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The Modified Nasal Trumpet Maneuver

Beattie, Charles, PhD, MD

doi: 10.1097/00000539-200212000-00074
LETTERS TO THE EDITOR: Letters & Announcements

New York University

School of Medicine

New York, New York

In Response:

We appreciate the supporting observations of Drs. Walz and Bund and reference to their 1997 publication. Our discovery of the underlying principal of operation over 15 years ago was, in fact, using an endotracheal tube, as they describe. This was discussed in our original submitted manuscript, but was eliminated in the editorial process. Our substitution of a nasal airway for the endotracheal tube was done partly to reduce trauma to nasal tissues. The modified nasal trumpet has proven to be very useful in a host of common clinical situations in which it is tolerated by lightly anesthetized or emerging patients who require temporary ventilatory support. Also, it creates opportunities for elective, asleep, nasal intubation in lieu of special intubating masks. We have used a single endotracheal tube for both the initial establishment of ventilation and the tube’s simultaneous placement by fiberoptic assistance, as Drs. Walz and Bund mention. Success with this method depends on adequacy of the annular spaces between tube and scope to permit sufficient gas flow. This can be problematic if a smaller (< 7.0-mm) tube must be used.

Charles Beattie, PhD, MD

© 2002 International Anesthesia Research Society