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Acute gastrointestinal injury in the intensive care unit: a retrospective study

Authors Chen HS, Zhang HD, Li W, Wu SN, Wang W

Received 21 July 2015

Accepted for publication 20 August 2015

Published 5 October 2015 Volume 2015:11 Pages 1523—1529

DOI https://doi.org/10.2147/TCRM.S92829

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Hoa Le

Peer reviewer comments 3

Editor who approved publication: Professor Deyun Wang

HuaiSheng Chen,1,* HuaDong Zhang,1,* Wei Li,1 ShengNan Wu,1 Wei Wang2

1Intensive Care Unit, 2Endocrinology Department, Second Affiliated Hospital of Jinan University, Shenzhen People’s Hospital, Shenzhen, People’s Republic of China

*These authors contributed equally to this work

Background: Acute gastrointestinal injury (AGI) is a common problem in the intensive care unit (ICU). This study is a review of the gastrointestinal function of patients in critical care, with the aim to assess the feasibility and effectiveness of grading criteria developed by the European Society of Intensive Care Medicine (ESICM) Working Group on Abdominal Problems (WGAP).
Methods: Data of patients who were admitted to the ICU of Shenzhen People’s Hospital, Shenzhen, People’s Republic of China, from January 2010 to December 2011 were reviewed. A total of 874 patients were included into the current study. Their sex, age, ICU admissive causes, complication of diabetes, AGI grade, primary or secondary AGI, mechanical ventilation (MV), and length of ICU stay (days) were recorded as risk factors of death. These risk factors were studied by unconditioned logistic regression analysis.
Results: All the risk factors affected mortality rate. Unconditional logistic regression analysis revealed that the mortality rate of secondary AGI was 71 times higher than primary AGI (odds ratio [OR] 4.335, 95% CI [1.652, 11.375]). When the age increased by one year, the mortality probability would increase fourfold. Mortality in patients with MV was 63-fold higher than for patients with non-MV. Mortality rate increased 0.978 times with each additional day of ICU stay.
Conclusion: Secondary AGI caused by severe systemic conditions can result in worsened clinical outcomes. The 2012 ESICM WGAP AGI recommendations were to some extent feasible and effective in guiding clinical practices, but the grading system lacked the support of objective laboratory outcomes.

Keywords: critical care, acute gastrointestinal injury, mortality

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