Clin Exp Otorhinolaryngol.  2017 Dec;10(4):315-320. 10.21053/ceo.2016.01683.

Analysis of Eustachian Tube Dysfunction by Dynamic Slow Motion Video Endoscopy and Eustachian Tube Dysfunction Questionnaire in Chronic Otitis Media

• Han WG
• Yoo J
• Rah YC
• Chang J
• Im GJ
• Song JJ
• Chae SW
• Jung HH
• Choi J

• KMID: 2396785
• DOI: http://doi.org/10.21053/ceo.2016.01683

Abstract

OBJECTIVES
Eustachian tube dysfunction has been associated with most cases of middle-ear disease. We aimed to assess the effectiveness of dynamic slow motion video endoscopy (DSVE) as a test of eustachian tube dysfunction. Furthermore, we assessed the correlation of the test with the Valsalva maneuver, the seven-item Eustachian Tube Dysfunction Questionnaire (ETDQ-7), and intraoperative findings of the eustachian tube.
METHODS
We retrospectively reviewed medical records from April to September 2014 to identify patients who were diagnosed with chronic otitis media (COM) at Korea University Ansan Hospital. They all underwent surgery because of COM without cholesteatoma and were assessed via the DSVE and ETDQ-7 to determine eustachian tube function.
RESULTS
We reviewed 46 COM patients and examined 46 ears with COM and 46 ears on the contralateral side to COM that were thought to be normal. The mean DSVE grade in COM ears was 1.57±0.96, while the mean DSVE grade in contralateral ears was 1.15±0.94. The difference in DSVE between COM ears and normal ears was statistically significant (P=0.006). In the ETDQ-7, a higher score was related to intraoperative obstruction of the eustachian tube (P=0.012).
CONCLUSION
DSVE and ETDQ-7 can provide information regarding preoperative status of eustachian tube dysfunction by measuring dynamic structural changes of the eustachian tube in combination with other diagnostic tests.

Keyword

Eustachian Tube; Endoscopy; Otitis Media; Seven-Item Eustachian Tube Dysfunction Questionnaire; Dynamic Slow Motion Video Endoscopy

MeSH Terms

Cholesteatoma
Diagnostic Tests, Routine
Ear
Endoscopy*
Eustachian Tube*
Gyeonggi-do
Humans
Korea
Medical Records
Otitis Media*
Otitis*
Retrospective Studies
Valsalva Maneuver

Figure

• 

  Fig. 1. Endoscopic findings of eustachian tube dysfunction during dynamic slow motion video endoscopy. (A) Tubal lumen opens well during swallowing (grade 0). (B) Edema and congestion of orifice mucosa of eustachian tube (grade 1). (C) Tubal lumen opens partially during swallowing. Edema and congestion involving lumen (grade 2). (D) Tubal lumen fails to open during swallowing (grade 3).

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