Wednesday, November 20, 2019
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Prenatal nicotine intake during pregnancy may lead to systolic blood pressure issue among offsprings: Study

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Washington D.C. | October 20, 2019 9:11:32 PM IST
Mothers who consumed snus, which is moist powdered smokeless tobacco that contains nicotine, during their pregnancy, their offsprings are likely to suffer from systolic blood pressure, says a recent study.

Snus, when placed between gums and upper lip delivers high doses of nicotine yet, does not include the combustible by-products found in smoked tobacco. Unlike typical American chewing tobacco or dip, there is no need to spit when using snus.

According to study, nicotine use during pregnancy, regardless of whether it is in snus, cigarettes, smoked tobacco or vaped tobacco products, is not safe and may have a negative impact on the future health of the child.

"Nicotine easily passes through the placenta and reaches the developing fetus," said lead author Felicia Nordenstam, MD, PhD, senior consultant in pediatric cardiology at Karolinska Institutet University Hospital in Stockholm, Sweden.

The current study isolated nicotine exposure by studying women, who used only Swedish snus during pregnancy. Previous studies of women, who smoke during pregnancy, have consistently found adverse effects, including preterm birth, low birth weight, and stillbirth.

Studies have also found that children exposed to smoking while in utero have higher blood pressure. However, those studies could not separate the effect of nicotine from the effect of other smoking-related by-products.

They also could not control for the second-hand smoke exposure that many children of tobacco smokers experience after birth, says the study published in the journal -- 'American Heart Association.'

In this study, the researchers measured blood pressure and heart rate among 21 children, five to six years of age, whose mothers used snus during pregnancy and 19 children of similar ages whose mothers used no tobacco products during pregnancy.

They found that the systolic blood pressure of the children exposed to snus was 4.2 mmHg higher than the children with no nicotine exposure.

Systolic blood pressure is the top number in a blood pressure reading and is the force of the blood against the walls of the arteries when the heart is beating.

"Although the increase in blood pressure is not clinically significant for an individual child, because blood pressure generally follows an upward trajectory throughout an individual's life, it may increase more quickly to a point of clinical significance during adulthood, especially if paired with other risk factors such as obesity or inactivity," said Nordenstam. (ANI)

 
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