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Intestinal Fatty Acid Binding Protein: A Sensitive Marker in Abdominal Surgery and Abdominal Infection.

Abstract：

BACKGROUND:Intestinal fatty acid binding protein (iFABP) is elevated in plasma by intestinal injury. We investigated the influence of surgical trauma and severe sepsis caused by abdominal and pulmonary infection on plasma iFABP concentrations. METHODS:Seventy-nine patients were included in this prospective observational study: 31 patients before elective major abdominal surgery (EMS), 33 patients with severe sepsis on admission to the intensive care unit (ICU), and 15 healthy volunteers who served as controls. Blood samples were taken before and after surgery for a period up to 5 d. RESULTS:Prior to surgery, EMS patients had increased iFABP concentrations in those patients with intestinal cancer compared with patients without intestinal cancer (217 pg/mL, interquartile range [IQR] I-III 100-369 pg/mL versus 79 pg/mL, IQR I-III: 0-182 pg/mL; p<0.01) and with controls (114 pg/mL, IQR I-III: 103-124 pg/mL; p<0.01). Surgical trauma increased iFABP levels in patients without intestinal cancer (240 pg/mL, IQR I-III 111-305 pg/mL; p<0.01). Within 24 h after surgery, iFABP levels decreased to normal values. Patients with severe sepsis of abdominal origin had elevated concentrations compared with controls (324 pg/mL [IQR I-III 0-649 pg/mL]; p=0.05); in patients with pneumonia, iFABP levels were not significantly increased. Discrimination between intestinal- and pulmonary-induced sepsis was low (area under the curve [AUC] 0.693; 95% confidence interval 0.512-0.874). CONCLUSIONS:Surgical trauma and severe sepsis lead to elevated iFABP concentrations. However, intestinal malignant disease and in some patients severe sepsis caused by pneumonia also resulted in elevated iFABP concentrations. The results support the idea that epithelial injury of many causes leads to elevated concentrations of iFABP. The value of iFABP for differentiating pulmonary from intestinal sepsis is limited.

journal_name

Surg Infect (Larchmt)

journal_title

Surgical infections

authors

Bingold TM,Franck K,Holzer K,Zacharowski K,Bechstein WO,Wissing H,Scheller B

doi

10.1089/sur.2014.073

subject

Has Abstract

pub_date

2015-06-01 00:00:00

pages

247-53

issue

eissn

1096-2964

issn

1557-8674

journal_volume

pub_type

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Intestinal Fatty Acid Binding Protein: A Sensitive Marker in Abdominal Surgery and Abdominal Infection.