alexa Detecting sleep apnea by heart rate variability analysis: assessing the validity of databases and algorithms.
Neurology

Neurology

Journal of Sleep Disorders & Therapy

Author(s): Lado MJ, Vila XA, RodrguezLiares L, Mndez AJ, Olivieri DN,

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Abstract Obstructive sleep apnea (OSA) is a serious disorder caused by intermittent airway obstruction which may have dangerous impact on daily living activities. Heart rate variability (HRV) analysis could be used for diagnosing OSA, since this disease affects HRV during sleep. In order to validate different algorithms developed for detecting OSA employing HRV analysis, several public or proprietary data collections have been employed for different research groups. However, for validation purposes, it is obvious and evident the lack of a common standard database, worldwide recognized and accepted by the scientific community. In this paper, different algorithms employing HRV analysis were applied over diverse public and proprietary databases for detecting OSA, and the outcomes were validated in terms of a statistical analysis. Results indicate that the use of a specific database may strongly affect the performance of the algorithms, due to differences in methodologies of processing. Our results suggest that researchers must strongly take into consideration the database used when quoting their results, since selected cases are highly database dependent and would bias conclusions. This article was published in J Med Syst and referenced in Journal of Sleep Disorders & Therapy

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