Prognostic Implications of the Timing of ST-Elevation Myocardial Infarction Development in Relation to COVID-19 Infection.

Patients with ST-segment elevation myocardial infarction (STEMI) and COVID-19 infection have a worse clinical course and prognosis. The prognostic significance of the timing of STEMI in relation to COVID-19 infection was not investigated. To assess whether the time of STEMI development in relation to COVID-19 infection (concurrent or following the infection) influenced the short-term prognosis.

Tuberculosis incidence in elderly in Serbia: key trends in socioeconomic transition.

Aim: To examine tuberculosis incidence rates among the elderly in Central Serbia in 1992-2006 period, which was characterized by socioeconomic crisis and migration of population.

Methods: We analyzed all reported active tuberculosis cases in a 15-year period, especially among patients aged > or =65, according to the Annual Reports of the Institute of Lung Diseases and Tuberculosis in Belgrade and Central Tuberculosis Register. Population estimates with extrapolations were based on 1991 and 2002 census data.

Clinical features of lung cancer in patients with connective tissue diseases: a 10-year hospital based study.

Background: Connective tissue diseases (CTD) might be associated with various malignancies, and one of the most frequent is lung cancer (LC). Despite our understanding of pathogenesis, this association remains still unclear. The aim of the present study is to describe the clinical characteristics of patients with CTD who developed LC.