Source: Annual Congress 2002 - Auto-CPAP in sleep apnoea: clinical aspects
Disease area: Sleep and breathing disorders

Abstract

Ten patients (8 male, 2 female, mean BMI 34.98 (SD) ( 7.43) with severe obstructive sleep apnea hypopnea syndrome (mean RDI = 59.9 ±] 24.04 events per hour) had split night polysomnography. On another non-consecutive night, patients had full night polysomnography using a new self-titrating CPAP device. Results from the therapy portion of the split night polysomnography were compared to full night polysomnography with the new self-titrating CPAP device (REMStar Auto, Respironics, Inc. Murrysville PA, USA). The mean manual CPAP pressure was 13 ±] 3.68 cmH20 and the mean 90th percentile pressure for the REMStar Auto was 12.6 ±] 5.22 cmH2O (p = 0.85). The mean RDI was 9.16 ±] 11.2 for manual CPAP and 6.54 ±] 9.83 for the REMStar Auto. RDI in the two studies did not differ significantly (p=0.53). Similarly, no difference was found in lowest arterial saturation (REMStar Auto 84.07 ±] 3.26, manual CPAP 84.19 ±] 7.96, p= 0.97) or in the percent of time with arterial saturation less than 90% (REMStar Auto 6.55% ±] 9.80, manual CPAP 10.93% ±] 13.31, p= 0.47). The REMStar Auto was as effective as manual CPAP titration in treating severe obstructive sleep apnea hypopnea in this group of patients.

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Citations should be made in the following way:
M. Ostrowski, J. Remmers, W. Hardy (Calgary, Canada; Murrysville, United States Of America). Preliminary evaluation of a new automatically titrating nasal continuous positive airway pressure (CPAP) device. Eur Respir J 2002; 20: Suppl. 38, 170

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