Plasma DNA as a Prognostic Marker in Trauma Patients

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Abstract
Background: Recently, much interest has developed in the potential use of plasma DNA as a diagnostic and monitoring tool. We hypothesized that plasma DNA is increased in patients with trauma and may be prognostic in such patients. Methods: We studied 84 patients who had sustained an acute blunt traumatic injury. We measured plasma DNA by a real-time quantitative PCR assay for the β-globin gene. Blood samples were collected at a median time of 60 min following injury. Blood samples were also obtained from 27 control subjects. Results: The median plasma DNA concentrations in the control, minor/moderate trauma (Injury Severity Score Conclusions: Plasma DNA is increased after trauma and may be a potentially valuable prognostic marker for these patients.