BJOG : an international journal of obstetrics and gynaecology · 2013
The risk of congenital malformations, perinatal mortality and neonatal hospitalisation among pregnant women with asthma: a systematic review and meta-analysis.
СтатьяМетаанализПоддержка исследования: вне правительства СШАСистематический обзорНазвание и аннотация: Перевод в очереди
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Murphy V E, Wang G, Namazy J A, Powell H, Gibson P G, Chambers C, Schatz M
Аннотация
BACKGROUND: There is conflicting literature on the effect of maternal asthma on congenital malformations and neonatal outcomes.
OBJECTIVES: This review and meta-analysis sought to determine if maternal asthma is associated with an increased risk of adverse neonatal outcomes.
SEARCH STRATEGY: We searched electronic databases for: (asthma or wheeze) and (pregnan* or perinat* or obstet*).
SELECTION CRITERIA: Cohort studies published between 1975 and March 2012 reporting at least one perinatal outcome of interest (congenital malformations, neonatal complications, perinatal mortality).
DATA COLLECTION AND ANALYSIS: In all, 21 studies met inclusion criteria in pregnant women with and without asthma. Further analysis was conducted on 16 studies where asthmatic women were stratified by exacerbation history, corticosteroid use, bronchodilator use or asthma severity.
MAIN RESULTS: Maternal asthma was associated with a significantly increased risk of congenital malformations (relative risk [RR] 1.11, 95% confidence interval [95% CI] 1.02-1.21, I(2) = 59.5%), cleft lip with or without cleft palate (RR 1.30, 95% CI 1.01-1.68, I(2) = 65.6%), neonatal death (RR 1.49, 95% CI 1.11-2.00, I(2) = 0%), and neonatal hospitalisation (RR 1.50, 95% CI 1.03-2.20, I(2) = 64.5%). There was no significant effect of asthma on major malformations (RR 1.31, 95% CI 0.57-3.02, I(2) = 70.9%) or stillbirth (RR 1.06, 95% CI 0.9-1.25, I(2) = 35%). Exacerbations and use of bronchodilators and inhaled corticosteroids were not associated with congenital malformation risk.
AUTHORS' CONCLUSIONS: Despite limitations related to the observational nature of the primary studies, this review demonstrates a small increased risk of neonatal complications among pregnant women with asthma. Further investigations into mechanisms and potential preventive interventions to improve infant outcomes are required.
OBJECTIVES: This review and meta-analysis sought to determine if maternal asthma is associated with an increased risk of adverse neonatal outcomes.
SEARCH STRATEGY: We searched electronic databases for: (asthma or wheeze) and (pregnan* or perinat* or obstet*).
SELECTION CRITERIA: Cohort studies published between 1975 and March 2012 reporting at least one perinatal outcome of interest (congenital malformations, neonatal complications, perinatal mortality).
DATA COLLECTION AND ANALYSIS: In all, 21 studies met inclusion criteria in pregnant women with and without asthma. Further analysis was conducted on 16 studies where asthmatic women were stratified by exacerbation history, corticosteroid use, bronchodilator use or asthma severity.
MAIN RESULTS: Maternal asthma was associated with a significantly increased risk of congenital malformations (relative risk [RR] 1.11, 95% confidence interval [95% CI] 1.02-1.21, I(2) = 59.5%), cleft lip with or without cleft palate (RR 1.30, 95% CI 1.01-1.68, I(2) = 65.6%), neonatal death (RR 1.49, 95% CI 1.11-2.00, I(2) = 0%), and neonatal hospitalisation (RR 1.50, 95% CI 1.03-2.20, I(2) = 64.5%). There was no significant effect of asthma on major malformations (RR 1.31, 95% CI 0.57-3.02, I(2) = 70.9%) or stillbirth (RR 1.06, 95% CI 0.9-1.25, I(2) = 35%). Exacerbations and use of bronchodilators and inhaled corticosteroids were not associated with congenital malformation risk.
AUTHORS' CONCLUSIONS: Despite limitations related to the observational nature of the primary studies, this review demonstrates a small increased risk of neonatal complications among pregnant women with asthma. Further investigations into mechanisms and potential preventive interventions to improve infant outcomes are required.