Demographic and clinical characteristics of patients with α-antitrypsin deficiency genotypes PI*ZZ and PI*SZ in the Spanish registry of EARCO.

Background: The Spanish registry of α-antitrypsin deficiency (AATD) integrated in the European Alpha-1 Research Collaboration (EARCO) provides information about the characteristics of patients, in particular those with the PI*SZ genotype, which is frequent in Spain.

Method: Individuals with severe AATD defined as proteinase inhibitor (PI) genotypes PI*ZZ, PI*SZ and other rare deficient variants were included from February 1, 2020, to February 1, 2022. The analysis focused on a comparison of the characteristics of PI*ZZ and PI*SZ patients.

Sarcoidosis. Disease progression based on radiological and functional course: Predictive factors.

Background: Sarcoidosis is a multiorgan granulomatous disease with a variable course.

Oobjectives: The purpose of this study is to identify the patients that are more likely to experience disease progression.

Methods: A retrospective study in patients ≥18 years.