[Influenza vaccination in pregnant women. Coverage, practices and knowledge among obstetricians].

Servei de Medicina Preventiva i Epidemiologia, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, España.
Medicina Clínica (Impact Factor: 1.42). 11/2009; 134(4):146-51.
Source: PubMed


Women who are pregnant during influenza season have an increased risk of infection and severe clinical disease. Several national and international organizations currently recommend vaccination for pregnant women. We intended to estimate the influenza vaccination rate in a population of postpartum women attended in a tertiary hospital in Barcelona. Moreover, we assessed the knowledge and practice of obstetricians about influenza vaccination during pregnancy.
Two cross-sectional surveys were performed. Postpartum women who delivered from December 2007 to February 2008 were included. The sample of obstetricians was constituted by those who were working in hospital or primary care reference areas.
Influenza vaccination rate was 4.1%. Healthy women represented 80.5% of our population. The vaccination rate in the group with comorbidities was 3.3%. The providers who recommended the vaccine more frequently were the midwife in 28.9% and the nurse in 18.4%. Among the obstetricians, 20.9% responded that the influenza vaccine was recommended in the first trimester of pregnancy and 65.1% said that it was recommended in the second or third trimester. In relation to practice, only 7% offered the vaccine in the first trimester and 20,9% in the second or third trimester.
The influenza vaccination rate in pregnant women in our study is very low. Obstetricians showed a low level of knowledge about the current influenza vaccination recommendations, mainly in the case of first trimester of pregnancy and only few offered the vaccine in their practice.

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    ABSTRACT: Seasonal influenza is responsible for three to five million severe cases of disease annually, and up to 500,000 deaths worldwide. Pregnant women and infants suffer disproportionately from severe outcomes of influenza. The excellent safety profile and reliable immunogenicity of inactivated influenza vaccine support WHO recommendations that pregnant women be vaccinated to decrease complications of influenza disease during pregnancy. Nevertheless, influenza vaccine is not routinely used in most low-and middle-income countries and is not widely used in pregnant women worldwide. Two recent prospective, controlled trials of maternal influenza vaccination in Bangladesh and US Native American reservations demonstrated that inactivated influenza vaccine given to pregnant women can decrease laboratory-confirmed influenza virus infection in their newborn children. These studies support consideration of the feasibility of targeted influenza vaccine programs in resource-constrained countries. Platforms exist for the delivery of influenza vaccine to pregnant women worldwide. Even in the least developed countries, an estimated 70% of women receive antenatal care, providing an opportunity for targeted influenza vaccination. Challenges to the introduction of maternal influenza vaccination in resource-constrained countries exist, including issues regarding vaccine formulation, availability, and cost. Nonetheless, maternal influenza vaccination remains an important and potentially cost-effective approach to decrease influenza morbidity in two high-risk groups - pregnant women and young infants.
    Full-text · Article · Jun 2011 · Vaccine
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    ABSTRACT: (, a website founded by the Spanish Association of Vaccinology offers a personalized service called Ask the Expert, which answers any questions posed by the public or health professionals about vaccines and vaccination. The aim of this study was to analyze the factors associated with questions on vaccination safety and determine the characteristics of questioners and the type of question asked during the period 2008-2010. A total of 1341 questions were finally included in the analysis. Of those, 30% were related to vaccine safety. Questions about pregnant women had 5.01 higher odds of asking about safety (95% CI 2.82-8.93) than people not belonging to any risk group. Older questioners (>50 years) were less likely to ask about vaccine safety compared to younger questioners (OR: 0.44, 95% CI 0.25-0.76). Questions made after vaccination or related to influenza (including H1N1) or travel vaccines were also associated with a higher likelihood of asking about vaccine safety. These results identify risk groups (pregnant women), population groups (older people) and some vaccines (travel and influenza vaccines, including H1N1) where greater efforts to provide improved, more-tailored vaccine information in general and on the Internet are required.
    Full-text · Article · Oct 2011 · Vaccine
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    ABSTRACT: Comprehensive vaccination in pregnancy is related to immunization before, during or after gestation, and aims to protect the mother and the newborn. The risks to which every pregnant woman is exposed and the potential benefits of vaccination must be evaluated on an individual basis. In the context of emerging infectious diseases such as pertussis, the need to update traditional recommendations is particularly important. This article describes the main vaccination strategies during pregnancy agreed by different expert institutions. The vaccines indicated during pregnancy, and those that should be considered in the immediate postpartum or prior to pregnancy are reviewed. Finally, the vaccines to be considered during pregnancy before international travel are discussed.
    No preview · Article · Jan 2013 · Progresos de Obstetricia y Ginecología

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