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Clin Res Cardiol. 2012 Jul;101(7):525-31. doi: 10.1007/s00392-012-0422-8. Epub 2012 Feb 5.

Clues to detect tumor necrosis factor receptor-associated periodic syndrome (TRAPS) among patients with idiopathic recurrent acute pericarditis: results of a multicentre study.

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1
Interdepartmental Research Center of Systemic Autoimmune and Autoinflammatory Diseases, Rheumatology Unit, Policlinico Le Scotte, University of Siena, Italy. cantariniluca@hotmail.com

Abstract

BACKGROUND:

The potential clinical expression of tumor necrosis factor receptor-associated periodic syndrome (TRAPS), in the form of idiopathic recurrent acute pericarditis (IRAP) has not been explored in the medical literature. The aim of this study was to evaluate the incidence of TRAPS mutations in patients with recurrent pericarditis and identify possible clues to TRAPS diagnosis.

METHODS:

Therefore, 131 consecutive Caucasian IRAP patients were investigated for mutations of the TRAPS gene and prospectively evaluated.

RESULTS:

Out of 131 patients, 8 (6.1%) carried a mutation in the TNFRSF1A gene. Compared with those without genetic mutations, patients with TRAPS mutations had more frequently a positive family history for pericarditis and periodic fever syndromes (p < 0.001), a higher mean number of recurrences after the first year (p < 0.001), on colchicine treatment (p < 0.001), and a higher need of immunosuppressive therapies (p < 0.001).

CONCLUSION:

TRAPS is a cause of recurrent pericarditis in 6% of unselected cases with recurrent pericarditis. A positive family history for pericarditis or periodic fever syndromes, a poor response to colchicine, recurrences after the first year from the index attack or on colchicine treatment, as well as the need of immunosuppressive agents are clues of the possible presence of TNFRSF1A gene mutations in patients with recurrent pericarditis.

PMID:
22311714
DOI:
10.1007/s00392-012-0422-8
[Indexed for MEDLINE]
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