Tag: "catheter" at biology news

Diamonds are a urologist's best friend

...g bacteria from entering the urinary tract via the catheter and thereby triggering urinary tract infection,' t...easant the presence and even more the removal of a catheter which is thus coated with a hard crust must be for the patient,' Dr. Laube adds. To make matters wor...

Isotron licenses ORNL cancer treatment technology

...ws physicians to insert the radioisotope through a catheter directly to the tumor site. Researchers at Isotron and in ORNL's Nuclear Science & Technology Division reduced the diameter of the source -- the wire that contains the radioisotope -- by more than half from the previous standard of about 2.8 millimet...

New system reduces risk of burns during interventional X-rays

...ures. "It can take a long time to insert a catheter into the brain and perform a complicated endovascular treatment, for example," explained Bednarek, also an adjunct professor in the Department of Physics in UB's College of Arts and Sciences. "Patients undergoing such procedures sometimes develop ery...

UCLA researchers detail the evolution of quantum dot imaging in the journal Science

...ough the tissue or by inserting into the patient a catheter carrying an optical fiber that would be guided using PET scanning directly to the tumor, allowing for detection and a real-time optical biopsy. This procedure could result in a diagnosis without tissue removal and analysis because of the selective re...

Rush physicians using gene therapy for heart patients with moderate to severe chest pains

...en damaged from insufficient blood flow. Once the catheter reaches the targeted site inside of the heart, the...to receive the gene administered through a cardiac catheter threaded into the heart from a leg artery or a placebo delivered using the same method. As required...

Heart Center cardiologist performs rare liver catheter intervention on teen

...condition in a 14-year-old male. The doctor used a catheter and septal occluder device that is generally used to close holes in children's hearts. Similar procedures have been reported only six times in medical literature. But this is the first time the procedure has been performed with this particular devic...

Urine helps infectious yeast stick

...h might explain the organism's propensity to cause catheter infections. "We don't know whether niacin supplements might help prevent these catheter infections, or whether the plastic could be treated somehow to reduce the organism's ability to bind...

New studies released at the Heart Rhythm Society's Annual Meeting

...ces in statins, cardiac resynchronization therapy, catheter ablation, cardiac pacing and heart failure, and the latest technology including state-of-the-art pacemakers and defibrillators. Study highlights include obesity's contribution to risk of sudden cardiac death, electrophysiological characteris...

NC woman is now insulin-free after series of three islet cell transplants

...lex purification process. Physicians then insert a catheter into the patient's abdomen, and using x-ray guidan...ceives local anesthesia to numb the skin where the catheter is inserted. Most patients stay in the recovery area for a few hours, and are able to go home within...

Ethanol treatment may be instrumental in fighting IV-based infections

... medical-grade ethanol. "We fill each lumen of the catheter with the ethanol solution and then cap it off," sa...the ethanol wouldn't interact unfavorably with the catheter materials - either polyurethane or silicone - and damage them. He turned to Crone, an expert in the ...

Wanted: Companies to license life-saving breath test developed at NJIT

... well as invasive. The cardiologist must insert a catheter into a vein in the neck, pass it down into the heart, cut several samples from the inner surface of the new heart, and remove them through the catheter. A pathologist then examines these samples under a microscope for signs of rejection. But using th...

Canadian-led study shows amnioinfusion does not reduce risk of meconium aspiration syndrome

...nique involves infusing saline, via insertion of a catheter in the uterine cervix, into the amniotic cavity of women in labour who show heavy meconium. Amnioinfusion is intended to reduce the risk of MAS by diluting the meconium. Women were eligible for this randomized trial, after the fetal membranes ruptur...

University of Kentucky awarded $6 million for GDNF and related research

...ts who had undergone surgery to implant a pump and catheter in their brains, and had been receiving GDNF successfully for as long as two years. Court cases in Kentucky and New York have been dismissed and appeals are being considered. While distinctly troubled by the plight of patients caught in the crossfire...

Neurologix announces positive results of gene therapy clinical trial in Parkinson's disease

... of the brain) infusion of AAV-GAD via a hair-thin catheter into the subthalamic nucleus (STN), a deep brain s...After the 100-minute infusion period, the delivery catheter was withdrawn and the incision closed. No hardware was left behind following this procedure, and al...

Cytori demonstrates adipose stem cells improve cardiac function in preclinical heart attack model

...ells (treated) or a saline injection (control) via catheter into the artery at the site of the heart attack. After eight weeks, there was a statistically significant reduction in the perfusion defect, which is the area of the heart deprived of oxygen as a result of the infarct. A corresponding benefit was obs...

Radical approach to cardiac resynchronization shows promise

...se hearts are about the size of a human's. Using a catheter inserted through the pig's jugular vein, he implan...the heart and attempted to leave something--like a catheter or pacing lead--behind. "Cardiac puncture normally is considered a major complication," Mickelsen ex...

Bone marrow stem cells may heal hearts even years after heart attacks

... stem cells from the marrow were infused through a catheter into the coronary artery where the patient's heart attack occurred. "The main results were at least threefold: an improvement in global left ventricular function by 15 percent, infarction wall movement velocity rose 57 percent, and there was a signif...

Carnegie Mellon develops non-invasive technique to detect transplant rejection at cellular level

...s are invasive procedures that involve threading a catheter through the jugular vein to the heart's right ventricle and snipping out several tiny pieces of tissue. A pathologist then tests the tissue to identify the presence of immune cells (such as macrophages) as well as other pathological changes in the tr...

Study demonstrates rapid diagnosis of urinary tract infections with biosensor technology

...on hospital admissions per year. In the hospital, catheter associated urinary tract infection accounts for 40 percent of all in-hospital acquired infections -- more than 1 million cases each year. The total cost of urinary tract infections to the United States health care system in 2000 was approximately 3.5...

Biosense Webster receives FDA approval for technology to treat patients with heart rhythm disease

...blation is a non-surgical procedure during which a catheter delivers energy to damaged heart tissue to restore...at treat the heart's electrical system) to steer a catheter remotely, map the electrical activity of the heart, and ablate targeted areas that require treatment...

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(Date:7/29/2014)... Swimming microorganisms, such as bacteria and spermatozoa, are subjected ... forces exerted by the surrounding fluid. Such low-level ... found that the direction of propulsion made possible by ... viscoelastic fluid. These findings have been published in ... Energies and Atomic Energy Commission (CEA), in Le Barp, ...
(Date:7/29/2014)... Northern Territories in Canada and have sent smoke drifting ... on. NASA,s Aqua satellite collected this natural-color image ... July 26, 2014. Actively burning areas, detected by MODIS,s ... smoke are drifting northward in this image. Smoke ... Fire has caused power outages in the area and ...
(Date:7/29/2014)... New research from scientists at the University of Kent ... inside cells are regulated a breakthrough that could ... A team from Kent,s School of Biosciences uncovered the ... within cells known as actin filaments are ... these actin filaments appear to completely stable, providing a ...
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