
Maternal and Child Health Library
This and past issues of the MCH Alert are available at http://www.mchlibrary.info/alert/archives.html
September 4, 2009
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Special Notice: The National Institutes of Health convened a
state-of-the-science conference on August 24-26, 2009, in Bethesda,
Maryland, to review the evidence on the role of family history, its
validity in the primary care setting, and its effect on individual and
population health outcomes. The panel's draft statement, conference
abstracts, archived Webcast, evidence-based practice center report,
conference questions, sponsors, agenda, and media resources are
available at http://consensus.nih.gov/2009/Fhx%20images/familyhistory_draftstmt.pdf
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1. MCH Library Releases New Edition of Knowledge Path
About Children with Special Health Care Needs
2. Journal Supplement Focuses on Adolescent Obesity and
the Need for Evidence-Based Policy and Environmental Solutions
3. Article Summarizes Key Findings on Challenges and
Priorities for Stillbirth Surveillance
4. Study Assesses Obstetrician-Gynecologists' Views and
Practices Related to Immunization
5. Authors Examine Pre-Pregnancy Overweight Status
Between Pregnancies, and Pregnancy Outcomes
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1. MCH LIBRARY RELEASES NEW EDITION OF KNOWLEDGE PATH ABOUT CHILDREN
WITH SPECIAL HEALTH CARE NEEDS
Children with Special Health Care Needs: Knowledge Path is an
electronic guide to resources that analyze data, describe effective
programs, and report on policy and research aimed at developing systems
of care for children and youth with special health care needs that are
family-centered, community-based, coordinated, and culturally
competent. The new edition of the knowledge path, produced by the
Maternal and Child Health (MCH) Library at Georgetown University,
contains information on Web sites, publications, databases, and social
media for health professionals, program administrators, policymakers,
educators, researchers, and families. Separate sections address
specific aspects of care and development, such as early intervention
and education, financing services, rehabilitation, screening, and
transition. The knowledge path will be updated periodically. The
knowledge path is available at http://www.mchlibrary.info/KnowledgePaths/kp_cshcn.html
MCH Library knowledge paths on other topics are available at
http://www.mchlibrary.info/KnowledgePaths/index.html. The MCH Library
welcomes feedback on the usefulness and value of these knowledge paths.
A feedback form is available at http://www.mchlibrary.info/feedback/index.html
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2. JOURNAL SUPPLEMENT FOCUSES ON ADOLESCENT OBESITY AND THE NEED FOR
EVIDENCE-BASED POLICY AND ENVIRONMENTAL SOLUTIONS
The supplement to the September 2009 issue of the Journal of Adolescent
Health highlights recent findings that illustrate the breadth and depth
of research related to adolescent obesity prevention and its relevance
for informing policy changes. The articles in the supplement are based
on research funded by the Robert Wood Johnson Foundation aimed at
providing key decision-makers and policymakers with evidence to guide
and accelerate effective action to reverse the rise in childhood
obesity. The supplement begins with a commentary that describes the
scope of adolescent obesity, its impact on heath and society, and the
foundation's vision for reversing the epidemic by 2015. In an article
following the commentary, the authors present a framework for action to
promote healthier eating and physical activity. Additional studies in
the issue deal with improving the food environment at schools, food
marketing, and soda taxes. Other articles focus on schools and parks,
both of which are settings in which adolescents frequently engage in
physical activity and both of which can be influenced by policy. The
supplement is intended to guide the efforts of practitioners,
advocates, and policymakers in improving adolescents’ diets, increasing
their participation in physical activity, and helping to prevent
adolescent obesity. It is available to subscribers at http://jahonline.org/issues/contents?issue_key=S1054-139X(09)X0013-3
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3. ARTICLE SUMMARIZES KEY FINDINGS ON CHALLENGES AND PRIORITIES FOR
STILLBIRTH SURVEILLANCE
"Existing birth defects surveillance programs provide the necessary
infrastructure and methodology to expand their surveillance
capabilities to include stillbirths," state the authors of an article
published in the September-October 2009 issue of Public Health Reports.
One of the challenges in conducting epidemiologic studies of stillbirth
has been the limited availability of reliable population-based
surveillance data. In 2005, two birth defects surveillance programs,
the Metropolitan Atlanta Congenital Defects Program (MACDP) and the
Iowa Registry of Congenital and Inherited Disorders (IRCID), initiated
pilot studies to examine the feasibility of leveraging the resources of
existing birth defects surveillance programs to conduct surveillance of
stillbirths. Using existing population-based birth defects registries
that employ active case finding is a novel approach to addressing the
data gaps and limitations in fetal death reports. As a first step in
planning for these pilot projects, two expert workshops were conducted
during April and July 2005 to address key aspects of active,
population-based surveillance on stillbirths: (1) case identification
and ascertainment, (2) data collection and quality, and (3) data use
and project evaluation. Workshop participants included experts in
obstetrics, maternal-fetal medicine, perinatology, midwifery,
pediatrics, epidemiology, and pediatric pathology. The article
summarizes the key findings of these two workshops.
The authors found that
- Clear definitions describing both ascertainment and reporting
criteria of cases need to be established, with guidelines describing a
systematic approach to reviewing the data. Multiple sources of
information are needed for case finding.
- Basic demographic information is a minimum requirement for data
collection. The ideal data set would reflect all available information
necessary to inform on strategies to reduce risk factors, potential
causes, and associated conditions with each event. Fetal autopsy and
placental histopathology are two essential components to an adequate
evaluation that are often not routinely and systematically performed.
- Long-term strategies involving multiple stakeholders are needed
to improve the quality of data generated and recorded when stillbirth
occurs. These strategies include the development of guidelines for
postmortem evaluation, along with awareness, education, and training
for health professionals in the appropriate use of these protocols and
guidelines. Likewise, ongoing awareness and training are needed at the
state level to educate health professionals on the various reporting
requirements for fetal deaths.
"The suggestions and ideas resulting from these workshops are
invaluable for planning the expansions of MACDP and IRCID to begin
surveillance on stillbirths," state the authors. They conclude that
"preliminary results from the MACDP and IRCID projects will illustrate
the potential contributions that enhancing current stillbirth
surveillance activities will provide, justifying the additional costs
and resources needed for implementation and project maintenance."
Duke CW, Correa A, Romitti PA, et al. 2009. Challenges and priorities
for surveillance of stillbirths: A report on two workshops. Public
Health Reports 124(5):652-659. Available to subscribers at http://www.publichealthreports.org/archives/issuecontents.cfm?Volume=124&Issue=5
Readers: More information is available from the following MCH Library
resource:
- Infant Mortality and Pregnancy Loss: Knowledge Path at
http://mchlibrary.info/KnowledgePaths/kp_infmort.html
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4. STUDY ASSESSES OBSTETRICIAN-GYNECOLOGISTS' VIEWS AND PRACTICES
RELATED TO IMMUNIZATION
"Although obstetrician-gynecologists have incorporated some vaccines
into practice, most notable HPV [human papillomavirus) and influenza,
barriers to providing immunizations remain," write the authors of an
article published in the September 2009 issue of the American Journal
of Preventive Medicine. Vaccines have been a public health success. The
Centers for Disease Control and Prevention has suggested that women of
childbearing age should receive risk assessment for infectious diseases
and the appropriate vaccinations. Although studies have shown that
obstetrician-gynecologists perceive that providing vaccinations is part
of their clinical responsibilities, less than half screen women for
vaccination status, and few provide the full complement of vaccinations
appropriate for pregnant women. This article reports on a study that
assessed respondents' vaccination practices and knowledge and potential
barriers to providing vaccinations.
Study participants were practicing members of the American College of
Obstetricians and Gynecologists. Participants completed a survey with
questions on topics including demographic characteristics, practice
related to specific vaccines, opinions of immunization education and
which vaccines are safe to administer during pregnancy, and perceived
barriers to vaccine administration. A total of 394 surveys were
returned.
- A majority (78.7 percent) responded that they stock and
administer at least one vaccine. The most common were HPV and influenza.
- Physicians who provide primary care were more likely than other
physicians to administer vaccinations (85.5 percent vs. 75.4 percent).
- Most of the physicians either disagreed (40.9 percent) or
strongly disagreed (24.6 percent) with the following statement "routine
screening for vaccine-preventable diseases falls outside of the routine
practice of an ob/gyn."
- The physicians primarily reported that their immunization
training during medical school and residency was barely adequate (39.8
percent and 34.9 percent, respectively).
- Most of the physicians (86.2 percent) indicated that their
practices would benefit from continuing medical education on
immunization.
- Barriers to administering vaccinations can be divided into three
categories: financial, not usual practice, and safety concerns.
- Most of the physicians were aware that the influenza (89.8
percent), hepatitis B (64.9 percent), and Tdap (58.6 percent) vaccines
are safe to administer during pregnancy, and that MMR (97.5 percent)
and varicella (92.9 percent) are not.
The authors conclude that "strategies that provide increased training
and more reliable reimbursement may increase vaccination practices for
obstetrician-gynecologists."
Power ML, Leddy MA, Britta LA. 2009. Obstetrician-gynecologists'
practices and perceived knowledge regarding immunization. American
Journal of Preventive Medicine 37(3):231-234. Abstract available at http://www.ajpm-online.net/article/S0749-3797(09)00392-4/abstract
Readers: More information is available from the following MCH Library
resource:
- Immunizations: Resource Brief at
http://mchlibrary.info/guides/immunization.html
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5. AUTHORS EXAMINE PRE-PREGNANCY OVERWEIGHT STATUS BETWEEN PREGNANCIES,
AND PREGNANCY OUTCOMES
"In the current study, 76 [percent] of the overweight women had
excessive first pregnancy weight gains and a third of those women
changed their prepregnancy BMI [body mass index] at second pregnancy to
obese in comparison to only 28 [percent] and 25 [percent],
respectively, for women with normal and low pregnancy weight gains,"
state the authors of an article published in the Journal of Women's
Health (ahead of print) on August 21, 2009. The number of women who are
overweight before they become pregnant is increasing. The article looks
at women with pre-pregnancy overweight weight status and examines
factors associated with BMI shift between successive pregnancies in
desirable (overweight to normal or underweight) and undesirable
(overweight to obese) directions, respectively. The authors also
examine the relationship between changes in pre-pregnancy overweight to
normal or obese BMI and changes in select pregnancy and newborn
outcomes.
Data for the study were drawn from a master database linking
information on Missouri's resident live births with successive births
to individual women in Kansas City. The study examined data for the
period 1995-2004 and was limited to women who were initially
nulliparous and had singleton births for each pregnancy. Maternal
pre-pregnancy height and weight, collected from Missouri birth
certificates, were used to determine BMI. The sample included 1,035
women whose pre-pregnancy BMI classified them as overweight (BMI
25.0-29.9). The analyses examined (1) changes in pre-pregnancy
overweight to pre-pregnancy underweight (BMI less than or equal to
18.5), normal (BMI 18.6-24.9), or obese (BMI 30.0 or more) between
first and second pregnancies and (2) changes in select pregnancy
outcomes (pregnancy hypertension, premature birth, emergency cesarean
section) and newborn outcomes (small for gestational age, large for
gestational age). A distribution of second births by pre-pregnancy BMI
was completed, as was a distribution of all variables of interest
derived from birth certificates of the first births. The variables
included age, race, education, marital status, Medicaid beneficiary,
prenatal care, pregnancy smoking, pregnancy weight gain, and the
interval between the first and the second birth.
The authors found that
- At second pregnancy, 55 percent of the women remained overweight,
33 percent had BMI 30 or more (obese), and 12 percent had BMI 24.9 or
less (normal or underweight).
- The shift from overweight pre-pregnancy status to obese status at
the second pregnancy was statistically significant for the variables of
being unmarried and having a long interval between the first and the
second pregnancy (18 months or more).
- The shift from overweight pre-pregnancy status to normal or
underweight status at the second pregnancy was statistically
significant for the variable of pregnancy low-normal weight gain.
"Clinical interventions . . . should be focused on appropriate weight
gain during pregnancy and motivators for loss of pregnancy-related
weight during the postpartum period," conclude the authors.
Hoff GL, Cai J, Okah FA, et al. 2009. Pre-pregnancy overweight status
between successive pregnancies and pregnancy outcomes. Journal of
Women's Health [published online ahead of print on August 21, 2009].
Abstract available at http://www.liebertonline.com/doi/abs/10.1089/jwh.2008.1290
Readers: More information is available from the following MCH Library
resource:
- Preconception and Pregnancy: Knowledge Path at
http://mchlibrary.info/KnowledgePaths/kp_pregnancy.html
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MCH Alert © 1998-2009 by National Center for Education in Maternal
and
Child Health and Georgetown University. MCH Alert is produced by
Maternal and Child Health Library at the National Center for Education
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MANAGING EDITOR: Jolene Bertness
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LIST ADMINISTRATOR: Beth DeFrancis Sun
MCH Alert
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Phone: (202) 784-9770
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