Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

People with Common Heart Defect Also More Likely to Have Brain Aneurysms

04.05.2010
A new study shows that people with a common heart defect may also be more likely to have brain aneurysms. The study is published in the May 4, 2010, print issue of Neurology®, the medical journal of the American Academy of Neurology.

Up to two percent of the population is born with the heart defect called a bicuspid aortic valve (BAV). The aortic valve allows blood to flow from the heart to the aorta. It normally has three flaps that open and close to regulate blood flow. In people with a bicuspid aortic valve, the valve does not develop fully during gestation and there are two flaps instead of three.

Some people with BAV never have any problems, but many develop narrowing or leakage of the aortic valve, especially as adults.

Recent research has shown that the artery problems with BAV may also occur in the brain, and that BAV may be a connective tissue disorder. Brain aneurysms are a weakening in a brain artery that causes a bulge in the artery.

“Since brain aneurysms are a treatable problem that can lead to death and disability if they rupture, we wanted to find out how common they are in people with BAV,” said study author Wouter Schievink, MD, Director of Microvascular Neurosurgery at Cedars-Sinai Medical Center in Los Angeles, Calif.

For the study, 61 people with BAV were screened for brain aneurysms, along with 291 people who did not have BAV but were undergoing scans for a suspected stroke or brain tumor during the same time period.

Six of the 61 people with BAV had brain aneurysms, or 9.8 percent, compared to three of the 291 people who did not have BAV, or 1.1 percent. Studies have shown that 0.5 to two percent of the general adult population has brain aneurysms.

“While more research needs to be done to confirm these results, these findings show a significant increased risk of brain aneurysms in people with bicuspid aortic valves,” Schievink said.

Schievink said the heart defect has been shown to cluster in families, and screening is generally recommended for close family members of people diagnosed with bicuspid aortic valves.

The American Academy of Neurology, an association of more than 22,000 neurologists and neuroscience professionals, is dedicated to promoting the highest quality patient-centered neurologic care. A neurologist is a doctor with specialized training in diagnosing, treating and managing disorders of the brain and nervous system such as multiple sclerosis, restless legs syndrome, Alzheimer’s disease, narcolepsy and stroke.

Rachel L. Seroka | American Academy of Neurology
Further information:
http://www.aan.com

Further reports about: Aneurysms Brain Heart aortic valve brain aneurysm heart defect tissue disorder

More articles from Studies and Analyses:

nachricht Europe’s Demographic Future. Where the Regions Are Heading after a Decade of Crises
10.08.2017 | Berlin-Institut für Bevölkerung und Entwicklung

nachricht Scientists reveal source of human heartbeat in 3-D
07.08.2017 | University of Manchester

All articles from Studies and Analyses >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Fizzy soda water could be key to clean manufacture of flat wonder material: Graphene

Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.

As graphene's popularity grows as an advanced "wonder" material, the speed and quality at which it can be manufactured will be paramount. With that in mind,...

Im Focus: Exotic quantum states made from light: Physicists create optical “wells” for a super-photon

Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.

Light particles (photons) occur as tiny, indivisible portions. Many thousands of these light portions can be merged to form a single super-photon if they are...

Im Focus: Circular RNA linked to brain function

For the first time, scientists have shown that circular RNA is linked to brain function. When a RNA molecule called Cdr1as was deleted from the genome of mice, the animals had problems filtering out unnecessary information – like patients suffering from neuropsychiatric disorders.

While hundreds of circular RNAs (circRNAs) are abundant in mammalian brains, one big question has remained unanswered: What are they actually good for? In the...

Im Focus: RAVAN CubeSat measures Earth's outgoing energy

An experimental small satellite has successfully collected and delivered data on a key measurement for predicting changes in Earth's climate.

The Radiometer Assessment using Vertically Aligned Nanotubes (RAVAN) CubeSat was launched into low-Earth orbit on Nov. 11, 2016, in order to test new...

Im Focus: Scientists shine new light on the “other high temperature superconductor”

A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.

Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Call for Papers – ICNFT 2018, 5th International Conference on New Forming Technology

16.08.2017 | Event News

Sustainability is the business model of tomorrow

04.08.2017 | Event News

Clash of Realities 2017: Registration now open. International Conference at TH Köln

26.07.2017 | Event News

 
Latest News

A Map of the Cell’s Power Station

18.08.2017 | Life Sciences

Engineering team images tiny quasicrystals as they form

18.08.2017 | Physics and Astronomy

Researchers printed graphene-like materials with inkjet

18.08.2017 | Materials Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>