Current Interventional Radiology News and Events

Current Interventional Radiology News and Events, Interventional Radiology News Articles.
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Machine learning method identifies precancerous colon polyps
A machine learning algorithm helps accurately differentiate benign and premalignant colorectal polyps on CT colonography scans, according to a new study. (2021-02-23)

Including racial/ethnic minorities, females, older adults in vaccine trials
Using data from completed interventional vaccine trials from 2011 to 2020, researchers examined whether racial/ethnic minority groups, females and older adults were underrepresented in U.S.-based vaccine clinical trials. (2021-02-19)

Stents or bypass surgery more effective for stable patients with high-risk cardiac anatomy
A study by University of Alberta cardiologists at the Canadian VIGOUR Centre shows that a particular group of patients with stable ischemic heart disease have better outcomes with percutaneous coronary intervention (also called angioplasty with stent) or coronary artery bypass surgery and medication, versus conservative management with medication alone. (2021-02-18)

Radiological images confirm 'COVID-19 can cause the body to attack itself'
Muscle soreness and achy joints are common symptoms among COVID-19 patients. But for some people, symptoms are more severe, long lasting and even bizarre, including rheumatoid arthritis flares, autoimmune myositis or 'COVID toes.' A new Northwestern Medicine study has, for the first time, confirmed and illustrated the causes of these symptoms through radiological imaging. (2021-02-17)

Radiomics shows cocaine fuels coronary artery disease risk
Radiomics--the extraction of very detailed quantitative features from medical images--provides a refined understanding of how cocaine use and other risk factors affect the course of coronary artery disease, according to a new study. Researchers said the study shows the power of radiomics to improve understanding of not just cardiovascular disease, but cancer and other conditions as well. (2021-02-16)

COVID-19 linked to potentially dangerous eye abnormalities
Researchers using MRI have found significant abnormalities in the eyes of some people with severe COVID-19, according to a new study. The study results support the need for eye screening in these patients to provide appropriate treatment and management of potentially severe ophthalmological manifestations of COVID-19. (2021-02-16)

Breast cancer death rates stop declining in younger women
Breast cancer death rates have stopped declining for women in the U.S. younger than age 40, ending a trend that existed from 1987 to 2010, according to a new study. Researchers expressed hope that the findings would raise awareness of breast cancer in younger women and spur research into the causes behind the change. (2021-02-09)

Imaging identifies breast cancer patients unlikely to benefit from hormone therapy
Hormone therapy can be very effective for so-called estrogen receptor-positive breast cancer. But it only works for a little more than half of women who receive the treatment. In a small study, researchers at Washington University School of Medicine in St. Louis found that women whose tumors did not respond to a one-day estrogen challenge did not benefit from hormone therapy. The findings could help doctors choose treatments most likely to help their patients. (2021-02-02)

Ultrasound technique treats prostate cancer with minimal side effects
A technique that delivers high-intensity focused ultrasound to targeted tissue under MRI guidance effectively treats intermediate-risk prostate cancer with minimal side effects, according to a new study. (2021-02-02)

A microscopic look at aneurysm repair
Research from the University of Pittsburgh and the Mayo Clinic, published in Experimental Mechanics, is the first to show that there are two phases of wall restructuring after an aneurysm forms, the first beginning right away to reinforce the weakened points. (2021-01-25)

Impact of patient-reported symptom information on lumbar spine MRI Interpretation
According to an open-access article in ARRS' American Journal of Roentgenology (AJR), in lumbar spine MRI, presumptive pain generators diagnosed using symptom information from brief electronic questionnaires showed almost perfect agreement with pain generators diagnosed using symptom information from direct patient interviews. (2021-01-25)

CT identifies patients with high-risk nonalcoholic fatty liver disease (NAFLD)
According to ARRS' American Journal of Roentgenology, Fibrosis-4 and multiple CT findings can identify patients with high-risk nonalcoholic fatty liver disease--advanced fibrosis or cirrhosis, that is--though the presence of nonalcoholic steatohepatitis remains elusive on CT. (2021-01-22)

New suspicious lesions on breast MRI in neoadjuvant therapy
According to ARRS' American Journal of Roentgenology (AJR), new suspicious findings occurred in 5.5% of breast MRI examinations performed to monitor response to neoadjuvant therapy; none of these new lesions were malignant. (2021-01-14)

Noted experts challenge conventional wisdom within the field of radiology
A special issue of the Journal of the American College of Radiology (JACR), published by Elsevier, challenges conventional wisdom across the imaging community. This collection of articles, the ''Provocative Issue,'' presents extreme opinions on pressing issues confronting radiologists with the deliberate aim of sparking positive dialog and debate that will lead to innovative solutions to improve patient care and imaging-related outcomes. (2021-01-12)

Gene therapy strategy found effective in mouse model of hereditary disease TSC
Patients with a genetic disorder called tuberous sclerosis complex have noncancerous tumors growing in numerous organs, and their treatment options are limited. A gene therapy strategy effectively treated mice that express one of the mutated genes that cause the disease. (2021-01-08)

'Virtual biopsies' could replace tissue biopsies in future thanks to new technique
A new advanced computing technique using routine medical scans to enable doctors to take fewer, more accurate tumour biopsies, has been developed by cancer researchers at the University of Cambridge. This is an important step towards precision tissue sampling for cancer patients to help select the best treatment. In future the technique could even replace clinical biopsies with 'virtual biopsies', sparing patients invasive procedures. (2021-01-06)

Imaging of ballistic wounds, bullet composition and implications for MRI safety
According to an article in ARRS' American Journal of Roentgenology (AJR), because patients with ballistic embedded fragments are frequently denied MRI (due to indeterminate bullet composition sans shell casings), radiography and CT can be used to identify nonferromagnetic projectiles that are safe for MRI. (2020-12-29)

Despite same treatment, obese women face more risks for postpartum hemorrhage complications
As part of an academic medical center initiative to improve maternal health, researchers at the University of South Florida Health (USF Health) and Tampa General Hospital (TGH) examined how obesity affected the management and outcomes of postpartum hemorrhage at a tertiary care center. The findings highlight that certain groups of high-risk obstetric patients, such as obese women, may need a different treatment protocol for postpartum hemorrhage, a potentially serious and largely preventable obstetric complication. (2020-12-21)

Interventional radiology associated with an increased risk for preventable adverse events
In a review article in the journal Radiology, researchers from Boston University School of Medicine (BUSM), suggest there is a critical need to renew understanding of adverse events and complications within interventional radiology. They also call for a robust recommitment to patient safety and quality assurance in clinical practice, continuing medical education and graduate medical education. (2020-12-17)

A first-in-human clinical trial shows microbubbles augments radiation in liver cancer patients
Bursting gas-filled microbubbles using ultrasound waves sensitizes tumors to targeted radiation, reducing tumor growth and improving overall survival after treatment. (2020-12-15)

Novel MRI contrast agent sidesteps toxic effects of current products
Researchers are developing an alternative MRI contrast agent based on manganese, an essential element in human nutrition, that is easily processed and eliminated by the body. Manganese has magnetic properties similar to those of gadolinium, but without gadolinium's toxicity. (2020-12-15)

No mortality increase with paclitaxel-coated devices in peripheral arterial disease
An interim analysis from the Swedish Drug-Elution Trial in Peripheral Arterial Disease (SWEDEPAD) has now been presented. It shows that, for patients with lower limb occlusive arterial disease, paclitaxel-coated balloons and stents do not bring about the rise in mortality previously reported. The study, led by the University of Gothenburg and published in The New England Journal of Medicine (NEJM), is expected to resonate internationally. (2020-12-09)

Digital breast tomosynthesis improves invasive cancer detection
Breast cancer screening with digital breast tomosynthesis (DBT) offers significant advantages over digital mammography, including improved cancer detection and lower false negative rates, according to a new study. (2020-12-04)

JNIS™: cuts in Medicare payments jeopardize patient access to care
The final 2021 Medicare Physician Fee Schedule (MPFS) issued this week by the Centers for Medicare & Medicaid Services (CMS) will result in reimbursement cuts in the range of 10% for neurointerventional procedures, according to a detailed analysis published last week in the Journal of NeuroInterventional Surgery™, the leading international peer-reviewed journal for the clinical field of neurointerventional surgery. Practitioners warn that this measure will jeopardize access to lifesaving care for individuals experiencing strokes, aneurysms and other deadly conditions. (2020-12-03)

Post-COVID pain or weakness? Request an ultrasound or MRI
A new Northwestern Medicine study shows how advanced imaging technology can pinpoint what may have caused patients' nerve damage and help determine the best course of treatment. (2020-12-01)

Popular weight-loss surgery in teenagers weakens bones
A common weight loss surgery for adolescents with obesity called sleeve gastrectomy has harmful effects on bones, according to a study being presented at the annual meeting of the Radiological Society of North America (RSNA). (2020-11-24)

Researchers create 3D-printed nasal swab for COVID-19 testing
In response to the critical shortage of nasopharyngeal (NP) swabs early in the COVID-19 pandemic, the Department of Radiology at University of South Florida (USF) Health in Tampa set out to design, validate and create NP swabs using a point-of-care 3D printer. Results of the first clinical trial of 3D-printed NP swabs for COVID-19 testing are being presented at the annual meeting of the Radiological Society of North America (RSNA). (2020-11-23)

Early details of brain damage in COVID-19 patients
Looking at six patients using a specialized magnetic resonance technique, researchers at Massachusetts General Hospital found that COVID-19 patients with neurological symptoms show some of the same metabolic disturbances in the brain as other patients who have suffered oxygen deprivation from other causes, but there are also notable differences. (2020-11-18)

Novel technique 'stuns' arthritis pain in shoulder and hip
A novel outpatient procedure offers lasting pain relief for patients suffering from moderate to severe arthritis in their hip and shoulder joints, according to a study presented at the annual meeting of the Radiological Society of North America (RSNA). Researchers said the procedure could help reduce reliance on addictive opiates. (2020-11-16)

New source of lymphatic system leak discovered in children with rare open heart surgery complication
Interventional radiologists with Nemours Children's Health System have identified a new source of abnormal lymphatic flow between the liver and the lungs that may be responsible for some cases of plastic bronchitis. Plastic bronchitis is a rare but serious late complication in patients with congenital heart disease who had Fontan surgery. A report detailing the discovery of this fluid leak, and successful treatment of two cases was published in European Heart Journal. (2020-11-11)

Tomosynthesis with synthetic mammography improves breast cancer detection
Digital breast tomosynthesis (DBT), in combination with synthetic mammography, improves cancer detection over digital mammography alone, according to a new study. The study results add further support to the use of DBT in population-based breast cancer screening programs. (2020-11-10)

AI tool improves breast cancer detection on mammography
Artificial intelligence (AI) can enhance the performance of radiologists in reading breast cancer screening mammograms, according to a new study. (2020-11-04)

Data science pathway prepares radiology residents for machine learning
A recently developed data science pathway for fourth-year radiology residents will help prepare the next generation of radiologists to lead the way into the era of artificial intelligence and machine learning (AI-ML), according to a special report. (2020-11-04)

Review finds almost 20% of COVID-19 patients only show gastrointestinal symptoms
Almost one in five patients with COVID-19 may only show gastrointestinal symptoms, according to a review of academic studies published in the journal Abdominal Radiology. The findings of the review suggest abdominal radiologists need to remain vigilant during the pandemic while imaging patients. (2020-11-03)

AI helps detect brain aneurysms on CT angiography
A powerful type of artificial intelligence known as deep learning can help physicians detect potentially life-threatening cerebral aneurysms on CT angiography, according to a new study. (2020-11-03)

Children with asymptomatic brain bleeds as newborns show normal brain development at age 2
A study by UNC researchers finds that neurodevelopmental scores and gray matter volumes at age two years did not differ between children who had MRI-confirmed asymptomatic subdural hemorrhages when they were neonates, compared to children with no history of subdural hemorrhage. (2020-10-30)

Cardiac MRI contrast agents carry low risk of adverse events
Contrast agents used to improve views of the heart on MRI carry a very low risk of allergic reactions, vomiting and other acute adverse events, according to a large new study. The findings come three years after the European Union enacted new regulations on the contrast agents. (2020-10-29)

Scientists engineer new cancer immunotherapy to train immune system in cancer fight
A groundbreaking new type of cancer immunotherapy developed at the Icahn School of Medicine at Mount Sinai trains the innate immune system to help it eliminate tumor cells through the use of nanobiologics, tiny materials bioengineered from natural molecules that are paired with a therapeutic component, according to a study published in Cell in October. (2020-10-29)

JNIS: brain-computer allows patients with severe paralysis to text, email, bank
Researchers demonstrated the success of a fully implantable wireless medical device, the Stentrode™ brain-computer interface (BCI), designed to allow patients with severe paralysis to resume daily tasks -- including texting, emailing, shopping and banking online -- without the need for open brain surgery. The first-in-human study was published in the (i>Journal of NeuroInterventional Surgery™, the leading international peer-reviewed journal for the clinical field of neurointerventional surgery. (2020-10-28)

'Fast' MRI detects breast cancers that 3-D mammograms may miss
In a retrospective study of asymptomatic patients, all of whom had a negative 3-D mammogram within the previous 11 months, abbreviated MRI detected roughly 27 cancers per 1,000 women screened. (2020-10-27)

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