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Timeliness of routine immunization in a population-based Italian cohort of very preterm infants: Results of the {ACTION} follow-up project



شناسه مقاله
10.1016/j.vaccine.2013.12.044
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انگلیسی

Title: Timeliness of routine immunization in a population-based Italian cohort of very preterm infants: Results of the {ACTION} follow-up project

Authors: Alberto E. Tozzi and Simone Piga and Carlo Corchia and Domenico Di Lallo and Virgilio Carnielli and Valeria Chiandotto and Maria Cristina Fertz and Silvana Miniaci and Franca Rusconi and Marina Cuttini

Journal: Vaccine

Year: 2014

Abstract:

AbstractBackground Although very preterm infants are recommended to receive immunizations, according to their chronological age, immunization start in these infants is often delayed. Aim To measure coverage and timeliness of routine immunizations in Italian very preterm infants and to assess determinants of delay. Methods We followed up infants 22–۳۱ completed weeks of gestational age discharged from intensive care. We measured the proportion of children with one dose of diphtheria–tetanus–pertussis–poliohepatitis, B-Hib vaccine (DTP–Pol–HBV-Hib), measles–mumps–rubella vaccine (MMR), conjugate pneumococcal vaccine (Pnc), conjugate meningococcal C vaccine (MenC), and varicella vaccine (Var) by 24 months. We used the Kaplan Meier method and Cox proportional hazard models to estimate the age, at immunization start and determinants of timeliness for each vaccine. Results Data on 1102 (92.1%) children out of 1196 included in the cohort were analyzed. Immunization start by 24 months of age occurred in 95.9% of children for DTP–Pol–HBV-Hib; 84.0% for MMR; 49.7% for Pnc; 38.5% for MenC; and 4.1% for Var. Eighty-seven percent of participants received the first dose of DTP–Pol–HBV-Hib by 6 months of age, and 66.7% had their first {MMR} administered by 18 months. Hospitalization was associated with delay for all vaccines with the exception of MenC and Var. Maternal employment was associated with earlier immunization for MMR, Pnc, and MenC. DTP–Pol–HBV-Hib timeliness improved with increasing birthweight and paternal employment and decreased with a larger number of siblings in the household. {MMR} was delayed in children with cerebral palsy, and in those with a larger number of children in the household. Immunization for Pnc was delayed in children with larger number of siblings. Conclusions Immunization start for all vaccines was considerably delayed in many very preterm infants. Public health strategies taking into account determinants of delay should be implemented to improve coverage and timeliness of vaccination in this group of infants.

Keywords: Immunization, Preterm infants, Immunization age, Immunization rate

ترجمه فارسی
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عنوان: به موقع بودن ایمن سازی در یک گروه ایتالیایی مبتنی بر جمعیت نوزادان نارس بسیار: نمایش نتایج: از {اقدام} پروژه پیگیری

نویسندگان: Alberto E. Tozzi and Simone Piga and Carlo Corchia and Domenico Di Lallo and Virgilio Carnielli and Valeria Chiandotto and Maria Cristina Fertz and Silvana Miniaci and Franca Rusconi and Marina Cuttini

ژورنال: Vaccine

سال: ۲۰۱۴

چکیده:
استراتژی های بهداشتی عمومی در نظر گرفتن عوامل حساب تاخیر باید اجرا برای بهبود پوشش و بهنگام بودن واکسیناسیون در این گروه از نوزادان
کلمات کلیدی:   ایمن سازی، نوزادان نارس، سن ایمن سازی، ایمن سازی نرخ

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سفارش ترجمه

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