Technology-related problems due to mask discomfort/leak, pressure intolerance, and residual breathing events were associated with PAP failure in subjects seeking second opinions. Technological solutions (changes in masks, modes, and pressures) were addressed during REPAP protocol, after which 72% of subjects re-initiated PAP use. These technological interventions were associated with improved objective and subjective sleep variables and reversal of PAP failure.
Regardless of presenting chief complaint and ultimate diagnosis of sleep-disordered breathing, potential nonallergic rhinitis was common in patients at a sleep medical center at a rate possibly greater than twice that reported in the general population. Potential NAR+ was associated with worse sleep and distress symptoms. In both prevalence and treatment studies, research must further evaluate the potential impact of NAR on specific sleep disorders.
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