Abstract

LEON, María E. et al. Streptococcus pneumoniae causative of invasive pneumococcal disease in adults. Paraguay (2013-2018). Rev. Soc. cient. Parag. [online]. 2018, vol.23, n.2, pp.263-274. ISSN 2617-4731.  https://doi.org/10.32480/rscp.2018-23-2.263-274.

Aim. Describe the frequency of S. pneumoniae isolates that cause invasive pneumococcal disease (ENI) in adults, the distribution of serotypes and their antimicrobial sensitivity in Paraguay during the period 2013-2018. The approach conforms a cross-sectional retrospective observational descriptive study in which a total of 269 strains of S. pneumoniae isolated in cerebrospinal fluid (CSF) (76/269), pleural fluid (174/269) and blood culture 19/269) were studied. the different sentinel centers and collaborators of the surveillance of bacterial meningitis and pneumonias in Paraguay during the period 2013 to September 2018. It was found that 28.0% of the cases corresponded to acute bacterial meningitis (MBA) (76/269), 65.0% to pneumonias (174/269) and 7.0% to sepsis (19/269). A higher frequency of cases was observed in adults over 60 years of age in MBA 29.0%, in pneumonia 46.0% and in sepsis 42.0%. The most frequent serotypes were 3 with 13.0% (34/269), 19A 10.0% (26/269), 14 with 5.0% (12/269), 12F with 4.0% (11/269) and NT with 6.0% (16/269). We found 43/269 (15.0%) serotypes included in PCV10, 118/269 (44.0%) included in PCV13 and 165/269 (61.0%) included in PCV23. In the cases of meningitis, they were detected 20 isolates of S. pneumoniae resistant to penicillin (38.5%). It can be conclude that continuous epidemiological surveillance is needed to assess the burden of disease and measure the impact of the vaccine in this population to understand the full magnitude of the ENI in Paraguay, including its economic impact, and define effective strategies to prevent it.

Keywords : Streptococcus pneumoniae; invasive pneumococcal disease; adults; Paraguay.

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