Metabolic changes in concussed American football players during the acute and chronic post-injury phases
2011

Metabolic Changes in Concussed Football Players

Sample size: 20 publication 10 minutes Evidence: moderate

Author Information

Author(s): Henry Luke C, Tremblay Sébastien, Leclerc Suzanne, Khiat Abdesselam, Boulanger Yvan, Ellemberg Dave, Lassonde Maryse

Primary Institution: University of Montreal

Hypothesis

The study aims to investigate whether different neurometabolites recover at the same rate after a sports concussion.

Conclusion

The study confirms that while some metabolic recovery occurs in concussed athletes, there are persistent metabolic abnormalities in certain brain regions even after symptoms have resolved.

Supporting Evidence

  • Concussed athletes showed lower NAA:Cr levels in the acute phase compared to controls.
  • Glu:Cr levels returned to control levels in the chronic phase for concussed athletes.
  • Myo-Inositol levels increased in the chronic phase, indicating potential ongoing metabolic issues.

Takeaway

When football players get a concussion, their brain chemistry changes. Some of these changes get better over time, but others stay messed up even after they feel fine.

Methodology

The study used 1H-MR Spectroscopy to compare brain metabolism in 10 concussed athletes and 10 non-concussed athletes at two time points: 1-6 days post-concussion and 6 months later.

Potential Biases

Potential biases may arise from the self-reported symptom scales and the small sample size.

Limitations

The study's sample size is small, and the follow-up for control athletes was longer than for concussed athletes.

Participant Demographics

Participants were university-level athletes, aged around 22.5 years, with an average education of 16 years.

Statistical Information

P-Value

p = .000

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2377-11-105

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