Conti G, Cavaliere F, Costa R, Craba A, Catarci S, Festa V, Proietti R, Antonelli M. Respir Care. 2007 Nov;52(11):1463-71
Comparison of the efficacy of NPPV delivered to 25 patients via helmet, matched with 25 controls chosen from historical patients treated with face mask. Authors conclude that NPPV by helmet can be 'an alternative to conventional ventilation'.
Link to abstract.
Antonelli M, Conti G, Esquinas A, Montini L, Maggiore SM, Bello G, Rocco M, Maviglia R, Pennisi MA, Gonzalez-Diaz G, Meduri GU. Crit Care Med. 2007 Jan;35(1):18-25
Prospective multi-centre cohort study across three European intensive care units with NPPV expertise, resulted in survey of 479 patients with ARDS. Authors conclude NPPV applied as first-line intervention avoided intubation in 54% of treated patients.
Link to abstract.