[Comparison of automatic (AUTO-CPAP)and "manual" CPAP pressure titration in patients with obstructive sleep apnea].
Auto-CPAP gives an opportunity to decrease costs of evaluating patient with OSA, replacing manual titration of pressure during PSG. The aim of this study was to compare automatic (auto-CPAP) and manual CPAP pressure titration in patients with OSA. We studied 50 obese patients (BMI--35 +/- 6 kg/m2), mean age 52.4 +/- 9.4 years with severe OSA, mean: AHI--62.9 +/- 22.1, mean overnight SaO2--89.1 +/- 3.7%, T90--54.4 +/- 29.6%. Two polysomnographies were performed: first when patient slept with CPAP and pressure was titrated manually by a technician and second on auto-CPAP device. Both methods had similar efficacy in reduction of AHI (< 10/h) and hypoxaemia, despite lower pressure established during auto-CPAP mode preventing apnoeas and hypopnoes during 90% of sleep time (8.2 +/- 1.7 cm H2O) compared to manual CPAP titration (9.2 +/- 1.7 cm H2O) (p < 0.05).


CONCLUSIONS
Auto-CPAP seems to be a reliable alternative to manual titration of the therapeutic pressure in patients with OSA. This may help to cut a waiting list for PSG of patients suspected of OSA.
Pływaczewski
R
R
Kliniki Chorób Płuc, Instytutu Gruźlicy i Chorób Płuc w Warszawie.
Zgierska
A
A
Bednarek
M
M
Zieliński
J
J
D000328:Adult; D006801:Humans; D008875:Middle Aged; D009765:Obesity / Q000150:complications; D017286:Polysomnography; D011175:Positive-Pressure Respiration; D020181:Sleep Apnea, Obstructive / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology