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Chronic Brain Damage Not as Common in NFL Players as Believed Earlier

by Dr. Enozia Vakil on June 28, 2014 at 9:33 PM
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 Chronic Brain Damage Not as Common in NFL Players as Believed Earlier

Chronic brain damage may not be as prevalent in NFL players as thought earlier, researchers claim.

Researchers performed in-depth neurological examinations of 45 retired NFL players, ranging in age from 30-to 60-years old. The analysis included state-of-the-art magnetic resonance imaging (MRI), susceptibility weighted imaging (SWI), diffusion tensor imaging (DTI) along with comprehensive neuropsychological and neurological examinations, interviews, blood tests and APOE (apolipoprotein E) genotyping.

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Lead author and neurologist, Ira R. Casson, MD of the Long Island Jewish Medical Center, in New Hyde Park, New York and the Hofstra North Shore-LIJ School of Medicine, Hempstead, New York, said their results indicated that there were brain lesions and cognitive impairments in some of the players; however the majority of the individuals in our study had no clinical signs of chronic brain damage to the degree that has been noted in previous studies.

The players in the study had an average of 6.8 years of playing time in the NFL and reported approximately 6.9 concussions during their time in the league. The majority had normal clinical mental status.
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Neuropsychological testing revealed isolated impairments in 11 patients but none suffered dementia. Six players showed symptoms of moderate to severe depression. No players in the study had dysarthria, Parkinson's Disease or cerebellar dysfunction.

An abnormal gene which may predict future cognitive issues such as dementia was present in 38 percent of the players, which is larger than that in the general male population.

Player positions in the study included: 14 linebackers, 9 offensive lineman, 8 defensive lineman, 8 defensive backs, 2 wide receivers, 2 running backs, 1 tight end and 1 who played on both the offensive and defensive line. No NFL quarterbacks were part of the sample.

The study has been published online in the journal Sports Health: A Multidisciplinary Approach.

Source: ANI
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