Concussion: Advanced MRI Detects Hidden Brain Damage
- A new study by Cambridge researchers suggests that diffusion tensor imaging (DTI) MRI scans could help pinpoint which concussion patients are at risk for long-term, life-altering symptoms.
- In the United Kingdom alone, emergency departments see over a million patients each year for recent head injuries, making it the most common type of brain injury worldwide.
- However, CT scans often miss abnormalities in concussion patients.
Advanced MRI scans are changing the game for concussion diagnosis: New research reveals that diffusion tensor imaging (DTI) can now identify patients at risk of lasting symptoms. This groundbreaking study, published in eClinicalMedicine, analyzed over 1,000 patients, demonstrating DTI’s superior ability—compared to existing methods—to predict long-term outcomes. Researchers found that DTI improved prognostic accuracy significantly. This offers hope for improved detection of this “hidden disease.” Moreover, combining DTI with blood biomarkers could further refine concussion prognosis. news Directory 3 knows how critical early intervention is. Discover how this innovative approach could revolutionize concussion care, improving the lives of millions.
MRI Scan Identifies Concussion Risks, Predicts Lasting Symptoms
Updated June 11, 2025
A new study by Cambridge researchers suggests that diffusion tensor imaging (DTI) MRI scans could help pinpoint which concussion patients are at risk for long-term, life-altering symptoms. identifying concussion risks early is key to effective intervention.
Concussions affect about one in 200 Europeans annually. In the United Kingdom alone, emergency departments see over a million patients each year for recent head injuries, making it the most common type of brain injury worldwide. Current protocols often involve CT scans to check for brain injuries like bruising or swelling.
However, CT scans often miss abnormalities in concussion patients. Despite normal CT results, 30% to 40% of these patients experience debilitating symptoms for years, including fatigue, memory problems, headaches, and mental health issues. The DTI scan offers improved concussion prognosis.
Dr. Virginia Newcombe, from the University of Cambridge, noted the limitations of current practices. Patients are often discharged with basic information and told to consult their general practitioner if symptoms worsen. She emphasized that concussion is a “hidden disease,” often lacking objective evidence, leading to dismissed or ignored symptoms.
The eClinicalMedicine study demonstrates that DTI, an advanced MRI technique, considerably enhances prognostic models for concussion patients with normal CT scans. DTI measures water molecule movement in brain tissue, creating detailed images of white matter tracts connecting brain regions. This data yields a DTI score reflecting brain region abnormalities.
Researchers analyzed data from over 1,000 patients in the CENTER-TBI study. Of these, 38% experienced incomplete recovery, with persistent symptoms three months post-discharge. DTI scores improved prognosis accuracy; the current clinical model correctly predicted poorer outcomes in 69 out of 100 cases, while DTI increased this to 82 out of 100.
The study also explored blood biomarkers, specifically glial fibrillary acidic protein (GFAP) within 12 hours and neurofilament light (NFL) between 12 and 24 hours post-injury. these biomarkers helped identify patients who would benefit most from a DTI scan.
“Concussion is the number one neurological condition to affect adults, but health services don’t have the resources to routinely bring back every patient for a follow-up, which is why we need a way of identifying those patients at greatest risk of persistent symptoms,” said Dr. Newcombe.
Dr.Newcombe stressed the urgent need for better assessment methods, noting that DTI, theoretically accessible to any center with an MRI scanner, can provide more accurate assessments. The significant impact of concussion symptoms on individuals’ lives underscores this need.
What’s next
The research team plans to further investigate blood biomarkers for simpler predictors and explore ways to integrate DTI into routine clinical practice. Dr. Sophie Richter highlighted the goal of integrating various data types—symptoms, blood tests, and brain scans—to improve injury assessment and concussion prognosis.