Why the study?
Growing interest in respiratory rate as a sensitive marker of physiopathological stressors and increasing technological development motivated a review of contactless monitoring methods.
This review summarizes the current state, taxonomy, and performance of contactless methods for monitoring respiratory rate.
May guide contactless respiratory monitoring development; leaves open rigorous clinical validation before cardiovascular adoption.
Recent advances in understanding the importance of respiratory frequency ( f R ) as a sensitive marker of a variety of physiopathological stressors are fostering growing interest in respiratory monitoring. This interest is further stimulated by the ever-increasing efforts that companies are devoting to the development of systems measuring f R . There are a variety of techniques based on different sensors and technologies for f R monitoring. These techniques are commonly classified as contact-based or contactless, depending on whether the system which embeds the sensor is in contact with the body or not. This review is focused on the contactless methods for f R monitoring. We have introduced the main fields of use where contactless respiratory monitoring is important and provided a taxonomy to classify the most popular contactless techniques for f R monitoring. Finally, we have described the performances of the most popular methods, the main open challenges, and the main perspectives.
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Massaroni et al. (2020) studied this question.
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