| Perinatal outcomes associated with preterm birth at 33 to 36 weeks' gestation: a population-based cohort study. | |
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MedLine Citation:
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PMID: 19117868 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: The aim of our population-based study was to compare the mortality and morbidity of late-preterm infants to those born at term. Advancement in the care of extremely preterm infants has led to a shift of focus away from the more mature preterms, who are being managed as "near terms" and treated as "near normal." Some recent studies have suggested an increased risk of mortality and morbidity in this group compared with infants born at term. However, there are few population-based mortality and morbidity statistics for this cohort, particularly reflecting current practice. METHODS: Using data from the British Columbia Perinatal Database Registry we analyzed all singleton births between 33 and 40 weeks' gestation from April 1999 to March 2002 in the province of British Columbia, Canada. We divided this birth cohort into late preterm (33-36 weeks, n = 6381) and term (37-40 weeks, n = 88 867) groups. We compared mortality and morbidity data and associated maternal factors between the 2 groups. RESULTS: Stillbirth rate and perinatal, neonatal, and infant mortality rates were significantly higher in the late-preterm group. Infants in this group needed resuscitation at birth more frequently than those in the term group. Late-preterm infants had a significantly higher incidence of respiratory morbidity and infection and had a significantly longer duration of hospital stay. Maternal factors that were more common in the late-preterm group included chorioamnionitis, hypertension, diabetes, thrombophilia, prelabor rupture of membranes, primigravida, and teenage pregnancy. CONCLUSIONS: Our data support recent literature regarding neonatal mortality and morbidity in late-preterm infants and warrants a review of care for this group at the local, national, and global levels. Reorganization of services and increased resource allocation may be needed in most hospitals and community settings to achieve optimization of care for this group of infants. |
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Authors:
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Minesh Khashu; Manjith Narayanan; Seema Bhargava; Horacio Osiovich |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Pediatrics Volume: 123 ISSN: 1098-4275 ISO Abbreviation: Pediatrics Publication Date: 2009 Jan |
Date Detail:
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Created Date: 2009-01-01 Completed Date: 2009-02-06 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0376422 Medline TA: Pediatrics Country: United States |
Other Details:
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Languages: eng Pagination: 109-13 Citation Subset: AIM; IM |
Affiliation:
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Neonatal Service, Poole Hospital NHS Foundation Trust, Dorset, England. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Cohort Studies Female Humans Infant Infant Mortality / trends Infant, Newborn Infant, Premature Perinatal Care / trends Population* Pregnancy Pregnancy Outcome / epidemiology* Premature Birth / mortality*, therapy Registries / statistics & numerical data |
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