Minimal inflation volume for Combitube Oro-pharyngeal Balloon

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Article Title:	Minimal inflation volume for Combitube Oro-pharyngeal Balloon
Authors:	Luis A. Gaitini1, Mostafa Somri1, Boris Yanovski1, Sonia J. Vaida2*
Affiliation:	1 B’nai Zion Medical Center, Faculty of Medicine, Technion, Haifa, Israel 2 Penn State Milton S. Hershey Medical Center, Pennsylvania State University College of Medicine, Hershey, Pennsylvania, USA
Abstract:	Excessive filling of the oro-pharyngeal balloon of the Combitube may predispose to injury of the pharyngeal mucosa. The minimum inflation volume for the oro-pharyngeal balloon that provides an adequate airway seal during spontaneous ventilation was studied. We conclude that cuff volumes substantially less than those recommended by the manufacturer will provide an effective seal by the oropharyngeal balloon of the Combitube during spontaneous ventilation. This may be of importance in avoiding pharyngeal trauma by the Combitube.
Keywords:	airway management, Combitube
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*Correspondence:	Sonia Vaida, M.D., Department of Anesthesiology, Penn State Milton S. Hershey Medical Center, 500 University Drive, H187, Hershey, PA 17033-0850, Phone: 717-531-8434 / Fax: 717-531-4204; Email: svaida@hmc.psu.edu