DISAMPING KANAN INI.............
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Paparan
udara polusi selama trimester kedua kehamilan dapat dikaitkan dengan risiko
meningkat asma pada anak-anak
Exposure
to air pollution during second trimester of pregnancy may be associated with
increased asthma risk in children
Date:
May 19, 2014
Source:
American Thoracic Society (ATS)
Summary:
Children who are exposed in utero to high levels of
particulate air pollution during the second trimester of pregnancy may be at
greater risk of developing asthma in early childhood, according to a new study.
The study included 430 full-term children followed to age 7 years and their
mothers. Daily exposure to air pollution from sources including traffic, power
plants, and other industrial sources consisting of fine particles in the
prenatal period was estimated based on where these mothers lived.
................
Children who are exposed in utero to high levels of particulate
air pollution during the second trimester of pregnancy may be at greater risk
of developing asthma in early childhood, according to a new study presented at
the 2014 American Thoracic Society International Conference.
"We
know that mothers' exposure to air pollution during pregnancy can affect lung
development of their babies and lead to subsequent respiratory disorders,
including asthma, although little is known about whether timing of the exposure
is important to consider," said lead author Yueh-Hsiu Mathilda Chiu, ScD,
from the Department of Pediatrics at Icahn School of Medicine at Mount Sinai in
New York. "In our study, we assessed whether higher exposure to
particulate air pollution at more specific time windows in pregnancy were
particularly linked to higher asthma risk in urban children."
The study
included 430 full-term children followed to age 7 years and their mothers.
Daily exposure to air pollution from sources including traffic, power plants,
and other industrial sources consisting of fine particles in the prenatal
period was estimated based on where these mothers lived. These fine particles,
which are more likely to be inhaled deep into the lungs, have been linked to
the greatest health risk and previous studies have suggested that effects on
pregnant women can be transferred to the growing baby.
The
researchers found that exposure to higher levels of fine particles in the
second trimester was most strongly associated with increased asthma onset among
the children, particularly for those born to non-obese mothers. "It is
possible that the effect of maternal obesity, another known risk factor of
childhood asthma onset, may be so strong that it was difficult to determine
additional effects of air pollution among children born to obese mothers in
this setting." . "While we should continue to improve air quality and
minimize exposure to pregnant women throughout the entire pregnancy for a host
of health reasons," said Dr. Rosalind Wright, MD MPH, senior investigator
from the Department of Pediatrics at Icahn School of Medicine at Mount Sinai,
"pinpointing the gestational period during which air pollution has the
greatest effects on the developing lung may add to our understanding of the
mechanisms underlying this relationship."
Story
Source:
The above
story is based on materials provided by American Thoracic Society (ATS). Note: Materials
may be edited for content and length.
Cite This
Page:
American Thoracic Society (ATS).
"Exposure to air pollution during second trimester of pregnancy may be
associated with increased asthma risk in children." ScienceDaily.
ScienceDaily, 19 May 2014.
<www.sciencedaily.com/releases/2014/05/140519114246.htm>.
