Brightsurf Science News & Current Events

May 26, 2003
Surgery better than drugs for serious lack of blood flow to the heart
Surgery or angioplasty to improve blood flow in patients with moderate to severe levels of blood flow restriction to the heart reduces the risk of cardiac death more than medication alone, researchers report in today's rapid access issue of Circulation: Journal of the American Heart Association.

Astronomers show that low-mass stars in binary stars appear to behave like high-mass, evolved stars
UC Riverside astronomer Steve Howell and two colleagues from New Mexico State University have found from their observations of over a dozen mass-losing stars in 'cataclysmic variables' that most of the secondary stars do not appear to be normal main sequence stars in terms of their apparent abundances.

The mystery of the disappearing planetary disks
Young Sun-like stars seem to lose the dusty disks that encircle them before planets can form.

Drug may work on secondary clots in stroke
Many stroke patients can be treated with clot-busting drugs to reduce their chances of death and disability.

Fish oils in heart cells can block dangerous heart rhythms
Eating oily fish like salmon, tuna or bluefish at least twice a week can prevent sudden cardiac death because fatty acids in the fish block dangerous irregular heart rhythms, experts say in a review article in today's of Circulation: Journal of the American Heart Association.

DFG to establish 14 new priority programmes
The Deutsche Forschungsgemeinschaft (German Research Foundation) will be funding 14 new Priority Programmes beginning in 2004.

Artist's work evolves despite dementia
The case of a talented artist whose paintings evolved as her dementia progressed suggests that language skills are not necessary, and may even inhibit, some types of creativity.

Sleep disorder linked to common, serious heart rhythm problem
A heart rhythm disturbance that affects more than 2 million Americans is twice as likely to recur in patients with untreated sleep apnea, according to a Mayo Clinic study published in the May 27 edition of Circulation: Journal of the American Heart Association.

In a 'wild place': Astronomers find seven planet-forming disks, doubling total
A mammoth sky survey led by University of Florida astronomers has uncovered seven planet-forming disks in clusters of young stars, doubling the number of such disks discovered and expanding the territory that might yield new planets.

New research calls for heightened awareness of post-traumatic stress disorder following childbirth
New research by psychologist Dr Stephen Joseph at the University of Warwick reveals that women who experience traumatic childbirth can develop symptoms of post-traumatic stress disorder (PTSD), a serious condition of anxiety usually associated with events like wars and assaults.

Diabetes and high blood pressure increase risk of serious eye disease among blacks
People of African ancestry who have high blood pressure and high blood plasma glucose levels are at increased risk for diabetic retinopathy, and those with diabetes and high blood pressure are at increased risk for elevated intraocular pressure.

Hinge position in LASIK flaps affects corneal sensation and dry eye
Loss of corneal sensation and presence of dry eye signs and symptoms are greater in eyes that have undergone LASIK with a superior-hinged flap - attached at the top of the cornea - than in eyes that have received LASIK with a nasal-hinged flap - attached on the side closest to the nose.

Tiny galaxies once roared in the universe, say scientists
Astronomers led by the University of Colorado and Carnegie Observatories have shown that a miniature galaxy less than one-hundredth the size of the Milky Way is ejecting large quantities of gas and energy into huge regions of intergalactic space.

Immerge BioTherapeutics announces identification of PERV receptor
This week in the Proceedings of the National Academy of Sciences, researchers from Immerge BioTherapeutics, Inc., announced they have identified the receptors that are used by porcine endogenous retrovirus (PERV) to enter and infect a cell.

Corneal ring segments improve vision for patients with keratoconus
Corneal ring segments, marketed under the name Intacs, improve vision in patients with keratoconus, an ocular condition in which thin corneas bulge forward causing a deterioration of vision.

Is bigger better?
A new study in the Canadian Medical Association Journal shows that no benefit would accrue from regionalizing resection of the colon or rectum for cancer at high-volume hospitals in Ontario.

VISX CustomVue laser vision correction procedure approved by the FDA
VISX, INCORPORATED (NYSE Symbol: EYE) has received approval from the U.S.
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