TY  - JOUR
A1  - He, Jing
A1  - Liu, Zhi-Wei
A1  - Lu, Yong-Ping
A1  - Li, Tao-Yuan
A1  - Liang, Xu-Jing
A1  - Arck, Petra
A1  - Huang, Si-Min
A1  - Hocher, Berthold
A1  - Chen, You-Peng
T1  - A systematic review and meta-analysis of influenza a virus infection during pregnancy associated with an increased risk for stillbirth and low birth weight
JF  - Kidney & blood pressure research : official organ of the Gesellschaft für Nephrologie ; official organ of the Deutsche Liga zur Bekämpfung des Hohen Blutdruckes e.V., Deutsche Hypertonie-Gesellschaft
N2  - Background/Aims: Impaired pregnancy outcomes, such as low birth weight are associated with increased disease risk in later life, however little is known about the impact of common infectious diseases during pregnancy on birth weight. The study had two aims: a) to investigate risk factors of influenza virus infection during pregnancy, and b) to analyze the impact of influenza virus infection on pregnancy outcome, especially birth weight.
Methods: Prospective and retrospective observational studies found in PubMed, MEDLINE, Embase, Google Scholar, and WangFang database were included in this meta analysis. Data of included studies was extracted and analyzed by the RevMan software.
Results: Pregnant women with anemia (P=0.004, RR=1.46, 95% CI: 1.13-1.88), obesity (P<0.00001, RR=1.35, 95% CI: 1.25-1.46) and asthma (P<0.00001, RR=1.99, 95% CI: 1.67-2.37) had higher rates of influenza virus infection. Regarding birth outcomes, influenza A virus infection did not affect the likelihood for cesarean section. Mothers with influenza had a higher rate of stillbirth (P=0.04, RR=2.36, 95% CI: 1.05-5.31), and their offspring had low 5-minute APGR Scores (P=0.009, RR=1.39, 95% CI: 1.08-1.79). Furthermore, the rate for birth weight < 2500g (P=0.04, RR=1.71, 95% CI: 1.03-2.84) was increased.
Conclusion: Results of this study showed that anemia, asthma and obesity during pregnancy are risk factors influenza A virus infection during pregnancy. Moreover, gestational influenza A infection impairs pregnancy outcomes and increases the risk for low birth weight, a known risk factor for later life disease susceptibility.
KW  - Apgar score
KW  - Influenza virus
KW  - Offspring
KW  - Outcome
KW  - Pregnancy
KW  - Stillbirth
KW  - Birth weight
Y1  - 2017
U6  - https://doi.org/10.1159/000477221
SN  - 1420-4096
SN  - 1423-0143
VL  - 42
IS  - 2
SP  - 232
EP  - 243
PB  - Karger
CY  - Basel
ER  - 
TY  - JOUR
A1  - Reichetzeder, Christoph
A1  - Chen, Hong
A1  - Foeller, Michael
A1  - Slowinski, Torsten
A1  - Li, Jian
A1  - Chen, You-Peng
A1  - Lang, Florian
A1  - Hocher, Berthold
T1  - Maternal vitamin D deficiency and fetal programming - lessons learned from humans and mice
JF  - Kidney & blood pressure research : official organ of the Gesellschaft für Nephrologie
N2  - Background/Aims: Cardiovascular disease partially originates from poor environmental and nutritional conditions in early life. Lack of micronutrients like 25 hydroxy vitamin D-3 (25OHD) during pregnancy may be an important treatable causal factor. The present study explored the effect of maternal 25OHD deficiency on the offspring. Methods: We performed a prospective observational study analyzing the association of maternal 25OHD deficiency during pregnancy with birth outcomes considering confounding. To show that vitamin D deficiency may be causally involved in the observed associations, mice were set on either 25OHD sufficient or insufficient diets before and during pregnancy. Growth, glucose tolerance and mortality was analyzed in the F1 generation. Results: The clinical study showed that severe 25OHD deficiency was associated with low birth weight and low gestational age. ANCOVA models indicated that established confounding factors such as offspring sex, smoking during pregnancy and maternal BMI did not influence the impact of 25OHD on birth weight. However, there was a significant interaction between 25OHD and gestational age. Maternal 25OHD deficiency was also independently associated with low APGAR scores 5 minutes postpartum. The offspring of 25OHD deficient mice grew slower after birth, had an impaired glucose tolerance shortly after birth and an increased mortality during follow-up. Conclusions: Our study demonstrates an association between maternal 25OHD and offspring birth weight. The effect of 25OHD on birth weight seems to be mediated by vitamin D controlling gestational age. Results from an animal experiment suggest that gestational 25OHD insufficiency is causally linked to adverse pregnancy outcomes. Since birth weight and prematurity are associated with an adverse cardiovascular outcome in later life, this study emphasizes the need for novel monitoring and treatment guidelines of vitamin D deficiency during pregnancy.
KW  - Vitamin D
KW  - Birth weight
KW  - Preterm delivery
KW  - Fetal programming
KW  - Glucose tolerance
KW  - Cardiovascular diseases
Y1  - 2014
U6  - https://doi.org/10.1159/000355809
SN  - 1420-4096
SN  - 1423-0143
VL  - 39
IS  - 4
SP  - 315
EP  - 329
PB  - Karger
CY  - Basel
ER  -