PMID: 2497690May 1, 1989Paper

Gaseous pathways in atelectatic ears

The Annals of Otology, Rhinology, and Laryngology
J Sadé, M Luntz

Abstract

Thirteen atelectatic ears were politzerized with CO2, O2, air, and N2. In consequence, the atelectasis in these ears disappeared, only to reappear again slowly. The reappearance of retraction corresponded in speed to the diffusion coefficient of the gases, indicating a regular diffusion process. At the same time, four of these politzerized patients were able to collapse the tympanic membrane of their air-filled middle ears abruptly through sniffing or swallowing. At least three patients could introduce air actively and voluntarily into their ears. These observations indicate that in atelectatic ears, as in normal ears, air can enter and leave the middle ear through one of two routes. One is the eustachian tube, through which air can pass both ways as a bolus. The second route is through the bloodstream, which gases enter and leave according to the rules of biologic diffusion. While the origin of negative pressure in atelectatic ears is unknown, this study shows that it may be a complex process stemming from a quantitative imbalance of loss versus gain of gas entry through either of the two routes.

References

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Citations

Jul 31, 2013·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Musaed Alzahrani, Issam Saliba
Jul 17, 1998·The Laryngoscope·M Ng, F H Linthicum
Dec 29, 1998·Respiration Physiology·H Mover-LevJ Sade
Apr 5, 2013·The Laryngoscope·Bekir SivriTemel Coskuner
Mar 1, 1995·Acta Oto-laryngologica·D LevyJ Sadé
Apr 3, 1998·The Annals of Otology, Rhinology, and Laryngology·H Mover-LevA Ar
Jul 1, 1990·The Annals of Otology, Rhinology, and Laryngology·J Sadé, M Luntz
Apr 1, 1997·The Annals of Otology, Rhinology, and Laryngology·H Mover-LevJ Sadé
Jul 1, 1995·The Annals of Otology, Rhinology, and Laryngology·J D SwartsW J Doyle
May 1, 1995·The Annals of Otology, Rhinology, and Laryngology·J SadéD Levy
Aug 1, 1994·The Annals of Otology, Rhinology, and Laryngology·W J Doyle, J T Seroky
Apr 13, 2001·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·J Sadé
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Oct 24, 2009·Acta Oto-laryngologica. Supplementum·Kyoko KitaokaHidetaka Kumagami
Mar 12, 2016·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Gabriel Martínez-CapoccioniCarlos Martín-Martín

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