Pulmonary involvement in primary Sjögren's syndrome: contribution of the different means in the systematic investigation.

The prevalence of pulmonary involvement in primary Sjögren´s syndrome (pSS) varies depending on investigation methods. Our study aimed to identify the contribution of the different means of investigation in the systematic screening for pulmonary involvement in pSS. This is a retrospective and descriptive study including medical records of pSS patients, who validated the 2016 American College of Rheumatology/European League Against Rheumatism classification criteria for pSS and who had undergone pulmonary assessment.

Social class and metabolic syndrome in populations from Tunisia and Spain.

Background: There is an increasing prevalence of obesity and metabolic syndrome (MS) in developing countries. It has been shown the relationship between social class and MS in developed countries. The objective of our study was to compare the association of social class with the prevalence of MS in a developing country (Tunisia, region of Cap-Bon) and a developed one (Spain, Canary Islands).