Poor sleep is associated with higher blood pressure and uterine artery pulsatility index in pregnancy: a prospective cohort study

Objective To elucidate the association between sleep disturbances and blood pressure as well as uterine artery Doppler during pregnancy in women with no pre‐existing hypertension. Design Prospective cohort study. Setting Outpatient specialist clinics at KK Women’s and Children’s Hospital, Singapore....

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Bibliographic Details
Published in:BJOG : an international journal of obstetrics and gynaecology 2021-06, Vol.128 (7), p.1192-1199
Main Authors: Tang, Y, Zhang, J, Dai, F, Razali, NS, Tagore, S, Chern, BSM, Tan, KH
Format: Article
Language:English
Subjects:
Adult
Blood pressure
Children
Cohort analysis
Cohort Studies
Female
Humans
Hypertension, Pregnancy-Induced - physiopathology
Longitudinal Studies
Original
Pregnancy
Pulsatile Flow - physiology
Sleep
sleep quality
Sleep Wake Disorders - physiopathology
Ultrasonography, Doppler, Pulsed
Uterine Artery - diagnostic imaging
Uterine Artery - physiopathology
uterine artery Doppler
Uterus
Veins & arteries
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Summary:Objective To elucidate the association between sleep disturbances and blood pressure as well as uterine artery Doppler during pregnancy in women with no pre‐existing hypertension. Design Prospective cohort study. Setting Outpatient specialist clinics at KK Women’s and Children’s Hospital, Singapore. Population Women with viable singleton pregnancies confirmed by ultrasonography at less than 14 weeks of amenorrhoea at first visit. Methods In all, 926 subjects were recruited for this study in the outpatient specialist clinics at KK Women’s and Children’s Hospital, Singapore, between 1 September 2010 and 31 August 2014. They were followed up throughout pregnancy with sleep quality, blood pressure and uterine artery Doppler assessed at each visit. Main outcome measures Sleep quality, blood pressure and uterine artery Doppler. Results Sleep progressively worsened as pregnancy advanced. Shorter sleep duration and poorer sleep efficiency were associated with higher blood pressure, especially in the first trimester. Mixed model analysis demonstrated an overall positive association between sleep quality represented by Pittsburgh Sleep Quality Index (PSQI) score and diastolic blood pressure (DBP) (P 
ISSN:1470-0328
1471-0528
1471-0528
DOI:10.1111/1471-0528.16591