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1.
Arch. argent. pediatr ; 114(6): 508-513, dic. 2016. tab
Artigo em Inglês, Espanhol | LILACS, BINACIS | ID: biblio-838295

RESUMO

Introducción. Las infecciones por Staphylococcus aureus meticilino resistente adquirido en la comunidad son un problema grave y frecuente en pediatría. Objetivo. Describir la resistencia a los antibióticos enlas infecciones bacteriémicas por Staphylococcus aureus (SA) de la comunidad. Comparar las características de las infecciones bacteriémicas por SA según la resistencia a la meticilina. Material y métodos. Cohorte prospectiva entre enero de 2010 y diciembre de 2014. Criterios de inclusión: niños de entre 30 días y 16 años de edad hospitalizados en el Hospital de Pediatría J. P. Garrahan por infecciones adquiridas en la comunidad, con desarrollo de SA en hemocultivos. Criterios de exclusión: antecedente de internación reciente, asistencia a un centro relacionado con los cuidados de la salud, vivir en una comunidad cerrada o catéter venoso. Se compararon características microbiológicas, demográficas y clínicas según la sensibilidad a la meticilina. Análisis estadístico: Stata10. Resultados. Se incluyeron 208 niños; varones: 141 (68%). La mediana de edad fue 60 meses (rango intercuartilo 29-130). Tenían enfermedad de base 34 pacientes (16%). En 136 niños (65%), se identificó Staphylococcus aureus meticilino resistente. La resistencia a la clindamicina fue 9%. Se encontraron diferencias estadísticas significativas en la frecuencia de enfermedad subyacente, bacteriemia persistente, sepsis al momento del ingreso, foco secundario de infección, ingreso a unidades de cuidados intensivos y necesidad de cirugía. Fallecieron 12 pacientes (6%); todos tuvieron identificación de Staphylococcus aureus meticilino resistente adquirido en la comunidad. Conclusiones. En la cohorte estudiada, predominó el Staphylococcus aureus meticilino resistente. La resistencia a la clindamicina fue del 9%. Las infecciones por Staphylococcus aureus meticilino resistente adquirido en la comunidad predominaron en niños sanos. En los pacientes con Staphylococcus aureus meticilino resistente, fue más frecuente la bacteriemia persistente, el ingreso a unidades de cuidados intensivos y la cirugía.


Introduction. Community-acquired methicillin-resistant Staphylococcus aureus infections are a common, serious problem in pediatrics.Objective. To describe antibiotic resistance in community-acquired Staphylococcus aureus (SA) bacteremias. To compare the characteristics of SA bacteremias in terms of methicillin resistance.Material and methods. Prospective cohort enrolled between January 2010 and December 2014. Inclusion criteria: infants and children between 30 days old and 16 years old hospitalized at the Hospital de Pediatría J. P. Garrahan due to community-acquired infections with SA growth identification in blood cultures. Exclusion criteria: having a history of recent hospitalization, attending a health care facility, living in a closed community, or having a venous catheter. Microbiological, demographic, and clinical characteristics were compared in terms of methicillin susceptibility. Statistical analysis: Stata10.Results. A total of 208 children were included; boys: 141 (68%). Their median age was 60 months old (interquartile range: 29-130). Thirty-four patients (16%) had an underlying disease. Methicillin-resistant Staphylococcus aureus was identified in 136 children (65%). The rate of resistance to clindamycin was 9%. Significant statistical differences were observed in the rate of underlying disease, persistent bacteremia, sepsis at the time of admission, secondary source of infection, admission to the intensive care unit, and surgery requirement. Twelve patients (6%) died; community-acquired methicillin-resistant Staphylococcus aureus was identified in all of them.Conclusions. In the studied cohort, methicillin-resistant Staphylococcus aureus was predominant. The rate of resistance to clindamycin was 9%. Community-acquired methicillin-resistant Staphylococcus aureus infections prevailed among healthy children. Among patients with methicillin-resistant Staphylococcus aureusinfections there was a higher rate of persistent bacteremia, admission to the ICU and surgery


Assuntos
Humanos , Masculino , Lactente , Pré-Escolar , Criança , Adolescente , Infecções Estafilocócicas/microbiologia , Infecções Estafilocócicas/tratamento farmacológico , Staphylococcus aureus/efeitos dos fármacos , Bacteriemia/microbiologia , Bacteriemia/tratamento farmacológico , Fatores de Tempo , Testes de Sensibilidade Microbiana , Estudos de Coortes , Infecções Comunitárias Adquiridas/microbiologia , Infecções Comunitárias Adquiridas/tratamento farmacológico , Staphylococcus aureus Resistente à Meticilina
2.
Arch Argent Pediatr ; 114(6): 508-513, 2016 Dec 01.
Artigo em Inglês, Espanhol | MEDLINE | ID: mdl-27869407

RESUMO

INTRODUCTION: Community-acquired methicillin-resistant Staphylococcus aureus infections are a common, serious problem in pediatrics. OBJETIVE: To describe antibiotic resistance in community-acquired Staphylococcus aureus (SA) bacteremias. To compare the characteristics of SA bacteremias in terms of methicillin resistance. MATERIALS AND METHODS: Prospective cohort enrolled between January 2010 and December 2014. Inclusion criteria: infants and children between 30 days old and 16 years old hospitalized at the Hospital de Pediatria J. P. Garrahan due to community-acquired infections with SA growth identification in blood cultures. Exclusion criteria: having a history of recent hospitalization, attending a health care facility, living in a closed community, or having a venous catheter. Microbiological, demographic, and clinical characteristics were compared in terms of methicillin susceptibility. Statistical analysis: Stata10. RESULTS: A total of 208 children were included; boys: 141 (68%). Their median age was 60 months old (interquartile range: 29-130). Thirty-four patients (16%) had an underlying disease. Methicillin-resistant Staphylococcus aureus was identified in 136 children (65%). The rate of resistance to clindamycin was 9%. Significant statistical differences were observed in the rate of underlying disease, persistent bacteremia, sepsis at the time of admission, secondary source of infection, admission to the intensive care unit, and surgery requirement. Twelve patients (6%) died; community-acquired methicillin-resistant Staphylococcus aureus was identified in all of them. CONCLUSIONS: In the studied cohort, methicillin-resistant S taphylococcus aureus was predominant. The rate of resistance to clindamycin was 9%. Community-acquired methicillin-resistant Staphylococcus aureus infections prevailed among healthy children. Among patients with methicillin-resistant Staphylococcus aureus infections there was a higher rate of persistent bacteremia, admission to the ICU and surgery.


INTRODUCCIÓN: Las infecciones por Staphylococcus aureus meticilino resistente adquirido en la comunidad son un problema grave y frecuente en pediatría. OBJETIVO: Describir la resistencia a los antibióticos enlas infecciones bacteriémicas por Staphylococcus aureus (SA) de la comunidad. Comparar las características de las infecciones bacteriémicas por SA según la resistencia a la meticilina. Material y métodos. Cohorte prospectiva entre enero de 2010 y diciembre de 2014. Criterios de inclusión: niños de entre 30 días y 16 años de edad hospitalizados en el Hospital de Pediatría J. P. Garrahan por infecciones adquiridas en la comunidad, con desarrollo de SA en hemocultivos. Criterios de exclusión: antecedente de internación reciente, asistencia a un centro relacionado con los cuidados de la salud, vivir en una comunidad cerrada o catéter venoso. Se compararon características microbiológicas, demográficas y clínicas según la sensibilidad a la meticilina. Análisis estadístico: Stata10. RESULTADOS: Se incluyeron 208 niños; varones: 141 (68%). La mediana de edad fue 60 meses (rango intercuartilo 29-130). Tenían enfermedad de base 34 pacientes (16%). En 136 niños (65%), se identificó Staphylococcus aureus meticilino resistente. La resistencia a la clindamicina fue 9%. Se encontraron diferencias estadísticas significativas en la frecuencia de enfermedad subyacente, bacteriemia persistente, sepsis al momento del ingreso, foco secundario de infección, ingreso a unidades de cuidados intensivos y necesidad de cirugía. Fallecieron 12 pacientes (6%); todos tuvieron identificación de Staphylococcus aureus meticilino resistente adquirido en la comunidad. CONCLUSIONES: En la cohorte estudiada, predominó el Staphylococcus aureus meticilino resistente. La resistencia a la clindamicina fue del 9%. Las infecciones por Staphylococcus aureus meticilino resistente adquirido en la comunidad predominaron en niños sanos. En los pacientes con Staphylococcus aureus meticilino resistente, fue más frecuente la bacteriemia persistente, el ingreso a unidades de cuidados intensivos y la cirugía.


Assuntos
Bacteriemia/tratamento farmacológico , Bacteriemia/microbiologia , Infecções Estafilocócicas/tratamento farmacológico , Infecções Estafilocócicas/microbiologia , Staphylococcus aureus/efeitos dos fármacos , Criança , Pré-Escolar , Estudos de Coortes , Infecções Comunitárias Adquiridas/tratamento farmacológico , Infecções Comunitárias Adquiridas/microbiologia , Feminino , Humanos , Masculino , Staphylococcus aureus Resistente à Meticilina , Testes de Sensibilidade Microbiana , Fatores de Tempo
3.
Arch. argent. pediatr ; 114(4): e237-e240, ago. 2016. ilus
Artigo em Espanhol | LILACS, BINACIS | ID: biblio-838248

RESUMO

Staphylococcus aureus es uno de los principales agentes etiológicos de infecciones en niños provenientes de la comunidad y del ámbito hospitalario. La gravedad de estos cuadros se asocia a factores de virulencia, entre los que se encuentra la leucocidina de Panton-Valentine. Tanto Staphylococcus aureus resistente como sensible a la meticilina producen esta leucocidina, aunque con frecuencia variable. Presentamos a dos niños con infección grave por Staphylococcus aureus sensible a la meticilina productor de leucocidina de Panton-Valentine con complicaciones osteoarticulares y endovasculares. Es fundamental la sospecha diagnóstica, el tratamiento antibiótico adecuado y el manejo quirúrgico precoz para mejorar el abordaje de estas infecciones. Se debe mantener la vigilancia epidemiológica para detectar la frecuencia de las infecciones causadas por estas bacterias.


Staphylococcus aureus is a major etiologic agent of infections in children from the community and the hospital setting. The severity of these conditions is associated with virulence factors, including the Panton-Valentine leukocidin. Both methicillin resistant and sensitive Staphylococcus aureus produce this leukocidin although with varying frequency. We present two children with severe infection by sensitive Staphylococcus aureus producer of Panton-Valentine leukocidin with musculoskeletal and endovascular complications. It is essential the suspected diagnosis, appropriate antibiotic treatment and early surgical management to improve the approach of these infections. Epidemiological surveillance should be mantained to detect the frequency of infections caused by these bacteria.


Assuntos
Humanos , Masculino , Feminino , Criança , Infecções Estafilocócicas/diagnóstico , Infecções Estafilocócicas/microbiologia , Infecções Estafilocócicas/terapia , Staphylococcus aureus/efeitos dos fármacos , Staphylococcus aureus/metabolismo , Toxinas Bacterianas/biossíntese , Exotoxinas/biossíntese , Leucocidinas/biossíntese , Meticilina/farmacologia , Antibacterianos/farmacologia , Índice de Gravidade de Doença , Testes de Sensibilidade Microbiana
4.
Arch Argent Pediatr ; 114(4)2016 Aug 01.
Artigo em Espanhol | MEDLINE | ID: mdl-27399020

RESUMO

Staphylococcus aureus is a major etiologic agent of infections in children from the community and the hospital setting. The severity of these conditions is associated with virulence factors, including the Panton-Valentine leukocidin. Both methicillin resistant and sensitive Staphylococcus aureus produce this leukocidin although with varying frequency. We present two children with severe infection by sensitive Staphylococcus aureus producer of Panton-Valentine leukocidin with musculoskeletal and endovascular complications. It is essential the suspected diagnosis, appropriate antibiotic treatment and early surgical management to improve the approach of these infections. Epidemiological surveillance should be mantained to detect the frequency of infections caused by these bacteria.


Staphylococcus aureus es uno de los principales agentes etiológicos de infecciones en niños provenientes de la comunidad y del ámbito hospitalario. La gravedad de estos cuadros se asocia a factores de virulencia, entre los que se encuentra la leucocidina de Panton-Valentine. Tanto Staphylococcus aureus resistente como sensible a la meticilina producen esta leucocidina, aunque con frecuencia variable. Presentamos a dos niños con infección grave por Staphylococcus aureus sensible a la meticilina productor de leucocidina de Panton-Valentine con complicaciones osteoarticulares y endovasculares. Es fundamental la sospecha diagnóstica, el tratamiento antibiótico adecuado y el manejo quirúrgico precoz para mejorar el abordaje de estas infecciones. Se debe mantener la vigilancia epidemiológica para detectar la frecuencia de las infecciones causadas por estas bacterias.


Assuntos
Antibacterianos/farmacologia , Toxinas Bacterianas/biossíntese , Exotoxinas/biossíntese , Leucocidinas/biossíntese , Meticilina/farmacologia , Infecções Estafilocócicas , Staphylococcus aureus/efeitos dos fármacos , Staphylococcus aureus/metabolismo , Criança , Feminino , Humanos , Masculino , Testes de Sensibilidade Microbiana , Índice de Gravidade de Doença , Infecções Estafilocócicas/diagnóstico , Infecções Estafilocócicas/microbiologia , Infecções Estafilocócicas/terapia
5.
Rev. chil. infectol ; 30(6): 673-675, dic. 2013. ilus
Artigo em Espanhol | LILACS | ID: lil-701718

RESUMO

Tuberculosis is an important public health problem. It is estimated that around 5-10% of patients with tuberculosis present with central nervous system involvement; meningitis and tuberculoma being two of the most frequent manifestations. The paradoxical reaction in patients undergoing antituberculosis treatment is infrequent, nevertheless it is an important consideration in patients, who after an appropriate initial response to specific treatment, present with worsening clinical and radiological signs or the appearance of new lesions.


La tuberculosis (TBC) es un problema de importancia en salud pública. Se estima que alrededor de 5 a 10% de los pacientes con TBC presentan compromiso de sistema nervioso central, siendo la meningitis y el tuberculoma las manifestaciones más frecuentes. La reacción paradojal en pacientes con tratamiento antituberculoso es infrecuente, sin embargo, es importante considerarla en pacientes que durante la terapia, luego de una respuesta inicial apropiada, presentan un empeoramiento clínico y/o radiológico o aparición de nuevas lesiones.


Assuntos
Adolescente , Feminino , Humanos , Antituberculosos/efeitos adversos , Tuberculose Meníngea/tratamento farmacológico , Tuberculose Pulmonar/tratamento farmacológico , Corticosteroides/uso terapêutico , Antituberculosos/uso terapêutico , Imunocompetência , Imageamento por Ressonância Magnética , Tuberculoma Intracraniano/tratamento farmacológico , Tuberculose Meníngea/diagnóstico , Tuberculose Pulmonar/diagnóstico
6.
Arch Argent Pediatr ; 111(3): 202-5, 2013 06.
Artigo em Inglês, Espanhol | MEDLINE | ID: mdl-23732345

RESUMO

Invasive pneumococcal diseases are the main cause of morbidity and mortality in children. In the Hospital "Prof. Dr. Juan P. Garrahan", between October 1st , 2008 and September 30th, 2011 all invasive pneumococcal diseases with positive blood cultures were retrospectively studied before the implementation of the universal immunization schedule with the 13-valent pneumococcal conjugate vaccine. A total of 124 patients were identified, and their mean age was 48.3 months (range: 1-216). In this population, 58.9% (n: 73) were OVER 2 years old and 89% (n: 65) of them had an underlying disease. The most frequent clinical presentation was pneumonia. The most frequent S. pneumoniae serotypes identified were: 14 (22.5%, n: 25), 6 (14.4%, n: 16), 19 (8.1%, n: 9), 23 (7.2%, n: 8), 1 (6.3%, n: 7), 5 (4.5%, n: 5), and 7 (7.2%, n: 8). Of the S. pneumoniae serotypes in this series, 82.2% is included in the 13-valent pneumococcal conjugate vaccine. Continuous epidemiological surveillance is essential to further identify the epidemiology and study the evolution of invasive pneumococcal disease in Argentina.


Assuntos
Infecções Pneumocócicas/diagnóstico , Infecções Pneumocócicas/microbiologia , Streptococcus pneumoniae/classificação , Adolescente , Criança , Pré-Escolar , Feminino , Hospitais Pediátricos , Humanos , Lactente , Masculino , Vacinas Pneumocócicas , Estudos Retrospectivos , Sorotipagem , Centros de Atenção Terciária , Vacinas Conjugadas
7.
Arch. argent. pediatr ; 111(3): 202-205, jun. 2013. graf, tab
Artigo em Espanhol | BINACIS | ID: bin-130945

RESUMO

Las enfermedades invasivas por neumococo constituyen la principal causa de morbimortalidad en los niños. En el Hospital "Prof. Dr. Juan P. Garrahan" se estudiaron retrospectivamente todas las infecciones invasivas por neumococo con hemocultivos positivos entre el 1 de octubre de 2008 y el 30 de septiembre de 2011, antes de la vacunación universal con la vacuna conjugada de 13 serotipos. Se identificaron 124 pacientes, con una media de edad de 48,3 meses (r: 1-216). El 58,9% de la población era mayor de 2 años (n: 73) y el 89% (n: 65) de ellos tenían una enfermedad de base. La principal forma de presentación fue la neumonía. Los serotipos de S. pneumoniae más frecuentes fueron: 14 (22,5%, n: 25), 6 (14,4%, n: 16), 19 (8,1%, n: 9), 23 (7,2%, n: 8), 1 (6,3%, n: 7), 5 (4,5%, n: 5) y 7 (7,2%, n: 8). El 82,8% de los serotipos de S. pneumoniae de esta serie están incluidos en la vacuna conjugada de 13 serotipos. Es esencial mantener la vigilancia epidemiológica para identificar la evolución y epidemiología de la enfermedad invasiva por neumococo en la Argentina.(AU)


Invasive pneumococcal diseases are the main cause of morbidity and mortality in children. In the Hospital "Prof. Dr. Juan P. Garrahan", between October 1st , 2008 and September 30th, 2011 all invasive pneumococcal diseases with positive blood cultures were retrospectively studied before the implementation of the universal immunization schedule with the 13-valent pneumococcal conjugate vaccine. A total of 124 patients were identified, and their mean age was 48.3 months (range: 1-216). In this population, 58.9% (n: 73) were OVER 2 years old and 89% (n: 65) of them had an underlying disease. The most frequent clinical presentation was pneumonia. The most frequent S. pneumoniae serotypes identified were: 14 (22.5%, n: 25), 6 (14.4%, n: 16), 19 (8.1%, n: 9), 23 (7.2%, n: 8), 1 (6.3%, n: 7), 5 (4.5%, n: 5), and 7 (7.2%, n: 8). Of the S. pneumoniae serotypes in this series, 82.2% is included in the 13-valent pneumococcal conjugate vaccine. Continuous epidemiological surveillance is essential to further identify the epidemiology and study the evolution of invasive pneumococcal disease in Argentina.(AU)


Assuntos
Adolescente , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Infecções Pneumocócicas/diagnóstico , Infecções Pneumocócicas/microbiologia , Streptococcus pneumoniae/classificação , Hospitais Pediátricos , Vacinas Pneumocócicas , Estudos Retrospectivos , Sorotipagem , Centros de Atenção Terciária , Vacinas Conjugadas
8.
Arch. argent. pediatr ; 111(3): 202-205, jun. 2013. graf, tab
Artigo em Espanhol | LILACS | ID: lil-694626

RESUMO

Las enfermedades invasivas por neumococo constituyen la principal causa de morbimortalidad en los niños. En el Hospital "Prof. Dr. Juan P. Garrahan" se estudiaron retrospectivamente todas las infecciones invasivas por neumococo con hemocultivos positivos entre el 1 de octubre de 2008 y el 30 de septiembre de 2011, antes de la vacunación universal con la vacuna conjugada de 13 serotipos. Se identificaron 124 pacientes, con una media de edad de 48,3 meses (r: 1-216). El 58,9% de la población era mayor de 2 años (n: 73) y el 89% (n: 65) de ellos tenían una enfermedad de base. La principal forma de presentación fue la neumonía. Los serotipos de S. pneumoniae más frecuentes fueron: 14 (22,5%, n: 25), 6 (14,4%, n: 16), 19 (8,1%, n: 9), 23 (7,2%, n: 8), 1 (6,3%, n: 7), 5 (4,5%, n: 5) y 7 (7,2%, n: 8). El 82,8% de los serotipos de S. pneumoniae de esta serie están incluidos en la vacuna conjugada de 13 serotipos. Es esencial mantener la vigilancia epidemiológica para identificar la evolución y epidemiología de la enfermedad invasiva por neumococo en la Argentina.


Invasive pneumococcal diseases are the main cause of morbidity and mortality in children. In the Hospital "Prof. Dr. Juan P. Garrahan", between October 1st , 2008 and September 30th, 2011 all invasive pneumococcal diseases with positive blood cultures were retrospectively studied before the implementation of the universal immunization schedule with the 13-valent pneumococcal conjugate vaccine. A total of 124 patients were identified, and their mean age was 48.3 months (range: 1-216). In this population, 58.9% (n: 73) were OVER 2 years old and 89% (n: 65) of them had an underlying disease. The most frequent clinical presentation was pneumonia. The most frequent S. pneumoniae serotypes identified were: 14 (22.5%, n: 25), 6 (14.4%, n: 16), 19 (8.1%, n: 9), 23 (7.2%, n: 8), 1 (6.3%, n: 7), 5 (4.5%, n: 5), and 7 (7.2%, n: 8). Of the S. pneumoniae serotypes in this series, 82.2% is included in the 13-valent pneumococcal conjugate vaccine. Continuous epidemiological surveillance is essential to further identify the epidemiology and study the evolution of invasive pneumococcal disease in Argentina.


Assuntos
Adolescente , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Infecções Pneumocócicas/diagnóstico , Infecções Pneumocócicas/microbiologia , Streptococcus pneumoniae/classificação , Hospitais Pediátricos , Vacinas Pneumocócicas , Estudos Retrospectivos , Sorotipagem , Centros de Atenção Terciária , Vacinas Conjugadas
9.
Rev Chilena Infectol ; 30(6): 673-5, 2013 Dec.
Artigo em Espanhol | MEDLINE | ID: mdl-24522315

RESUMO

Tuberculosis is an important public health problem. It is estimated that around 5-10% of patients with tuberculosis present with central nervous system involvement; meningitis and tuberculoma being two of the most frequent manifestations. The paradoxical reaction in patients undergoing antituberculosis treatment is infrequent, nevertheless it is an important consideration in patients, who after an appropriate initial response to specific treatment, present with worsening clinical and radiological signs or the appearance of new lesions.


Assuntos
Antituberculosos/efeitos adversos , Tuberculose Meníngea/tratamento farmacológico , Tuberculose Pulmonar/tratamento farmacológico , Adolescente , Corticosteroides/uso terapêutico , Antituberculosos/uso terapêutico , Feminino , Humanos , Imunocompetência , Imageamento por Ressonância Magnética , Tuberculoma Intracraniano/tratamento farmacológico , Tuberculose Meníngea/diagnóstico , Tuberculose Pulmonar/diagnóstico
10.
Arch Argent Pediatr ; 111(3): 202-5, 2013 Jun.
Artigo em Espanhol | BINACIS | ID: bin-133107

RESUMO

Invasive pneumococcal diseases are the main cause of morbidity and mortality in children. In the Hospital "Prof. Dr. Juan P. Garrahan", between October 1st , 2008 and September 30th, 2011 all invasive pneumococcal diseases with positive blood cultures were retrospectively studied before the implementation of the universal immunization schedule with the 13-valent pneumococcal conjugate vaccine. A total of 124 patients were identified, and their mean age was 48.3 months (range: 1-216). In this population, 58.9


(n: 73) were OVER 2 years old and 89


(n: 65) of them had an underlying disease. The most frequent clinical presentation was pneumonia. The most frequent S. pneumoniae serotypes identified were: 14 (22.5


, n: 25), 6 (14.4


, n: 16), 19 (8.1


, n: 9), 23 (7.2


, n: 8), 1 (6.3


, n: 7), 5 (4.5


, n: 5), and 7 (7.2


, n: 8). Of the S. pneumoniae serotypes in this series, 82.2


is included in the 13-valent pneumococcal conjugate vaccine. Continuous epidemiological surveillance is essential to further identify the epidemiology and study the evolution of invasive pneumococcal disease in Argentina.


Assuntos
Infecções Pneumocócicas/diagnóstico , Infecções Pneumocócicas/microbiologia , Streptococcus pneumoniae/classificação , Adolescente , Criança , Pré-Escolar , Feminino , Hospitais Pediátricos , Humanos , Lactente , Masculino , Vacinas Pneumocócicas , Estudos Retrospectivos , Sorotipagem , Centros de Atenção Terciária , Vacinas Conjugadas
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