Document Detail

The Role of the Immunogenetic Background in the Development and Recurrence of Acute Idiopathic Pericarditis.
MedLine Citation:
PMID:  21411999     Owner:  NLM     Status:  Publisher    
Objectives: We assessed the role of the immunogenetic background in the development and recurrence of acute idiopathic pericarditis (AIP). Methods: Fifty-five patients with a first episode of AIP were followed for 23.8 ± 6.3 months and recurrences were recorded. The control group consisted of 246 healthy individuals. In all subjects, genomic human leukocyte antigen (HLA) typing was performed. Moreover, circulating lymphocyte subpopulations were studied in 44 randomly selected patients and in 20 controls. Results: An increased frequency of HLA-A*02, -Cw*07 and -DQB1*0202 alleles, and a decreased frequency of the -DQB1*0302 allele was detected in patients with AIP. The recurrence rate was 40% and time to recurrence was 202.8 ± 164.1 days. In patients with idiopathic recurrent pericarditis (RP), increased frequencies of HLA-A*02, -Cw*07 and -DQB1*0202 alleles were found. Notably, no patient with RP exhibited HLA-DRB1*04 and -DQB1*0302 alleles. Patients with RP exhibited lower CD4+/CD45RA+ naïve T cells (p = 0.03) than controls, and higher CD8+DR+ activated T cells (p = 0.01) than patients without recurrence and controls. Conclusions: HLA alleles may confer either susceptibility or resistance to AIP and RP. Circulating T-cell subpopulations may also predict RP. A combination of the above parameters might help to better define patients prone to recurrence.
George Lazaros; Apostolos Karavidas; Maria Spyropoulou; Dimitrios Tsiachris; Antonios Halapas; Achilleas Zacharoulis; Sophia Arapi; Vasiliki Matzaraki; Kostantinos Papadopoulos; Dimitrios Korres; Aliki Iniotaki; Vlassis Pyrgakis; Christodoulos Stefanadis
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-17
Journal Detail:
Title:  Cardiology     Volume:  118     ISSN:  1421-9751     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  1266406     Medline TA:  Cardiology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  55-62     Citation Subset:  -    
Copyright Information:
Copyright © 2011 S. Karger AG, Basel.
First Department of Cardiology, Hippokration Hospital, University of Athens, Athens, Greece.
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