University of Southern California Department of Biomedical Engineering The USC Andrew and Erna Viterbi School of Engineering USC
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Cardiorespiratory Sleep Lab




Research



Analysis of datasets extracted from the multi-center Sleep Heart

Some members of our group are analyzing datasets extracted from the multi-center Sleep Heart Health Study in order to determine whether respiration-adjusted spectral indices of heart rate variability are correlated with indices that reflect the severity of sleep-disordered breathing. As well, these investigations are addressing the issue of whether the patterns of ultradian rhythmicity are altered in patients with sleep-disordered breathing.

 

Examples of recent publications in this area:

(a) Tretriluxana, S., S. Redline, S.A. Surovec, D.J. Gottlieb, and M.C.K. Khoo. Changes in ultradian heart rate variability rhythm in sleep-disordered breathing. Sleep 28:A198-A199, 2005.

(b) Wang, W., S. Tretriluxana, S. Redline, S. Surovec, D. Gottlieb and M.C.K. Khoo. Sleep-disordered breathing and cardiac autonomic function in a community-based sample: age-related differences. Proceedings of the American Thoracic Society 3:A197, 2006.