The purpose of this study is to compare the treatment adherence and effects in three modalities of Continuous Positive Airway Pressure Treatment for Obstructive Sleep Apnea.
Obstructive sleep apnea (OSA) is a common disorder that is associated with substantial morbidity, including excessive daytime sleepiness, hypertension, and cardiovascular disease. Although Continuous Pressure Airway Pressure (CPAP) is effective treatment of objective and subjective complaints, adherence to CPAP therapy is suboptimal. Recently, pressure-relief CPAP (C-flex,A-flex; Respironics; Murrysville, PA) is available. The present study is single-blind,prospective, randomised, crossover study to compare the adherence and effects of therapy with C-flex, A-flex, and autoadjusting CPAP after 3 months of CPAP treatment. Additionally, after 3 months of CPAP treatment, the patients who treated with C-flex and A-flex will crossovered, we will acess to change of adherence and effects of CPAP treatment.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
93
Pressure-relief CPAP treatment may reduce the sensation of breathing against high pressure without causing the upper airways to collapse and improve adherence.
Kyoto University Graduate School of Medicine
Kyoto, Kyoto, Japan
objective CPAP adherence (objective adherence are downloaded and reported by the memory card located in the CPAP device.)
Time frame: 3 months
subjective, objective satisfaction and complaints for CPAP therapy
Time frame: 3 months
respiratory events (ie. apnea-hypopnea index)
Time frame: 3 months
change of positive airway pressure
Time frame: 3 months
quality of life etc.
Time frame: 3 months
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