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Volume 15 No. 11
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Accepted Papers





Scientific Investigations

Long-Term Objective Adherence to Mandibular Advancement Device Therapy Versus Continuous Positive Airway Pressure in Patients With Moderate Obstructive Sleep Apnea

Grietje E. de Vries1,2; Aarnoud Hoekema3,4,5,6; Johannes Q.P.J. Claessen7; Cornelis Stellingsma3; Boudewijn Stegenga3,†; Huib A.M. Kerstjens1,2; Peter J. Wijkstra1,2,8
1Department of Pulmonary Diseases, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands; 2Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands; 3Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands; 4Department of Oral Kinesiology, Academic Center for Dentistry Amsterdam, MOVE Research Institute Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, The Netherlands; 5Department of Oral and Maxillofacial Surgery, Academic Medical Center, Amsterdam, The Netherlands; 6Department of Oral and Maxillofacial Surgery, Tjongerschans Hospital, Heerenveen, The Netherlands; 7Department of Ear, Nose and Throat Surgery, Martini Hospital, Groningen, The Netherlands; 8Center for Home Mechanical Ventilation, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands; †Deceased October 27, 2018

Study Objectives:

Comparable health effects of mandibular advancement device (MAD) and continuous positive airway pressure (CPAP) therapy have been attributed to higher adherence with MAD compared with CPAP therapy. The objective of this study was to make a direct comparison of the objective adherence between MAD and CPAP in patients with moderate obstructive sleep apnea (OSA).

Methods:

Adherence was monitored for 12 months in 59 patients with moderate OSA (apnea-hypopnea index 15–30 events/h) as part of a randomized controlled trial. Objective adherence with MAD was assessed using the TheraMon microsensor. Objective adherence with CPAP was assessed using the built-in registration software with readout on SD card. Self-reported adherence with both therapies was assessed using a questionnaire.

Results:

Forty patients (68%) completed the study with the therapy to which they were randomly assigned. Median (interquartile range) objective adherence (h/night) in the 3rd month was 7.4 (5.2–8.2) for MAD and 6.8 (5.7–7.6) for CPAP (P = .41), compared to 6.9 (3.5–7.9) with MAD and 6.8 (5.2–7.6) with CPAP (P = .85) in the 12th month. There were no significant changes between the 3rd and 12th month for both MAD (P = .21) and CPAP (P = .46). Changes in adherence were not significantly different between MAD and CPAP (P = .51). Self-reported adherence was significantly higher with MAD than CPAP at all follow-ups. Self-reported adherence with CPAP was lower than objective CPAP adherence at the 6th and 12th month (P = .02).

Conclusions:

Objective adherence with MAD and CPAP is comparable and consistent over time. Self-reported adherence is higher with MAD than with CPAP giving rise to interesting discrepancy between objective and self-reported adherence with CPAP.

Clinical Trial Registration:

Registry: ClinicalTrials.gov; Identifier: NCT01588275

Citation:

de Vries GE, Hoekema A, Claessen JQPJ, Stellingsma C, Stegenga B, Kerstjens HAM, Wijkstra PJ. Long-term objective adherence to mandibular advancement device therapy versus continuous positive airway pressure in patients with moderate obstructive sleep apnea. J Clin Sleep Med. 2019;15(11):1655–1663.




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