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Efficacy and cost of home-initiated auto-nCPAP versus conventional nCPAP
Carole Planès1, Marie-Pia D'Ortho, Arlette Foucher
1Service de Physiologie-Explorations Fonctionnelles, Hôpital Ambroise Paré, Assistance, Publique des Hôpitaux de Paris, Université Paris 5, 92100 Boulogne Billancourt, France. carole.planes@apr.ap-hop-paris.fr
Study Objectives:
To compare in a multicenter prospective study the efficacy and cost of conventional nasal continuous positive airway pressure (nCPAP) initiated at the sleep laboratory versus auto-nCPAP initiated at home.
Design:
Patients with severe obstructive sleep apnea syndrome (OSAS) were randomized to treatment with either the REM+ auto device in constant mode at the effective pressure determined by titration at the sleep laboratory (n=17) or the REM+ auto device in automatic mode initiated at the patients home by a nurse (n=18). After 2 months, the efficacy and cost of nCPAP therapy and the time from diagnosis to nCPAP were evaluated. All values are reported as means +/- SD.
Patients:
Thirty-five subjects with newly diagnosed OSAS (8 women and 27 men, mean age: 54.3 +/- 10.6 years, apnea-hypopnea index (AHI) 58.1 +/- 14.0 h(-1)).
Interventions:
N/A.
Measurements And Results:
Both treatments were used properly and induced similar decreases in the AHI (7.6 +/- 6.9 vs. 10.4 +/ -12.5 h(-1) for auto-nCPAP and conventional nCPAP, respectively; NS) and Epworth Sleepiness score (from 15.5 +/- 4.7 to 7.5 +/- 3.4 vs. 14.7 +/- 3.9 to 7.6 +/- 3.4 for auto-nCPAP and conventional nCPAP, respectively; NS). With auto-nCPAP initiated at home, the time from diagnosis to final adjustment of nCPAP was shorter (16.3 +/- 5.0 vs. 47.2 +/- 46.5 days with conventional nCPAP, P < 0.02) and the cost was lower (1,263 +/- 352 vs. 1720+/-455 E, respectively; P < 0.05).
Conclusions:
Treatment of OSAS with auto-nCPAP initiated at home is effective and reliable and reduces the time from diagnosis to therapy and the cost of treatment.