Is Area of the Retroglossal space Differently Affected by Posture in Apneic and Nonapneic Snorers?

European Respiratory Journal, 1995

Authors: A. Monnier, B. Lousis, F. Lofaso, l. Gilain, C. Van Surell, D.
Touchard, A. Harf, J. Fredberg and D. Isabey

Conclusion: “In conclusion, the present acoustic results do not reveal geometrical differences between apneic and nonapneic which could have been masked in previous acoustic studies. Above all, our results demonstrate again (i) the effect of body position on pharyngeal patency in snorers, and (ii) the similarity of this effect when observed in a population of snorers OSAS and non OSAS
otherwise homogeneous in terms of clinical complaint and obesity. At last, although the answer to the question raised in the title of the

paper is negative, the present study confirms the advantage of non- invasive acoustic evaluations not only in terms of accuracy as already shown in the past, but also in terms of clinical and physiological compatibility when a short wave tube is used as presently done.”

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