Background: Laryngopharyngeal reflux (LPR) may be associated with the severity of obstructive sleep apnea (OSA). However, it is unknown whether LPR may be associated with arousal.
Objective: To clarify the effect of LPR on arousal in OSA.
Methods: This study included 120 OSA patients. The correlations between LPR scores and arousal index (ArI) were analyzed. Finally, to further clarify the effect of LPR on ArI, we analyzed the correlations between respiratory event-related arousal index (BERAI), leg-movement-related arousal index (LMRAI), snore-related arousal index (SRAI), spontaneous arousal index (SAI), and RSI score.
Results: Partial correlation analysis showed that the RSI score was positively correlated with ArI ( = .000), mainly correlated with BERAI and SAI ( = 0.422, = .000; = 0.212, = .020). While controlling for apnea-hypopnea index (AHI), the RSI score was still positively correlated with ArI ( = .002), mainly correlated with BERAI and SAI ( = 0.252, = .006; = 0.200, = .029).
Conclusions And Significance: The effect of LPR symptoms on arousal in OSA exists. The more severe the LPR was, the more frequent the arousal in OSA patients was. Thereinto, respiratory event-related arousal and spontaneous arousal were the most obvious.
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| http://dx.doi.org/10.1080/00016489.2022.2075033 | DOI Listing |
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