Transient postprandial ischemia is associated with increased intestinal fatty acid binding protein in patients with chronic gastrointestinal ischemia

Peter B.F. Mensink*, Lieke Hol, Nicole Borghuis-Koertshuis, Robert H. Geelkerken, Ard B. Huisman, Cees J.A. Doelman, Adriana J. Van Vuuren, Ernst J. Kuipers, Jeroen J. Kolkman

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

10 Citations (Scopus)

Abstract

Background Chronic gastrointestinal ischemia (CGI) is still a difficult diagnosis to make. Currently, the only diagnostic with an acceptable sensitivity for actual mucosal ischemia is gastrointestinal tonometry. However, tonometry is a cumbersome and invasive diagnostic test We are in need of a more simple, noninvasive test for diagnosing mucosal ischemia. A sensitive and early serum marker could be of great use in this setting. The aim of this study was to evaluate the use of promising serum markers for mucosal ischemia [intestinal fatty acid binding protein (I-FABP), D-lactate, and lipopolysaccharide] and compared findings with corresponding gastrointestinal tonometry measurements. Methods Patients referred for evaluation of CGI were included. All patients had visualization of abdominal arteries and gastrointestinal tonometry. Before, during, and after tonometry blood samples were drawn for measurements of serum markers. Results Forty-nine patients were eligible for evaluation. CGI was diagnosed in 24 (49%) patients. The baseline measurements showed a significant increase in I-FABP before exercise tonometry in the abnormal-response groups compared with the normal-response group, respectively, 0.45 and 1.3μg/I (P= 0.04). An abnormal response on meal tonometry was associated with increased I-FABP levels, 1, 2, and 4 h after tonometry, compared with the patients with a normal response, respectively, 1.26, 1.11, and 0.58 μg/I (P= 0.048, 0.01, and 0.03). The measurements of D-lactate and lipopolysaccharide were undetectable, or low, at all different points of time. Conclusion Transient postprandial mucosal ischemia, as detected with gastrointestinal tonometry, is associated with increased I-FABP levels, indicating epithelial damage. Late markers for mucosal ischemia remained negative.

Original languageEnglish
Pages (from-to)278-282
Number of pages5
JournalEuropean Journal of Gastroenterology and Hepatology
Volume21
Issue number3
DOIs
Publication statusPublished - 1 Mar 2009
Externally publishedYes

Keywords

  • Chronic gastrointestinal ischemia
  • D-lactate
  • Intestinal fatty acid binding protein
  • Lipopolysaccharide
  • Tonometry

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