Abstract
Researchers at Cincinnati Children's Hospital Medical Center, OH evaluated 12 children, ages 11 to 15 years, following sports-related concussion (SRC), employing ImPACT neurocognitive testing, T1 and susceptibility weighted MRI, diffusion tensor imaging, proton MR spectroscopy, and phase contrast angiography at <72 hours, 14 days, and 30 days or greater.
Highlights
Total symptom score differences resolved by 14 days and reaction time by 30 days
MR spectroscopy showed no decrease in neuronal metabolite N-acetyl aspartate or elevation of lactic acid
Improvement in cerebral blood flow (CBF) toward control values occurred in only 27% of participants at 14 days and in 64% at >30 days after sports-related concussion (SRC)
Summary
The authors consider the following as evidence of cause and effect between the surgery and cognitive improvement: 1) close temporal relationships; 2) PET increased metabolic activity in the affected temporal lobe after surgery; and 3) a correlation between the language impairment profiles and the location of the mass effect. A syndrome of temporal lobe arachnoid cyst and ADHD is further evidence supporting an association between these cysts and attention and behavioral disorders. Treatment is usually conservative, relying on medications, academic and behavioral modifications.
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