Current Radiofrequency Ablation News and Events

Current Radiofrequency Ablation News and Events, Radiofrequency Ablation News Articles.
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Understanding heart disease, stroke in women remains a scientific research priority
The February 2021 issue of Circulation, published online today, features new clinical trial research, state of the art reviews and scientific perspectives exploring the unique challenges women face in their fight against heart disease and stroke. The journal received more than 100 manuscripts for consideration this year, the most ever in the five years the current editorial board has published a special Go Red for Women issue. (2021-02-16)

Ionic liquid uniformly delivers chemotherapy to tumors while destroying cancerous tissue
A Mayo Clinic team, led by Rahmi Oklu, M.D., Ph.D., a vascular and interventional radiologist at Mayo Clinic, in collaboration with Samir Mitragotri, Ph.D., of Harvard University, report the development of a new ionic liquid formulation that killed cancer cells and allowed uniform distribution of a chemotherapy drug into liver tumors and other solid tumors in the lab. This discovery could solve a problem that has long plagued drug delivery to tumors. (2021-02-11)

Texas Heart Institute develops breakthrough heart ablation evaluation system
The Texas Heart Institute (THI) has announced that a research team led by Dr. Mehdi Razavi, Director of Electrophysiology Clinical Research & Innovations, has developed a breakthrough new ex vivo benchtop system for evaluating the effects of ablation systems on excised tissues and assessing potential damage to collateral heart tissues. The unique system allows for fast and easy benchtop assessments rather than using costly in vivo tests. Critical findings associated with this innovation are outlined in a study published in the Journal of Cardiovascular Physiology. (2021-02-09)

MRI frequently underestimates tumor size in prostate cancer
Improving imaging processes will lead to more successful treatments and help reduce morbidity in men with the disease. (2021-01-07)

Scientists discover compounds that could have helped to start life on Earth
Scientists from St Petersburg University and Ben-Gurion University of the Negev have discovered natural cyclophosphates. These are possible precursors of phosphorus-containing molecules that are believed to have contributed to the emergence of primordial life on Earth. Cyclophosphates could have been formed billions of years ago in regions of elevated geothermal activity or during meteorite bombardments of the Earth. (2020-12-14)

Researchers discover treatment that suppresses liver cancer
Researchers from the University of Missouri School of Medicine have discovered a treatment combination that significantly reduces tumor growth and extends the life span of mice with liver cancer. This discovery provides a potentially new therapeutic approach to treating one of the leading causes of cancer-related death worldwide. (2020-12-08)

Astrocytes improve decision-making
A study led by researchers from the Cajal Institute of the Spanish Research Council (CSIC) has demonstrated the relevance of the astrocytes (a cell type present in the Nervous System) in the decision-making process. Data published in Nature Neuroscience journal, indicate that these glial cells favor those decisions with higher etiological value for individuals. (2020-12-07)

Adaptive Image Receive (AIR) coil from GE shows promise for whole-brain imaging
According to an article in ARRS' American Journal of Roentgenology (AJR), a prototype 16-channel head Adaptive Image Receive (AIR) radiofrequency coil from GE Healthcare outperformed a conventional 8-channel head coil for in vivo whole-brain imaging, though it did not perform as well as a conventional 32-channel head coil. (2020-12-03)

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)

Implantable device can monitor and treat heart disease
Cunjiang Yu, Bill D. Cook Associate Professor of Mechanical Engineering at UH, led a group of researchers that has reported developing a cardiac patch made from fully rubbery electronics that can be placed directly on the heart to collect electrophysiological activity, temperature, heartbeat and other indicators, all at the same time. (2020-11-03)

Shot of alcohol can help an irregular heartbeat
Research out in this week's issue of JAMA confirms the success of a treatment for persistent atrial fibrillation (AFib) that combines the standard treatment, catheter ablation, with a separate infusion of ethanol, or alcohol, to the vein of Marshall. (2020-10-28)

Not all cats are grey in the dark!
Using two mode-locked femtosecond lasers and a single photon counting detector, scientists have recorded broad spectra with close to one hundred thousand colors in almost complete darkness. (2020-10-23)

Oncotarget: quantitative ultrasound radiomics in prediction of treatment response for breast cancer
The cover for Issue 42 of Oncotarget features Figure 4, ''Generation of parametric and texture maps from radiofrequency data,'' recently published in ''Quantitative ultrasound radiomics using texture derivatives in prediction of treatment response to neo-adjuvant chemotherapy for locally advanced breast cancer'' by Dasgupta, et al. which reported that to investigate quantitative ultrasound based higher-order texture derivatives in predicting the response to neoadjuvant chemotherapy in patients with locally advanced breast cancer. (2020-10-21)

"Game-changing" procedure shown to discontinue insulin treatment in type 2 diabetics
The study found that 75% of previously insulin-dependent people with type 2 diabetes treated with the ablation technique did not need insulin six months later, with HbA1c readings of 7.5% or below. Patients who responded to the treatment also saw significant reductions in their body mass index (BMI). (2020-10-12)

Light stimulation makes bones heavier
Tokyo Medical and Dental University (TMDU) researchers showed that laser ablation of bone inhibits expression of the osteogenesis inhibitor protein sclerostin without causing inflammation, unlike the conventional bur-drilling technique. Further investigations confirmed that this beneficial bio-stimulation works by inducing mechanical stress. These findings help advance research into the treatment of osteoporosis as well as specific enhancement of bone regrowth in orthopedic and dental surgery. (2020-10-08)

Catheter ablation linked to reduced risk of dementia in patients with atrial fibrillation
People with atrial fibrillation have a reduced risk of dementia if they undergo a procedure called catheter ablation to restore the normal rhythm of their heart, according to a new study published in the European Heart Journal that analyses over 27,000 patients with newly diagnosed atrial fibrillation out of a population of nearly a million people. (2020-10-06)

Novel laser-thermal mechanism realizes ultra-fast construction of PDMS devices
Novel laser-thermal mechanism realizes ultra-fast construction of PDMS devices. (2020-10-04)

Early treatment for leg ulcers leads to better outcomes for patients
Early surgical treatment of leg ulcers caused by varicose veins improves healing and reduces the risk of the condition coming back, according to a new study. (2020-09-23)

Immunotherapy: Enhancing the therapeutic effectiveness of photothermal cancer treatments
Immune checkpoint blockade is the most promising therapy mode of cancer immunotherapy. But the therapeutic efficiency remains low mainly due to immunosuppression. Near-infrared light can be used to stimulate black phosphorus to produce heat, which can then be a specific immunological stimulator for reversing immunosuppressive tumor microenvironment. The light-induced black phosphorus (BP) nanosystem,combined with anti-CD47 antibody offers significant synergistic antitumor effect and activates local and systemic anti-tumor immunity. (2020-09-15)

Innovative, minimally invasive treatment can help maintain prostate cancer patients' quality of life
Focal HIFU ablation is an effective treatment for prostate cancer while maintaining continence and sexual function, as well as improving recovery time. (2020-09-08)

High-intensity focused ultrasound for prostate cancer: First US study shows promising outcomes
High-intensity focused ultrasound (HIFU) - a technology used to treat localized prostate cancer - has shown adequate control of prostate cancer while avoiding major side effects of surgery or radiation therapy, according to a new study in the Journal of Urology®, Official Journal of the American Urological Association (AUA). The journal is published in the Lippincott portfolio by Wolters Kluwer. (2020-09-08)

New surgical tools with smart sensors can advance cardiac surgery and therapy
Researchers developed a new class of medical instruments equipped with an advanced soft electronics system that could dramatically improve the diagnoses and treatments of a number of cardiac diseases and conditions. (2020-09-07)

Early rhythm control therapy improves outcomes in patients with atrial fibrillation
Patients with newly diagnosed atrial fibrillation benefit from early rhythm control therapy, according to results of the EAST-AFNET 4 trial presented in a Hot Line session today at ESC Congress 2020. (2020-08-31)

Magnesium alloy with eddy-thermal effect for novel tumor magnetic hyperthermia therapy
Magnetic hyperthermia therapy (MHT) as a noninvasive local treatment strategy is able to ablate tumors. There is still a demand to find new magnetocaloric agents with strong AMF-induced heating performance and excellent biocompatibility. The eddy thermal effect of magnesium alloy (MgA) could be employed for MHT to effectively ablate tumors was reported by scientists based in China. Considering the wide clinical use of implantable MgA devices, such a strategy holds great promise in clinical translation. (2020-08-10)

New Zealand's Southern Alps glacier melt has doubled
Glaciers in the Southern Alps of New Zealand have lost more ice mass since pre-industrial times than remains today, according to a new study led by the University of Leeds. The study mapped Southern Alps ice loss from the end of the Little Ice Age -- roughly 400 years ago -- to 2019. It found that relative to recent decades, the Southern Alps lost up to 77% of their total Little Ice Age glacier volume. (2020-08-07)

Scientists suggest device to make breast MRI more effective
Magnetic resonance imaging is becoming increasingly popular as a method of diagnosing diseases. Standard scanners are multifunctional, making it possible to cut down on the costs of specialized equipment. On the other hand, this leads to images of lower quality, especially when relatively small areas need to be examined. A group of Russian scientists, including ITMO University researchers, has proposed a system that can be used to update existing MRI scanners. It will allow conducting breast MRI using standard scanners without specialized equipment. (2020-08-04)

Arrhythmia-free survival is indeed survival of the fittest
In a new study, investigators report that patients undergoing atrial fibrillation (AF) ablation, who are physically fit before the procedure, have a much higher chance of benefiting from the procedure and remaining in normal sinus rhythm. Less fit patients are rehospitalized more often, continue to use antiarrhythmic therapies longer, and have higher death rates than fitter patients. Their results appear in Heart Rhythm. (2020-08-03)

Minimally invasive percutaneous treatment for osteoid osteoma of the spine
Osteoid osteomas are benign but painful bone-forming tumors usually involving long bones, with localization at the spine in 10-20% of the cases. In the last years, percutaneous radiofrequency ablation has been proposed as a new mini-invasive technique for the treatment of osteoid osteomas. (2020-07-31)

WashU-developed holograms help physicians during cardiac procedure
A holographic display developed by WashU researchers improves physician accuracy when performing a procedure to treat irregular heartbeat. (2020-07-21)

No association found between exposure to mobile devices and brain volume alterations in adolescents
New study of 2,500 Dutch children is the first to explore the relationship between brain volume and different doses of radiofrequency electromagnetic fields (2020-07-09)

Spectroscopy approach poised to improve treatment for serious heart arrhythmia
Researchers have demonstrated that a new mapping approach based on near infrared spectroscopy can distinguish between fat and muscle tissue in the heart. This distinction is critical when using radiofrequency ablation to treat a serious heart rhythm problem known as ventricular tachycardia. (2020-07-08)

5G networks have few health impacts, Oregon State study using zebrafish model finds
Findings from an Oregon State University study into the effects of radiofrequency radiation generated by the wireless technology that will soon be the standard for cell phones suggest few health impacts. (2020-07-08)

Novel function of platelets in tumor blood vessels found
Scientists at Uppsala University have discovered a hitherto unknown function of blood platelets in cancer. In mouse models, these platelets have proved to help preserve the vascular barrier which makes blood-vessel walls selectively impermeable, thereby reducing the spread of tumour cells to other parts of the body. The study is published in the journal Cancer Research. (2020-06-25)

PCR State-of-the-art lecture on 'The resurgence of renal denervation'
Renal denervation (RDN) represents a device-based hypertension treatment intended to lower sympathetic activity. Only a few years ago, RDN was written off as ineffective after results of the sham-controlled SYMPLICITY HTN-3 trial failed to confirm early trials' reports of significant BP reductions in patients resistant to guideline- based combination drug therapy. (2020-06-25)

Study demonstrates feasibility of hologram technology in liver tumor ablation
Data from one of the first clinical uses of augmented reality guidance with electromagnetically tracked tools shows that the technology may help doctors quickly, safely, and accurately deliver targeted liver cancer treatments, according to a research abstract presented during a virtual session of the Society of Interventional Radiology's 2020 Annual Scientific Meeting on June 14. (2020-06-15)

Retinitis pigmentosa research probes role of the enzyme DHDDS in this genetic disease
Researchers who made a knock-in mouse-model of the genetic disorder retinitis pigmentosa 59, or RP59, expected to see retinal degeneration and retinal thinning. As reported in the journal Cells, they surprisingly found none, calling into question the commonly accepted -- though never proved -- mechanism for RP59. (2020-06-11)

New procedure 'rewires' the heart to prevent recurrent fainting spells
A procedure conducted for the first time in the United States at University of Chicago Medicine has provided much-needed relief for a patient who suffered from recurrent fainting spells. Called cardioneural ablation, the procedure essentially rewired the heart to treat the recurring sudden drops in heart rate and blood pressure that had been causing the 52-year-old woman to faint at least once every two months for most of her life. (2020-06-10)

Research reveals insights into bioprinted skeletal muscle tissue models
SUTD collaborates with NTU to provide in-depth analysis of 3D in vitro biomimetic skeletal muscle tissue models, highlighting the great potential of bioprinting technology. (2020-06-09)

Ultrafast optical response and ablation mechanisms of molybdenum disulfide
Most studies on the electron dynamics of molybdenum disulfide examined levels below the damage threshold. Scientists in China recently investigated the electron dynamics of MoS2 under intense ultrafast laser irradiation. A theoretical model and pump-probe technique were developed to analyse the ablation mechanism of MoS2. Two distinct phase transitions in the ablation process were identified. These results provide new avenues for understanding the processing and applications of MoS2 and other transitional metal dichalcogenides. (2020-05-26)

AHA statement: Pregnant women with CVD need specialized care before, during and postpartum
Women with cardiovascular disease should receive pre-pregnancy counseling and be monitored during and after pregnancy by either a cardio-obstetrics team or a multidisciplinary team of health care providers with experience in high-risk pregnancies. Cardiovascular disease is the leading cause of death during pregnancy and is slowly increasing, possibly because women are having children at older ages and/or have other preexisting conditions. (2020-05-04)

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