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Incidence of placental abruption in relation to cigarette smoking and hypertensive disorders during pregnancy: a meta-analysis of observational studies
Abstract
Objective To systematically review the literature and summarize the relationship between cigarette smoking and placental abruption, and to evaluate the joint influences of smoking and hypertensive disorders (chronic hypertension and preeclampsia) on the subsequent development of abruption. Data sources We reviewed studies identified through a MEDLINE literature search between 1966 and 1997 and through studies cited in the references of published reports. Methods of study selection A total of 13 observational (seven case-control and six cohort) studies were identified which included a total of 1,358,083 pregnancies. We excluded case reports on placental abruption, and restricted the literature search to studies published in English. A meta-analysis was performed by computing pooled odds ratios based on random-effects models describing the association between placental abruption, smoking, and hypertensive disorders. Potential sources of heterogeneity among these studies were explored in detail. Tabulation, integration, and results The overall incidence of placental abruption was 0.64% (8724 of 1,358,623). Smoking was associated with a 90% increase in the risk of placental abruption (odds ratio [OR] 1.9, 95% confidence interval [CI] 1.8, 2.0). This pattern was consistent by study design (case-control compared with cohort studies) and smoking prevalence (low compared with high prevalence, defined as less than 30% compared with 30% or more, respectively). However, the association…
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“In a systematic review and meta-analysis of observational studies that included 1,358,083 pregnancies, smoking during pregnancy was associated with a 90% increased odds of abruption (OR 1.9, 95% CI 1.8–2.0) and up to a quarter of all abruptions were attributable to smoking (42).”
From Placental abruption at near-term and term gestations: Pathophysiology, epidemiology, diagnosis, and management (2023) · cites this paper as [42]
In the citing paper
“In a systematic review and meta-analysis of observational studies that included 1,358,083 pregnancies, smoking during pregnancy was associated with a 90% increased odds of abruption (OR 1.9, 95% CI 1.8–2.0) and up to a quarter of all abruptions were attributable to smoking (42).”
From Placental abruption at near-term and term gestations: Pathophysiology, epidemiology, diagnosis, and management (2023) · cites this paper as [42]
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Metadata
- Authors
- Ananth, C.
- Affiliations
- Rutgers, The State University of New Jersey (US)
- Corresponding author
- Ananth, C
- ORCID
- Ananth, C
- Venue
- Obstetrics & Gynecology
- Published
- 1999-04
- Volume
- 93
- Issue
- 4
- Pages
- 622-628
- ISSN
- 0029-7844 (ISSN-L)
- OpenAlex
- W2007519298
- Cited by
- 236
- References
- 27
- Citations by year
- 2025: 8 · 2024: 2 · 2023: 3 · 2022: 4 · 2021: 6 · 2020: 11 · 2019: 9 · 2018: 6 · 2017: 6 · 2016: 3 · 2015: 10 · 2014: 13 · 2013: 11 · 2012: 9
- FWCI
- 2.09
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Obstetrics and Gynecology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Obstetrics and Gynecology › Pregnancy and preeclampsia studies
- Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Maternal and fetal healthcare
- Health Sciences › Medicine › Clinical Neurology › Neurological Complications and Syndromes
- Keywords
- placental abruption, cigarette smoking during pregnancy, hypertensive disorders of pregnancy, chronic hypertension in pregnancy, preeclampsia, risk factors, population attributable risk, dose-response relationship, smoking prevalence, smoking cessation interventions, smoking cessation counseling
- MeSH terms
- Abruptio Placentae, Female, Humans, Hypertension, Pre-Eclampsia, Pregnancy, Pregnancy Complications, Cardiovascular, Smoking, Incidence
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