Effect of cord blood cotinine towards placental VEGF expression in pregnant second hand smoker / Muadz Baharom

Second hand smoking among pregnant mothers imposed a great danger to the fetus. Many complications are coined to many complications, as early as spontaneous abortion to the later developmental problem. Knowledge has been slightly increased on the mechanism of these complications, in particular on pl...

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Main Author:	Baharom, Muadz
Format:	Thesis
Language:	English
Published:	2016
Online Access:	https://ir.uitm.edu.my/id/eprint/18486/2/TM_MUADZ%20BAHAROM%20MD%2016_5.pdf
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spelling	my-uitm-ir.184862022-02-17T08:33:49Z Effect of cord blood cotinine towards placental VEGF expression in pregnant second hand smoker / Muadz Baharom 2016 Baharom, Muadz Second hand smoking among pregnant mothers imposed a great danger to the fetus. Many complications are coined to many complications, as early as spontaneous abortion to the later developmental problem. Knowledge has been slightly increased on the mechanism of these complications, in particular on placental insufficiency. However, there is no literature on the mechanistic process in second hand smoker. Although torrents of public health warnings, tobacco smoking is still common in many parts around the world. This situation can effect particularly in the case of pregnant women, whose tobacco smoking impairs health risk to the fetus and subsequent child as well as to themselves. This cross-sectional study of paired mother infant deliveries was conducted in Sungai Buloh Hospital. Inclusion criteria included non-smoking pregnant women at term, whose partners were smokers and exposed to cigarette smoking and had no previous medical illness. A questionnaire that indicated demographics and socio-economic data and its exposure among Second Hand Smoker (SHS) was filled up to the mothers prior to deliveries. Placenta cord blood for cotinine was collected immediately after birth and analyzed. The delivered placenta was examined and the findings were noted. Four standardized locations of sampling (1cm each from the insertion of the umbilical cord) were performed, preserved in formalin and transported to the Anatomic Pathology Laboratory for histology processes. Haematoxylin and Eosin (H&E) slides were prepared and examined by 2 senior pathologists to ascertain any histological findings. Further stain was performed by immunohistochemistry (IHC) using Human anti-VEGF monoclonal antibody. For cotinine level, cases showed 16.35 ± 12.84 ng/ml higher than controls which was highly significant (p-value O.001). Pearson's correlation analysis showed significant negative correlation between cord blood cotinine level and the placenta weight (pvalue = <0.001, r = -0.461), baby weight (p-value = <0.001, r = -0.297), head circumference (p-value = O.001, r = -0.501) and baby length (p-value = O.001, r = - 0.374). For IHC, there was a significant differences of the VEGF expression score among these groups (P < 0.001) which was up-regulated in cases group. Pearson's correlation analysis showed significant positive correlation between cotinine level and VEGF expression (p-value = <0.001, r = 0.345). It is possible to postulate the detrimental effect of a mother who are exposed to tobacco smoke via second hand smoking to their offspring at birth. 2016 Thesis https://ir.uitm.edu.my/id/eprint/18486/ https://ir.uitm.edu.my/id/eprint/18486/2/TM_MUADZ%20BAHAROM%20MD%2016_5.pdf text en public mphil masters Universiti Teknologi MARA Faculty of Medicine
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
description	Second hand smoking among pregnant mothers imposed a great danger to the fetus. Many complications are coined to many complications, as early as spontaneous abortion to the later developmental problem. Knowledge has been slightly increased on the mechanism of these complications, in particular on placental insufficiency. However, there is no literature on the mechanistic process in second hand smoker. Although torrents of public health warnings, tobacco smoking is still common in many parts around the world. This situation can effect particularly in the case of pregnant women, whose tobacco smoking impairs health risk to the fetus and subsequent child as well as to themselves. This cross-sectional study of paired mother infant deliveries was conducted in Sungai Buloh Hospital. Inclusion criteria included non-smoking pregnant women at term, whose partners were smokers and exposed to cigarette smoking and had no previous medical illness. A questionnaire that indicated demographics and socio-economic data and its exposure among Second Hand Smoker (SHS) was filled up to the mothers prior to deliveries. Placenta cord blood for cotinine was collected immediately after birth and analyzed. The delivered placenta was examined and the findings were noted. Four standardized locations of sampling (1cm each from the insertion of the umbilical cord) were performed, preserved in formalin and transported to the Anatomic Pathology Laboratory for histology processes. Haematoxylin and Eosin (H&E) slides were prepared and examined by 2 senior pathologists to ascertain any histological findings. Further stain was performed by immunohistochemistry (IHC) using Human anti-VEGF monoclonal antibody. For cotinine level, cases showed 16.35 ± 12.84 ng/ml higher than controls which was highly significant (p-value O.001). Pearson's correlation analysis showed significant negative correlation between cord blood cotinine level and the placenta weight (pvalue = <0.001, r = -0.461), baby weight (p-value = <0.001, r = -0.297), head circumference (p-value = O.001, r = -0.501) and baby length (p-value = O.001, r = - 0.374). For IHC, there was a significant differences of the VEGF expression score among these groups (P < 0.001) which was up-regulated in cases group. Pearson's correlation analysis showed significant positive correlation between cotinine level and VEGF expression (p-value = <0.001, r = 0.345). It is possible to postulate the detrimental effect of a mother who are exposed to tobacco smoke via second hand smoking to their offspring at birth.
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Baharom, Muadz
spellingShingle	Baharom, Muadz Effect of cord blood cotinine towards placental VEGF expression in pregnant second hand smoker / Muadz Baharom
author_facet	Baharom, Muadz
author_sort	Baharom, Muadz
title	Effect of cord blood cotinine towards placental VEGF expression in pregnant second hand smoker / Muadz Baharom
title_short	Effect of cord blood cotinine towards placental VEGF expression in pregnant second hand smoker / Muadz Baharom
title_full	Effect of cord blood cotinine towards placental VEGF expression in pregnant second hand smoker / Muadz Baharom
title_fullStr	Effect of cord blood cotinine towards placental VEGF expression in pregnant second hand smoker / Muadz Baharom
title_full_unstemmed	Effect of cord blood cotinine towards placental VEGF expression in pregnant second hand smoker / Muadz Baharom
title_sort	effect of cord blood cotinine towards placental vegf expression in pregnant second hand smoker / muadz baharom
granting_institution	Universiti Teknologi MARA
granting_department	Faculty of Medicine
publishDate	2016
url	https://ir.uitm.edu.my/id/eprint/18486/2/TM_MUADZ%20BAHAROM%20MD%2016_5.pdf
_version_	1783733688773640192

Effect of cord blood cotinine towards placental VEGF expression in pregnant second hand smoker / Muadz Baharom

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