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Review
. 2016 Nov 20;129(22):2741-2744.
doi: 10.4103/0366-6999.193447.

Neutrophil Dysfunction in Sepsis

Fang Zhang  1 , An-Lei Liu  1 , Shuang Gao  2 , Shui Ma  3 , Shu-Bin Guo  3
Affiliations
Review

Neutrophil Dysfunction in Sepsis

Fang Zhang et al. Chin Med J (Engl). .

Abstract

Objective: Sepsis is defined as life-threatening organ dysfunction due to a dysregulated host response to infection. In this article, we reviewed the correlation between neutrophil dysfunction and sepsis.

Data sources: Articles published up to May 31, 2016, were selected from the PubMed databases, with the keywords of "neutrophil function", "neutrophil dysfunction", and "sepsis".

Study selection: Articles were obtained and reviewed to analyze the neutrophil function in infection and neutrophil dysfunction in sepsis.

Results: We emphasized the diagnosis of sepsis and its limitations. Pathophysiological mechanisms involve a generalized circulatory, immune, coagulopathic, and/or neuroendocrine response to infection. Many studies focused on neutrophil burst or cytokines. Complement activation, impairment of neutrophil migration, and endothelial lesions are involved in this progress. Alterations of cytokines, chemokines, and other mediators contribute to neutrophil dysfunction in sepsis.

Conclusions: Sepsis represents a severe derangement of the immune response to infection, resulting in neutrophil dysfunction. Neutrophil dysfunction promotes sepsis and even leads to organ failure. Mechanism studies, clinical practice, and strategies to interrupt dysregulated neutrophil function in sepsis are desperately needed.

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