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Review Article:
The association between maternal exposure to organophosphate pesticides and neonatal anthropometric measures: A systematic review and meta-analysis
Mehri Khoshhali, Soheila Davoodi, Karim Ebrahimpour, Bahareh Shoshtari-Yeganeh, Roya Kelishadi
J Res Med Sci
2020, 25:79 (24 August 2020)
DOI
:10.4103/jrms.JRMS_919_19
Background:
This study aimed to evaluate the epidemiological studies on the relationship between organophosphate (OP) pesticide exposure during pregnancy and neonatal anthropometric measures.
Materials and Methods:
In this systematic review and meta analyses, a comprehensive search of the literature for the association of maternal exposure to OP pesticides and birth outcome including birth weight, birth length, and head circumference was conducted from scientific databases of MEDLINE, Scopus, Web of Science, and Cochrane library until the end of April 2019. We used the following keyword to identify the relevant studies: “birth weight,” “birth length,” “pregnancy outcome,“”birth outcome,” “organophosphate pesticides,” and “organophosphate metabolites.” Only English language studies investigating the relationship between pregnant mothers' exposure to OP metabolites and birth outcomes were examined.
Results:
Of the 10 articles reviewed, eight studies used to assess the association with birth weight, as well as five, and six studies were used in meta analysis to determine the association between OP exposure and birth length and head circumference. Pooled estimates were performed using a fixed effects model or random effects model. No significant association was observed between maternal exposure to OPs and birth weight (β = 1.520;95% confidence interval [CI] [−10.781, 13.820]), birth length (β = −0.011; [−0.132, 0.109]), and head circumference (β =0.022; 95%CI [−0.06, 0.103]).
Conclusion:
Although the effect of maternal exposure to OP on the birth outcome is not completely clear, strategies should be adopted to control the use of these substances.
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Review Article:
Coronary vasomotion and exercise-induced adaptations in coronary artery disease patients: A systematic review and meta-analysis
Azra Ahmadi, Valiollah Dabidi Roshan, Arash Jalali
J Res Med Sci
2020, 25:76 (24 August 2020)
DOI
:10.4103/jrms.JRMS_580_18
Background:
Exercise can improve coronary blood flow in a healthy heart, but the vascular response of patients with coronary artery disease (CAD) is different. The aim of this study was to systematically review the chronic effects of exercise on coronary arterial function in CAD patients.
Materials and Methods:
Six electronic databases (PubMed, ScienceDirect, “Scopus,” Web of Science, EMBASE, and Google Scholar) covering publications from 1986 to 2019 were systematically searched with related keywords. Studies were included if they investigated changes in blood flow and coronary artery diameter in response to chronic exercise training in patients with CAD. A total of 5421 studies were assessed for quality and outcomes, and finally five studies met criteria for inclusion. For metaanalysis, the results of the studies were pooled using the randomeffects model. The heterogeneity between the studies was checked using
I
2
index.
Results:
The total sample population consisted of 108 CAD patients. According to the findings of this study, coronary artery function in adaptation with exercise showed that a period of exercise leads to statistically significant improvement in coronary flow velocity reserve (z = 3.15,
P
= 0.002; standardized mean difference [SMD] =2.33, 95% confidence interval [CI]: 0.88–3.78) (containing six trials). In addition, vasodilatory response of coronary arteries in response to endothelium-independent vasodilator nitroglycerin was investigated in three studies (containing four trials). A meta-analysis showed that performing chronic aerobic exercises did not make a significant change in the endothelium-independent vasodilator (
z
= 0.83,
P
= 0.40; SMD = −0.36, 95% CI: −1.21–0.49).
Conclusion:
Based on the results of the present study, aerobic exercises improve the endothelial function of coronary arteries and thereby the vascular vasomotion function, while the results of this meta-analysis showed no change in arterial smooth muscle's function by chronic aerobic exercises. This study reflects the lack of high- and medium-quality reports about the chronic effects of anaerobic and resistance exercises and the various methods of aerobic exercise on cardiovascular function.
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2023
January
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1
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2022
December
[
3
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September
[
2
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July
[
2
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May
[
1
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April
[
1
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March
[
2
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February
[
1
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2021
October
[
2
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September
[
3
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August
[
1
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July
[
2
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June
[
2
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May
[
2
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March
[
4
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February
[
3
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2020
December
[
1
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November
[
3
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August
[
2
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July
[
1
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June
[
4
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April
[
2
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March
[
1
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2019
December
[
1
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October
[
2
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August
[
2
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July
[
1
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May
[
1
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April
[
3
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March
[
1
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February
[
1
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January
[
2
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2018
December
[
1
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October
[
2
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September
[
1
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August
[
1
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July
[
2
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June
[
2
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April
[
1
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March
[
3
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February
[
1
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January
[
3
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2017
December
[
1
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November
[
1
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© Journal of Research in Medical Sciences | Published by Wolters Kluwer -
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Online since 9
th
February, 2015