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Epidemiology of traumatic comas: a prospective population-based study
Françoise Masson1, Michel Thicoipe, Tarak Mokni
1Department of Anesthesia, University Hospital of Bordeaux, France. francoise.masson@chu-bordeaux.fr
Brain Injury
|March 15, 2003
Summary
This study found severe brain injury (SBI) patients in the general population are older and more often injured in falls than those in specialized centers. Mortality rates for SBI remain high, underscoring the need for improved prevention and treatment strategies.
Area of Science:
- Neurology
- Epidemiology
- Trauma Care
Background:
- Most severe brain injury (SBI) research relies on data from specialized trauma centers.
- This limits understanding of SBI epidemiology in the general population.
- A population-based approach is crucial for comprehensive insights.
Purpose of the Study:
- To conduct a prospective epidemiologic study of all severe brain injury (SBI) patients in a defined region.
- To characterize the demographics, causes, and outcomes of SBI in a non-specialized, population-based cohort.
- To compare findings with existing data from specialized trauma centers.
Main Methods:
- Prospective enrollment of all patients with SBI (coma >24 hours or death) admitted to regional emergency departments over 1 year.
- Data collection included initial neurological status (e.g., Glasgow Coma Scale - GCS), CT scan findings, and associated injuries.
- Outcomes were assessed via medical records at the end of acute hospitalization.
Main Results:
- 248 SBI patients were registered, with an annual incidence of 8.5/100,000 population.
- The median age was 41 years; traffic crashes (59%) and falls (30%) were primary causes.
- 52% of the cohort died; outcomes correlated with CT findings and time to eye-opening/command following.
Conclusions:
- Population-based SBI cohorts differ significantly from specialized center cohorts, featuring older patients and higher incidence of fall-related injuries.
- Despite advances, mortality rates for severe brain injury remain critically high.
- Findings highlight the need for broader public health strategies and potentially different treatment paradigms for SBI in the general population.