STUDY OBJECTIVES:Continuous positive airway pressure (CPAP) for the treatment of obstructive sleep apnea hypopnea syndrome (OSAHS) is conventionally started after in-laboratory overnight titration. This use of sleep laboratory space is both costly and limits access for diagnostic studies. This study aimed to evaluate whether automated CPAP titration in the home produced patient outcomes equal to those following laboratory-based automated CPAP titration. The main outcomes were Epworth Sleepiness Scale score, objective daytime sleepiness (Oxford SLEep Resistance test or OSLER test), and CPAP use; we also performed quality-of-life questionnaires: Functional Outcomes of Sleep Questionnaire and SF-36. DESIGN: Prospective, randomized, single-blind, parallel-group, controlled trial SETTING:Regional sleep center and patients' homes. PATIENTS: Two hundred CPAP-naïve patients with OSAHS requiring CPAP treatment. INTERVENTIONS:One hundred patients were randomly assigned to a standard 1-night in-hospital CPAP titration and 100 to 3 nights' home CPAP titration and then issued with fixed pressure CPAP. Data were analyzed on an intention-to-treat basis. MEASUREMENTS AND RESULTS: The patient groups did not differ at baseline. The CPAP pressures defined at titration (mean+/- SEM: 10.6+/-0.2, 10.4+/-0.2 cm H20, p = .19), number of mask leaks, and initial acceptance rates were similar in the sleep-laboratory and home-titrated groups. At 3-month follow-up, there was no significant difference in CPAP use (mean+/-SEM: 4.39+/-0.25, 4.38+/-0.25 h/night; p > .9), Epworth Sleepiness Scale score (9.5+/-0.5, 8.5+/-0.5, p = .14), OSLER, Functional Outcomes of Sleep Questionnaire, or SF-36 between the sleep-laboratory and home-titrated groups. CONCLUSIONS:Home-based automated CPAP titration is as effective as automatic in-laboratory titrations in initiating treatment for OSAHS.
RCT Entities:
STUDY OBJECTIVES: Continuous positive airway pressure (CPAP) for the treatment of obstructive sleep apnea hypopnea syndrome (OSAHS) is conventionally started after in-laboratory overnight titration. This use of sleep laboratory space is both costly and limits access for diagnostic studies. This study aimed to evaluate whether automated CPAP titration in the home produced patient outcomes equal to those following laboratory-based automated CPAP titration. The main outcomes were Epworth Sleepiness Scale score, objective daytime sleepiness (Oxford SLEep Resistance test or OSLER test), and CPAP use; we also performed quality-of-life questionnaires: Functional Outcomes of Sleep Questionnaire and SF-36. DESIGN: Prospective, randomized, single-blind, parallel-group, controlled trial SETTING: Regional sleep center and patients' homes. PATIENTS: Two hundred CPAP-naïve patients with OSAHS requiring CPAP treatment. INTERVENTIONS: One hundred patients were randomly assigned to a standard 1-night in-hospital CPAP titration and 100 to 3 nights' home CPAP titration and then issued with fixed pressure CPAP. Data were analyzed on an intention-to-treat basis. MEASUREMENTS AND RESULTS: The patient groups did not differ at baseline. The CPAP pressures defined at titration (mean+/- SEM: 10.6+/-0.2, 10.4+/-0.2 cm H20, p = .19), number of mask leaks, and initial acceptance rates were similar in the sleep-laboratory and home-titrated groups. At 3-month follow-up, there was no significant difference in CPAP use (mean+/-SEM: 4.39+/-0.25, 4.38+/-0.25 h/night; p > .9), Epworth Sleepiness Scale score (9.5+/-0.5, 8.5+/-0.5, p = .14), OSLER, Functional Outcomes of Sleep Questionnaire, or SF-36 between the sleep-laboratory and home-titrated groups. CONCLUSIONS: Home-based automated CPAP titration is as effective as automatic in-laboratory titrations in initiating treatment for OSAHS.
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