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      Nacimiento de recién nacidos de bajo peso en institución filantrópica terciaria del Municipio de Piracicaba Translated title: Nascimento de recém-nascidos de baixo peso em instituição filantrópica terciária do Município de Piracicaba

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          Abstract

          Objetivo: Identificar factores de riesgo asociados al nacimiento de recién nacidos de bajo peso y comparar estos factores entre los neonatos de bajo peso y peso adecuado para la edad gestacional. Métodos: Estudio de caso control, con enfoque cuantitativo, basado en el análisis documental de tablas de recién nacidos de bajo peso del Hospital Santa Casa de Misericórdia de Piracicaba, en São Paulo. Fue realizado en el periodo de enero a diciembre de 2007. Resultados: Se incluyeron en la investigación 129 neonatos. De entre las variables analizadas tres estaban asociadas al nacimiento de bajo peso en la institución en estudio: el tabaquismo (x² = 11,91), el número de consultas de prenatal (x² = 36,87) y la presencia de enfermedades gestacionales (x² = 125,24). Conclusión: Es importante realizar programas preventivos, basados en estudios epidemiológicos para disminuir el nacimiento de neonatos de bajo peso y, consecuentemente, influir en la reducción de tasas de mortalidad infantil.

          Translated abstract

          Objetivo: Identificar fatores de risco associados ao nascimento de recém-nascidos de baixo peso e comparar estes fatores entre os neonatos de baixo peso e peso adequado para a idade gestacional. Métodos: Trata-se por um estudo de caso-controle, com abordagem quantitativa, baseado na análise documental de prontuários de recém-nascidos de baixo peso do Hospital Santa Casa de Misericórdia de Piracicaba, em São Paulo. Foi realizado no período de janeiro a dezembro de 2007. Resultados: Foram incluídos na pesquisa 129 neonatos. Dentre as variáveis analisadas três estavam associadas ao nascimento de baixo peso na instituição em estudo: o tabagismo (x² = 11,91), o número de consultas de pré-natal (x² = 36,87) e a presença de doenças gestacionais (x² = 125,24). Conclusão: É importante realizar programas preventivos, baseados em estudos epidemiológicos para diminuir o nascimento de neonatos de baixo peso e, conseqüentemente, influenciar na redução de taxas de mortalidade infantil.

          Translated abstract

          Objective: To identify risk factors associated with the birth of newborns with low birth weight and compare these factors among newborns with low weight and weight appropriate for gestational age. Methods: a case-control study, with quantitative approach, based on the analysis of documentary records of newborns with low birth weight, Hospital Santa Casa de Misericordia de Piracicaba, in Sao Paulo. The study was conducted from January to December 2007. Results: 129 neonates were included in the survey. Among the factors analyzed, only three are associated with low birth weight in the institution under study: smokers (x² = 11.91), the number of pre-natal care visits (x² = 36.87) and the presence of serious pregnancy illnesses (x² = 125.24). Conclusion: It is important to carry out preventive programs, based on epidemiological studies to decrease the number of births of newborns with low weight and, consequently, help to reduce infant mortality rates.

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          Assistência Pré-Natal: Manual Técnico

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            Bioestatística: tópicos avançados

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              Delayed childbearing and its impact on population rate changes in lower birth weight, multiple birth, and preterm delivery.

              This study quantified the impact of delayed childbearing (maternal age greater-than-or-equal to 35 years) on population rate changes in low birth weight (LBW; < 2500 g), preterm delivery (< 37 weeks), multiple births, and small for gestational age (SGA; < 10th percentile) in Alberta, Canada, between 1990 (N = 42 930) and 1996 (N = 37 710). Data were obtained from the provincial notification of a live or stillbirth. Analyses included relative risk estimates and chi(2) tests for trend. Potential confounding attributable to in vitro fertilization was investigated. The proportion of births to women greater-than-or-equal to 35 years of age was 8.4% in 1990 and 12.6% in 1996, a 51.2% increase. Among these women, LBW delivery increased 11%, and preterm delivery increased 14%. Delayed childbearing accounted for 78% of the change in LBW rate in the population and 36% of the change in preterm delivery rate in the population. Provincial multiple birth rates increased by 15% for twins and 14% for triplets. Delayed childbearing accounted for 15% of the twin increase and 69% of the triplet increase. When in vitro fertilization pregnancies were excluded, the change was 43% for preterm rates, 100% for LBW, 14% for twins, and 9% for triplets. Delayed childbearing did not contribute to changes in singleton SGA deliveries. The findings suggest that the recent increase in LBW and preterm delivery is partly related to the population phenomenon of delayed childbearing. Maternal age was not related to changes in SGA, suggesting that the age effect is through pregnancy complications that lead to preterm delivery and LBW. Prospective parents should be informed about the higher risk for neonatal morbidity associated with delayed childbearing. Health care providers should be aware of the impact of delayed childbearing on health care resources.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                eg
                Enfermería Global
                Enferm. glob.
                Universidad de Murcia (Murcia, Murcia, Spain )
                1695-6141
                July 2011
                : 10
                : 23
                : 61-75
                Affiliations
                [01] orgnameHospital Centro Médico de Campinas orgdiv1Unidad de Terapia Intensiva Pediátrica
                [02] São Paulo orgnameFaculdade de Enfermagem do Hospital Israelita Albert Einstein (FEHIAE) orgdiv1Departamento Materno-Infantil Brasil
                Article
                S1695-61412011000300006
                10.4321/S1695-61412011000300006
                ba98cb88-cb53-4791-987c-b10c5d54a4a2

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 24, Pages: 15
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                SciELO Spain


                Fatores de risco,Recém-nascido,Peso ao nascer,Baixo peso,Factores de riesgo,Recién nacido,Peso al nacer,Bajo peso,Risk factors,Newborn,Birth weight,Low birth weight

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