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Revista Cubana de Pediatría

versión impresa ISSN 0034-7531versión On-line ISSN 1561-3119

Resumen

DIAZ ALVAREZ, Manuel et al. Clinical and epidemiological aspects of the infections caused by Streptococcus pyogenes in the neonatal period. Rev Cubana Pediatr [online]. 2008, vol.80, n.1. ISSN 0034-7531.

INTRODUCTION. The objective of the present investigation was to describe the clinical and epidemiological characteristics of the infection caused by group A Streptococcus in the newborn infants discharged from maternal hospitals. METHODS. A descriptive study that included consecutive newborn infants who had infections caused by group A Streptococcus and that were admitted in the neonatology service of "Juan M. Márquez" Pediatric Teaching Hospital between 1992 and 2005 was carried out. Different clinical and epidemiological variables were processed and analyzed by calculating the incidence and lethality rates. RESULTS. 20 newborn infants with infection caused by group A Streptococcus were registered, accounting for an annual average rate of 0.2 per 100 admissions. This infection shows an incidence with a significant trend to decrease in the last years. According to the classification used, all the infections had a late onset, and regarding their origin those acquired in the community prevailed (95.0 %). The infection of the soft tissues was the most common clinical form (10 of 20; 50 %) and evolved with bacteremia. The isolations of group A Streptococcus has 100 % of sensitivity to betalactamics. Only one patient affected with meningitis died, which represented a lethality rate of 5.0 %. CONCLUSIONS. The group A Streptococcus is an agent causing infections that affect the newborn infant, mainly in the community environment. These infections may be lethal in some patients with infection of the central nervous system, in spite of the pattern of elevated susceptibility to betalactamics.

Palabras clave : Streptococcus pyogenes; incidence rate; infection acquired in the community; newborn infants; infection of soft tissues; bacteremia.

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