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Streptococcus pneumoniae serotypes isolated from the middle ear of Mexican children diagnosed with acute otitis media / Serotipificación de Streptococcus pneumoniae aislados de líquido de oído medio en niños mexicanos con diagnóstico de otitis media aguda
Gómez-Barreto, Demóstenes; Monteros, Luz Elena Espinosa de los; López-Enríquez, Claudia; Suarez, Romeo Rodríguez; Torre, Carlos de la.
  • Gómez-Barreto, Demóstenes; Hospital Infantil de México Federico Gómez. México. MX
  • Monteros, Luz Elena Espinosa de los; Hospital General. México. MX
  • López-Enríquez, Claudia; Unidad de Enfermedades Infecciosas. Hospital Español. México. MX
  • Suarez, Romeo Rodríguez; Institutos Nacionales de Salud. México. MX
  • Torre, Carlos de la; Hospital Infantil de México Federico Gómez. México. MX
Salud pública Méx ; 53(3): 207-211, mayo-jun. 2011. tab
Article in English | LILACS | ID: lil-598661
ABSTRACT

OBJECTIVE:

The aim of this study was to identify the etiology and the serotypes of S. pneumoniae (Sp) in Mexican children with acute otitis media (AOM). MATERIALS AND

METHODS:

The study includessamples frompatientsdiagnosed with AOM at the Federico Gomez Children's Hospital of Mexico (2002-2003),with positive culture for Sp bacteriologically confirmed in middle ear fluid obtained by tympanocentesis. All Sp were serotyped. A total of 138 samples from 135 children with AOM were included.

RESULTS:

Sp was isolated in 72 samples from 70 children. Sixty (85.7 percent) were previously healthy and 10 (14.3 percent) were immunocompromised. The most common serotypes were 6B and 19F (16.67 percent), and 6 A, 14 and 23F (15.27 percent).

CONCLUSION:

The distribution of serotypes among the children with AOM in the study is similar to that reported in developing cities, and 63.9 percent of the isolated serotypes are found to be included in the 7-Valent Pneumococcal Conjugate Vaccine (PCV), 68.1 percent in the 10-Valent PCV and 83.3 percent in 13-Valent PCV.
RESUMEN

OBJETIVO:

Conocer la etiología y serotipos de S. pneumoniae (Sp) en niños mexicanos, con otitis media aguda (OMA). MATERIAL Y

MÉTODOS:

Se incluyeron las muestras de pacientes con OMA del Hospital Infantil de México Federico Gómez (2002-2003), con cultivo positivo para Sp, (bacteriológicamente confirmados en el líquido del oído medio obtenido por timpanocentesis). Todos los Sp. fueron serotipificados. Se incluyeron 138 muestras de 135 niños con OMA.

RESULTADOS:

Sp. se aisló en 72 muestras de 70 niños 60 (85.7 por ciento) eran previamente sanos y 10 (14.3 por ciento) eran inmunocomprometidos. Los serotipos más frecuentes fueron 6B y 19F (16.67 por ciento), y 6 A, 14 y 23F (15.27 por ciento).

CONCLUSIONES:

La distribución de los serotipos en niños con otitis media aguda fue similar a la reportada en ciudades en desarrollo y se observó que 63.9 por ciento de los serotipos aislados están incluidos en la vacuna conjugada 7-valente, 68.1 por ciento en la 10-valente y 83.3 por ciento en la 13-valente.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Otitis Media / Pneumococcal Infections / Streptococcus pneumoniae / Ear, Middle Type of study: Diagnostic study / Observational study / Prevalence study / Risk factors Limits: Child / Child, preschool / Humans / Infant Country/Region as subject: Mexico Language: English Journal: Salud pública Méx Journal subject: Public Health Year: 2011 Type: Article Affiliation country: Mexico Institution/Affiliation country: Hospital General/MX / Hospital Infantil de México Federico Gómez/MX / Institutos Nacionales de Salud/MX / Unidad de Enfermedades Infecciosas/MX

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Full text: Available Index: LILACS (Americas) Main subject: Otitis Media / Pneumococcal Infections / Streptococcus pneumoniae / Ear, Middle Type of study: Diagnostic study / Observational study / Prevalence study / Risk factors Limits: Child / Child, preschool / Humans / Infant Country/Region as subject: Mexico Language: English Journal: Salud pública Méx Journal subject: Public Health Year: 2011 Type: Article Affiliation country: Mexico Institution/Affiliation country: Hospital General/MX / Hospital Infantil de México Federico Gómez/MX / Institutos Nacionales de Salud/MX / Unidad de Enfermedades Infecciosas/MX