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Severe RSV infections in children and elderly during 2017/2018 winter season

2018-10-31Conference object Open access
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dc.contributor.authorGuiomar, Raquel
dc.contributor.authorPechirra, Pedro
dc.contributor.authorCosta, Inês
dc.contributor.authorCristóvão, Paula
dc.contributor.authorConde, Patrícia
dc.contributor.authorNunes, Baltazar
dc.contributor.authorRodrigues, Ana Paula
dc.contributor.authorCôrte-Real, Rita
dc.contributor.authorBranquinho, Paula
dc.contributor.authorGarcia, David
dc.contributor.authorConde, Sílvia
dc.contributor.authorRodrigues, Fernando
dc.contributor.authorPereira-Vaz, João
dc.contributor.authorAlves, José
dc.contributor.authorLudivina, Freitas
dc.contributor.authorMota Vieira, Luísa
dc.contributor.authorCabral Veloso, Rita
dc.contributor.authorBruges Armas, Jácome
dc.contributor.authorCouto, Ana Rita
dc.contributor.authorRibeiro, Carlos
dc.contributor.authorBarreto, Rosário
dc.contributor.authorCunha, Mário
dc.contributor.authorMartins, Luís
dc.contributor.authorAlmeida, Sofia
dc.contributor.authorPeres, Maria João
dc.contributor.authorViseu, Regina
dc.contributor.authorMota, Paula
dc.contributor.authorLopes, Paulo
dc.contributor.authorSoares, Vânia
dc.contributor.authorVale, Fátima
dc.contributor.authorFonseca, Patrícia
dc.contributor.authorToscano, Cristina
dc.contributor.authorDias, Ana
dc.date.accessioned2019-02-18T13:11:19Z
dc.date.available2019-02-18T13:11:19Z
dc.date.issued2018-10-31
dc.descriptionDDI_INSA em colaboração com o DEP-INSA e a Rede Portuguesa de Laboratórios para o Diagnóstico da Gripept_PT
dc.description.abstractBackground: Respiratory syncytial virus (RSV) is one of the most frequent and important respiratory viral agent that causes respiratory infection complications in younger children and elderly. RSV has an autumn / winter seasonality detected in cocirculation with influenza and other respiratory viruses. Material and Methods: During 2017/2018 season, 14 hospitals from Portugal mainland and Atlantic Island tested 4278 swabs for influenza, respiratory syncytial virus (RSV) and other respiratory viruses (oRV). Data on age and hospital service were recorded. Samples were collected from patients with mild to severe respiratory infections. Severity was correlated with the need for hospitalization. The study aimed to determine the age groups that had experienced severe RSV infections during the 2017/2018 season with the need of hospitalization, including in intensive care units (ICU). Results: Between October/2017-May/2018 were tested 4278 swabs for influenza, RSV and oRV (picornavirus, adenovirus, bocavirus, metapneumovirus, parainfluenzavirus, coronavirus). A total of 43%(1830) swabs were positive, from these 35%(639) were outpatients, 61%(1112) were hospitalized and 4% (79) were at ICU. The prevalence found were: Influenza 63%(1157), RSV 15%(266), oRV 13%(247) and 9%(160) of the cases were mixed infections. Influenza was detected in more than 70% of the positives swabs in patients aged above 15 years old. The oRV played a major role in respiratory infections in children, 0-4 and 5-14 years old, detected in 23% and 21% of the cases ,respectively. RSV was the predominant virus identified in toddlers, under 4 years old (29% of the positive samples and in 85% of codetection ). Among elderly 65+, RSV was confirmed in 13% of the respiratory infections. In hospitalized adults 65+, although influenza was detected in 80% of the positive swabs, RSV was 3.5 times more frequently detected than oRV, higher than the observed in outpatients (RSV 1.6 times more frequent than oRV). In hospitalized patients under 5 years old, RSV were detected in 31% of the positive swabs being 1.3 and 1.5 times more frequently than influenza and oRV, respectively. In ICU, 40%(32) of the cases were under 5 years old, influenza was confirmed in only 3% and RSV in 22% of the cases. 35%(28) ICU cases had 65+years old, influenza was confirmed in 57% and RSV in 14% of these patients. Conclusions: During 2017/2018, RSV was detected in severe respiratory infections. In young children (≤4 years old) RSV was the most frequently detected respiratory virus. In elderly 65+, besides influenza, RSV was frequently associated with severe respiratory infections. Prevention measures for RSV severe infections are essential not only in children but also among the elderly.pt_PT
dc.description.versionN/Apt_PT
dc.identifier.urihttp://hdl.handle.net/10400.18/5854
dc.language.isoengpt_PT
dc.subjectRespiratory syncytial virus (RSV)pt_PT
dc.subjectInfluenza Viruspt_PT
dc.subjectElderlypt_PT
dc.subjectPortugalpt_PT
dc.subjectCuidados de Saúdept_PT
dc.subjectInfecções Respiratóriaspt_PT
dc.titleSevere RSV infections in children and elderly during 2017/2018 winter seasonpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceAsheville, North Carolina EUApt_PT
oaire.citation.title11th International Respiratory Syncytial Virus Symposium, International Society for Influenza and other Respiratory Virus Diseases (ISIRV), 31 Oct -4 Nov 2018pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT

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