Table 2.
Authors and year | Nasal resistance | Snoring after the intervention | Clinical improvement | Polysomnography after intervention | AHI and SDBI | Arousal index |
---|---|---|---|---|---|---|
Kiely et al. 2004 | Reductiona with active treatment. | No reduction. | Improved daytime alert by the daily record and quality of sleep. | Limited effect in the treatment of OSAS. | AHI and desaturation index decreaseda with fluticasone. | Not reported. |
Increasea of SWS. | ||||||
Lean et al. 2005 | Reductiona with active treatment. | Not reported. | Reductiona of mouth breathing during sleep and partial improvement of sleep quality. | Improvementa of sleep efficiency. | No reduction. | Reductiona with active treatment. |
No reduction in ESS. | Increasea in REM and SWS. | |||||
Clarenbach et al. 2008 | Reductiona with active treatment. | No reduction. | No reduction in ESS. | No alteration in SWS or REM. | No reduction. | No reduction. |
AHI, apnea and hypopnea index; SDBI, sleep-disordered breathing index; ESS, Epworth Sleepiness Scale; SWS, slow-wave sleep; CPAP, continuous positive airway pressure; desaturation index, number of desaturations ≥4% per hour of sleep.
Statistically significant difference.