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HERDIN Record #: NCR-PHC-18031516054372 Submitted: 16 March 2018 Modified: 16 March 2018

Asthma and obstructive sleep apnea in Filipino children.

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Background: Sleep-disordered breathing is common in children. Snoring, mouth breathing, and obstructive sleep apnea (OSA) often prompt parents to seek medical attention for their children. The estimated prevalence of snoring in children is 3 to 12 percent, while OSA affects 1 to 10 percent. Asthma is one of the most common chronic diseases, with estimated 300 million individuals affected worldwide. It is recognized with increasing frequency, that patients can have both obstructive sleep apnea (OSA) and bronchial asthma.

Objective: To determine the association between OSAand bronchial asthma.

Design: Cross Sectional Study

Setting: Philippine Heart Center OPD from June 2013 - Dec 2013.

Materials and Methods: All asthmatic patients seen in the OPO and ASPEP aged 2 to 18 years old were asked to participate. Once consent was given parents/caregivers were asked to answer a pediatric sleep questionnaire. After which, score was recorded and tallied. If the patient scored less than 8 the patient is negative for OSA, whereas of score is 8 and above is positive for OSA. Presence of OSA was confirmed using the Apnealink. Comorbidities, exposure to smoke and
asthma control were also noted.

Results: A total of 47 patients were enrolled in the study. Fourteen were positive for OSA and 33 were OSA negative. These 14 patients then underwent confirmatory testing with the use of Apnealink. All variables measured were not statistically significant to say the factors that predispose asthmatics to developed OSA. Asthma control was not associated with the severity or presence of OSA. Based on the questionnaire, one patient who was positive' turned out to be negative in the Apnealink. A confirmatory PSG should be done since Apnealink is not sensitive and specific for mild OSA thus OSA is not entirely ruled out.

Conclusion: The prevalence of OSA among asthmatics was 30% despite sample size not achieved. No identifiable risk factors identified, even though in the OSA positive subjects they had higher BMI and neck circumference. Also, no association between asthma control and severity of OSA and Apnealink had high specificity and sensitivity when used in patients with suspected to have moderate to severe OSA.

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Philippine Heart Center Medical Library CRF.R.006.13 Fulltext Print Format

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