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Author Topic: Morbus Parkinson nach Gehirn­erschütterungen häufiger  (Read 1078 times)

Thymian

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Morbus Parkinson nach Gehirn­erschütterungen häufiger
« on: July 15, 2016, 01:44:47 PM »

[quote*]
Morbus Parkinson nach Gehirn­erschütterungen häufiger
Mittwoch, 13. Juli 2016

dpa
Seattle – Menschen, die im Verlauf ihres Lebens eine Gehirnerschütterung mit kurzer oder längerer Bewusstseinsstörung erlitten haben, erkranken im späteren Leben häufiger an einem Morbus Parkinson. Eine Assoziation mit den wesentlich häufigeren Demenzen oder einem Morbus Alzheimer war in drei US-Kohortenstudie in JAMA Neurology (2016; doi: 10.1001/jamaneurol.2016.1948) wider Erwarten nicht nachweisbar.
[...]

Links:

zum Thema

Abstract der Studie
https://archneur.jamanetwork.com/article.aspx?articleid=2532818

Pressemitteilung des Mount Sinai Hospital
http://www.aerzteblatt.de/archiv/79371/Boxen-akute-Komplikationen-und-Spaetfolgen

Pressemitteilung von JAMA
http://www.aerzteblatt.de/archiv/79371/Boxen-akute-Komplikationen-und-Spaetfolgen


Deutsches Ärzteblatt print
http://www.aerzteblatt.de/archiv/79371/Boxen-akute-Komplikationen-und-Spaetfolgen

Boxen – akute Komplikationen und Spätfolgen
http://www.aerzteblatt.de/nachrichten/51560/Neurodegenerative-Todesfaelle-unter-Footballspielern-haeufiger
[*/quote*]

mehr:
http://www.aerzteblatt.de/nachrichten/69546



Ein Mehr an Schulsport, was man ja so hart erkämpft hat, hat die Kinder verblödet und die Ärzte, vor allem die Orthopäden und Neurologen, reich gemacht. Jetzt bringt es die damaligen Schulkinder im Alter ins Grab.

Sport ist Mord.
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Thymian

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http://www.mountsinai.org/about-us/newsroom/press-releases/link-found-between-traumatic-brain-injury-and-late-life-parkinsons-but-not-alzheimers-disease

[*quote*]
Home > About Mount Sinai > Newsroom > News Releases > Link Found Between Traumatic Brain Injury and Late-Life Parkinson’s, but Not Alzheimer’s ...

Link Found Between Traumatic Brain Injury and Late-Life Parkinson’s, but Not Alzheimer’s Disease

NEW YORK, NY    – July 11, 2016 /Press Release/    ––

Traumatic brain injury (TBI) with a loss of consciousness (LOC) may be associated with later development of Parkinson’s disease but not Alzheimer’s disease or incident dementia, according to a study conducted at the Icahn School of Medicine at Mount Sinai and the University of Washington School of Medicine.  The research, published today in JAMA Neurology, contradicts common assumptions about the relationship between TBI and Alzheimer’s disease as found in other high-profile studies.

There is great interest in the late effects of TBI and the widespread public health implications.  The Centers for Disease Control and Prevention estimates that more than 1.3 million Americans visit an emergency department each year because of a TBI-related injury.     
 
The research team studied head injury data from 7,130 older adults – the largest study ever on this topic – as part of three prospective cohort studies that performed annual or biennial cognitive and clinical testing. Of this group, 865 people had suffered TBI with LOC at some point before the study began. Of the 865, 142 had been unconscious for more than one hour.  The researchers evaluated associations between TBI and late-life clinical outcomes, such as dementia, Alzheimer’s disease, mild cognitive impairment, Parkinson’s disease and change in parkinsonian signs.  Roughly 23 percent of the study group had brain autopsies, and in that group researchers searched for any link between TBI and neuropathological findings.  Neuropathology is considered the gold standard for diagnosing neurodegenerative disease.
No statistically significant relationship between TBI with LOC and dementia risk was discovered when the group with TBI with LOC was compared with the 1,537 patients who developed dementia during the study. Results for Alzheimer’s disease (diagnosed in 1,322 study participants) were similar.  However, regression data showed a strong association between TBI with LOC greater than an hour and Parkinson’s disease (117 cases during the study).  Neuropathological findings at autopsy (1,652 autopsy cases) showed no association between TBI with LOC and beta amyloid plaques or neurofibrillary tangles, the hallmark indicators of Alzheimer’s disease.  However, the autopsies found an increased risk for Lewy bodies (abnormal aggregates of protein) in TBI with LOC less than an hour and an increased risk of cerebral microinfarcts (microscopic stroke) in TBI with LOC more than an hour.
“The results of this study suggest that some individuals with a history of TBI are at risk for late-life neurodegeneration but not Alzheimer’s disease,” says Kristen Dams-O’Connor, PhD, Co-Director of the Brain Injury Research Center and Associate Professor in the Department of Rehabilitation Medicine at the Icahn School of Medicine at Mount Sinai.  “We want to identify and treat post-TBI neurodegeneration while people are still alive, but to do this, we need to first understand the disease.  Prospective TBI brain donation studies can help us characterize post-TBI neurodegeneration, identify risk factors, and develop effective treatments.”
These findings suggest that clinicians may be misdiagnosing late-life TBI-related neurodegeneration as Alzheimer’s disease, and therefore treatment targeting Alzheimer’s would be ineffective in helping late-life decline among patients who experienced TBI.  Further work is needed to characterize post-TBI neurodegeneration. 
The lead investigator for this study is Paul Crane, MD, MPH, Professor in the Department of Medicine at the University of Washington School of Medicine.  Cleveland Clinic, University of Utah, Rush University Medical Center and Group Health Research Institute also contributed to this research.
The National Institutes of Health and the Paul Allen Family Foundation provided funding for the study.
About the Mount Sinai Health System
The Mount Sinai Health System is an integrated health system committed to providing distinguished care, conducting transformative research, and advancing biomedical education. Structured around seven hospital campuses and a single medical school, the Health System has an extensive ambulatory network and a range of inpatient and outpatient services—from community-based facilities to tertiary and quaternary care.
The System includes approximately 7,000 primary and specialty care physicians; 12 joint-venture ambulatory surgery centers; more than 140 ambulatory practices throughout the five boroughs of New York City, Westchester, Long Island, and Florida; and 31 affiliated community health centers. Physicians are affiliated with the renowned Icahn School of Medicine at Mount Sinai, which is ranked among the highest in the nation in National Institutes of Health funding per investigator. The Mount Sinai Hospital is ranked as one of the nation’s top 10 hospitals in Geriatrics, Cardiology/Heart Surgery, and Gastroenterology, and is in the top 25 in five other specialties in the 2014-2015 “Best Hospitals” issue of U.S. News & World Report. Mount Sinai’s Kravis Children’s Hospital also is ranked in seven out of ten pediatric specialties by U.S. News & World Report. The New York Eye and Ear Infirmary of Mount Sinai is ranked 11th nationally for Ophthalmology, while Mount Sinai Beth Israel is ranked regionally.     

For more information, visit http://www.mountsinai.org or find Mount Sinai on Facebook, Twitter and YouTube.
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[*/quote*]
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