light as the next Mother Teresa of India. ....She renders comfort by huggin...

Brain Is More Active While Hiding The Truth, Reveals fMRI Imaging

Functional magnetic resonance imaging (fMRI) can help identify if an individual is lying much better when compared to the traditional polygraph tests. // The test further highlights certain specific brain regions that light up when a person tells a lie. Researchers from Temple University Hospital in Philadelphia have conducted the interesting research. The results appear in the latest issue of Ra...

MRI Scan Insufficient For Diagnosing Multiple Sclerosis

The diagnosis of multiple sclerosis using the magnetic resonance imaging (MRI) has been found to be insufficient, says the new findings// published by the BMJ. ....MRI has been adopted in England and Wales by the National Institute for Health and Clinical Excellence (NICE) as part of the recommended criteria for diagnosing multiple sclerosis. Although its accuracy has been assessed, the evidence...

Helium And MRI Scanning Clearly Detects Smoker Lungs – Research Find

A new approach of imaging discovered by scientists now detects even small smoking-related lung damages in healthy smokers//. ..A harmless gas, helium is now used to track deep into the smokers lungs and its movement - researchers at the University of Wisconsin-Madison finds. MRI (magnetic resonance imaging),a diagnostic technique creates clear and deep contrast-coloured images of lungs soft tiss...

Amritraj Floats Charity To Help AIDS Victims In India

Tennis star-turned-entertainment moghul and UN Messenger for Peace, Vijay Amritraj, has launched a charity that will aid organisations working in India among HIV/AIDS victims. // ....The UN estimates that about 5.5 million people are suffering from HIV/AIDS in India and only a fraction is getting treatment despite the country's pharmaceutical industry producing low cost medicines for the disease...

MRIs Show Drug Treatment Slows Brain Deterioration on Road to Alzheimer's Disease

According to a new study, the drug donepezil measurably slows the rate of brain shrinkage in some patients with mild cognitive impairment, a pre-Alzheimer’s disease// condition. The shrinkage was measured by magnetic resonance imaging (MRI). ....Among carriers of the apolipoprotein E4 (APOE 4) allele, serial brain imaging studies of patients treated with donepezil showed less shrinkage of the hi...

MRI-guided Breast Biopsy Pronounced a Success

An MRI-guided breast biopsy successfully removed the breast lesion by taking x-ray of the lesion as well as slices of the lesion, according to radiologists. "Contrast-enhanced// MRI of the breast is becoming increasingly useful in patients with lesions that cannot be detected with other techniques," said Basak Erguvan-Dogan, MD, radiologist in Breast Imaging at the University of Texas M.D. Anders...

Specimen Radiography Confirms Success of MRI-Guided Breast Biopsy

Radiologists can help confirm that an MRI-guided breast biopsy has successfully removed the lesion by taking an x-ray of the lesion and slices of the lesion, a new study// shows. ....“Contrast-enhanced MRI of the breast is becoming increasingly useful in patients with lesions that cannot be detected with other techniques,” said Basak Erguvan-Dogan, MD, radiologist in Breast Imaging at the Univer...

MRI Scans in Premature Infants Can Predict Future Developmental Delays

A Washington University pediatrician at St. Louis Children’s Hospital has found that performing MRI scans on pre-term infants’ brains assists dramatically in predicting// the babies’ future developmental outcomes. ....Terrie E. Inder, M.D., associate professor of pediatrics, of radiology and of neurology at Washington University School of Medicine in St. Louis, and pediatric researchers in New Z...

fMRI Prior to surgery Could Help In Outcome Of Tumor Surgery

Studies have shown that mapping the brain areas preoperative brain could effectively alter the outcome of tumor surgery. ....A study that is to appear in the September issue of Radiology, states that by systematically mapping the motor// and language areas of the brain with functional magnetic resonance imaging (fMRI), could help the surgeons in pinpointing the brain tumors more effectively, and...

MRI Development Yields Breakthrough in Diagnosis of Liver Fibrosis

A new technique for measuring the hardness or elasticity of the liver has been developed by Mayo Clinic researchers using magnetic resonance imaging (MRI).// Initial tests show promise for this technology, MR Elastography (MRE), for detecting liver fibrosis, a common condition that can lead to incurable cirrhosis if not treated in time. ..Traditionally, liver fibrosis is usually diagnosed using...

MRI Technology Dramatically Improves Breast Cancer Diagnosis

Doctors at the University of Kansas Hospital have a new tool in the fight against breast cancer, but it’s the same technology that has been helping doctors// in other areas improve diagnoses for years… magnetic resonance imaging (MRI). ....For the past several months Dr. William Smith and Dr. Marc Inciardi, dedicated breast radiologists in the hospital’s breast imaging center, have been working w...

MRI Can Monitor Transplanted Islets

Magnetic resonance imaging (MRI) could be a safe way to monitor the fate of transplanted pancreatic islets, says a new study in the September issue of the journal Diabetes. // Researchers from the Martinos Center for Biomedical Imaging at Massachusetts General Hospital (MGH) said that they were able to track transplanted islets in mice using the guidelines laid down for human transplants. ...."C...

MRI And Breast Cancer

A study published in the August issue of the American Journal of Roentgenology says that MRI is more accurate than multidetector computed tomography (MDCT) in diagnosing// the spread of breast cancer. ....Japanese researchers used MRI and MDCT on 69 patients to examine the efficiency of both tests. MRI was correctly able to diagnose 33 of the 44 cases, while MDCT correctly diagnosed 27. "MRI rev...

Remote Control MRI Scans

Remote-control software has been developed by scientists from the University of California at Los Angeles (UCLA) and Siemens Medical Solutions //that facilitates execution of magnetic resonance imaging (MRI) scan using the internet by an off-site imaging expert. ..According to the researchers, the remote scans were better in quality than the onsite scans performed by a less skilled person. This...

MRI Detects Early Heart Damages In Patients

According to a study conducted by cardiologists of Duke University Medical Center, Magnetic Resonance Imaging (MRI) can be used as a conventional method for detecting heart// damages early in patients with the immune system disorder sarcoidosis, who are at higher risk of dieing from heart problems. ..By using MRI to discover minute areas of heart damage before they grow larger, physicians may be...

Big Savings for Government if GPs Directly Refer MRIs

AMA President, Dr Mukesh Haikerwal, said today that the Government could save as much as $42 million //a year in the Health Budget if it allowed GPs to refer patients directly for Magnetic Resonance Imaging (MRI). ....The details of the proposal are contained in the AMA's Federal Budget Submission 2007-08, which was released yesterday. ....Dr Haikerwal said GPs currently have to refer patient...

New MRI Technique Measures Intracranial Pressure in Brain Disorder

A new advanced magnetic resonance imaging technique developed at the University of Illinois at Chicago for the diagnosis and treatment of neurological problems, such as// Chiari malformations, hydrocephalus and brain injury, will be evaluated for clinical use through a $1.4 million National Institutes of Health Bioengineering Research Partnership grant. ....The project, which draws on bioenginee...

MRI of the Ankle Changes Patient Treatment And Improves Diagnosis

MR imaging can make a dramatic difference in the management of patients with ankle pain, changing treatment in about one-third of the patients, a new study finds. // ....The study, of 91 patients, found that MR changed the management plans of 35% of patients, said Philip W.P. Bearcroft, MD, of Cambridge University Hospitals in England. “This is itself is significant, but more significant is the...

MRI Better Than CT for Diagnosing Strokes

A US government funded study finds that CT scans used in emergency rooms spotted only 25%of strokes and hence have to be replaced by MRI scans which are better in identifying any type of stroke. // ....“This mantle should now be passed to magnetic resonance imaging,” wrote Dr. Geoffrey A. Donnan and colleagues at the University of Melbourne in Australia in a note accompanying the study report....

MRI Contrast Agent Linked to Complication in Renal Patients

A "mysterious" condition called nephrogenic systemic fibrosis (NSF)— which occurs only in patients with advanced kidney disease—is strongly// related to use of gadolinium dyes for MRI scans, reports a study in the March Clinical Journal of the American Society of Nephrology. ....An accompanying editorial identifies specific groups of patients in whom gadolinium exposure should be avoided, at lea...

Indian American's Research Could Lead to Improved MRI

An Indian American professor's project on magnetic resonance imaging (MRI) could revolutionize healthcare by providing a more accurate tool for diagnosing cancer and// other illnesses. ....Naresh Dalal, professor of chemistry and biochemistry at the Florida State University (FSU) and a graduate of Panjab University, conducted experiments with other researchers from the University of Colorado and...

Single Slice MRI- Handy Tool to Identify Children at Risk

A new study finds that single-slice magnetic resonance imaging (MRI) is a fast and non-invasive way to measure intra-abdominal fat//. ..Excessive intra-abdominal fat is known to be a major risk factor for developing heart disease, diabetes and other illnesses in children and teenagers. .. Unlike the fat that lies just beneath the abdominal wall, forming skin folds or "love handles," internal fa...

EMRI to Expand Emergency Care Services Throughout India

With its emergency health care services available across most of Andhra Pradesh, the Emergency Management and Research Institute (EMRI), an initiative of Satyam Foundation, plans to cover the entire state by the month-end and then expand it throughout the country in the next two years. ......EMRI, which presently has 500 state-of-the-art ambulances in Andhra Pradesh, is serving a population of...

Breakthrough in MRI Scanning in the Near Future

Scientists and clinicians from Aberdeen University are on the brink of another global MRI breakthrough, which could save thousands of lives,// by an early diagnosis of cancer, Alzheimer’s, Parkinson’s and Multiple Sclerosis and other disorders. ..A prototype of an MRI scanner has been developed which provides up to 100 different images, compared to one image from current MRI scanners. ..Two pro...

MRI Screening of Other Breast Crucial for Patients Diagnosed With Cancer in One Breast

A multi-center study concludes that women with a recent diagnosis of cancer in one breast should have MRI screening of the opposite breast.// ..This study was conducted by the Chapel Hill researchers at University of North Carolina. ..The international research team found that MRI, or magnetic resonance imaging, detected cancer in the opposite breast in 30 of 969 women (3.1 percent) who had r...

MRI-safe Motor Makes Robotic Biopsies Possible

Engineers of Johns Hopkins claims to have invented a motor without metal or electricity that can be used to perform cancer biopsies and therapies guided// by magnetic resonance imaging. ....The motor that drives the devices can be so precisely controlled by computer that movements are steadier and more precise than a human hand. ...."Lots of biopsies on organs such as the prostate are currentl...

MRI Robotic Biopsies Simplified by PneuStep

Engineers at the Johns Hopkins Urology Robotics Lab report the invention of a motor without metal or electricity that can safely power remote-controlled // robotic medical devices used for cancer biopsies and therapies guided by magnetic resonance imaging. The motor that drives the devices can be so precisely controlled by computer that movements are steadier and more precise than a human hand. ....
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