Middle ear effusion—A theoretical neuro mechanical hypotheses

Raman, R. Ganapathi

doi:10.1017/s0022215100103834

Cited by 3 publications

(2 citation statements)

References 46 publications

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“…When there is a sustained negative pressure in the middle ear, serous fluid is produced by the mucous glands in the middle ear in an effort to equalize the pressure. 16 Sufficient negative pressure may exist to cause the rupture of blood vessels from the surrounding vasculature, resulting in a haemotympanum, or in severe cases, bulging and perforation of the tympanic membrane. 17 Histological changes seen with barotrauma range from congestion of the mucous membrane to oedema, bleeding into the mucosa of the middle-ear space, seromucinous effusion and polymorph infiltration.…”

Section: Pathologymentioning

confidence: 99%

Otic barotrauma from air travel

Mirza

Richardson

2005

J. Laryngol. Otol.

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Otic barotrauma occurring during air travel involves traumatic inflammation of the middle ear, caused by a pressure difference between the air in the middle ear and the external atmosphere, developing after ascent or more usually descent. The pressure difference occurs because of failure of the eustachian tube to equilibrate middle ear and atmospheric pressures. It is a common problem, presenting with ear fullness, otalgia and deafness. Severe cases may result in tympanic membrane perforation and even round window membrane rupture. Of three randomized controlled trials, one showed that oral pseudoephedrine decongestants reduced otalgia in adults with recurrent ear pain during air travel, whilst another found that oral pseudoephedrine did not decrease in-flight ear pain in children. The third trial showed that oxymetazoline decongestant nasal spray, taken 30 minutes before descent, did not produce a statistically significant reduction in symptoms of barotrauma in adults with recurrent ear pain during air travel. We review the causes, prevention and treatment of this condition.

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Section: Pathologymentioning

confidence: 99%

Otic barotrauma from air travel

Mirza

Richardson

2005

J. Laryngol. Otol.

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“…Отмечено, что основной причиной трубной дисфункции у детей 1-го года жизни, по мнению многих авторов, являются недостаточность мышц мягкого неба [11][12][13] и дисбаланс мукоцилиарного клиренса, приводящие к нарушению вентиляции и дренажной функции слуховой трубы [14][15][16], а в более старшем возрасте (начиная с 3 лет) -к различным механическим нарушениям проходимости слуховой трубы [17].…”

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The anatomical features of the middle ear exerting the influence on the formation of exudative otitis media in the breast-fed infants of different gestational age

Матроскин

Рахманова

et al. 2017

Vestn. otorinolaringol.

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The objective of the present study was to elucidate the anatomical features of the structure of the middle ear and eustachian tube in the breast-fed infants of different gestational age that may be responsible for the formation of exudates (fluids). We have examined 150 temporal bones obtained from the children's cadavers that were allocated to three groups as follows: 50 temporal bones obtained at weeks 26-30 weeks of gestation (group 1), 44 bones 31-36 weeks of gestation (group 2), and 37-40 weeks of gestation (full-term babies, group 3),The analysis of the data obtained on an individual bases revealed either increase or decreases in the selected characteristics of the eustachian tube in comparison with the respective average values as well as the well apparent predominance of a single change or a combination of alteration of several parameters in one case in 26-30 weeks and 31-36 weeks groups. No significant changes were found in group 1. It is concluded that the presence of a single change or a combination of two or three abnormal changes in the parameters of the bone structures of the eustachian tube can affect the development of the secretory process in the middle ear especially in the children born after 36 weeks of pregnancy.

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Middle ear effusion in children: Review of Recent literature

Ashoor¹

1994

J Fam Community Med

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Middle ear effusion—A theoretical neuro mechanical hypotheses

Abstract: SummaryAn alternative theoretical neuro-mechanical hypothesis is presented in the pathogenesis of middle ear effusion, along with a review.

Cited by 3 publications

References 46 publications

Otic barotrauma from air travel

Otic barotrauma from air travel

The anatomical features of the middle ear exerting the influence on the formation of exudative otitis media in the breast-fed infants of different gestational age

Middle ear effusion in children: Review of Recent literature

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