Can J Anesth/J Can Anesth (2017) 64:935–939 DOI 10.1007/s12630-017-0911-3 REPORTS O F O RIGINAL I NVES TIGATIONS Contribution of the nasal passage to face mask ventilation: a prospective blinded randomized crossover trial La contribution des voies nasales a la ventilation au masque : une ´ ´ ´ etude croisee randomisee prospective en aveugle . . . Tomoki Yamasaki, MD Nobuyasu Komasawa, MD, PhD Haruki Kido, MD, PhD Toshiaki Minami, MD, PhD Received: 30 October 2016 / Revised: 5 May 2017 / Accepted: 12 June 2017 / Published online: 16 June 2017 Canadian Anesthesiologists’ Society 2017 Abstract [215-390] mL vs 790 [713-823] mL, respectively; MD, 520 Background Previous studies have shown that the nasal mL; 95% CI, 390 to 582; P \ 0.001). passage plays an important role in manual face mask Conclusion Nasal passage obstruction considerably ventilation, but this has yet to be quantitatively assessed. reduces tidal volume achieved during face mask We conducted a prospective randomized crossover clinical ventilation. In some patients, it may be advantageous to trial to compare the change in pressure-controlled face relieve nasal airway obstruction for effective face mask mask tidal volume with and without nasal airway ventilation. occlusion. Trial registration UMIN Clinical Trials
Canadian Journal of Anesthesia/Journal canadien d'anesthésie – Springer Journals
Published: Jun 16, 2017
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