Severe pericarditis as the first manifestation of a combination of genetic autoinflammatory disease and genetic anemia. Case report
Abstract
Pericarditis is one of the most common pericardial diseases. The activation of the NLRP3 (nucleotide-binding andoligomerization (NOD) like receptor (NLR) containing pyrin domain (NLRP) 3) inflammasome is central in the genesis of autoinflammatory pericarditis. Cryopyrin-associated periodic syndrome (CAPS) is a rare, heterogeneous disease associated with NLRP3 gene pathogenic variants and increased interleukin-1 (IL-1) secretion. Glucose-6-phosphate dehydrogenase (G6PD) deficiency in erythrocytes causes acute haemolytic anaemia during distress or chronic non responsive to iron anemia X-linked. We present the case of a male 1-year-9-months-old patient, with pericarditis and hemolytic anemia, diagnosed as inherited X-linked Glucose 6 Phosphate Dehydrogenase Deficiency p.[Val68Met;Asn126Asp] haplotype, and a heterozygous pathogenic variant in the NLRP3 gene: c.1315G>A/p.Ala439Thr compatible with Autosomal Dominant Cryopyrin Associated Periodic Syndrome. This is the first Paraguayan patient with a “de novo” autoinflammatory condition coexisting with a glucose 6-phosphate dehydrogenase deficiency.
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