CPAP vs Mandibular Advancement Devices and Blood Pressure in Patients With Obstructive Sleep Apnea: A Systematic Review and Meta-analysis

IMPORTANCE: Obstructive sleep apnea is associated with higher levels of blood pressure (BP), which can lead to increased cardiovascular risk. OBJECTIVE: To compare the association of continuous positive airway pressure (CPAP), mandibular advancement devices (MADs), and inactive control groups (place...

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Bibliographic Details
Published in:JAMA : the journal of the American Medical Association 2015-12, Vol.314 (21), p.2280-2293
Main Authors: Bratton, Daniel J, Gaisl, Thomas, Wons, Annette M, Kohler, Malcolm
Format: Article
Language:English
Subjects:
Airway management
Blood Pressure
Continuous Positive Airway Pressure
Humans
Mandibular Advancement
Randomized Controlled Trials as Topic
Sleep apnea
Sleep Apnea, Obstructive - therapy
Systematic review
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Summary:IMPORTANCE: Obstructive sleep apnea is associated with higher levels of blood pressure (BP), which can lead to increased cardiovascular risk. OBJECTIVE: To compare the association of continuous positive airway pressure (CPAP), mandibular advancement devices (MADs), and inactive control groups (placebo or no treatment) with changes in systolic BP (SBP) and diastolic BP (DBP) in patients with obstructive sleep apnea. DATA SOURCES: The databases of MEDLINE, EMBASE, and the Cochrane Library were searched up to the end of August 2015 and study bibliographies were reviewed. STUDY SELECTION: Randomized clinical trials comparing the effect of CPAP or MADs (vs each other or an inactive control) on BP in patients with obstructive sleep apnea were selected by consensus. Of 872 studies initially identified, 51 were selected for analysis. DATA EXTRACTION AND SYNTHESIS: Data were extracted by one reviewer and checked by another reviewer. A network meta-analysis using multivariate random-effects meta-regression was used to estimate pooled differences between each intervention. Meta-regression was used to assess the association between trial characteristics and the reported effects of CPAP vs inactive control. MAIN OUTCOMES AND MEASURES: Absolute change in SBP and DBP from baseline to follow-up. RESULTS: Of the 51 studies included in the analysis (4888 patients), 44 compared CPAP with an inactive control, 3 compared MADs with an inactive control, 1 compared CPAP with an MAD, and 3 compared CPAP, MADs, and an inactive control. Compared with an inactive control, CPAP was associated with a reduction in SBP of 2.5 mm Hg (95% CI, 1.5 to 3.5 mm Hg; P 
ISSN:0098-7484
1538-3598
DOI:10.1001/jama.2015.16303