• Motohiro Sekino, Hiroyuki Funaoka, Shuntaro Sato, Kyoko Okada, Haruka Inoue, Rintaro Yano, Sojiro Matsumoto, Taiga Ichinomiya, Ushio Higashijima, Shuhei Matsumoto, and Tetsuya Hara.
• Division of Intensive Care, Nagasaki University Hospital, 1-7-1 Sakamoto, Nagasaki 852-8501, Japan. Electronic address: m-sekino@nagasaki-u.ac.jp.
• J Crit Care. 2017 Dec 1; 42: 92-100.

PurposeWe sought to evaluate the levels of intestinal fatty acid-binding protein (I-FABP), a biomarker of enterocyte injury, as a predictor of 28-day mortality and bowel ischemia in septic shock patients.Material And MethodsIn this preliminary prospective observational study, 57 adult septic shock patients under mechanical ventilation were enrolled. Serum I-FABP levels and prognostic biomarkers were recorded upon intensive care unit (ICU) admission.ResultsThe overall 28-day mortality rate of participants was 23% (13/57). Non-survivors displayed significantly higher lactate (p=0.009), I-FABP (p=0.012), and N-terminal pro-B-type natriuretic peptide (p=0.039) levels compared to survivors. Only I-FABP was associated with 28-day mortality (odds ratio, 1.036; 95% confidence interval, 1.003-1.069; p=0.031) in a multiple logistic regression analysis adjusted for the Acute Physiology and Chronic Health Evaluation II score. When divided into low and high I-FABP groups based on the optimum cut-off value of 19.0ng/mL for predicting 28-day mortality, high-I-FABP patients had a significantly higher incidence of non-occlusive mesenteric ischemia (NOMI) (2% [1/43] vs 29% [4/14]; p=0.011).ConclusionsI-FABP level at ICU admission can serve as a predictor of 28-day mortality in septic shock patients and is associated with the incidence of NOMI.Copyright © 2017 Elsevier Inc. All rights reserved.

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