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The Affordable Care Act in Kentucky, one year later

2014-11-20
LOUISVILLE, Ky. - One year ago, Michael Stillman, M.D., and his colleague, Monalisa Tailor, M.D., both physicians with the University of Louisville Department of Medicine, wrote a New England Journal of Medicine "Perspective" article about "Tommy Davis," their pseudonym-named patient who delayed seeing a doctor because he lacked health insurance. After spending a year experiencing severe abdominal pain and other symptoms, Davis finally sought care in the emergency room. The diagnosis? Metastatic colon cancer. "If we'd found it sooner," Davis said to the physicians, ...

A signature for success

2014-11-20
November 19, 2014, New York, NY - A team led by Ludwig and Memorial Sloan Kettering (MSK) researchers has published a landmark study on the genetic basis of response to a powerful cancer therapy known as immune checkpoint blockade. Their paper, in the current issue of the New England Journal of Medicine, describes the precise genetic signatures in melanoma tumors that determine whether a patient will respond to one such therapy. It also explains in exquisite detail how those genetic profiles translate into subtle molecular changes that enable the immune system attack of ...

New leadless pacemaker safe, reliable

2014-11-19
A new self-contained leadless cardiac pacemaker is a safe and reliable alternative to conventional pacemakers, according to research presented at the American Heart Association's Scientific Sessions 2014. The new device reduces complications that have existed over the last 50 years that are associated with lead placement and performance and the pulse generator situated under the skin that have occurred with conventional pacemaker systems. In the first trial of the leadless pacemaker, doctors implanted one in eight patients (average 82 years old, 75 percent men) with ...

More children surviving dilated cardiomyopathy without heart transplant

2014-11-19
More children with dilated cardiomyopathy are surviving without a heart transplant, according to research presented at the American Heart Association's Scientific Sessions 2014. Dilated cardiomyopathy occurs when the heart is enlarged (dilated) and the pumping chambers contract poorly (usually left side is worse than right). It can have genetic and infectious/environmental causes. Researchers analyzed the clinical outcomes of children with dilated cardiomyopathy in the NHLBI Pediatric Cardiomyopathy Registry (PCMR) and divided them into two groups based upon year of ...

Unhealthy behavior may be cross-generational

2014-11-19
Children whose parents spend a lot of time sitting in front of a computer or other screen are more likely than other children to have excessive screen-time habits, as well as associated risks for heart and blood vessel disease, according to a study presented at the American Heart Association's Scientific Sessions 2014. "Screen time of children is significantly associated with parental screen time," said Masao Yoshinaga, M.D., Ph.D., the study's lead author and chief director of pediatrics at National Hospital Organization, Kagoshima Medical Center in Japan. "To reduce ...

From architect to social worker: Complex jobs may protect memory and thinking later on

2014-11-19
MINNEAPOLIS - People whose jobs require more complex work with other people, such as social workers and lawyers, or with data, like architects or graphic designers, may end up having longer-lasting memory and thinking abilities compared to people who do less complex work, according to research published in the November 19, 2014, online issue of Neurology®, the medical journal of the American Academy of Neurology. "These results suggest that more stimulating work environments may help people retain their thinking skills, and that this might be observed years after ...

Johns Hopkins scientists present findings at the Society for Neuroscience meeting

2014-11-19
Nanosymposium 18.10 Sat., 3:15 p.m., Walter E. Washington Convention Center, 150A Lindsay Hayes and Akira Sawa A Blood Pressure Hormone Implicated in Psychosis In an effort to find a marker that predicts psychosis, postdoctoral researcher Lindsay Hayes, Ph.D., learned unexpectedly that mice and people with behavior disorders have abnormally low levels of a hormone system tied to blood pressure regulation and inflammation. In the cerebrospinal fluid of patients with first episode psychosis, she noticed abnormally low levels of the enzyme that makes the hormone angiotensin. ...

Laser for tattoo removal appears to improve facial acne scarring

2014-11-19
A laser used to remove unwanted tattoos appears to improve facial acne scarring, according to a study published online by JAMA Dermatology. Acne and subsequent scarring can have psychological effects. Lasers are used in the treatment of acne scarring. The U.S. Food and Drug Administration has approved the use of a 755-nm picosecond alexandrite laser, , a technology that delivers lower doses of energy theoretically leading to fewer adverse events, for the treatment of unwanted tattoos. Jeremy A. Brauer, M.D., of the Laser & Skin Surgery Center of New York, and his co-authors ...

Telemedicine collaborative care for posttraumatic stress disorder in US veterans

2014-11-19
Military veterans with posttraumatic stress disorder (PTSD) who live in rural areas successfully engaged in evidence-based psychotherapy through a telemedicine-based collaborative care model thereby improving their clinical outcomes, according to a report published online by JAMA Psychiatry. A disabling disorder, PTSD develops in some people exposed to traumatic events. More than 500,000 military veterans enrolled in the Veterans Health Administration (VHA) health care system (about 9.2 percent of the VHA population) were diagnosed with PTSD in 2012. A large portion of ...

Study examines national trends in mastectomy for early-stage breast cancer

2014-11-19
Higher proportions of women eligible for breast conservation surgery (BCS) are undergoing mastectomy, breast reconstruction and bilateral mastectomy (surgical removal of both breasts), with the steepest increases seen in women with lymph node-negative and in situ (contained) disease, according to a report published online by JAMA Surgery. BCS has been a standard of excellence in breast cancer care and its use for management of early-stage breast cancer had increased steadily since the 1990s. However there is evidence that that trend may be reversing. Kristy L. Kummerow, ...

Eighty percent of kidney dialysis patients unprepared for natural disaster or emergency

2014-11-19
MAYWOOD, Ill. - Eighty percent of kidney dialysis patients surveyed were not adequately prepared in the event of an emergency or natural disaster that shut down their dialysis center. But after receiving individualized education from a multidisciplinary team of doctors, nurses, dieticians and social workers, 78 percent of these patients had become adequately prepared, according to a Loyola University Medical Center study. Anuradha Wadhwa, MD, and colleagues, reported findings during the ASN Kidney Week 2014 meeting. Patients with kidney failure rely on dialysis treatments ...

UTMB scientist finds marker that predicts cholesterol level changes as people grow older

2014-11-19
It's known that cholesterol levels typically rise as people age and that high cholesterol levels are associated with increased risk of cardiovascular disease. What's less known is that cholesterol levels begin to decline the more a person ages. Recently, researchers from the University of Texas Medical Branch at Galveston and the University of Kentucky found that differences in one gene can influence a person's cholesterol levels from midlife to late life. The study, published in the International Journal of Environmental Research and Public Health, analyzed data from ...

Crops play a major role in the annual CO2 cycle increase

2014-11-19
MADISON, Wis. -- Each year, the planet balances its budget. The carbon dioxide absorbed by plants in the spring and summer as they convert solar energy into food is released back to the atmosphere in autumn and winter. Levels of the greenhouse gas fall, only to rise again. But the budget has gotten bigger. Over the last five decades, the magnitude of this rise and fall has grown nearly 50 percent in the Northern Hemisphere, as the amount of the greenhouse gas taken in and released has increased. Now, new research shows that humans and their crops have a lot to do with ...

NASA's Swift mission probes an exotic object: 'Kicked' black hole or mega star?

NASA's Swift mission probes an exotic object: 'Kicked' black hole or mega star?
2014-11-19
An international team of researchers analyzing decades of observations from many facilities, including NASA's Swift satellite, has discovered an unusual source of light in a galaxy some 90 million light-years away. The object's curious properties make it a good match for a supermassive black hole ejected from its home galaxy after merging with another giant black hole. But astronomers can't yet rule out an alternative possibility. The source, called SDSS1133, may be the remnant of a massive star that erupted for a record period of time before destroying itself in a supernova ...

Digging for answers

Digging for answers
2014-11-19
On an archaeology field trip in New Mexico as an undergraduate in 2006, Dana Bardolph noticed something that struck her as an odd gender imbalance: The professor leading the dig was a men, while the graduate assistant and all but two of the 14 undergrads were women. "And it just got me thinking," Bardolph recalled. "Is this reflective of the profession as a whole, or is it an anomaly?" The question stayed with her, and four years ago she decided to search for an answer. Her findings -- generated after digging through more than 4,500 peer-reviewed papers in 11 archaeology ...

Two new baryon particles discovered in agreement with York U prediction

2014-11-19
TORONTO, November 19, 2014 - Today an international team of researchers announced the discovery of two new particles in the baryon family, which makes them cousins of the familiar proton and neutron. The LHCb collaboration at CERN, the European Organization for Nuclear Research, used CERN's Large Hadron Collider to make these discoveries. The masses of these particles, named Xi_b'- and Xi_b*- had been predicted in a paper published in 2009 by York University Professor Randy Lewis and Richard Woloshyn, scientist at the TRIUMF Lab in Vancouver, using a supercomputer approach ...

Vanderbilt study finds more breast cancer patients opting for mastectomy

2014-11-19
Far more breast cancer patients are choosing to undergo mastectomy, including removal of both breasts, instead of choosing breast conservation surgery even when they have early stage disease that is confined to one breast, a Vanderbilt study shows. In the past decade, there have also been marked trends toward higher proportions of women opting for breast reconstruction. The rates of increase were steepest among women with lymph node-negative and in situ (contained) disease. This is a reversal of trends seen since the 1990s when breast conservation surgery (BCS) was ...

Delivering stem cells into heart muscle may enhance cardiac repair and reverse injury

2014-11-19
Delivering stem cell factor directly into damaged heart muscle after a heart attack may help repair and regenerate injured tissue, according to a study led by researchers from Icahn School of Medicine at Mount Sinai presented November 18 at the American Heart Association Scientific Sessions 2014 in Chicago, IL. "Our discoveries offer insight into the power of stem cells to regenerate damaged muscle after a heart attack," says lead study author Kenneth Fish, PhD, Director of the Cardiology Laboratory for Translational Research, Cardiovascular Research Center, Mount Sinai ...

NASA sees Tropical Storm Adjali making the curve

NASA sees Tropical Storm Adjali making the curve
2014-11-19
Tropical Storm Adjali started curving to the southwest on its trek through the Southern Indian Ocean when NASA's Aqua satellite passed overhead on Nov. 19. The Moderate Resolution Imaging Spectroradiometer or MODIS instrument that flies aboard NASA's Aqua satellite captured a visible picture of Tropical Storm Adjali on Nov. 19 at 9:05 UTC (4:05 a.m. EST). The MODIS image showed that the storm began curving to the southwest, and despite slight weakening, thunderstorms circled around the low-level center. Adjali was curving to the southwest as it continued to move along ...

Drinking age laws have a significant effect on collisions among young drivers

Drinking age laws have a significant effect on collisions among young drivers
2014-11-19
Minimum legal drinking age legislation in Canada can have a major impact on young drivers, according to a new study from the Northern Medical Program at the University of Northern British Columbia (UNBC). Drivers just older than the legal age had a significant increase in motor vehicle crashes compared to those immediately under the restriction. In the study, published this week in the American Journal of Preventive Medicine, Dr. Russ Callaghan and his research team looked at Quebec motor vehicle collision statistics between 2000 and 2012 which involved young drivers. ...

Syracuse physicist helps discover subatomic particles

Syracuse physicist helps discover subatomic particles
2014-11-19
A physicist in Syracuse University's College of Arts and Sciences is the lead contributor to the discovery of two never-before-seen baryonic particles. The finding, which is the subject of a forthcoming article in Physical Review Letters (American Physical Society, 2014), is expected to have a major impact on the study of quark dynamics. Steven Blusk, associate professor of physics, has identified particles known as Xi_b'- and Xi_b*-. Although the particles had been predicted to exist, nobody has seen them until now. The discovery is part of his ongoing work at the Large ...

Publication's debut addresses pain among older adults

2014-11-19
The first issue of a new publication series from The Gerontological Society of America (GSA) called From Policy to Practice explores pain as a public health problem and takes a look at how various policies impact the care provided to patients in a range of practice settings. It also provides readers with an overview of provisions of the Affordable Care Act that address pain research, education, training, and clinical care -- as well as steps taken to implement those provisions. "An Interdisciplinary Look at the Potential of Policy to Improve the Health of an Aging America: ...

CHOP experts highlight advances in pediatric cardiology at 2014 AHA Scientific Sessions

2014-11-19
Physician-researchers from the Cardiac Center at The Children's Hospital of Philadelphia (CHOP) presented new findings on pediatric cardiovascular disease at the American Heart Association's Scientific Sessions 2014 in Chicago. Among many other topics, they investigated using automated external defibrillators in infants, long-term cardiac risk in surgical survivors of the Fontan operations for congenital heart disease, and whether centers that perform more cardiac catheterizations tend to have better outcomes. Pediatric cardiologist Yoav Dori, M.D., Ph.D., delivered ...

JDR publishes special issue on novel dental biomaterials and technologies

2014-11-19
Alexandria, Va., USA - Today, the International and American Associations for Dental Research (IADR/AADR) published a special themed issue of the Journal of Dental Research (JDR) centered on novel dental biomaterials and technologies. Although the Associations have published clinical supplements to the JDR, this is the first special themed issue the Associations have published. This special themed issue of the JDR contains a collection of timely articles designed to provide the reader with a review of some of the important new material developments, as well as examples ...

Endangered green turtles may feed, reside at Peru's central, northern coast

Endangered green turtles may feed, reside at Peru's central, northern coast
2014-11-19
Peruvian coastal waters may provide suitable habitat that may help the recovery of endangered South Pacific green turtles, according to a study published November 19, 2014 in the open-access journal PLOS ONE by Ximena Velez-Zuazo from University of Puerto Rico and colleagues. Green turtles inhabit tropical and subtropical coastal waters around the world. The authors of this study worked to identify suitable habitat for the endangered species by measuring two populations off the Peruvian coast from 2010 to 2013 in potentially important feeding grounds. The researchers ...
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