Brightsurf Science News & Current Events

September 05, 2005
NORVIT
Researchers from Norway have found that treating patients who have had a heart attack with high doses of B vitamins does not lower the risk of getting another heart attack or stroke.

Telemonitoring of multiple vital parameters in chronic heart failure
Chronic heart failure (CHF) is a frequent syndrome with an increasing prevalence.

Catheter interventions help to prevent stroke
According to WHO statistics, stroke is the second most frequent cause of death worldwide.

ESC Congress 2005: epidemiology and risk factors
The fact that cardiovascular disease (CVD) is the number one killer of European women is still not widely known.

New observations show dynamic particle clumps in Saturn's A ring
New observations from the Cassini spacecraft now at Saturn indicate the particles comprising one of its most prominent rings are trapped in ever-changing clusters of debris that are regularly torn apart and reassembled by gravitational forces from the planet.

Arrhythmias and sport
We know very little about the risk of sudden death associated with exercise in young competitors, so the benefits versus the hazards of sports activity pose a clinical dilemma.

Interventional therapy of aortic diseases by stent-graft placement
Endovascular stent grafting has been successfully used in patients with abdominal and thoracic aneurysms and has been explored as a less invasive alternative in patients with stable type B aortic dissection.

Roadways and parking lots threaten freshwater quality in the northeastern US
Paved roads and parking spaces come in handy for our nation's drivers, but they also come with a serious unforeseen cost-- the degradation freshwater ecosystems.

Daddy's little girl: what's it like to grow up without a father in the family home?
Single-parent families headed up by lone mothers are the fastest growing family in Australia.

Depression improved during telephone therapy in multiple sclerosis patients
Patients with multiple sclerosis showed significant improvement in their depression during 16 weeks of telephone-administered psychotherapy treatment, according to an article in the September issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Epidemiology of metabolic syndrome in Europe
Previously, several different definitions for the metabolic syndrome (MetS) had been proposed and used by researchers.

The intriguing problem of arrhythmias in competitive athletes
During the evaluation of competitive athletes, a history or a documentation of cardiac arrhythmias has become particularly important because arrhythmias may be the initial expression of an underlying cardiac disease or of primary electrical disorders, sometimes early manifestations of potentially life-threatening events.

Zebrafish may hold key to improved cancer research
A new study has confirmed that research done with zebrafish may be able to play a critical role in learning about the genetic basis of cancer and the mutations that can lead to it - and identified one gene in particular, B-myb, whose function is essential to preventing tumors.

Resynchronization therapy for chronic heart failure
During the last decade, cardiac resynchronization, as adjunctive therapy for patients with severe chronic heart failure has been the subject of many clinical trials.

Alterations in brain serotonin activity may be associated with anorexia nervosa
Women who have had a certain type of anorexia nervosa show an alteration of the activity of a chemical in their brain that is widely associated with anxiety and other affective disorders more than one year after recovery, according to a study in the September issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Hopkins researchers develop new way to track migration of stem cells used to treat damaged hearts
A team of scientists from the Johns Hopkins Department of Radiology and Institute of Cell Engineering has used a non-invasive imaging technique, called SPECT/CT, to successfully trace stem cells' destinations after being injected into the body to treat animal hearts damaged by myocardial infarction, or heart attack.

Chronic heart failure guidelines
Chronic heart failure (CHF) is common, deadly, disabling, costly but fortunately - treatable.

Advice to cardiac patients regarding sports and exercise
Increased levels of physical activity are known today to be one of the most powerful protective factors against cardiovascular disease and its progression.

Movies and parents' behavior may influence preschoolers perceptions about cigarettes and alcohol
When pretending to shop for a social evening, children two to six years old were nearly four times as likely to choose cigarettes if their parents smoked and children who viewed PG-13- or R-rated movies were five times as likely to choose wine or beer, according to a study in the September issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

Casting a wide net to fight coronaviruses
Structure-assisted optimization of compounds capable of inactivating CoV Mpros may rapidly lead to an antiviral agent against Coronavirus-associated diseases, according to a paper published in the premier open access journal PLoS Biology.

Annals of Internal Medicine tip sheet for Sept. 6, 2005
The tip sheet of Annals of Internal Medicine for Sept.

Using satellite observations to investigate 'greening' trends across Canada and Alaska
Recent results from scientists at the Woods Hole Research Center suggest that 'greening' has begun to decline in the high latitude forested areas of North America.

Study on acute coronary syndromes shows new anti-thrombotic therapy effective, safer for patients
A Canadian-led study involving researchers from 41 countries has demonstrated in a study of acute coronary syndromes (ACS) that a new anti-thrombotic therapy is safer and as effective as the traditional therapy used in preventing heart attacks, death and ischemia in people with serious heart conditions.

Acute heart failure: reality and recommendations
The number of hospitalizations for heart failure is about the same as for acute myocardial infarction.

Cardiac benefits of sport
When asked about his personal recipe for old age, Winston Churchill used to answer:

Social gradient in the metabolic syndrome - explained by psychosocial and behavioural factors?
There is a strong social gradient in the metabolic syndrome, which is not caused by differences in psychosocial or lifestyle factors.

ESC Congress 2005: ISSUE II
A new diagnostic and treatment strategy provided an 80% reduction in the one-year recurrence rate and a 92% reduction of total burden of syncope in some forms of neurally-mediated syncope.

Protein found to be more common in patients with lung fibrosis
A paper published in the open access journal PLoS Medicine reveals that osteopontin may have a critical role in the pathogenesis of idiopathic pulmonary fibrosis, and be a target for therapeutic intervention in this disease.

Fresh water affected by salt from deicing roads
Scientists have found that fresh water systems from across the northeastern United States including Baltimore, Maryland the Hudson River Valley, New York and the White Mountains of New Hampshire are becoming saltier due to deicer use on roads during the winter.

Medical end-of-life decisions for children in the Netherlands
A Dutch study found that end-of-life decisions (ELD) are an important aspect of end-of-life care for children between one and 17 years old and that those decisions include choices to refrain from life-prolonging treatment and to relieve pain or symptoms, according to a report in the September issue of Archives of Pediatrics & Adolescent Medicine.

Metabolic Syndrome, a map of the cardiovascular damage
The metabolic syndrome (MS) is a cluster of metabolic abnormalities with abdominal obesity (increased waist circumference) at its centre.

EuroAction demonstrates reduction in CVD
Stockholm, Sweden: Early results from the EuroAction hospital project, announced today at the European Society of Cardiology, demonstrate how a nurse-led multidisciplinary programme, organised in busy general hospitals, can help coronary patients and their families to reduce their risk of major cardiovascular disease (CVD).

ESSENTIAL: The studies of oral enoximone therapy in advanced heart failure
Heart failure is a clinical syndrome which has reached epidemic proportions.

One shot: A molecular movie of events that enable sperm to penetrate egg's coating
Researchers have capitalized on the unique properties of a sperm cell to follow cell membrane fusion as it occurs during fertilization, racking the full cascade of events for the first time.

Implantable pacemaker-like device sends pulses to the brain to treat chronic depression
Psychiatrists at Rush University Medical Center are the first in Chicago to use a vagus nerve stimulator (VNS), an implantable, pacemaker-like device, as a therapy to treat long-term, treatment-resistant depression (TRD) in adults.

Lymph nodes harbor information on whether breast cancer will recur
Numbers of lymphocytes and dendritic cells in tumor-draining lymph nodes correlate with long-term prognosis for breast-cancer patients, according to published research in the open access journal PLoS Medicine.

Interpersonal and social rhythm therapy proven to be an effective treatment for bipolar disorder
A treatment program that stresses maintaining a regular schedule of daily activities and stability in personal relationships is an effective therapy for bipolar disorder, report University of Pittsburgh School of Medicine researchers in September's Archives of General Psychiatry.

Women at heart: Stop the bias
Women presenting with symptoms of heart disease are investigated less thoroughly and treated less aggressively by cardiologists across Europe.

Liverpool leads new European tissue engineering project
Scientists at the University of Liverpool are leading a major European clinical engineering project that should see human tissue grown from stem cells available for transplant in the next four years.

Telemonitoring of multiple vital parameters in chronic heart failure
Chronic heart failure (CHF) is a frequent syndrome with an increasing prevalence.

Women at heart: stop the bias
Advances in diagnosis and treatment have resulted in a decrease of mortality among men, but not among women.

SOFA study reveals no effect of fish oil on life-threatening cardiac arrhythmia
In patients with an increased risk of heart rhythm problems, cardiac arrest or arrhythmia, eating fish oil did little to reduce that risk.

IMAGINE shows important new findings in the early phase post-CABG patient population
The IMAGINE (Ischemia Management with Accupril post bypass Graft via Inhibition of angiotensive coNverting Enzyme) study results are presented at the European Society of Cardiology Congress, in Stockholm, Sweden.

Computerized alerts could improve physicians' prescribing practices
A computerized order entry system that alerted providers to potential problems was shown to be able to influence prescribing practice, according to a published paper in PLoS Medicine.

Protein behind autumn color splendor identified
A research team at Umeå Plant Science Center (UPSC) has now identified a protein that helps bring out the color splendor of plants in the fall.

Percutaneous aortic valve replacement
Percutaneous aortic valve replacement is becoming a reality and brings new hope for a number of patients who cannot currently be treated with traditional surgical techniques.

Cassini reveals new details about Saturn's rings
Coincident with the 37th annual meeting of the Division of Planetary Sciences of the American Astronomical Society held in Cambridge, England, imaging scientists announced today a collection of exciting results from the recently concluded first season of Cassini's prime viewing of Saturn's rings.

SIRIUS II trial
The European Society of Cardiology (ESC) today highlighted results of a Phase II clinical study of ularitide, a synthetic form of a natriuretic peptide synthesized in the kidney for patients with acute decompensated congestive heart failure (ADHF).

US task force does not recommend routine screening for breast cancer gene mutations
The United States Preventive Services Task Force issues new recommendations for screening for BRCA1 and BRCA2 gene mutations in the Sept.

Good news: Video games without violence or sex!
September means back to school for millions of youngsters, though the beginning of the new year may put very little dent in the time many kids spend playing toxic video games.

Chemists perfect fast way to synthesize libraries of gold nanoparticles
A diverse library of functionalized undecagold clusters synthesized at the University of Oregon Materials Science Institute is featured on the Sept.

Epidemiology in Europe: the problem starts in childhood
Overweight and overt obesity are increasing in both sexes and at all ages in nearly all European countries, as the WHO-MONICA study and other WHO recent estimates have shown.

Scientists develop fungus-fighting vaccine
A group of scientists in Italy have developed a vaccine with the potential to protect against fungal pathogens that commonly infect humans, according to a study by Torosantucci and colleagues in the September 5 issue of The Journal of Experimental Medicine.

Calcium scans help predict heart disease in healthy men
Even among relatively young and healthy men, CT scans that detect calcium deposits in heart arteries can help predict the risk of coronary heart disease, according to a new study.

Expectations about pain can affect its intensity, research shows
When it comes to controlling pain, positive thinking can be as powerful as a shot of morphine, according to new brain imaging research at Wake Forest University Baptist Medical Center.

New anti-thrombotic therapy effective, safer for patients
The OASIS-5/MICHELANGELO study, presented today at the European Society of Cardiology meeting in Stockholm, Sweden, showed that fondaparinux, a new anti-thrombotic therapy, was as effective as enoxaparin in preventing heart attacks, death and ischemia (reduction in blood supply to the tissues) at nine days after an event but demonstrated a dramatic reduction in major bleeding.

Benefits of starting CHF treatment with beta-blocker
Initiating treatment with the selective beta-blocker, bisoprolol, is as effective and well tolerated as beginning treatment with an ACE inhibitor.

New way to assess risk of breast cancer recurrence developed at Stanford
New research from the Stanford University School of Medicine suggests that looking at the immune cells in those lymph nodes - instead of the tumor cells - will yield a more accurate forecast.
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