CD4+CD28null T Lymphocytes are Associated with the Development of Atrial Fibrillation after Elective Cardiac Surgery.

Abstract:

:Post-operative atrial fibrillation (POAF) is postulated as a complex interaction of different pathogenic factors, suggesting inflammatory processes as a main trigger of this particular type of atrial fibrillation. Therefore, the study sought to assess the impact of cellular immunity on the development of POAF. Comparing patients developing POAF to individuals free of POAF the fraction of CD4+CD28null T Lymphocytes was significantly higher in individuals developing POAF (11.1% [POAF] vs. 1.9% [non-POAF]; p < 0.001). CD4+CD28null cells were independently associated with the development of POAF with an adjusted odds ratio per one standard deviation of 4.89 (95% CI: 2.68-8.97; p < 0.001). Compared to N-terminal Pro-Brain Natriuretic Peptide, the fraction of CD4+CD28null cells demonstrated an increased discriminatory power for the development of POAF (NRI: 87.9%, p < 0.001; IDI: 30.9%, p < 0.001). Interestingly, a pre-operative statin-therapy was associated with a lower fraction of CD4+CD28null cells (p < 0.001) and showed an inverse association with POAF (p < 0.001). CD4+CD28null cells proved to be predictive for the development of POAF after cardiac surgery. Our results potentially indicate an auto-immune impact of this preexisting, highly cytotoxic T cell subset in the pathogenesis of POAF, which might be modified via the anti-inflammatory potential of a pre-operative statin-therapy.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Sulzgruber P,Thaler B,Koller L,Baumgartner J,Pilz A,Steininger M,Schnaubelt S,Fleck T,Laufer G,Steinlechner B,Winter MP,Goliasch G,Wojta J,Niessner A

doi

10.1038/s41598-018-28046-0

subject

Has Abstract

pub_date

2018-06-25 00:00:00

pages

9624

issue

1

issn

2045-2322

pii

10.1038/s41598-018-28046-0

journal_volume

8

pub_type

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