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dc.contributor.authorGantner, Dashiell C-
dc.contributor.authorBailey, Michael-
dc.contributor.authorPresneill, Jeffrey-
dc.contributor.authorFrench, Craig J-
dc.contributor.authorNichol, Alistair-
dc.contributor.authorLittle, Lorraine-
dc.contributor.authorBellomo, Rinaldo-
dc.identifier.citationAnnals of surgery 2018; 267(3): 585-589-
dc.description.abstractWe aimed to assess whether the dosing regimen of erythropoietin shows a relationship to mortality in critically ill patients with traumatic brain injury (TBI). Erythropoietin may decrease mortality in patients with TBI; however, the optimal dosing regimen remains uncertain. We conducted a post-hoc analysis of a multicenter, randomized trial of weekly erythropoietin versus placebo in patients with moderate and severe TBI admitted to intensive care. We assessed whether the cumulative dosage of erythropoietin was differentially associated with all-cause patient mortality evaluated at 6 months after injury. There was a nonlinear relationship between dose and mortality (P = 0.008) that remained after adjustment for site and severity of illness (P = 0.01). Six-month mortality was lower in randomized patients who received 1 [adjusted hazard ratio (HR) 0.58, 95% confidence interval (CI) 0.33-1.01; P = 0.06] or 2 doses of erythropoietin (HR 0.31, 95% CI 0.12-0.80; P = 0.02) compared with those who received no doses. No benefit was seen with 3 doses (HR 1.55, 95% CI 0.66-3.62; P = 0.33). There was no differential effect of dose on functional neurological outcomes. Results across subgroups and secondary intention to treat analyses were consistent with primary findings. This post-hoc, hypothesis-generating analysis found potential reductions in mortality following 1 or 2 weekly doses of 40,000 IU of erythropoietin in intensive care unit patients with moderate or severe TBI, but not with 3 doses. These findings will inform the design of future trials of erythropoietin in critically ill patients with TBI and trauma.-
dc.titleErythropoietin to Reduce Mortality in Traumatic Brain Injury: A Post-hoc Dose-effect Analysis.-
dc.typeJournal Article-
dc.identifier.journaltitleAnnals of surgery-
dc.identifier.affiliationAustralian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia-
dc.identifier.affiliationDepartment of Intensive Care and Hyperbaric Medicine, The Alfred, Melbourne, Victoria, Australia-
dc.identifier.affiliationDepartment of Intensive Care, Royal Melbourne Hospital, Melbourne, Victoria, Australia-
dc.identifier.affiliationUniversity of Melbourne, Melbourne, Victoria, Australia-
dc.identifier.affiliationDepartment of Intensive Care, Western Health, Melbourne, Victoria, Australia-
dc.identifier.affiliationSchool of Medicine and Medical Sciences, University College Dublin, Dublin, Ireland-
dc.identifier.affiliationDepartment of Intensive Care, Austin Health, Heidelberg, Victoria, Australia-
dc.type.austinJournal Article-
item.fulltextNo Fulltext-
item.openairetypeJournal Article-
item.openairecristype Care- Analytics Research and Evaluation (DARE) Centre-
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