Maternal Hepatitis B Infection Burden, Comorbidity and Pregnancy Outcome in a Low-Income Population on the Myanmar-Thailand Border: A Retrospective Cohort Study

Objectives. Hepatitis B virus (HBV) was believed to have minimal impact on pregnancy outcomes apart from the risk of perinatal transmission. In more recent years, there have been reports of adverse associations, most consistently preterm birth (PTB), but this is in the context of high rates of caesa...

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Main Authors: Marieke Bierhoff, Chaisiri Angkurawaranon, Aung Myat Min, Mary Ellen Gilder, Nay Win Tun, Arunrot Keereevijitt, Aye Kyi Win, Elsi Win, Verena Ilona Carrara, Tobias Brummaier, Cindy S. Chu, Laurence Thielemans, Kanlaya Sriprawat, Borimas Hanboonkunupakarn, Marcus Rijken, François Nosten, Michele van Vugt, Rose McGready
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:Journal of Pregnancy
Online Access:http://dx.doi.org/10.1155/2019/8435019
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author Marieke Bierhoff
Chaisiri Angkurawaranon
Aung Myat Min
Mary Ellen Gilder
Nay Win Tun
Arunrot Keereevijitt
Aye Kyi Win
Elsi Win
Verena Ilona Carrara
Tobias Brummaier
Cindy S. Chu
Laurence Thielemans
Kanlaya Sriprawat
Borimas Hanboonkunupakarn
Marcus Rijken
François Nosten
Michele van Vugt
Rose McGready
author_facet Marieke Bierhoff
Chaisiri Angkurawaranon
Aung Myat Min
Mary Ellen Gilder
Nay Win Tun
Arunrot Keereevijitt
Aye Kyi Win
Elsi Win
Verena Ilona Carrara
Tobias Brummaier
Cindy S. Chu
Laurence Thielemans
Kanlaya Sriprawat
Borimas Hanboonkunupakarn
Marcus Rijken
François Nosten
Michele van Vugt
Rose McGready
author_sort Marieke Bierhoff
collection DOAJ
description Objectives. Hepatitis B virus (HBV) was believed to have minimal impact on pregnancy outcomes apart from the risk of perinatal transmission. In more recent years, there have been reports of adverse associations, most consistently preterm birth (PTB), but this is in the context of high rates of caesarean section. The aim of this study was to explore the association of HBV on pregnancy outcomes in marginalized, low-income populations on the Myanmar-Thailand border. Methods. HBsAg positive (+) point of care rapid detection tests results were confirmed by immunoassays. Women with a confirmed HBsAg status, HIV- and syphilis-negative at first antenatal care screening, singleton fetus and known pregnancy outcome (Aug-2012 to Dec-2016) were included. Logistic regression analysis was used to evaluate associations between HBV group (controls HBsAg negative, HBsAg+/HBeAg-, or HBsAg+/HBeAg+) and pregnancy outcome and comorbidity. Results. Most women were tested, 15,046/15,114 (99.6%) for HBV. The inclusion criteria were not met for 4,089/15,046 (27.2%) women due mainly to unavailability of pregnancy outcome and nonconfirmation of HBsAg+. In evaluable women 687/11,025 (6.2%) were HBsAg+, with 476/11,025 (4.3%) HBsAg+/HBeAg- and 211/11,025 (1.9%) were HBsAg+/HBeAg+. The caesarean section rate was low at 522/8,963 (5.8%). No significant associations were observed between pregnancy comorbidities or adverse pregnancy outcomes and HBV status. Conclusions. The results highlight the disease burden of HBV in women on the Myanmar-Thailand border and support original reports of a lack of significant associations with HBsAg+ irrespective of HBeAg status, for comorbidity, and pregnancy outcomes in deliveries supervised by skilled birth attendants.
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spelling doaj-art-e9828493caf940f089b44563574f18e62025-02-03T05:44:23ZengWileyJournal of Pregnancy2090-27272090-27352019-01-01201910.1155/2019/84350198435019Maternal Hepatitis B Infection Burden, Comorbidity and Pregnancy Outcome in a Low-Income Population on the Myanmar-Thailand Border: A Retrospective Cohort StudyMarieke Bierhoff0Chaisiri Angkurawaranon1Aung Myat Min2Mary Ellen Gilder3Nay Win Tun4Arunrot Keereevijitt5Aye Kyi Win6Elsi Win7Verena Ilona Carrara8Tobias Brummaier9Cindy S. Chu10Laurence Thielemans11Kanlaya Sriprawat12Borimas Hanboonkunupakarn13Marcus Rijken14François Nosten15Michele van Vugt16Rose McGready17Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandDepartment of Family Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, ThailandShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandMahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Bangkok 10400, ThailandUtrecht University Medical Centre, Utrecht, Netherlands, and Julius Centre Global Health, Utrecht 3584 CX, NetherlandsShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandDivision of Infectious Diseases, Academic Medical Center, University of Amsterdam, Amsterdam, NetherlandsShoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Mae Sot 63110, ThailandObjectives. Hepatitis B virus (HBV) was believed to have minimal impact on pregnancy outcomes apart from the risk of perinatal transmission. In more recent years, there have been reports of adverse associations, most consistently preterm birth (PTB), but this is in the context of high rates of caesarean section. The aim of this study was to explore the association of HBV on pregnancy outcomes in marginalized, low-income populations on the Myanmar-Thailand border. Methods. HBsAg positive (+) point of care rapid detection tests results were confirmed by immunoassays. Women with a confirmed HBsAg status, HIV- and syphilis-negative at first antenatal care screening, singleton fetus and known pregnancy outcome (Aug-2012 to Dec-2016) were included. Logistic regression analysis was used to evaluate associations between HBV group (controls HBsAg negative, HBsAg+/HBeAg-, or HBsAg+/HBeAg+) and pregnancy outcome and comorbidity. Results. Most women were tested, 15,046/15,114 (99.6%) for HBV. The inclusion criteria were not met for 4,089/15,046 (27.2%) women due mainly to unavailability of pregnancy outcome and nonconfirmation of HBsAg+. In evaluable women 687/11,025 (6.2%) were HBsAg+, with 476/11,025 (4.3%) HBsAg+/HBeAg- and 211/11,025 (1.9%) were HBsAg+/HBeAg+. The caesarean section rate was low at 522/8,963 (5.8%). No significant associations were observed between pregnancy comorbidities or adverse pregnancy outcomes and HBV status. Conclusions. The results highlight the disease burden of HBV in women on the Myanmar-Thailand border and support original reports of a lack of significant associations with HBsAg+ irrespective of HBeAg status, for comorbidity, and pregnancy outcomes in deliveries supervised by skilled birth attendants.http://dx.doi.org/10.1155/2019/8435019
spellingShingle Marieke Bierhoff
Chaisiri Angkurawaranon
Aung Myat Min
Mary Ellen Gilder
Nay Win Tun
Arunrot Keereevijitt
Aye Kyi Win
Elsi Win
Verena Ilona Carrara
Tobias Brummaier
Cindy S. Chu
Laurence Thielemans
Kanlaya Sriprawat
Borimas Hanboonkunupakarn
Marcus Rijken
François Nosten
Michele van Vugt
Rose McGready
Maternal Hepatitis B Infection Burden, Comorbidity and Pregnancy Outcome in a Low-Income Population on the Myanmar-Thailand Border: A Retrospective Cohort Study
Journal of Pregnancy
title Maternal Hepatitis B Infection Burden, Comorbidity and Pregnancy Outcome in a Low-Income Population on the Myanmar-Thailand Border: A Retrospective Cohort Study
title_full Maternal Hepatitis B Infection Burden, Comorbidity and Pregnancy Outcome in a Low-Income Population on the Myanmar-Thailand Border: A Retrospective Cohort Study
title_fullStr Maternal Hepatitis B Infection Burden, Comorbidity and Pregnancy Outcome in a Low-Income Population on the Myanmar-Thailand Border: A Retrospective Cohort Study
title_full_unstemmed Maternal Hepatitis B Infection Burden, Comorbidity and Pregnancy Outcome in a Low-Income Population on the Myanmar-Thailand Border: A Retrospective Cohort Study
title_short Maternal Hepatitis B Infection Burden, Comorbidity and Pregnancy Outcome in a Low-Income Population on the Myanmar-Thailand Border: A Retrospective Cohort Study
title_sort maternal hepatitis b infection burden comorbidity and pregnancy outcome in a low income population on the myanmar thailand border a retrospective cohort study
url http://dx.doi.org/10.1155/2019/8435019
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