Maternal clinic and home blood pressure measurements during pregnancy and infant birth weight: The BOSHI study

The BOSHI Study Group

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This prospective cohort study compared measurements of maternal home blood pressure (HBP) with clinic blood pressure (CBP) before 20 weeks' gestation to determine associations with the risk of delivering a lower birth weight infant. A total of 605 Japanese women were included. Exposures were initial CBP, made between 10 weeks 0 days and 19 weeks 0 days, and HBP for comparison made within 1 week of CBP. Outcome was infant's birth weight, categorized and ranked as follows: ≥3500 g, 3000-3499 g, 2500-2999 g and <2500 g. The proportional odds model with possible confounding factors was applied to compare the associations between CBP and HBP on infant birth weight. When both CBP and HBP were included simultaneously, the adjusted odds ratios (ORs) per 1 standard deviation (1s.d.) increase in clinic and home diastolic BP (DBP) were 1.06 (95% confidence interval (CI): 0.87-1.30) and 1.28 (95% CI: 1.04-1.58), respectively. The adjusted ORs per 1s.d. increase in clinic and home mean arterial pressure (MAP) were 1.02 (95% CI: 0.83-1.24) and 1.29 (95% CI: 1.04-1.59), respectively. Systolic BP measurement was not associated with infant birth weight. In conclusion, high maternal home DBP and MAP before 20 weeks' gestation was associated with a higher risk of lower infant birth weight than clinic DBP and MAP. Therefore, in addition to CBP, it may be worth having pregnant women measure HBP to determine the risk of lower infant birth weight.

Original languageEnglish
Pages (from-to)151-157
Number of pages7
JournalHypertension Research
Volume39
Issue number3
DOIs
Publication statusPublished - 2016 Mar 1
Externally publishedYes

Fingerprint

Birth Weight
Mothers
Blood Pressure
Pregnancy
Confidence Intervals
Arterial Pressure
Odds Ratio
Pregnant Women
Cohort Studies
Prospective Studies

Keywords

  • birth weight
  • clinic blood pressure
  • epidemiology
  • home blood pressure
  • pregnancy

ASJC Scopus subject areas

  • Internal Medicine
  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

Maternal clinic and home blood pressure measurements during pregnancy and infant birth weight : The BOSHI study. / The BOSHI Study Group.

In: Hypertension Research, Vol. 39, No. 3, 01.03.2016, p. 151-157.

Research output: Contribution to journalArticle

@article{b47b72a76b0a48b1a376557cab1f4876,
title = "Maternal clinic and home blood pressure measurements during pregnancy and infant birth weight: The BOSHI study",
abstract = "This prospective cohort study compared measurements of maternal home blood pressure (HBP) with clinic blood pressure (CBP) before 20 weeks' gestation to determine associations with the risk of delivering a lower birth weight infant. A total of 605 Japanese women were included. Exposures were initial CBP, made between 10 weeks 0 days and 19 weeks 0 days, and HBP for comparison made within 1 week of CBP. Outcome was infant's birth weight, categorized and ranked as follows: ≥3500 g, 3000-3499 g, 2500-2999 g and <2500 g. The proportional odds model with possible confounding factors was applied to compare the associations between CBP and HBP on infant birth weight. When both CBP and HBP were included simultaneously, the adjusted odds ratios (ORs) per 1 standard deviation (1s.d.) increase in clinic and home diastolic BP (DBP) were 1.06 (95{\%} confidence interval (CI): 0.87-1.30) and 1.28 (95{\%} CI: 1.04-1.58), respectively. The adjusted ORs per 1s.d. increase in clinic and home mean arterial pressure (MAP) were 1.02 (95{\%} CI: 0.83-1.24) and 1.29 (95{\%} CI: 1.04-1.59), respectively. Systolic BP measurement was not associated with infant birth weight. In conclusion, high maternal home DBP and MAP before 20 weeks' gestation was associated with a higher risk of lower infant birth weight than clinic DBP and MAP. Therefore, in addition to CBP, it may be worth having pregnant women measure HBP to determine the risk of lower infant birth weight.",
keywords = "birth weight, clinic blood pressure, epidemiology, home blood pressure, pregnancy",
author = "{The BOSHI Study Group} and Noriyuki Iwama and Hirohito Metoki and Takayoshi Ohkubo and Mami Ishikuro and Taku Obara and Masahiro Kikuya and Katsuyo Yagihashi and Hidekazu Nishigori and Takashi Sugiyama and Junichi Sugawara and Nobuo Yaegashi and Kazuhiko Hoshi and Masakuni Suzuki and Shinichi Kuriyama and Yutaka Imai and Kohei Tanaka and Kunihiko Okamura and Kei Asayama and Ryusuke Inoue and Rie Tsuchida and Azusa Hara and Takuo Hirose and Takeshi Kobayashi and Kenta Gonokami and Takanao Hashimoto and Yumiko Watanabe and Misato Nishimura and Maiko Kawaguchi and Yurie Sato and Minako Hoshikawa and Ayano Sasaki and Kasumi Sakurai and Michihiro Sato and Konomi Akutsu and Mami Yamamoto and Aya Shiraishi and Miki Hosaka and Ikuo Tachibana and Maki Omura and Mikiko Ishikawa and Yoshimi Fujii and Hidemi Kobayashi and Kazuyuki Akaishi and Yuko Kikuchi and Kei Tate and Chieko Koishi and Saori Sugawara and Junko Saitou and Hiromi Sasaki and Tomoko Suzuki",
year = "2016",
month = "3",
day = "1",
doi = "10.1038/hr.2015.108",
language = "English",
volume = "39",
pages = "151--157",
journal = "Hypertension Research",
issn = "0916-9636",
publisher = "Nature Publishing Group",
number = "3",

}

TY - JOUR

T1 - Maternal clinic and home blood pressure measurements during pregnancy and infant birth weight

T2 - The BOSHI study

AU - The BOSHI Study Group

AU - Iwama, Noriyuki

AU - Metoki, Hirohito

AU - Ohkubo, Takayoshi

AU - Ishikuro, Mami

AU - Obara, Taku

AU - Kikuya, Masahiro

AU - Yagihashi, Katsuyo

AU - Nishigori, Hidekazu

AU - Sugiyama, Takashi

AU - Sugawara, Junichi

AU - Yaegashi, Nobuo

AU - Hoshi, Kazuhiko

AU - Suzuki, Masakuni

AU - Kuriyama, Shinichi

AU - Imai, Yutaka

AU - Tanaka, Kohei

AU - Okamura, Kunihiko

AU - Asayama, Kei

AU - Inoue, Ryusuke

AU - Tsuchida, Rie

AU - Hara, Azusa

AU - Hirose, Takuo

AU - Kobayashi, Takeshi

AU - Gonokami, Kenta

AU - Hashimoto, Takanao

AU - Watanabe, Yumiko

AU - Nishimura, Misato

AU - Kawaguchi, Maiko

AU - Sato, Yurie

AU - Hoshikawa, Minako

AU - Sasaki, Ayano

AU - Sakurai, Kasumi

AU - Sato, Michihiro

AU - Akutsu, Konomi

AU - Yamamoto, Mami

AU - Shiraishi, Aya

AU - Hosaka, Miki

AU - Tachibana, Ikuo

AU - Omura, Maki

AU - Ishikawa, Mikiko

AU - Fujii, Yoshimi

AU - Kobayashi, Hidemi

AU - Akaishi, Kazuyuki

AU - Kikuchi, Yuko

AU - Tate, Kei

AU - Koishi, Chieko

AU - Sugawara, Saori

AU - Saitou, Junko

AU - Sasaki, Hiromi

AU - Suzuki, Tomoko

PY - 2016/3/1

Y1 - 2016/3/1

N2 - This prospective cohort study compared measurements of maternal home blood pressure (HBP) with clinic blood pressure (CBP) before 20 weeks' gestation to determine associations with the risk of delivering a lower birth weight infant. A total of 605 Japanese women were included. Exposures were initial CBP, made between 10 weeks 0 days and 19 weeks 0 days, and HBP for comparison made within 1 week of CBP. Outcome was infant's birth weight, categorized and ranked as follows: ≥3500 g, 3000-3499 g, 2500-2999 g and <2500 g. The proportional odds model with possible confounding factors was applied to compare the associations between CBP and HBP on infant birth weight. When both CBP and HBP were included simultaneously, the adjusted odds ratios (ORs) per 1 standard deviation (1s.d.) increase in clinic and home diastolic BP (DBP) were 1.06 (95% confidence interval (CI): 0.87-1.30) and 1.28 (95% CI: 1.04-1.58), respectively. The adjusted ORs per 1s.d. increase in clinic and home mean arterial pressure (MAP) were 1.02 (95% CI: 0.83-1.24) and 1.29 (95% CI: 1.04-1.59), respectively. Systolic BP measurement was not associated with infant birth weight. In conclusion, high maternal home DBP and MAP before 20 weeks' gestation was associated with a higher risk of lower infant birth weight than clinic DBP and MAP. Therefore, in addition to CBP, it may be worth having pregnant women measure HBP to determine the risk of lower infant birth weight.

AB - This prospective cohort study compared measurements of maternal home blood pressure (HBP) with clinic blood pressure (CBP) before 20 weeks' gestation to determine associations with the risk of delivering a lower birth weight infant. A total of 605 Japanese women were included. Exposures were initial CBP, made between 10 weeks 0 days and 19 weeks 0 days, and HBP for comparison made within 1 week of CBP. Outcome was infant's birth weight, categorized and ranked as follows: ≥3500 g, 3000-3499 g, 2500-2999 g and <2500 g. The proportional odds model with possible confounding factors was applied to compare the associations between CBP and HBP on infant birth weight. When both CBP and HBP were included simultaneously, the adjusted odds ratios (ORs) per 1 standard deviation (1s.d.) increase in clinic and home diastolic BP (DBP) were 1.06 (95% confidence interval (CI): 0.87-1.30) and 1.28 (95% CI: 1.04-1.58), respectively. The adjusted ORs per 1s.d. increase in clinic and home mean arterial pressure (MAP) were 1.02 (95% CI: 0.83-1.24) and 1.29 (95% CI: 1.04-1.59), respectively. Systolic BP measurement was not associated with infant birth weight. In conclusion, high maternal home DBP and MAP before 20 weeks' gestation was associated with a higher risk of lower infant birth weight than clinic DBP and MAP. Therefore, in addition to CBP, it may be worth having pregnant women measure HBP to determine the risk of lower infant birth weight.

KW - birth weight

KW - clinic blood pressure

KW - epidemiology

KW - home blood pressure

KW - pregnancy

UR - http://www.scopus.com/inward/record.url?scp=84959866797&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84959866797&partnerID=8YFLogxK

U2 - 10.1038/hr.2015.108

DO - 10.1038/hr.2015.108

M3 - Article

C2 - 26510783

AN - SCOPUS:84959866797

VL - 39

SP - 151

EP - 157

JO - Hypertension Research

JF - Hypertension Research

SN - 0916-9636

IS - 3

ER -