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Assessment of sepsis-induced immunosuppression at ICU discharge and 6 months after ICU discharge

Overview of attention for article published in Annals of Intensive Care, August 2017
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Title
Assessment of sepsis-induced immunosuppression at ICU discharge and 6 months after ICU discharge
Published in
Annals of Intensive Care, August 2017
DOI 10.1186/s13613-017-0304-3
Pubmed ID
Authors

Violette Zorio, Fabienne Venet, Benjamin Delwarde, Bernard Floccard, Guillaume Marcotte, Julien Textoris, Guillaume Monneret, Thomas Rimmelé

Abstract

Increase in mortality and in recurrent infections in the year following ICU discharge continues in survivors of septic shock, even after total clinical recovery from the initial septic event and its complications. This supports the hypothesis that sepsis could induce persistent long-term immune dysfunctions. To date, there is almost no data on ICU discharge and long-term evolution of sepsis-induced immunosuppression in septic shock survivors. The aim of this study was to assess the persistence of sepsis-induced immunosuppression by measuring expression of human leukocyte antigen DR on monocytes (mHLA-DR), CD4+ T cells, and regulatory T cells (Treg) at ICU discharge and 6 months after ICU discharge in patients admitted to the ICU for septic shock. In this prospective observational study, septic shock survivors with no preexisting immune suppression or treatment interfering with the immune system were included. mHLA-DR, CD4+ T cells, and Treg expression were assessed on day 1-2, 3-4, and 6-8 after ICU admission, at ICU discharge, and 6 months after ICU discharge. A total of 40 patients were enrolled during their ICU stay: 21 males (52.5%) and 19 females, median age 68 years (IQR 58-77), median SOFA score on day 1-2 was 8 (IQR 7-9), and median ICU length of stay was 11 days (IQR 7-24). Among these 40 patients, 33 were studied at ICU discharge and 15 were disposed for blood sampling 6 months after ICU discharge. On day 1-2, mHLA-DR expression was abnormally low for all patients [median 4212 (IQR 2640-6047) AB/C] and remained abnormally low at ICU discharge for 75% of them [median 10,281 (IQR 7719-13,035) AB/C]. On day 3-4, 46% of patients presented CD4+ lymphopenia [median 515 (IQR 343-724) mm(-3)] versus 34% at ICU discharge [median 642 (IQR 459-846) mm(-3)]. Among patients with a 6-month blood sample, normal values of mHLA-DR were found for all patients [median 32,616 (IQR 24,918-38,738) AB/C] except for one and only another one presented CD4+ lymphopenia. While immune alterations persist at ICU discharge, there is, at cellular level, no persistent immune alterations among septic shock survivors analyzed 6 months after ICU discharge.

Mendeley readers

The data shown below were compiled from readership statistics for 22 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 22 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 5 23%
Researcher 3 14%
Student > Postgraduate 3 14%
Student > Ph. D. Student 2 9%
Other 2 9%
Other 1 5%
Unknown 6 27%
Readers by discipline Count As %
Medicine and Dentistry 5 23%
Immunology and Microbiology 3 14%
Biochemistry, Genetics and Molecular Biology 2 9%
Agricultural and Biological Sciences 1 5%
Nursing and Health Professions 1 5%
Other 3 14%
Unknown 7 32%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 23 August 2017.
All research outputs
#10,330,705
of 11,648,047 outputs
Outputs from Annals of Intensive Care
#412
of 455 outputs
Outputs of similar age
#253,069
of 302,153 outputs
Outputs of similar age from Annals of Intensive Care
#22
of 27 outputs
Altmetric has tracked 11,648,047 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 455 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.1. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 302,153 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 27 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.