Document Detail


Effect of fetal gender on maternal asthma exacerbations in pregnant asthmatic women.
MedLine Citation:
PMID:  18760909     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Recent studies have found that asthmatic women pregnant with a female fetus reported more symptoms and had slightly lower lung function than women pregnant with a male fetus. In order to further investigate this association, we studied the effect of fetal sex on maternal asthma exacerbations and the use of asthma medications during pregnancy. A large cohort of pregnant asthmatic women and their babies was reconstructed between 1990 and 2002 from the linkage of three administrative databases of the Canadian province of Quebec. Asthma exacerbations were defined as a filled prescription of oral corticosteroids, an emergency department visit, or a hospitalization for asthma. Women pregnant with a female fetus were compared to women with a male fetus with respect to their rate of asthma exacerbation, their weekly doses of inhaled short-acting beta(2)-agonists (SABA), and their daily dose of inhaled corticosteroids (ICS) during pregnancy. Logistic and linear regression models were used to obtain effect measures adjusted for several potential confounders such as asthma severity and control prior to pregnancy. The cohort included 5529 pregnancies with a single female fetus and 5728 pregnancies with a single male fetus. No significant differences were found between mothers of a female and male fetus as to the occurrence of asthma exacerbations (adjusted rate ratio=1.02; 95% CI: 0.92-1.14), the daily dose of ICS (adjusted mean difference (AMD): 2.46 microg; 95% CI: -4.01 to 8.93), and the weekly dose of SABA (AMD: 0.004 dose; 95% CI: -0.23 to 0.24). Based on the results, we conclude that fetal gender is unlikely to affect maternal asthma during pregnancy to the point where acute care and medications are more often required among women pregnant with a female fetus.
Authors:
Faranak Firoozi; Francine M Ducharme; Catherine Lemière; Marie-France Beauchesne; Sylvie Perreault; Amélie Forget; Lucie Blais
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-08-29
Journal Detail:
Title:  Respiratory medicine     Volume:  103     ISSN:  1532-3064     ISO Abbreviation:  Respir Med     Publication Date:  2009 Jan 
Date Detail:
Created Date:  2009-01-02     Completed Date:  2009-02-09     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8908438     Medline TA:  Respir Med     Country:  England    
Other Details:
Languages:  eng     Pagination:  144-51     Citation Subset:  IM    
Affiliation:
Université de Montréal, Québec, Canada.
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MeSH Terms
Descriptor/Qualifier:
Adrenal Cortex Hormones / therapeutic use
Adrenergic beta-Agonists / therapeutic use
Adult
Asthma / drug therapy,  physiopathology*
Drug Administration Schedule
Female
Fetus / physiology*
Humans
Male
Pregnancy
Pregnancy Complications / physiopathology*
Regression Analysis
Retrospective Studies
Sex*
Young Adult
Chemical
Reg. No./Substance:
0/Adrenal Cortex Hormones; 0/Adrenergic beta-Agonists

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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