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Case Reports in Medicine
Volume 2013, Article ID 945782, 6 pages
http://dx.doi.org/10.1155/2013/945782
Case Report

An Evaluation of a Novel Mask in Four Patients with Obstructive Sleep Apnea and Overlap Syndromes

1Mercy North-Iowa Neurology and Sleep Laboratory, University of Iowa, Mason City, IA 50401, USA
2VA Western New York Healthcare System, Division of Cardiothoracic Anesthesia and Pain Medicine, Department of Anesthesiology, State University of New York at Buffalo, School of Medicine and Biomedical Sciences, Buffalo, NY 14215, USA
3University of Iowa, Mason City, IA 50401, USA
4VA Western New York Healthcare System, Division of Critical Care and Pain Medicine, Department of Anesthesiology, State University of New York at Buffalo, School of Medicine and Biomedical Sciences, Buffalo, NY 14215, USA

Received 3 May 2013; Revised 19 June 2013; Accepted 3 July 2013

Academic Editor: Tian Po Oei

Copyright © 2013 Alireza Yarahmadi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We present four cases of adults with obstructive sleep apnea in whom positive airway pressure therapy alone failed to provide adequate oxygenation. We have previously reported the use of dual mask for ventilatory support of a patient postoperatively (Porhomayon et al., 2013). Here, we report an evaluation of the dual mask in four patients with overlap syndromes. Application of dual mask provided adequate oxygenation with lower continuous positive airway pressure (CPAP)/bilevel positive airway pressure (BIPAP) pressure levels.