Shahin Mohseni1,2, Bo-Michael Bellander3, Louis Riddez1, Peep Talving4, Eric P Thelin3. 1. a Division of Trauma and Emergency Surgery, Department of Surgery , Karolinska University Hospital , Stockholm , Sweden. 2. b Division of Trauma and Emergency Surgery, Department of Surgery , Orebro University Hospital , Orebro , Sweden. 3. c Department of Clinical Neuroscience, Section for Neurosurgery , Karolinska Institute , Stockholm , Sweden. 4. d Department of Surgery , Tartu University Hospital Department of Surgery , Tartu , Estonia.
Abstract
OBJECTIVE: To investigate the association between positive blood alcohol level (BAL) and functional outcome in patients suffering severe traumatic brain injury. STUDY DESIGN: The brain trauma registry of an academic trauma centre was queried for patients admitted between January 2007 and December 2011. All patients (≥ 18 years) with a neurosurgical intensive care length of stay beyond 2 days were included. Patient demographics, clinical characteristics, injury profile, laboratory test and outcomes were abstracted for analysis. Primary outcome was unfavourable functional outcome defined as Glasgow Outcome Score (GOS) ≤ 3. Multivariable regression models were used for analysis. RESULTS: Of the 352 patients, 39% were BAL (+) at admission. Patients with (+) BAL were significantly younger with less co-morbidities. The cohorts exhibited no significant difference in the severity of the intra-cranial injury and the use of intra-cranial monitoring or surgical interventions. Further, the groups presented no difference in in-hospital mortality (p = 0.1) or 1-year mortality (p = 0.5). There was a worse long-term functional outcome in (-) BAL patients compared to their BAL (+) counterparts after adjustment for confounders (GOS ≤ 3: AOR = 2.0, 95% CI = 1.1-3.5, p = 0.02). CONCLUSION: Positive BAL on admission is associated with a better long-term functional outcome in patients suffering severe traumatic brain injury.
OBJECTIVE: To investigate the association between positive blood alcohol level (BAL) and functional outcome in patients suffering severe traumatic brain injury. STUDY DESIGN: The brain trauma registry of an academic trauma centre was queried for patients admitted between January 2007 and December 2011. All patients (≥ 18 years) with a neurosurgical intensive care length of stay beyond 2 days were included. Patient demographics, clinical characteristics, injury profile, laboratory test and outcomes were abstracted for analysis. Primary outcome was unfavourable functional outcome defined as Glasgow Outcome Score (GOS) ≤ 3. Multivariable regression models were used for analysis. RESULTS: Of the 352 patients, 39% were BAL (+) at admission. Patients with (+) BAL were significantly younger with less co-morbidities. The cohorts exhibited no significant difference in the severity of the intra-cranial injury and the use of intra-cranial monitoring or surgical interventions. Further, the groups presented no difference in in-hospital mortality (p = 0.1) or 1-year mortality (p = 0.5). There was a worse long-term functional outcome in (-) BAL patients compared to their BAL (+) counterparts after adjustment for confounders (GOS ≤ 3: AOR = 2.0, 95% CI = 1.1-3.5, p = 0.02). CONCLUSION: Positive BAL on admission is associated with a better long-term functional outcome in patients suffering severe traumatic brain injury.
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