Microbleeds after traumatic head injuries may worsen outcomes: Study

Researchers have discovered that traumatic microbleeds, which appear as small, dark lesions on MRI scans after  he injury, are a form of injury to brain blood vessels, and may predict worse outcomes, an vance which may le to new treatment protocol for such injuries.

study, published in journal Brain, involved 439 ult participants who experienced a he injury and were treated in emergency department. researchers, including those from Cold Spring Harbor Laboratory in US, said that patients underwent MRI scans within 48 hours of injury, and again during four subsequent visits.

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Findings of study

participants also completed a behavioural and outcome questionnaire, study ted. findings revealed that 31 per cent of all subjects h evidence of microbleeds on ir brain scans. Nearly 60 per cent of participants with severe he injury showed microbleeds, and ar 27 per cent exhibited mild cases, researchers said.

According to researchers, microbleeds appeared as eir linear streaks or dotted, also referred to as punctate, lesions. majority of patients who h microbleeds h both s, study ted. study also revealed that frontal lobes of brain were most likely to show microbleeds.

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"While we kw that dam to brain cells can be devastating, exact impact of this vascular injury following he trauma is uncertain and requires furr study," said study co-author Laurence Latour of National Institute of Neurological Disorders and Stroke (NINDS) in US.

researchers ted that patients with microbleeds were more likely to have a greater level of disability compared to patients without microbleeds. According to researchers, microbleeds following brain injury may be a potential biomarker for identifying which patients may be candidates for treatments targeting vascular injury.

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