Reduced blood flow in brain after clinical recovery from concussion

  • Some athletes who experience sports-related concussions have reduced blood flow in parts of their brains even after clinical recovery.

Adding to evidence that the standard assessments are inadequate to determine whether concussed athletes are fit to return to action, an advanced MRI technique that detects blood flow in the brain shows that hat brain abnormalities persist beyond the point of clinical recovery after injury.

The study compared 18 concussed players and 19 non-concussed players. For the concussed players, MRI was taken within 24 hours of the injury and eight days afterward. Baselines were taken before the football season.

While clinical assessments showed that the concussed players were back to normal at the eight day mark, the MRI demonstrated a significant blood flow decrease at eight days compared to the first post-injury MRI.

While the significance of this is still not clear, it may be that the brain is more vulnerable to another injury.

The study was presented at the annual meeting of the Radiological Society of North America (RSNA).

http://www.eurekalert.org/pub_releases/2015-11/rson-rbf112315.php

Related News

A systematic literature review of computerized training for attention and executive function in adults who suffered a brain injury (TBI or stroke) has concluded that there is encouraging evidence that such programs can help.

In the study, mice were repeatedly given extremely mild concussive impacts while anesthetized. The brain's response to a single concussion was compared with an injury received daily for 30 days and one received weekly over 30 weeks.

We know that traumatic brain injury increases the risk of later developing neurodegenerative disorders such as Alzheimer's disease, but we haven't known why. New mouse studies suggest a reason.

Brain imaging while 11 individuals with traumatic brain injury and 15 healthy controls performed a

A study involving 30 children (aged 8-10), of whom 15 had experienced a sports-related concussion two years earlier, and all of whom were athletically active, found that those with a history of concussion performed worse on tests of

An online national survey of 2,012 adult Americans (of whom 948 were parents) has found that, while the vast majority (87%) don’t know the definition of a concussion and many don’t know the injury is treatable, there is a high level of concern and even fear across the country.

A meta-analysis of studies reporting brain activity in individuals with a diagnosis of PTSD has revealed differences between the brain activity of individuals with PTSD and that of groups of both trauma-exposed (those who had experienced trauma but didn't have a diagnosis of PTSD) and trauma-naï

Studies linking head trauma with increased risk and earlier age of onset for Alzheimer's disease have yielded contradictory results.

A small study involving 18 individuals with at least one mild traumatic brain injury with related sleep disturbance has shown that six weeks of morning bright light therapy resulted in a marked decrease in subjective daytime sleepiness, and improved nighttime sleep.

A study involving 67 college football players has found that a protein biomarker for traumatic brain injury (S100B) was present in varying degrees in the blood samples of all the players after every game, even though none of them suffered a concussion.

Pages

Subscribe to Latest newsSubscribe to Latest newsSubscribe to Latest health news