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Late prematurity: a systematic review

this study aimed to review the literature regarding late preterm births (34 weeks to 36 weeks and 6 days of gestation) in its several aspects. the MEDLINE, LILACS, and Cochrane Library databases were searched, and the references of the articles retrieved were also used, with no limit of time. numero...

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Published in:Jornal de pediatria 2014-05, Vol.90 (3), p.221-231
Main Authors: Machado, Luís Carlos, Passini Júnior, Renato, Rodrigues Machado Rosa, Izilda
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description this study aimed to review the literature regarding late preterm births (34 weeks to 36 weeks and 6 days of gestation) in its several aspects. the MEDLINE, LILACS, and Cochrane Library databases were searched, and the references of the articles retrieved were also used, with no limit of time. numerous studies showed a recent increase in late preterm births. In all series, late preterm comprised the majority of preterm births. Studies including millions of births showed a strong association between late preterm birth and neonatal mortality. A higher mortality in childhood and among young adults was also observed. Many studies found an association with several neonatal complications, and also with long-term disorders and sequelae: breastfeeding problems, cerebral palsy, asthma in childhood, poor school performance, schizophrenia, and young adult diabetes. Some authors propose strategies to reduce late preterm birth, or to improve neonatal outcome: use of antenatal corticosteroids, changes in some of the guidelines for early delivery in high-risk pregnancies, and changes in neonatal care for this group. numerous studies show greater mortality and morbidity in late preterm infants compared with term infants, in addition to long-term disorders. More recent studies evaluated strategies to improve the outcomes of these neonates. Further studies on these strategies are needed. revisar a literatura sobre prematuridade tardia (nascimentos de 34 semanas a 36 semanas e seis dias) em seus vários aspectos. buscas nas bases MEDLINE, LILACS e Biblioteca Cochrane, sem limite de tempo, e nas referências bibliográficas dos artigos encontrados. muitos estudos mostram aumento na taxa de prematuridade tardia nos últimos anos. Em todas as séries, os prematuros tardios correspondem à maioria dos nascimentos prematuros. Estudos envolvendo análises de milhões de nascimentos comprovam a forte associação entre prematuridade tardia e mortalidade neonatal. Também se observou associação com maior mortalidade infantil e no adulto jovem. Muitos estudos encontraram associação com várias complicações neonatais e com problemas e sequelas de longo prazo, tais como: dificuldades na amamentação, paralisia cerebral, asma na infância, pior desempenho escolar, esquizofrenia e diabetes no adulto jovem. Alguns autores propõem estratégias para reduzir a incidência desses nascimentos ou para melhorar seus resultados: utilização de corticosteroides antenatais; mudança em rotinas de interrupção de gesta
doi_str_mv 10.1016/j.jped.2013.08.012
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In all series, late preterm comprised the majority of preterm births. Studies including millions of births showed a strong association between late preterm birth and neonatal mortality. A higher mortality in childhood and among young adults was also observed. Many studies found an association with several neonatal complications, and also with long-term disorders and sequelae: breastfeeding problems, cerebral palsy, asthma in childhood, poor school performance, schizophrenia, and young adult diabetes. Some authors propose strategies to reduce late preterm birth, or to improve neonatal outcome: use of antenatal corticosteroids, changes in some of the guidelines for early delivery in high-risk pregnancies, and changes in neonatal care for this group. numerous studies show greater mortality and morbidity in late preterm infants compared with term infants, in addition to long-term disorders. More recent studies evaluated strategies to improve the outcomes of these neonates. Further studies on these strategies are needed. revisar a literatura sobre prematuridade tardia (nascimentos de 34 semanas a 36 semanas e seis dias) em seus vários aspectos. buscas nas bases MEDLINE, LILACS e Biblioteca Cochrane, sem limite de tempo, e nas referências bibliográficas dos artigos encontrados. muitos estudos mostram aumento na taxa de prematuridade tardia nos últimos anos. Em todas as séries, os prematuros tardios correspondem à maioria dos nascimentos prematuros. Estudos envolvendo análises de milhões de nascimentos comprovam a forte associação entre prematuridade tardia e mortalidade neonatal. Também se observou associação com maior mortalidade infantil e no adulto jovem. Muitos estudos encontraram associação com várias complicações neonatais e com problemas e sequelas de longo prazo, tais como: dificuldades na amamentação, paralisia cerebral, asma na infância, pior desempenho escolar, esquizofrenia e diabetes no adulto jovem. Alguns autores propõem estratégias para reduzir a incidência desses nascimentos ou para melhorar seus resultados: utilização de corticosteroides antenatais; mudança em rotinas de interrupção de gestações de alto risco; mudanças nos cuidados neonatais. muitos estudos mostram maior morbidade e mortalidade nos prematuros tardios comparados aos recém-nascidos a termo, além de sequelas e complicações de longo prazo. Estudos mais recentes avaliam estratégias para melhorar o prognóstico destes recém-nascidos. 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All rights reserved.</rights><rights>This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c505t-942f9b90f97ad595f777f2e246aa49fe97751d4ff98751dda78d0468847578053</citedby><cites>FETCH-LOGICAL-c505t-942f9b90f97ad595f777f2e246aa49fe97751d4ff98751dda78d0468847578053</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0021755714000175$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>230,314,780,784,885,3549,24150,27924,27925,45780</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24508009$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Machado, Luís Carlos</creatorcontrib><creatorcontrib>Passini Júnior, Renato</creatorcontrib><creatorcontrib>Rodrigues Machado Rosa, Izilda</creatorcontrib><title>Late prematurity: a systematic review</title><title>Jornal de pediatria</title><addtitle>J Pediatr (Rio J)</addtitle><description>this study aimed to review the literature regarding late preterm births (34 weeks to 36 weeks and 6 days of gestation) in its several aspects. the MEDLINE, LILACS, and Cochrane Library databases were searched, and the references of the articles retrieved were also used, with no limit of time. numerous studies showed a recent increase in late preterm births. In all series, late preterm comprised the majority of preterm births. Studies including millions of births showed a strong association between late preterm birth and neonatal mortality. A higher mortality in childhood and among young adults was also observed. Many studies found an association with several neonatal complications, and also with long-term disorders and sequelae: breastfeeding problems, cerebral palsy, asthma in childhood, poor school performance, schizophrenia, and young adult diabetes. Some authors propose strategies to reduce late preterm birth, or to improve neonatal outcome: use of antenatal corticosteroids, changes in some of the guidelines for early delivery in high-risk pregnancies, and changes in neonatal care for this group. numerous studies show greater mortality and morbidity in late preterm infants compared with term infants, in addition to long-term disorders. More recent studies evaluated strategies to improve the outcomes of these neonates. 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Alguns autores propõem estratégias para reduzir a incidência desses nascimentos ou para melhorar seus resultados: utilização de corticosteroides antenatais; mudança em rotinas de interrupção de gestações de alto risco; mudanças nos cuidados neonatais. muitos estudos mostram maior morbidade e mortalidade nos prematuros tardios comparados aos recém-nascidos a termo, além de sequelas e complicações de longo prazo. Estudos mais recentes avaliam estratégias para melhorar o prognóstico destes recém-nascidos. 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subjects Adult
Child
Child, Preschool
Early neonatal mortality
Female
Fetal Organ Maturity
Gestational Age
Gravidez de alto risco
High-risk pregnancy
Humans
Incidence
Infant
Infant mortality
Infant Mortality - trends
Infant, Newborn
Infant, Premature
Infant, Premature, Diseases - mortality
Lung - embryology
Mortalidade infantil
Mortalidade neonatal
Mortalidade neonatal precoce
Neonatal mortality
PEDIATRICS
Pregnancy
Premature Birth - epidemiology
Preterm labor
Time Factors
Trabalho de parto prematuro
Trabalho de partoprematuro
Young Adult
title Late prematurity: a systematic review
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