Jolien Beyers1,2,3, O M Vanderveken4,5,6, C Kastoer4,5, A Boudewyns4,5, I De Volder6,7, A Van Gastel6,7, J A Verbraecken5,6,8, W A De Backer5, M J Braem5,9, P H Van de Heyning4,5, M Dieltjens4,5. 1. Department of Otorhinolaryngology, Head and Neck Surgery, Antwerp University Hospital, Wilrijkstraat 10, 2650, Edegem, Belgium. jolien.beyers@uza.be. 2. Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium. jolien.beyers@uza.be. 3. Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital, Edegem, Belgium. jolien.beyers@uza.be. 4. Department of Otorhinolaryngology, Head and Neck Surgery, Antwerp University Hospital, Wilrijkstraat 10, 2650, Edegem, Belgium. 5. Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium. 6. Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital, Edegem, Belgium. 7. Department of Psychiatry, Antwerp University Hospital, Edegem, Belgium. 8. Department of Pulmonary Medicine, Antwerp University Hospital, Edegem, Belgium. 9. Department of Special Care Dentistry, Antwerp University Hospital, Edegem, Belgium.
Abstract
PURPOSE: The aim of the present study was to assess the efficacy of a sleep position trainer (SPT) in patients with an established diagnosis of positional obstructive sleep apnea and to evaluate the adherence after 1-year follow-up. METHODS: Polysomnography (PSG) was performed at baseline and after 1 year of SPT use. Patients received questionnaires to assess treatment satisfaction and subjective adherence. Data on objective adherence and number of vibrations initiated by the SPT were collected from the SPT device. RESULTS: Nine out of 58 patients stopped using the SPT during the first year of treatment (16%). Thirty-four middle-aged and overweight patients underwent a PSG after 1 year of SPT use (male/female ratio, 28/6; overall apnea/hypopnea index (AHI), 16/h). A significant reduction in overall AHI to 6/h was observed using treatment (p < 0.001). The median percentage of supine sleep decreased significantly to 1% with SPT (p < 0.001). The mean objective SPT use in 28 patients was 7.3 ± 0.9 h/night and 69 ± 26% of the nights. Furthermore, 75% of the patients reported a better sleep quality since the start of SPT treatment. CONCLUSIONS: Long-term treatment with the SPT was found to be effective in reducing overall AHI. Time spent sleeping in supine position was reduced to almost zero in the continuing users. Patient satisfaction was high when using the SPT.
PURPOSE: The aim of the present study was to assess the efficacy of a sleep position trainer (SPT) in patients with an established diagnosis of positional obstructive sleep apnea and to evaluate the adherence after 1-year follow-up. METHODS: Polysomnography (PSG) was performed at baseline and after 1 year of SPT use. Patients received questionnaires to assess treatment satisfaction and subjective adherence. Data on objective adherence and number of vibrations initiated by the SPT were collected from the SPT device. RESULTS: Nine out of 58 patients stopped using the SPT during the first year of treatment (16%). Thirty-four middle-aged and overweight patients underwent a PSG after 1 year of SPT use (male/female ratio, 28/6; overall apnea/hypopnea index (AHI), 16/h). A significant reduction in overall AHI to 6/h was observed using treatment (p < 0.001). The median percentage of supine sleep decreased significantly to 1% with SPT (p < 0.001). The mean objective SPT use in 28 patients was 7.3 ± 0.9 h/night and 69 ± 26% of the nights. Furthermore, 75% of the patients reported a better sleep quality since the start of SPT treatment. CONCLUSIONS: Long-term treatment with the SPT was found to be effective in reducing overall AHI. Time spent sleeping in supine position was reduced to almost zero in the continuing users. Patient satisfaction was high when using the SPT.
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