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Prematurity, atopy, and childhood asthma in Puerto Ricans

Identifieur interne : 005080 ( Main/Exploration ); précédent : 005079; suivant : 005081

Prematurity, atopy, and childhood asthma in Puerto Ricans

Auteurs : Christian Rosas-Salazar [États-Unis] ; Sima K. Ramratnam [États-Unis] ; John M. Brehm [États-Unis] ; Yueh-Ying Han [États-Unis] ; Nadia Boutaoui [États-Unis] ; Erick Forno [États-Unis] ; Edna Acosta-Perez [Porto Rico] ; María Alvarez [Porto Rico] ; Angel Colon-Semidey [Porto Rico] ; Glorisa Canino [Porto Rico] ; Juan C. Celedon [États-Unis]

Source :

RBID : Pascal:14-0076867

Descripteurs français

English descriptors

Abstract

Background: Puerto Rican children share a disproportionate burden of prematurity and asthma in the United States. Little is known about prematurity and childhood asthma in Puerto Rican subjects. Objective: We sought to examine whether prematurity is associated with asthma in Puerto Rican children. Methods: We performed a case-control study of 678 children aged 6 to 14 years with (n = 351) and without (n = 327) asthma living in San Juan, Puerto Rico. Prematurity was defined by parental report for our primary analysis. In a secondary analysis, we only included children whose parents reported prematurity that required admission to the neonatal intensive care unit. Asthma was defined as physician-diagnosed asthma and wheeze in the prior year. We used logistic regression for analysis. All multivariate models were adjusted for age, sex, household income, atopy (≥1 positive IgE level to common allergens), maternal history of asthma, and early-life exposure to environmental tobacco smoke. Results: In a multivariate analysis there was a significant interaction between prematurity and atopy on asthma (P = .006). In an analysis stratified by atopy, prematurity was associated with a nearly 5-fold increased odds of asthma in atopic children (adjusted odds ratio, 4.7; 95% CI, 1.5-14.3; P = .007). In contrast, there was no significant association between prematurity and asthma in nonatopic children. Similar results were obtained in our analysis of prematurity requiring admission to the neonatal intensive care unit and asthma. Conclusions: Our results suggest that atopy modifies the estimated effect of prematurity on asthma in Puerto Rican children. Prematurity might explain, in part, the high prevalence of atopic asthma in this ethnic group.


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Le document en format XML

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<front>
<div type="abstract" xml:lang="en">Background: Puerto Rican children share a disproportionate burden of prematurity and asthma in the United States. Little is known about prematurity and childhood asthma in Puerto Rican subjects. Objective: We sought to examine whether prematurity is associated with asthma in Puerto Rican children. Methods: We performed a case-control study of 678 children aged 6 to 14 years with (n = 351) and without (n = 327) asthma living in San Juan, Puerto Rico. Prematurity was defined by parental report for our primary analysis. In a secondary analysis, we only included children whose parents reported prematurity that required admission to the neonatal intensive care unit. Asthma was defined as physician-diagnosed asthma and wheeze in the prior year. We used logistic regression for analysis. All multivariate models were adjusted for age, sex, household income, atopy (≥1 positive IgE level to common allergens), maternal history of asthma, and early-life exposure to environmental tobacco smoke. Results: In a multivariate analysis there was a significant interaction between prematurity and atopy on asthma (P = .006). In an analysis stratified by atopy, prematurity was associated with a nearly 5-fold increased odds of asthma in atopic children (adjusted odds ratio, 4.7; 95% CI, 1.5-14.3; P = .007). In contrast, there was no significant association between prematurity and asthma in nonatopic children. Similar results were obtained in our analysis of prematurity requiring admission to the neonatal intensive care unit and asthma. Conclusions: Our results suggest that atopy modifies the estimated effect of prematurity on asthma in Puerto Rican children. Prematurity might explain, in part, the high prevalence of atopic asthma in this ethnic group.</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>Porto Rico</li>
<li>États-Unis</li>
</country>
<region>
<li>Pennsylvanie</li>
</region>
<settlement>
<li>Pittsburgh</li>
</settlement>
<orgName>
<li>Université de Pittsburgh</li>
</orgName>
</list>
<tree>
<country name="États-Unis">
<region name="Pennsylvanie">
<name sortKey="Rosas Salazar, Christian" sort="Rosas Salazar, Christian" uniqKey="Rosas Salazar C" first="Christian" last="Rosas-Salazar">Christian Rosas-Salazar</name>
</region>
<name sortKey="Boutaoui, Nadia" sort="Boutaoui, Nadia" uniqKey="Boutaoui N" first="Nadia" last="Boutaoui">Nadia Boutaoui</name>
<name sortKey="Brehm, John M" sort="Brehm, John M" uniqKey="Brehm J" first="John M." last="Brehm">John M. Brehm</name>
<name sortKey="Celedon, Juan C" sort="Celedon, Juan C" uniqKey="Celedon J" first="Juan C." last="Celedon">Juan C. Celedon</name>
<name sortKey="Forno, Erick" sort="Forno, Erick" uniqKey="Forno E" first="Erick" last="Forno">Erick Forno</name>
<name sortKey="Han, Yueh Ying" sort="Han, Yueh Ying" uniqKey="Han Y" first="Yueh-Ying" last="Han">Yueh-Ying Han</name>
<name sortKey="Ramratnam, Sima K" sort="Ramratnam, Sima K" uniqKey="Ramratnam S" first="Sima K." last="Ramratnam">Sima K. Ramratnam</name>
</country>
<country name="Porto Rico">
<noRegion>
<name sortKey="Acosta Perez, Edna" sort="Acosta Perez, Edna" uniqKey="Acosta Perez E" first="Edna" last="Acosta-Perez">Edna Acosta-Perez</name>
</noRegion>
<name sortKey="Alvarez, Maria" sort="Alvarez, Maria" uniqKey="Alvarez M" first="María" last="Alvarez">María Alvarez</name>
<name sortKey="Canino, Glorisa" sort="Canino, Glorisa" uniqKey="Canino G" first="Glorisa" last="Canino">Glorisa Canino</name>
<name sortKey="Colon Semidey, Angel" sort="Colon Semidey, Angel" uniqKey="Colon Semidey A" first="Angel" last="Colon-Semidey">Angel Colon-Semidey</name>
</country>
</tree>
</affiliations>
</record>

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