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Non-neurologic organ dysfunction in severe traumatic brain injury
David A Zygun1, John B Kortbeek, Gordon H Fick
1Departments of Critical Care Medicine, University of Calgary, Calgary Alberta, Canada.
Critical Care Medicine
|March 9, 2005
Summary
Non-neurologic organ dysfunction is frequent in severe traumatic brain injury (TBI) patients and significantly worsens both hospital mortality and neurological outcomes. Early identification of organ system failure is crucial for improving patient prognosis.
Area of Science:
- Critical Care Medicine
- Trauma Surgery
- Neurosurgery
Background:
- Severe traumatic brain injury (TBI) is a major cause of mortality and morbidity.
- Non-neurologic organ dysfunction frequently complicates TBI management.
- The impact of non-neurologic organ dysfunction on outcomes in TBI patients requires further elucidation.
Purpose of the Study:
- To determine the incidence of non-neurologic organ dysfunction in severe TBI patients.
- To investigate the association between non-neurologic organ dysfunction and patient outcomes, including mortality and neurologic status.
Main Methods:
- An observational cohort study was conducted.
- 209 consecutive patients with severe TBI admitted to the intensive care unit were included.
- Non-neurologic organ dysfunction was quantified using the maximum modified multiple organ dysfunction score.
Main Results:
- 89% of patients experienced dysfunction in at least one non-neurologic organ system.
- Respiratory (23%) and cardiovascular (18%) failures were the most common.
- Non-neurologic organ dysfunction was independently associated with increased hospital mortality (OR 1.63) and unfavorable neurologic outcomes (OR 1.53).
Conclusions:
- Non-neurologic organ dysfunction is highly prevalent in severe TBI.
- This organ dysfunction is an independent predictor of worse outcomes.
- The timing of organ dysfunction did not significantly impact its predictive value for outcomes.