Non-Cochrane · intervention · PM42340217

Continuous Positive Airway Pressure Versus Mandibular Advancement Devices Impact on Cardio-Metabolic Outcomes in Patients With Obstructive Sleep Apnea: A Systematic Review and Meta-Analysis of Randomised Controlled Trials.

Manasrah AlMothana, Tanashat Mohammad, Ghaly Ramy, et al. · Journal of sleep research · 2026 · PubMed · doi:10.1111/jsr.70351

Findings

Population Adults with obstructive sleep apnea

38 findings

CPAPMandibular advancement device (MAD)24-h mean diastolic blood pressure
Crossover RCTs
MD -0.14 [-1.98, 1.69]
GRADE not reported
4 studies · 530 participants
CPAPMandibular advancement device (MAD)Asleep mean arterial pressureMD 0.81 [-1.45, 3.07]
GRADE not reported
3 studies · 334 participants
CPAPMandibular advancement device (MAD)Functional Outcomes of Sleep Questionnaire (FOSQ) score
Parallel-group RCTs
MD 1.22 [0.15, 2.29]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)24-h mean systolic blood pressure
Crossover RCTs
MD -0.09 [-2.09, 1.92]
GRADE not reported
4 studies · 530 participants
CPAPMandibular advancement device (MAD)Asleep (night) systolic blood pressureMD 0.21 [-1.92, 2.34]
GRADE not reported
7 studies · 677 participants
CPAPMandibular advancement device (MAD)Asleep (night) systolic blood pressure
Parallel-group RCTs
MD 1.53 [-1.72, 4.78]
GRADE not reported
4 studies · 355 participants
CPAPMandibular advancement device (MAD)Epworth Sleepiness Scale scoreMD 0.29 [0.19, 0.39]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)24-h mean diastolic blood pressure
Parallel-group RCTs
MD 0.70 [-1.43, 2.82]
GRADE not reported
3 studies · 287 participants
CPAPMandibular advancement device (MAD)Asleep diastolic blood pressureMD 0.14 [-1.30, 1.57]
GRADE not reported
7 studies · 677 participants
CPAPMandibular advancement device (MAD)Diastolic blood pressure dippingMD -3.12 [-5.62, -0.63]
GRADE not reported
3 studies · 146 participants
CPAPMandibular advancement device (MAD)Awake systolic blood pressure
Parallel-group RCTs
MD 1.72 [-1.21, 4.64]
GRADE not reported
4 studies · 355 participants
CPAPMandibular advancement device (MAD)24-h mean arterial pressureMD 0.61 [-1.40, 2.62]
GRADE not reported
3 studies · 337 participants
CPAPMandibular advancement device (MAD)24-h mean diastolic blood pressureMD 0.22 [-1.17, 1.60]
GRADE not reported
7 studies · 817 participants
CPAPMandibular advancement device (MAD)24-h mean heart rateMD -0.67 [-3.28, 1.94]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)24-h mean systolic blood pressure
Parallel-group RCTs
MD 1.58 [-1.65, 4.80]
GRADE not reported
3 studies · 287 participants
CPAPMandibular advancement device (MAD)GlucoseMD 1.37 [-3.17, 5.91]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)Asleep heart rateMD -0.56 [-3.05, 1.93]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)Systolic blood pressure dippingMD -0.96 [-3.45, 1.53]
GRADE not reported
3 studies · 146 participants
CPAPMandibular advancement device (MAD)Body mass index
Sensitivity analysis omitting Schutz et al. 2013
MD 1.22 [0.15, 2.28]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)Awake diastolic blood pressure
Crossover RCTs
MD -0.38 [-2.30, 1.54]
GRADE not reported
3 studies · 322 participants
CPAPMandibular advancement device (MAD)24-h mean systolic blood pressureMD 0.38 [-1.33, 2.08]
GRADE not reported
7 studies · 817 participants
CPAPMandibular advancement device (MAD)Awake systolic blood pressure
Crossover RCTs
MD 0.09 [-2.68, 2.86]
GRADE not reported
3 studies · 322 participants
CPAPMandibular advancement device (MAD)High-density lipoprotein cholesterolMD -1.20 [-8.75, 6.35]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)Asleep diastolic blood pressure
Parallel-group RCTs
MD 1.26 [-0.83, 3.35]
GRADE not reported
4 studies · 355 participants
CPAPMandibular advancement device (MAD)Awake heart rateMD -1.40 [-4.29, 1.49]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)Waist circumferenceMD 2.82 [-0.81, 6.45]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)Asleep (night) systolic blood pressure
Crossover RCTs
MD -0.79 [-3.60, 2.03]
GRADE not reported
3 studies · 322 participants
CPAPMandibular advancement device (MAD)TriglyceridesMD -25.18 [-57.11, 6.76]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)Awake diastolic blood pressure
Parallel-group RCTs
MD 0.48 [-1.60, 2.55]
GRADE not reported
4 studies · 355 participants
CPAPMandibular advancement device (MAD)Awake mean arterial pressureMD 0.37 [-1.72, 2.47]
GRADE not reported
3 studies · 337 participants
CPAPMandibular advancement device (MAD)Awake systolic blood pressureMD 0.86 [-1.15, 2.87]
GRADE not reported
7 studies · 677 participants
CPAPMandibular advancement device (MAD)Body mass indexMD 0.56 [-1.02, 2.14]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)Low-density lipoprotein cholesterolMD -15.20 [-28.86, -1.53]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)Neck circumferenceMD 0.42 [-0.55, 1.39]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)Awake diastolic blood pressureMD 0.01 [-1.39, 1.42]
GRADE not reported
7 studies · 677 participants
CPAPMandibular advancement device (MAD)Asleep diastolic blood pressure
Crossover RCTs
MD -0.86 [-2.82, 1.11]
GRADE not reported
3 studies · 322 participants
CPAPMandibular advancement device (MAD)Total cholesterolMD -17.10 [-30.15, -4.05]
GRADE not reported
Studies not reported
CPAPMandibular advancement device (MAD)Functional Outcomes of Sleep Questionnaire (FOSQ) scoreMD 0 [-0.05, 0.05]
GRADE not reported
Studies not reported

Included primary studies 24

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Barnes 2004
Efficacy of Positive Airway Pressure and Oral Appliance in Mild to Moderate Obstructive Sleep Apnea
DOI:10.1164/rccm.200311-1571oc
2004this review onlynot statednot extracted yet
Barnes et al. 2004
Efficacy of positive airway pressure and oral appliance in mild to moderate obstructive sleep apnea.
PMID:15201136
2004this review onlynot statednot extracted yet
Dal-Fabbro 2014
Mandibular advancement device and CPAP upon cardiovascular parameters in OSA
DOI:10.1007/s11325-014-0937-5
2014this review onlynot statednot extracted yet
Dal-Fabbro et al. 2014
Mandibular advancement device and CPAP upon cardiovascular parameters in OSA.
PMID:24463982
2014this review onlynot statednot extracted yet
De Vries et al. 2019
Clinical- and Cost-Effectiveness of a Mandibular Advancement Device Versus Continuous Positive Airway Pressure in Moderate Obstructive…
PMID:31596213
2019this review onlynot statednot extracted yet
Dissanayake 2021
Obstructive sleep apnea therapy for cardiovascular risk reduction—Time for a rethink?
DOI:10.1002/clc.23747
2021this review onlynot statednot extracted yet
Dissanayake et al. 2021
Obstructive sleep apnea therapy for cardiovascular risk reduction-Time for a rethink?
PMID:34791676
2021this review onlynot statednot extracted yet
E Silva 2021
The effects of continuous positive airway pressure and mandibular advancement therapy on metabolic outcomes of patients with mild…
DOI:10.1007/s11325-020-02183-1
2021this review onlynot statednot extracted yet
E. Silva et al. 2021
The effects of continuous positive airway pressure and mandibular advancement therapy on metabolic outcomes of patients with mild…
PMID:33394328
2021this review onlynot statednot extracted yet
Glos 2016
Comparison of effects of OSA treatment by MAD and by CPAP on cardiac autonomic function during daytime
DOI:10.1007/s11325-015-1265-0
2015this review onlynot statednot extracted yet
Glos et al. 2016
Comparison of effects of OSA treatment by MAD and by CPAP on cardiac autonomic function during daytime.
PMID:26463420
2016this review onlynot statednot extracted yet
Guimaraes et al. 2021
The treatment of mild OSA with CPAP or mandibular advancement device and the effect on blood pressure and endothelial function after one…
PMID:32964829
2021this review onlynot statednot extracted yet
Lam 2007
Randomised study of three non-surgical treatments in mild to moderate obstructive sleep apnoea
DOI:10.1136/thx.2006.063644
2007this review onlynot statednot extracted yet
Lam et al. 2007
Randomised study of three non-surgical treatments in mild to moderate obstructive sleep apnoea.
PMID:17121868
2007this review onlynot statednot extracted yet
Ou 2024
Mandibular Advancement vs CPAP for Blood Pressure Reduction in Patients With Obstructive Sleep Apnea
DOI:10.1016/j.jacc.2024.03.359
2024this review onlynot statednot extracted yet
Ou et al. 2024
Mandibular Advancement vs CPAP for Blood Pressure Reduction in Patients With Obstructive Sleep Apnea.
PMID:38588926
2024this review onlynot statednot extracted yet
Phillips 2013
Health Outcomes of Continuous Positive Airway Pressure versus Oral Appliance Treatment for Obstructive Sleep Apnea
DOI:10.1164/rccm.201212-2223oc
2013this review onlynot statednot extracted yet
Phillips et al. 2013
Health outcomes of continuous positive airway pressure versus oral appliance treatment for obstructive sleep apnea: a randomized…
PMID:23413266
2013this review onlynot statednot extracted yet
Schutz et al. 2013
Comparison of the effects of continuous positive airway pressure, oral appliance and exercise training in obstructive sleep apnea syndrome.
PMID:24037015
2013this review onlynot statednot extracted yet
Uniken Venema 2020
Dental side effects of long-term obstructive sleep apnea therapy: a 10-year follow-up study
DOI:10.1007/s00784-019-03175-6
2019this review onlynot statednot extracted yet
Uniken Venema et al. 2020
Dental side effects of long-term obstructive sleep apnea therapy: a 10-year follow-up study.
PMID:31863188
2020this review onlynot statednot extracted yet
Uniken Venema et al. 2022
Cardiovascular and metabolic effects of a mandibular advancement device and continuous positive airway pressure in moderate obstructive…
PMID:35088708
2022this review onlynot statednot extracted yet
Yamamoto 2019
Crossover comparison between CPAP and mandibular advancement device with adherence monitor about the effects on endothelial function,…
DOI:10.1007/s00380-019-01392-3
2019this review onlynot statednot extracted yet
Yamamoto et al. 2019
Crossover comparison between CPAP and mandibular advancement device with adherence monitor about the effects on endothelial function,…
PMID:30927057
2019this review onlynot statednot extracted yet

Review question

ElementPlanned (methods)Found (results)
PopulationAdults (>=18 years) diagnosed with obstructive sleep apneaAdults with OSA, mostly mild to moderate, age 38 to 61 years, BMI 25.9 to 33.2 kg/m2 (n=1241)
InterventionMandibular advancement device (MAD)MAD (14 RCTs)
ComparisonContinuous positive airway pressure (CPAP)CPAP (14 RCTs)
OutcomesPrimary: 24-h, awake and asleep blood pressure (mean, systolic, diastolic), dipping, heart rate. Secondary: BMI, waist and neck circumference, LDL, total cholesterol, glucose, HDL, triglycerides, ESS, FOSQBP (24-h, awake, asleep, dipping; 3 to 7 trials), heart rate, BMI, waist and neck circumference, LDL, total cholesterol, glucose, HDL, triglycerides, ESS, FOSQ
Study designsRandomised controlled trials only14 RCTs (parallel and crossover) from seven countries
TimingNot specifiedTreatment 4 weeks to 12 months (one trial 10-year follow-up)

AMSTAR 2 items

Two independent extractors rated each item. Their ratings are shown side by side because they have not been reconciled yet. The overall rating follows Shea et al. 2017: one critical flaw gives Low, more than one gives Critically Low.

ItemExtractor AExtractor BAgree
1Research question includes PICO componentsYesYesyes
2Protocol established before the reviewcriticalPartial YesPartial Yesyes
3Choice of study designs explainedNoNoyes
4Comprehensive literature searchcriticalNoNoyes
5Study selection in duplicateYesYesyes
6Data extraction in duplicateYesYesyes
7List of excluded studies with reasonscriticalNoNoyes
8Included studies described in detailPartial YesPartial Yesyes
9Risk of bias assessed satisfactorilycriticalRCT: Yes · NRSI: N/ANRSI: N/A · RCT: Yesno
10Funding of included studies reportedNoNoyes
11Appropriate meta-analysis methodscriticalRCT: No · NRSI: N/ANRSI: N/A · RCT: Nono
12Impact of risk of bias on the pooled resultsNoNoyes
13Risk of bias accounted for in interpretationcriticalYesYesyes
14Heterogeneity explainedYesYesyes
15Publication bias investigatedcriticalNoNoyes
16Conflicts of interest reportedYesYesyes
OverallCritically LowCritically Lowyes