• Hassan Rafiezadeh Shahi, Mehrdad Vahedian, Mitra Movahedi, Kambiz Bahaadinbeigy, Morteza Hashemian, and Amirhossein Mirafzal.
• Department of Emergency Medicine, Kerman University of Medical Sciences, Kerman, Iran.
• Burns. 2018 May 1; 44 (3): 709-717.

ObjectivesTo evaluate whether measuring serum albumin levels in clinical assessments affects the accuracy of mortality predictions in large burns and to compare patients' serum albumin levels at hour 0(Alb0h) and hour 24(Alb24h) following their admission.MethodsThis prospective observational study was performed at an academic burn unit. Aged between 16 and 65, patients who presented with burns on more than 20% of total body surface area (%TBSA) were included. Patients with severe comorbidities, concomitant trauma or referred from other centres were excluded from the study. The main variables in the study were Alb0h, Alb24h and Abbreviated Burn Severity Index (ABSI) scores. The primary outcome was in-hospital mortality.ResultsIn a population of 105 patients, %TBSA, being female, inhalational injury, Alb0h, Alb24h and ABSI score (p<0.001) and the presence of a full thickness injury (p=0.008) were associated with mortality. In the multivariable analysis, ABSI scores and Alb24h remained in the model (OR, 2.32 and 0.06, respectively). The area under curves (AUCs) were 0.94, 0.97 and 0.97 for ABSI, ABSI+Alb0h and ABSI+Alb24h, respectively. No significant difference among the AUCs was seen, but adding Alb0h and Alb24h improved the mortality predictions of ABSI by 5 (4.7%) and 4 (3.8%) patients, respectively. Alb0h (at 3.5g/dL) and Alb24h (at 2.4g/dL) showed 84-85% and 88-85% sensitivity-specificity for mortality, respectively.ConclusionMeasuring serum albumin levels in clinical assessments slightly increases the accuracy of mortality predictions; however, different cut-off points for Alb0h and Alb24h needs to be considered to avoid interpretation errors.Copyright © 2017 Elsevier Ltd and ISBI. All rights reserved.

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