Wheeze and cough measurements at night in children with resp
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Respiratory symptoms, such as coughing, are among the most common reasons being presented in pediatric primary care. Getting reliable information from patient or parents on nocturnal symptoms like cough or wheeze is challenging. Often, the parent's perception of the frequency of their children’s cough is not accurate. Nocturnal cough and wheeze are important symptoms when diagnosing any respiratory disease in a child, but objective measurements of these symptoms are not performed.

The aim of this study was to analyze the use of an automated detection system to assess breath sounds objectively in comparison to cough and wheeze questionnaires and to evaluate its feasibility in clinical practice.

49 recordings of thirty-nine children were processed:
--(asthma n=13; cystic fibrosis n=2; pneumonia n=5; suspicion of habit cough n=7; prolonged, recurrent or chronic cough n=13), and cough and asthma scores were compared to the objective nocturnal recordings.
--Time for audio-validation of recordings took between 2 and 40-min (mean: 14.22min, (SD): 10.72).
--Accuracy of the automated measurement was higher for cough than for wheezing sounds. Nocturnal cough readings but not wheeze readings correlated with some of the corresponding scores.

Conclusively, this is the first study using a new device (Leo-Sound) that can also measure obstructive respiratory sounds like wheeze during sleep setting it apart from other available cough recording devices. It is also used to assess nocturnal cough and obstructive breath sounds objectively in children with a wide variety of respiratory diseases. The assessment proved user friendly. Researchers obtained additional information on nighttime symptoms, which would otherwise have remained obscure.

Source: https://bmcpediatr.biomedcentral.com/articles/10.1186/s12887-020-02455-5