Tag: "contrast" at medical news

MRI contrast agent can detect heart attack in the making

...er it nontoxic. The gadolinium, long used in blood contrast agents, allows the cholesterol to stand out in an ...ed no enhancement of imaging. The effects of the contrast agent provided a viewing window of up to 48 hours. In addition, the strength of the signal correlate...

EVEREST data on use of tolvaptan published in JAMA and featured at ACC

...s treated with diuretics to excrete the fluid. In contrast to diuretics, tolvaptan is designed to promote aquaresis, the excretion of electrolyte-free water. Otsuka Pharmaceutical Co., Ltd. (Japan) and Otsuka Pharmaceutical Development & Commercialization, Inc., are developing tolvaptan, which has the poten...

Treatment of in-hospital cardiac patients is focus of Jefferson University presentations

... 2004 and 2005, the researchers determined that in contrast to recent studies, there is no significant relationship between outpatient heart failure medications and anemia. Patients in the study were taking many varieties of prescription medications to control their heart failure condition. They included A...

Rapid response was crucial to containing the 1918 flu pandemic

...Philadelphia, the worst-hit city in the survey. In contrast to St. Louis, Philadelphia imposed bans on public gatherings more than two weeks after the first infections were reported. City officials even allowed a city-wide parade to take place prior to imposing their bans. If St. Louis had waited another w...

Eye diseases gave great painters different vision of their work, Stanford ophthalmologist says

...ffered, Marmor said, he knows that the shading and contrast of images becomes less defined and blurriness increases as such illness progresses. "Friends would ask Degas, 'Why are you still painting?'" Marmor wrote in his December paper. "His works in the 1870s were drawn quite precisely with facial detail, ...

MS drug helps reduce vision loss

...eived placebo. Researchers used eye charts of low contrast letters to test the vision of the participants every 12 weeks. The study found vision loss, defined as a worsening in score by two rows of letters on the eye chart, was reduced by as much as 47 percent among people taking natalizumab compared to th...

Web-based asthma program dramatically improves disease management for low-income black students

...3 days of restrictive activity every two weeks, in contrast to the control group at 2.3. According to the authors, the need for such an educational program is evidenced by the growing rate of asthma in African-Americans between the ages of 15 to 24. From 1997 to 2001, these teenagers developed asthma at a r...

Cause of gender differences in blood pressure, kidney damage under study

...dney health - in females," Dr. Sullivan says. In contrast is the powerful constrictor of blood vessels, angiotensin 2. In the outer most part of their kidneys, males have a lot of the AT1 receptors that enables angiotensin 2 to do harm. "It's a vasoconstrictor when it binds with AT1," she says. "It will cau...

HCV patients survival after liver transplantation is not improving

...mprovement in survival during the study period, in contrast to the latter group. "In summary, the survival of patients transplanted with HCV is significantly lower than those without HCV," the authors report. "There has been a statistically significant improvement in patient and graft survival for non-HCV ...

Ottawa aggressive protocol for acute atrial fibrillation is successful

... this protocol. This method of treatment stands in contrast to practice in the United States, where management of AAF and AAFL is hospital admission followed by treatment by cardiologists. Dr. Stiell states, This is the largest reported study of AAF/AAFL in the ED and demonstrates that the Ottawa Aggressive...

Quality versus quantity -- transforming kidney transplant policy

...nsure that the decision rests with the patient, in contrast to a system where quantitative benefit would always take priority with no patient or care giver input....

Passengers, not just mobile phones, contribute to road accidents

... also contributed to the study, suggested that "In contrast to mobile phone use, passengers, with some exceptions, are generally aware of the road conditions and can moderate their conversation as needed." "However, although the risk associated with carrying passengers is lower than that associated with mob...

Daytrana provides significant effectiveness in both boys and girls with ADHD

...0 percent of boys have been diagnosed with ADHD in contrast to only 4.4 percent of girls. Experts believe that girls with ADHD are underdiagnosed and, therefore, undertreated. Shire's DAYTRANA is the first and only patch medication approved by the U.S. Food and Drug Administration (FDA) to treat the sympto...

Same-day coronary angiography and surgery safe for many patients

... vessels through a thin, flexible tube; the dye or contrast medium allows the physician to see narrowing or bl...bility of renal failure, Mayo physicians use other contrast agents. They minimize the total amount of contrast and carefully screen patients at risk for kidney ...

Advances in screening and markers improve early detection of colorectal cancer

...oviding a narrower wavelength and enhancing visual contrast of the surface structure of the colon. In this study, two consecutive, same-day colonoscopies were performed in 276 patients. All colonoscopies used a wide angle of view (170 degrees compared to standard 140) and high resolution capabilities. The ...

Syphilis screening, lithium fights neurodegeneration, monoclonal antibodies against avian flu

...atients with mesial temporal sclerosis or MTLE, in contrast to zero of 14 with other syndromes. If these findings are confirmed in other groups of patients with this form of epilepsy, it may open up new avenues of therapy. Citation: Fotheringham J, Donati D, Akhyani N, Fogdell-Hahn A, Vortmeyer A, et al. (2...

Study questions risks of anti-bleeding drug during heart surgery

...y at Hartford Hospital from 2000 through 2005. In contrast to the previous study, there was no increase in heart attack risk among patients receiving aprotinin, while the risk of stroke was 35 percent lower. As in the previous study, patients receiving aprotinin had an increased risk of kidney dysfunction ...

Better insight into brain anatomical structures

...ntional gadolinium complexes currently used as MRI contrast agent cannot reveal anatomic structures. As report...l National University have now developed a new MRI contrast agent using manganese oxide nanoparticles that produces images of the anatomic structures of mouse b...

Vaxfectin-formulated measles DNA vaccine elicits long-term protection in nonhuman primates

...vels of measles virus at any time point tested, in contrast to negative control animals which all had detectable virus. Measles-specific T-cell responses were also detected after vaccination. The vaccines were well-tolerated in all animals. The study in infant rhesus macaques tested only intradermal needle-...

Treatment outcomes of patients with HIV and tuberculosis

...n uninfected/unknown patients. This finding was in contrast to other studies that did not find any significant difference between HIV-infected and HIV-uninfected/unknown patients. However, this finding was corroborated by a similar study that also used molecular genotyping as a relapse indicator. HIV-infe...

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(Date:4/17/2014)... stem cell therapies to cure a variety of diseases ... based on cell surface markers. Researchers from the Finnish ... highly expressed in a type of stem cells derived ... an article in BioResearch Open Access , a ... article is available free on the BioResearch ...
(Date:4/17/2014)... developed at Sandia National Laboratories and recently licensed to ... cheaper. , Bacillus anthracis , the bacteria ... over the world and can cause serious, and often ... can survive in harsh conditions for decades. In humans, ... skin contact, inhalation of spores or eating contaminated meat. ...
(Date:4/17/2014)... produce hydrogen sulfide in order to properly multiply and ... the Center for Craniofacial Molecular Biology at the Herman ... Shi, principal investigator on the project, said the presence ... flow of calcium ions. The essential ions activate a ... the creation of new bone tissue, and keeps the ...
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