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Frequency of human bocavirus respiratory infections among at-risk patients in São Paulo, Brazil / Frequência de bocavírus humano em infecções respiratórias entre pacientes de risco na cidade de São Paulo, Brasil
Caccia, Elaine Regina Baptista; Watanabe, Aripuana Sakurada Aranha; Carraro, Emerson; Leal, Elcio; Granato, Celso; Bellei, Nancy.
  • Caccia, Elaine Regina Baptista; Sao Paulo Federal University. Medicine Department. Infectious Diseases Unit. Clinical Virology Laboratory. BR
  • Watanabe, Aripuana Sakurada Aranha; Sao Paulo Federal University. Medicine Department. Infectious Diseases Unit. Clinical Virology Laboratory. BR
  • Carraro, Emerson; Sao Paulo Federal University. Medicine Department. Infectious Diseases Unit. Clinical Virology Laboratory. BR
  • Leal, Elcio; Federal University of Pará. BR
  • Granato, Celso; Sao Paulo Federal University. Medicine Department. Infectious Diseases Unit. Clinical Virology Laboratory. BR
  • Bellei, Nancy; Sao Paulo Federal University. Medicine Department. Infectious Diseases Unit. Clinical Virology Laboratory. BR
Rev. Inst. Med. Trop. Säo Paulo ; 54(6): 307-310, Nov.-Dec. 2012. tab
Article in English | LILACS | ID: lil-656264
ABSTRACT
BACKGROUND AND

OBJECTIVES:

Human Bocavirus (HBoV) has been described since 2005 as an etiological agent of respiratory virus infections. From 2001 to 2008 we investigated the etiology of HBoV among adults and children in different groups at risk of presenting complications arising from acute respiratory infection, the investigation was carried out in a tertiary hospital health care system in Brazil.

METHODS:

HBoV DNA was assayed in 598 respiratory samples from community and hospitalized patients by PCR.

RESULTS:

Of the 598 tested samples, 2.44% (8/328) of children, including five children with heart disease, and 0.4% (1/270) of adult bone-marrow-transplant were HBoV positive.

CONCLUSIONS:

These data suggested lower HBoV frequency among different at-risk patients and highlights the need to better understand the real role of HBoV among acute respiratory symptomatic patients.
RESUMO
INTRODUÇÃO E

OBJETIVOS:

O bocavírus humano (HBoV) tem sido descrito desde 2005 como agente etiológico de infecções respiratórias virais. O presente estudo tem como objetivo investigar a etiologia da infecção respiratória pelo HBoV em pacientes adultos e crianças de diferentes grupos de risco para complicação de infecções respiratórias agudas desde 2001 até 2008 em um hospital terciário no Brasil. PACIENTES E

MÉTODOS:

O HBoV foi investigado, através de reação em cadeia da polimerase, em 598 amostras respiratórias coletadas de pacientes hospitalizados e não hospitalizados.

RESULTADOS:

Das 598 amostras testadas o HBoV foi detectado em 2,44% (8/328) das crianças, incluindo cinco crianças portadoras de cardiopatia congênita, e 0,4% (1/270) dos adultos em programa de transplante de células tronco hematopoiéticas.

CONCLUSÃO:

Os dados do presente estudo sugerem baixa freqüência de detecção do HBoV entre pacientes de risco, e destaca a necessidade de novos estudos para um melhor entendimento do verdadeiro papel desse agente em infecções respiratórias agudas em pacientes sintomáticos.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Respiratory Tract Infections / DNA, Viral / Parvoviridae Infections / Human bocavirus Type of study: Diagnostic study / Etiology study / Risk factors / Screening study Limits: Adolescent / Adult / Aged / Aged80 / Child / Child, preschool / Humans / Infant / Infant, Newborn Country/Region as subject: South America / Brazil Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2012 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Pará/BR / Sao Paulo Federal University/BR

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Full text: Available Index: LILACS (Americas) Main subject: Respiratory Tract Infections / DNA, Viral / Parvoviridae Infections / Human bocavirus Type of study: Diagnostic study / Etiology study / Risk factors / Screening study Limits: Adolescent / Adult / Aged / Aged80 / Child / Child, preschool / Humans / Infant / Infant, Newborn Country/Region as subject: South America / Brazil Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2012 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Pará/BR / Sao Paulo Federal University/BR