Pediatric pulmonology · 2020
Community health worker case-detection of asthma or reactive airways disease in a resource-poor community in Nicaragua.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Crocker Mary, Loughlin Ceila E, Esther Charles R, Noah Terry, Fernández Sonia Picado, Woo Gabriela, Parajón Laura Chanchien, Parajón David, Becker-Dreps Sylvia
Аннотация
INTRODUCTION: Asthma is a major cause of morbidity and mortality in children worldwide, but many cases may remain undiagnosed. Community health worker (CHW) programs have improved detection of other diseases such as childhood pneumonia, but none have been validated for detection of asthma in resource-poor settings. We hypothesized that a CHW administered questionnaire would be effective in case-detection of asthma in a poor Nicaraguan community.
METHODS: We enrolled children aged 2-17 from a small semiurban Nicaraguan community. A trained CHW administered a questionnaire based on a previously validated school-based screening questionnaire, which was compared to pediatric pulmonologist evaluation as a reference standard. We determined the questionnaire's sensitivity, specificity, and positive and negative likelihood ratios at different score cut-points.
RESULTS: A total of 199 out of 218 eligible children were enrolled. Total asthma prevalence based on physician diagnosis was 33%. Mean scores on the CHW questionnaire were 3.6 points out of 22 (SD = 4.3) for nonasthmatics and 11.0 points (SD = 5.3) for children with asthma (p < .001). Area under the curve was 0.87. Multivariable analysis showed increased association of asthma/reactive airways disease with respiratory infection in the first 3 months of life and with family history of asthma.
CONCLUSIONS: Prevalence of asthma in this community was high compared to previously reported national prevalence (15.2%), possibly due to increased exposure to risk factors. The questionnaire had a high area under the receiver operating characteristic curve, making it an excellent screening tool. This questionnaire could greatly increase the detection of asthma, allowing for education and referral for ongoing care.
METHODS: We enrolled children aged 2-17 from a small semiurban Nicaraguan community. A trained CHW administered a questionnaire based on a previously validated school-based screening questionnaire, which was compared to pediatric pulmonologist evaluation as a reference standard. We determined the questionnaire's sensitivity, specificity, and positive and negative likelihood ratios at different score cut-points.
RESULTS: A total of 199 out of 218 eligible children were enrolled. Total asthma prevalence based on physician diagnosis was 33%. Mean scores on the CHW questionnaire were 3.6 points out of 22 (SD = 4.3) for nonasthmatics and 11.0 points (SD = 5.3) for children with asthma (p < .001). Area under the curve was 0.87. Multivariable analysis showed increased association of asthma/reactive airways disease with respiratory infection in the first 3 months of life and with family history of asthma.
CONCLUSIONS: Prevalence of asthma in this community was high compared to previously reported national prevalence (15.2%), possibly due to increased exposure to risk factors. The questionnaire had a high area under the receiver operating characteristic curve, making it an excellent screening tool. This questionnaire could greatly increase the detection of asthma, allowing for education and referral for ongoing care.