Eletroferótipos de rotavírus em crianças com e sem quadros de gastroenterite

The efficacy of licensed rotavirus vaccines has only been shown against certain rotavirus group A (RV-A) types. It is critical to understand the burden of rotavirus gastroenteritis (RVGE) and its prevalent types to assess the potential impact of these vaccines in Latin America and the Caribbean (LA&C). We performed a systematic review and meta-analyses of all the available evidence reported from 1990 to 2009 on the burden of rotavirus disease and strains circulating in LA&C. Eligible studies--185 country-level reports, 174 951 faecal samples--were selected from MEDLINE, Cochrane Library, EMBASE, LILACS, regional Ministries of Health, PAHO, regional proceedings, doctoral theses, reference lists of included studies and consulting experts. Arc-sine transformations and DerSimonian-Laird random-effects model were used for meta-analyses. The proportion of gastroenteritis cases due to rotavirus was 24.3% (95%CI 22.3-26.4) and the incidence of RVGE was 170 per 1000 children-years (95%CI 130-210). We estimated a global annual mortality for 22 countries of 88.2 (95%CI 79.3-97.1) deaths per 100 000 under 5 years (47 000 deaths).The most common G type detected was G1 (34.2%), followed by G9 (14.6%), and G2 (14.4%). The most common P types detected were P[8] (56.2%), P[4] (22.1%) and P[1] 5.4%, and the most prevalent P-G type associations were P[8]G1 17.9%, P[4]G2 9.1% and P[8]G9 8.8%. In the last 10 years, G9 circulation increased remarkably and G5 almost disappeared. More recently, G12 appeared and P[4]G2 re-emerged. To our knowledge, this is the first meta-analysis of rotavirus infection and burden of disease in LA&C.

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Burden and typing of rotavirus group A in Latin America and the Caribbean: systematic review and meta‐analysis

Linhares

Stupka

Ciapponi

et al. 2011

Reviews in Medical Virology

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Rotavírus, adenovírus, astrovírus, calicivírus e "Small Round Virus Particles" em fezes de crianças, com e sem diarréia aguda, no período de 1987 a 1988, na Grande São Paulo

Timenetsky

Kisielius

Grisi

et al. 1993

Rev. Inst. Med. trop. S. Paulo

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No período de agosto de 1987 a setembro de 1988, 193 amostras de fezes de crianças, com e sem sintomatologia diarréica aguda, foram submetidas às provas diagnósticas do ensaio imunoenzimático (EIE), eletroforese em gel de poliacrilamida (EGPA) e microscopia eletrônica (ME) para a detecção de vírus. A positividade para Rotavírus, Adenovírus, Astrovírus, Calicivírus e "Small Round Virus Particles" (SRVP) foi encontrada nas 97 crianças com diarréia aguda em 11,3%, 3,1%, 2,1%, l,0%e4,l%, respectivamente. Das 96 crianças sem diarréia, 4,2% foram positivas para Rotavírus, 1,0% para Calicivírus e 7,3% para SRVP. Das 15 amostras positivas para Rotavírus, 14 apresentaram perfil eletroforético característico do Grupo A e 1 amostra do Grupo C. A análise dos eletroforotipos demonstrou a grande heterogeneidade de perfis e a predominância do perfil "longo". A associação de vírus, bactéria e parasita foi encontrada tanto em crianças com diarréia como em crianças sem diarréia.

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Eletroferótipos de rotavírus em crianças com e sem quadros de gastroenterite

Cited by 2 publications

References 16 publications

Burden and typing of rotavirus group A in Latin America and the Caribbean: systematic review and meta‐analysis

Burden and typing of rotavirus group A in Latin America and the Caribbean: systematic review and meta‐analysis

Rotavírus, adenovírus, astrovírus, calicivírus e "Small Round Virus Particles" em fezes de crianças, com e sem diarréia aguda, no período de 1987 a 1988, na Grande São Paulo

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