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Does Successful Myringoplasty Affect Eustachian Tube Function?

ABSTRACT: Eustachian tube (ET) is a tube connecting the middle ear cavity with the nasopharynx and has an important role in equalization of pressure around TM. Many studies investigated the role of ET function tests on the results of myringoplasty/tympanoplasty. Our aim is to assess the effect of successful myringoplasty on Eustachian tube function. A prospective study included 37 patients admitted to the E.N.T Department at Sohag University Hospital in the period between March 2018 and March 2019 suffering from dry central perforation necessitating myringoplasty. Pre-operative E.T function tests using tympanometry and methylene blue dye test were done. Post-operative follow-up tympanometry was done after 3 months for those with successful myringoplasty and compared to the preoperative assessment. Thirty-one (83%) patients had functioning ET, 6 (17%) had non-functioning ET and 32 patients (86.5%) had successful myringoplasty (taken healthy graft). According to the effect of myringoplasty on ET function test 3 months following surgery, (9%) were affected, either improved (3%) or worsen (6%), while (91%) were not affected by tympanometry in those with taken healthy graft cases. In our study, there was no significant effect of myringoplasty on E.T function.

Supplementary information

The online version contains supplementary material available at 10.1007/s12070-021-02534-8.

SUBMITTER: Sayed RH

PROVIDER: S-EPMC9411378 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature

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Does Successful Myringoplasty Affect Eustachian Tube Function?

Sayed Ramadan Hashem RH Youssif Mostafa A MA Ali Khaled Abd El Rahman KAER Ragheb Dalia Talaat DT Dahy Khaled Gamal KG

Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India 20210402 Suppl 1

Eustachian tube (ET) is a tube connecting the middle ear cavity with the nasopharynx and has an important role in equalization of pressure around TM. Many studies investigated the role of ET function tests on the results of myringoplasty/tympanoplasty. Our aim is to assess the effect of successful myringoplasty on Eustachian tube function. A prospective study included 37 patients admitted to the E.N.T Department at Sohag University Hospital in the period between March 2018 and March 2019 sufferi ...[more]

PMID: 36032907

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Project description:ObjectiveA broad spectrum of complaints, symptoms and manifestations has been assigned to Eustachian tube (ET) dysfunction (ETD). While such presentations may manifest as ETD phenotypes, underlying mechanisms are defined as endotypes. Our goal is to develop a diagnostic approach to differentiate the endotypes and guide clinicians in the workup and selection of treatments targeting the mechanism of ETD.Study designRetrospective.SettingTertiary care.Subjects and methodsChildren and adults with suspected ETD were evaluated with a thorough examination, otomicroscopy, otoendoscopy, trans-nasal videoendoscopy and testing of passive and active ET dilatory properties. Degree of weakness in soft palate elevation and ET orifice widening (muscular weakness, ETD-M), presence of inflammation (ETD-I) and/or adenoid tissue impinging and restricting the ET opening (ETD-R) were assessed with video-endoscopy. The Forced Response Test, Inflation-Deflation Test and Pressure Chamber Test were used as applicable to quantify the degree and type of difficulty (Stricture, ETD-S or adhesive, ETD-A) or ease (patulous or semi-patulous, ETD-P/SP) in opening the ET, and degree of active muscular strength/weakness (ETD-M) was measured. Ears with normal function (ETF-N) findings were also identified.ResultsVideo-endoscopic and ETF test results were obtained for 71 ears of 40 subjects (22 males, 18 females; 38 white, 2 black), with an average age of 22.9 ± 16.5 years (min:6.2, max:64.1). Videoendoscopy (21, 13, 33, 16, 13, 0, 0 ETs) and ETF testing analysis (20, 24, 0, 38, 0, 3, 13 ears) were categorized as ETF-N and the ETD endotypes ETD-S, ETD-R, ETD-M, ETD-I, ETD-A, and ETD-P/SP, respectively. Some phenotypes had features consistent with more than one endotype.ConclusionA systematic approach of examination and testing may differentiate the specific underlying mechanisms, lead to a treatment targeted to the ETD endotype and may establish novel ways to diagnose and treat ETD.

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Does Successful Myringoplasty Affect Eustachian Tube Function?

Supplementary information

Publications

Does Successful Myringoplasty Affect Eustachian Tube Function?

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