A case series in the September issue of the Journal of Clinical Sleep Medicine suggests that changing from an oronasal mask to a nasal mask may help some patients whose obstructive sleep apnea is incompletely controlled by CPAP therapy. According to the authors, a nasal mask trial should be considered for patients who have evidence of residual upper airway obstruction or who require surprisingly high CPAP pressures to control OSA with an oronasal mask.

Read the article in JCSM: Choosing an Oronasal Mask to Deliver Continuous Positive Airway Pressure May Cause More Upper Airway Obstruction or Lead to Higher Continuous Positive Airway Pressure Requirements than a Nasal Mask in Some Patients: A Case Series