In vivo Estimation of Tracheal Distensibility and Hysteresis in Normal Adults
Journal of Applied Physiology, 1987
Authors: V. Hoffstein, R. G. Castile, C. R. O’Donnell, G. M. Glass, D. J.
Strieder, M. E. B. Wohl, and J. J. Fredberg
Conclusion: “
Effect of Mouthpiece, Nose Clips, and Head Position on Airway Area Measured by Acoustic Reflections
Journal of Applied Physiology, 1987
Authors: I. Rubinstein, P.A. McClean, R. Boucher, N. Zamel, J.J. Fredberg, and V. Hoffstein
Conclusion: “Acoustic reflection technique is so far the only relatively simple, noninvasive, reproducible, and inexpensive technique that permits the measurements of upper airway anatomy under dynamic conditions.”
Measurement of Upper Airway Movement by Acoustic Reflection
Annals of Biomedical Engineering, 1995
Authors: Y. Zhou and J. A. Daubenspeck
Conclusion: “
Tracheal Stenosis Measured by the Acoustic Reflection Technique
American Review of Respiratory Disease, 1984
Authors: V. Hoffstein and N. Zamel
Conclusion: “
Reproducibility and Accuracy of Airway Area by Acoustic Reflection
Journal of Applied Physiology, 1984 Authors: L. J. Brooks, R. G. Casitle, G. M. Glass, N. T. Griscom, M. E. B. Wohl, and J. J. Fredberg Conclusion: “We conclude that the measurement of Airway Area by Acoustic Reflection yields accurate and highly reproducible results that may be clinically useful for the noninvasive detection of changes…