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CARDIOPULMONARY BYPASS INDUCES ENDURING ALTERATIONS TO HOST NEUTROPHIL PHYSIOLOGY

Overview of attention for article published in Shock, December 2008
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Title
CARDIOPULMONARY BYPASS INDUCES ENDURING ALTERATIONS TO HOST NEUTROPHIL PHYSIOLOGY
Published in
Shock, December 2008
DOI 10.1097/shk.0b013e318173e717
Pubmed ID
Authors

Yoke Lin Fung, Christopher C. Silliman, Robyn M. Minchinton, Peter Wood, John F. Fraser

Abstract

Studies during and immediately post-cardiopulmonary bypass (CPB) surgery have revealed that neutrophils (PMNs) are pivotal to post-CPB inflammation and innate immunity. The aim of this study was to investigate the effects of CPB on the PMN phenotype and respiratory burst function over a longer post-CPB period (up to day 5). Blood samples were collected pre-CPB and on days 1, 3, and 5 post-CPB from 20 patients. Changes to PMN surface expression of CD16, CD62L, CD11b, CD18, and CD43, and PMN respiratory burst activity were measured, together with the white blood cell count and absolute PMN count. Cardiopulmonary bypass induced neutrophilia on days 1 and 3. One day post-CPB, CD16 expression reached a nadir (P = 0.001), and platelet-activating factor-induced CD18 increase was depressed (P < 0.05). Three days post-CPB, CD43 expression peaked (P < 0.05), with a concomitant resistance to N-formyl-Met-Leu-Phe-induced CD11b upregulation (P < 0.05). The PMN respiratory burst activity declined continuously post-CPB until day 5. Neutrophilia on days 1 and 3 was associated with changes to surface molecules expression that may reduce PMN activation response. This study demonstrated that CPB depresses the respiratory burst activity of host PMNs for an extraordinarily longer period of at least 5 days even after neutrophilia had resolved. Collectively, the changes portray an autoprotective yet responsive homeostatic balance.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 14 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Canada 1 7%
Unknown 13 93%

Demographic breakdown

Readers by professional status Count As %
Researcher 4 29%
Other 2 14%
Student > Master 2 14%
Professor 1 7%
Lecturer 1 7%
Other 2 14%
Unknown 2 14%
Readers by discipline Count As %
Medicine and Dentistry 10 71%
Immunology and Microbiology 1 7%
Psychology 1 7%
Unknown 2 14%
Attention Score in Context

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 03 July 2013.
All research outputs
#22,758,309
of 25,373,627 outputs
Outputs from Shock
#2,989
of 3,259 outputs
Outputs of similar age
#173,891
of 179,596 outputs
Outputs of similar age from Shock
#22
of 29 outputs
Altmetric has tracked 25,373,627 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 3,259 research outputs from this source. They receive a mean Attention Score of 3.0. 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 179,596 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 29 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.