Viral gastroenteritis in children in Colorado 2006–2009
Identifieur interne : 001392 ( Main/Exploration ); précédent : 001391; suivant : 001393Viral gastroenteritis in children in Colorado 2006–2009
Auteurs : Christina M. Osborne [États-Unis] ; Aaron C. Montano ; Christine C. Robinson ; Stacey Schultz-Cherry ; Samuel R. Dominguez [États-Unis]Source :
- Journal of Medical Virology [ 0146-6615 ] ; 2015-06.
Abstract
Acute gastroenteritis accounts for a significant burden of medically attended illness in children under the age of five. For this study, four multiplex reverse transcription PCR assays were used to determine the incidence of adenovirus, astrovirus, coronavirus, norovirus GI and GII, rotavirus, and sapovirus in stool samples submitted for viral electron microscopy (EM) to the Children's Hospital Colorado. Of 1105 stool samples available, viral RNA/DNA was detected in 247 (26.2%) of 941 pediatric samples (median age = 2.97 years, 54% male) with 28 (3.0%) positive for more than one virus. Adenovirus, astrovirus, norovirus GI, norovirus GII, rotavirus, and sapovirus were detected in 95 (10.0%), 33 (3.5%), 8 (0.9%), 90 (9.6%), 49 (5.2%), and 2 (0.2%) of the pediatric samples, respectively. No coronaviruses were identified. Sequencing of norovirus positive samples indicated an outbreak of norovirus strain GII.4 in 2006 with evidence of numerous circulating strains. Multiple samples from the same immunocompromised patients demonstrated symptomatic shedding of norovirus for up to 32 weeks and astrovirus for 12 weeks. RT‐PCR detected 99 of 111 (89%) adenovirus‐positive samples versus 12 (11%) by EM, and 186 of 192 (97%) sapovirus/astrovirus/norovirus‐positive samples versus 21 (11%) by EM. Noroviruses and adenoviruses are common causes of gastroenteritis in children. Immunocompromised patients can be infected with multiple viruses and shed viruses in their stools for prolonged periods. This data support the superiority of RT‐PCR compared to EM for diagnosis of viral gastroenteritis. J. Med. Virol. 87:931–939, 2015. © 2015 Wiley Periodicals, Inc.
Url:
DOI: 10.1002/jmv.24022
Affiliations:
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For this study, four multiplex reverse transcription PCR assays were used to determine the incidence of adenovirus, astrovirus, coronavirus, norovirus GI and GII, rotavirus, and sapovirus in stool samples submitted for viral electron microscopy (EM) to the Children's Hospital Colorado. Of 1105 stool samples available, viral RNA/DNA was detected in 247 (26.2%) of 941 pediatric samples (median age = 2.97 years, 54% male) with 28 (3.0%) positive for more than one virus. Adenovirus, astrovirus, norovirus GI, norovirus GII, rotavirus, and sapovirus were detected in 95 (10.0%), 33 (3.5%), 8 (0.9%), 90 (9.6%), 49 (5.2%), and 2 (0.2%) of the pediatric samples, respectively. No coronaviruses were identified. Sequencing of norovirus positive samples indicated an outbreak of norovirus strain GII.4 in 2006 with evidence of numerous circulating strains. Multiple samples from the same immunocompromised patients demonstrated symptomatic shedding of norovirus for up to 32 weeks and astrovirus for 12 weeks. RT‐PCR detected 99 of 111 (89%) adenovirus‐positive samples versus 12 (11%) by EM, and 186 of 192 (97%) sapovirus/astrovirus/norovirus‐positive samples versus 21 (11%) by EM. Noroviruses and adenoviruses are common causes of gastroenteritis in children. Immunocompromised patients can be infected with multiple viruses and shed viruses in their stools for prolonged periods. This data support the superiority of RT‐PCR compared to EM for diagnosis of viral gastroenteritis. J. Med. Virol. 87:931–939, 2015. © 2015 Wiley Periodicals, Inc.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Colorado</li></region></list><tree><noCountry><name sortKey="Montano, Aaron C" sort="Montano, Aaron C" uniqKey="Montano A" first="Aaron C." last="Montano">Aaron C. Montano</name><name sortKey="Robinson, Christine C" sort="Robinson, Christine C" uniqKey="Robinson C" first="Christine C." last="Robinson">Christine C. Robinson</name><name sortKey="Schultz Herry, Stacey" sort="Schultz Herry, Stacey" uniqKey="Schultz Herry S" first="Stacey" last="Schultz-Cherry">Stacey Schultz-Cherry</name></noCountry><country name="États-Unis"><region name="Colorado"><name sortKey="Osborne, Christina M" sort="Osborne, Christina M" uniqKey="Osborne C" first="Christina M." last="Osborne">Christina M. Osborne</name></region><name sortKey="Dominguez, Samuel R" sort="Dominguez, Samuel R" uniqKey="Dominguez S" first="Samuel R." last="Dominguez">Samuel R. Dominguez</name><name sortKey="Osborne, Christina M" sort="Osborne, Christina M" uniqKey="Osborne C" first="Christina M." last="Osborne">Christina M. Osborne</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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