PT - JOURNAL ARTICLE AU - Lofaso, F AU - Fodil, R AU - Lorino, H AU - Leroux, K AU - Quintel, A AU - Leroy, A AU - Harf, A TI - Inaccuracy of tidal volume delivered by home mechanical ventilators AID - 10.1034/j.1399-3003.2000.15b20.x DP - 2000 Feb 01 TA - European Respiratory Journal PG - 338--341 VI - 15 IP - 2 4099 - http://erj.ersjournals.com/content/15/2/338.short 4100 - http://erj.ersjournals.com/content/15/2/338.full SO - Eur Respir J2000 Feb 01; 15 AB - Ideally, the inspired (tidal) volume (V(T)) provided by a volume-controlled ventilation device should not change when the pressure imposed on the ventilator varies. A bench study evaluation of V(T) versus pressure was performed on 10 commercially available devices. The difference between the desired V(T) and the observed V(T) reached 100 mL for some devices when inspiratory resistance was at its lowest, rising to 150 mL when inspiratory resistance was increased to obtain peak airway pressure of 60 cmH2O. The present data indicate that some home ventilators are inaccurate in delivering the preset tidal volume when the pressure imposed on the ventilator is increased to simulate high airway resistance.