Tag: "radiofrequency" at medical news

Study proves catheter ablation safe for patients

...rves in patients undergoing catheter ablation with radiofrequency energy. It was determined that no significant injury occurs to cardiac nerves as a result of ablation, and changes in heart rate during the procedure are transitory and are related primarily to medications and other procedural variables. Catheter ...

Outpatient lung cancer procedure promising for inoperable disease

...r surgery have a new alternative with image-guided radiofrequency ablation (RFA), a safe and effective office-based ...FA uses a specially designed needle connected to a radiofrequency generator that delivers electrical current to ablate, or "cook," tumors. Computed tomography (CT) o...

Minimally invasive surgery for heart rhythm abnormality proven effective

...ng and killing a thin band of tissue. This bipolar radiofrequency variation of the Cox maze procedure creates scar tissues that similarly block abnormal impulses responsible for atrial fibrillation. Damiano's team replaced most of the Cox maze incisions with lesions created using the new, less invasive approach in...

Barbed sutures, wrinkle fillers give patients more innovative, non-surgical options

...ejuvenation without invasive surgery. A non-laser, radiofrequency device that heats the lower layers of the skin, ThermaCool may tighten the skin and improve skin texture. In addition, it may dramatically improve the skin of patients with acute cystic acne. According to a study presented at Plastic Surgery 2004, p...

New research in atrial fibrillation

..., catheters (thin tubes) are put in the heart, and radiofrequency energy is used to isolate the area that causes the fibrillation. "In patients who have simple AF -- that is, there is no other heart disease -- this technique is very effective. At the end of one year, 60 to 80 percent of patients are cured; they hav...

Special incubators allow high-quality imaging of critically ill newborns

...temperature and humidity regulation and integrated radiofrequency coils. Image quality was superior to images obtained with standard MR equipment. No complications were encountered, vital signs remained normal, and there was little axillary temperature fluctuation. The customized small coils used with the MR-compat...

MRI 'excellent choice' for evaluating causes of abdominal and pelvic pain in pregnant women

...and CT scans, MRI uses a strong magnetic field and radiofrequency pulses to produce images. Ionizing radiation is a known carcinogen, whereas magnetic fields and radiofrequency pulses are not associated with cancer or fetal malformations," said Katherine R. Birchard, MD, of th...

Novel MRI technique provides clear images of blood flow

... the researchers rotated the scanner, adjusted the radiofrequency of the scanner and developed a complex new way of capturing the images. "As the blood cell flows through the plane, it is excited by the MRI," Judd explained. "While the next cell is also excited when it flows through, the first cell still gives off ...

Minimally invasive breast cancer treatment shows promise

OAK BROOK, Ill. - A pilot study using radiofrequency (RF) ablation to treat small breast cancers has found the procedure feasible and safe, according to an article appearing in the April issue of the journal Radiology. "This study has added another potential weapon to the breast cancer treatment arse...

Mount Sinai to offer NearVision CK

...among refractive procedures. CK uses leading-edge radiofrequency energy, instead of a laser or scalpel, to restore near vision without cutting or removing corneal tissue. In a three-minute procedure using topical (eye drop) anesthesia, CK uses a probe thinner than a strand of human hair to apply radio waves in...

Detection at a distance for more sensitive MRI

...ain the spin-down state. In the encoding phase, a radiofrequency (RF) pulse matched to the energy difference betwee...zation of each batch of spins formed by a train of radiofrequency pulses is measured, which yields the spatial characteristics of the sample. Many factors affect the...

Procedure cures atrial fibrillation

...ial fibrillation patients using a technique called radiofrequency catheter ablation. The reports show that more than... heart muscle by delivering tiny bursts of intense radiofrequency waves to the areas of disorganized electrical activity. The radio wave "zap" heats the target areas ...

Largest study to date finds radiofrequency ablation is best treatment for benign bone tumor

...nically successful outcome. "This study shows that radiofrequency ablation can be performed as an outpatient procedure on the great majority of patients with osteoid osteoma," Dr. Rosenthal said. "The success rate is high, the complication rate low, and the recovery brief."...

New procedure kills liver tumors without surgery

...s liver. So simple is the new procedure -- called radiofrequency ablation (RFA) -- that Harris says he will have it...between recoveries is like night and day." Called radiofrequency ablation because it uses radio wave energy to heat the tumor and "ablate," or destroy it, the proced...

CWRU/University Hospitals of Cleveland researchers investigate new cancer treatment

...aaga originally conceived the concept of combining radiofrequency ablation with polymer/chemical implantation. The r... to compare this new method to single treatment by radiofrequency ablation, a minimally invasive procedure in which a needle electrode is inserted through the skin an...

UCSF, UC Davis establish joint pediatric heart center

...trophysiology, they abolish rhythm disorders using radiofrequency ablation catheters. This partnership holds great promise in broadening our continuing efforts to translate research discoveries into the best and most effective treatments for congenital heart disease, Karl said. Also, for surgical and pediatric res...

Cure For Abnormal Heart Rhythm Available To More People

...American Heart Association. The treatment, radiofrequency ablation, is needed because, in themajority of individuals, drugs are ineffective in controlling the seriousirregular heart rhythms called atrial tachycardia. While not immediatelydangerous to most patients, this abnormal rhythm imposes an extra bur...

New Cancer Procedure At Wake Forest University Baptist Medical Center Offers Hope

...bliterate the tumor. "The tip of the needle emits radiofrequency energy, akin to microwave energy,and the tissue around the needle tip is destroyed," said Ronald Zagoria, M.D.,professor of radiologic sciences. "This technique is mostly being used forpatients with known liver cancers, patients who don't want or can...

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