Abstract
BackgroundTraumatic brain injury (TBI) is a common cause of death among injured patients. In addition to neurologic sequelae which may increase mortality risk, trauma patients suffering severe TBI (Glasgow Coma Score≤8) have a predilection for pulmonary complications. We have previously demonstrated that patients with severe TBI who were intubated and mechanically ventilated are at greater risk of radiographic pulmonary lobar collapse that necessitates advanced directional suctioning and/or bronchoscopy. We sought to minimize the potentially deleterious effects of such lobar collapse by using a standardized pulmonary hygiene protocol.MethodsWe performed a retrospective comparison of lobar collapse incidence among three groups over 21 months: patients without severe TBI who were intubated and mechanically ventilated for greater than 24 hours (i.e. “NO TBI”); patients with severe TBI who were intubated and mechanically ventilated for greater than 24 hours who were not treated with a standardized pulmonary hygiene protocol (i.e. historical “CONTROL”); and patients with severe TBI who were intubated and mechanically ventilated for greater than 24 hours and who were treated with a standardized pulmonary hygiene protocol (i.e. “HYGIENE”). Our analysis excluded patients who had any significant neck injury as we had previously found that pulmonary complications are increased in this subpopulation.ResultsWe reviewed the charts of 310 trauma patients (NO TBI = 104, CONTROL = 101, HYGIENE = 105) and analyzed demographics, injury severity and outcomes, including the incidence of pulmonary lobar collapse. Pulmonary hygiene protocol demonstrated a significant reduction in the incidence of lobar collapse among the HYGIENE group compared to CONTROL, approximating the incidence among patients with no TBI (11% vs 27% vs 10%, respectively, p = 0.0009). No significant difference was noted in ventilator days, intensive care unit length of stay, hospital length of stay, mortality, nor incidence of pneumonia. ConclusionHigh-risk TBI patients have a predilection towards the development of pulmonary lobar collapse, which can be significantly reduced by the use of a standardized pulmonary hygiene protocol.
Highlights
Traumatic brain injury (TBI) is a cause of significant death and disability with a worldwide annual incidence of 10 million and steadily increasing incidence over the past decade [1,2,3]
We reviewed the charts of 310 trauma patients (NO TBI = 104, CONTROL = 101, HYGIENE = 105) and analyzed demographics, injury severity and outcomes, including the incidence of pulmonary lobar collapse
High-risk TBI patients have a predilection towards the development of pulmonary lobar collapse, which can be significantly reduced by the use of a standardized pulmonary hygiene protocol
Summary
Traumatic brain injury (TBI) is a cause of significant death and disability with a worldwide annual incidence of 10 million and steadily increasing incidence over the past decade [1,2,3]. Pneumonia occurs in up to 60% of patients with severe TBI (defined as Glasgow coma score [GCS]≤8) [7]. It often results from aspiration at the time of injury or as a result of mechanical ventilation. In addition to neurologic sequelae which may increase mortality risk, trauma patients suffering severe TBI (Glasgow Coma Score≤8) have a predilection for pulmonary complications. We sought to minimize the potentially deleterious effects of such lobar collapse by using a standardized pulmonary hygiene protocol
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