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Ablation in Biological News

Society of Interventional Radiology Foundation awards $191,000 in grants

... Underlying Local Inflammation and Treatment Response Following Thermal ablation of Tumors"; and Weibin Shi, University of Virginia School of Medicine, ... and Christina Ma, "Evaluation of 18F-FDG PET/CT in Monitoring Tumor ablation Efficacy of Irreversible Electroporation (IRE) on Rabbit VX2 Liver Tumor," ...

Sulphur in just one hair could blow a terrorist's alibi

... travel from one country to another, and the technique is able to detect these small variations. "The new method is based on combining a laser ablation system and multicollector inductively-coupled plasma mass spectrometry (abbreviated to LA-MC-ICP-MS)", Rebeca Santamara-Fernndez of LGC, lead author ...

Freezing kidney cancer: Hot treatment should be new gold standard for destroying small tumors

... for all patients whose tumors are 4 centimeters or smaller. It should be a viable option for patients whose cancer is even larger than that. And, ablation (or freezing) is a very effective option for patients who cannot or do not want to have surgery," noted Georgiades. Cryoablation's efficacy ratethe ...

Metastatic bone disease patients can walk in Lazarus' footsteps

... reported in the United States. In treating cancer patients with painful bone metastases, interventional radiologists may also use radiofrequency ablation (RFA) or cryoablation. These treatments use heat or cold to desensitize the bone by killing the nerve endings in the vicinity of the metastasis. Once ...

Researchers identify gene linked to aggressive progression of liver cancer

... most common cancer and the third leading cause of cancer deaths in the world. Treatment options for HCC include chemotherapy, chemoembolization, ablation and proton-beam therapy. Liver transplantation offers the best chance for a cure in patients with small tumors and significant associated liver ...

July 2008 GEOLOGY and GSA Today media highlights

... ages of sand grains within the sandstones, so as to provide evidence for the sources of sediment in the adjoining continents. This method uses laser ablation to release uranium and lead atoms from grains of the mineral zircon, extracted from the sandstones, and a multicollector inductively coupled-mass ...

AGU Journal Highlights -- March 19, 2008

... in the ocean, the authors analyze a four-year record from a coral sample collected from the Gulf of Panam where deep waters upwell. Using a laser ablation technique, they found that the ratio of phosphorus to calcium within the coral skeleton tracks the ratio of strontium to calcium. Because high ...

Improved foam for varicose veins found to be safe in preliminary results from phase II trial

... foam injection procedure is a less invasive alternative to surgical techniques and intravenous techniques that close the vein with radiofrequency ablation or laser energy. Although any air-based foam carries a theoretical risk to the patient because of the insolubility of air in the blood, the risk is ...

Biophysical Society announces winners of 2008 Student Travel Awards

... Research, Mumbai, India, Kinetics of Misfolding and Aggregation of Amyloid Proteins. Sarah B. Scruggs, University of Illinois at Chicago, ablation of Ventricular Regulatory Light Chain Serine-15 Phosphorylation in Mice Leads to Cardiac Dysfunction in Vivo and Affects Neighboring Myofilament ...

New insights into how lasers cut flesh

... water than skin or other kinds of tissue, according to the researcher. Now that we have a better sense of how tissue properties affect the laser ablation process, we can do a better job of predicting how the laser will work with new types of tissue, says Hutson. ...

Presence of gene mutation helps guide thyroid cancer treatment

... to avoid the possibility of metastasis following surgery. BRAF V600E testing could also be useful for deciding between low- or high-dose radioiodine ablation therapy. Advances in molecular biology techniques have improved our understanding of the genetic changes in cells that lead to the formation of ...

Surgeons develop simpler way to cure atrial fibrillation

... In the older Cox-maze III procedure, the lines of ablation were made by cutting the heart muscle, sewing the ... back together and letting a scar form. The ablation lines redirect the abnormal electrical currents ... on new technology and helped develop an effective ablation device that simplifies the procedure. Not only is ...

Cryoablation -- A new treatment option for some kidney tumor patients

... small subset of patients. Percutaneous ablation uses needles to penetrate the skin and deliver ... the most experienced in the world in performing ablation techniques, and have treated nearly 300 kidney tumors either with radiofrequency ablation or cryoablation. ...

Combined treatment extends life expectancy for lung cancer patients

... Combining thermal ablation with radiation therapy extends average life ... after radiation alone to 42 months when thermal ablation was followed by radiation for treatment of ... both in Providence, RI. "By combining thermal ablation and radiation, you have a better chance of ...

Minimally Invasive Cancer Treatments Highlighted

... liver cancer. Studies of note: ?Radiofrequency ablation (RFA) is as effective as surgery to treat single ... extremely good, with 3 and 5 year survival after ablation of 65% and 43% respectively. (Author, Gillams) ... assessing the combination of radiofrequency ablation and cementoplasty (reinforcing load-bearing bone ...

Duke engineers develop new 3-D cardiac imaging probe

... it impractical for use in guiding therapeutic treatment devices such as ablation probes that burn off damaged cells that cause an irregular heart beat. ... high-contrast images of the whole heart and position heart catheters and ablation devices at the same time. We have already done so in laboratory tests on ...

Study shows isolation of stem cells may lead to a treatment for hearing loss

... cells and restore normal hearing. The team has already begun animal studies to explore the use of cochlear stem cells in well-established hair cell ablation models and in deaf mouse mutants with predictable patterns of early hair cell loss. This line of research will evaluate the in vivo survival and ...

Two nerve cells in direct contact

... remained: which of the two is the crucial one? The Max Planck scientists therefore blocked the two possible routes selectively with laser ablation (the cell is filled with fluorescent dye which has a toxic effect when strongly stimulated) and tested sensitivity to rotation in the H2 cell. A long ...

The appearance of your hands can reveal your age, study finds

... laser treatments and chemical peels can reduce age spots. Fat injections can be used to plump up hands and reduce the visibility of veins and laser ablation of unwanted hand veins can reduce veins." ...

New GI technologies improve internal organ visualization

... puncture of the cardiac walls and injection of contrast to help visualize the tissues showed no complications, nor did the angiography or thermal ablation procedures. EUS-guided fine-needle aspiration, or removal of heart tissue for examination, was conducted in the two human patients, also showing no ...

UC Davis researchers move biotechnology closer to replacing electronic pacemakers

... including average heart rates of about 70 to 80 beats per minute, are similar to humans. In the current study, researchers used radiofrequency ablation to remove the SA nodes in pigs' hearts. This is the same minimally invasive technique cardiologists use in clinics to destroy the heart cells that ...

Cycles of cell death, proliferation key to liver cancer

... codes for the major isoform of JNK in liver cells, JNK1, prevented the development of liver cancer and reversed the tumor-enhancing effect caused by ablation of IKKƒÒ. "We found that long-term JNK activation leads to cell death; if activated briefly, it stimulates proliferation of pre-malignant and ...

Rare Tibetan antelope listed as endangered

... without anesthesia," Smith said. "That would be a big step forward." The 3D ultrasound probes also might help guide physicians during cardiac ablation therapy, he added. In such procedures, cardiologists use catheters to burn specific locations on the surface of the heart in patients with atrial ...

3D ultrasound device poised to advance minimally invasive surgery

... without anesthesia," Smith said. "That would be a big step forward." The 3D ultrasound probes also might help guide physicians during cardiac ablation therapy, he added. In such procedures, cardiologists use catheters to burn specific locations on the surface of the heart in patients with atrial ...
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