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Reliability of sleep sonography in detecting upper airway obstruction in children
R R Marsh1, W P Potsic, P S Pasquariello
1Department of Otolaryngology and Human Communication, Children's Hospital of Philadelphia, PA 19104.
Insights
Home audio recordings reliably detect childhood airway obstruction caused by lymphoid hyperplasia. This cost-effective method offers clinical and research value for assessing sleep breathing issues.
Area of Science:
- Pediatric Sleep Medicine
- Otolaryngology
- Respiratory Physiology
Background:
- Lymphoid hyperplasia is the leading cause of pediatric sleep-related airway obstruction.
- Objective assessment of obstruction often relies on polysomnography, which is expensive and stressful for children.
- A need exists for accessible, reliable methods to evaluate airway obstruction in children.
Purpose of the Study:
- To evaluate the reliability of home-based audio recordings for detecting airway obstruction in children.
- To assess the clinical and research utility of a standardized audio recording method.
Main Methods:
- Parents recorded audio at home using standardized equipment for 50 pediatric patients.
- Recordings were computer-processed, and resulting displays were independently rated by two judges.
- Statistical analysis included interobserver correlation, split-half reliability, and test-retest reliability.
Main Results:
- High interobserver reliability (0.87) and split-half reliability (0.83) were achieved.
- Test-retest reliabilities were strong (0.78 and 0.86 for the two raters).
- The method demonstrated high consistency across successive nights.
Conclusions:
- Home-based audio recordings offer a reliable and well-accepted method for assessing airway obstruction in children.
- This technique provides valuable clinical and research data for evaluating sleep-related breathing issues.
- It serves as a practical alternative to polysomnography for initial obstruction assessment.
Abstract:
In children, lymphoid hyperplasia is by far the most common cause of airway obstruction during sleep, but the determination as to presence or degree of obstruction is seldom made objectively, because of the expense and stress of polysomnography. If audio recordings are made by parents at home with standardized equipment, however, obstruction can be recognized readily. Such recordings obtained from 50 patients were computer processed and the resulting displays were independently rated by two judges. Interobserver correlation was 0.87 and split-half reliability was 0.83, demonstrating very good reliability of the processing and scoring procedures. Recordings made on successive nights were highly consistent as well (test-retest reliabilities of 0.78 and 0.86 for the two raters). This recording method, which is well accepted by parents and children, has both clinical and research value in the assessment of airway obstruction.