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Original Article

The effect of ventilation tube insertion or trans-tympanic silicone plug insertion on a patulous Eustachian tube

, , , , , , & show all
Pages 551-555 | Received 09 Nov 2015, Accepted 11 Jan 2016, Published online: 23 Feb 2016
 

Abstract

Conclusions This study suggests that long-term ventilation tube insertion is the first-choice surgical treatment for a ‘sniff-type’ patulous Eustachian tube (PET). When treating a refractory PET, it is important to determine whether the patient had a habitual sniff. Objectives PET patients were divided into two groups: patients with a habitual sniff (sniff-type PET) and those without a habitual sniff (non-sniff-type PET). This study examined the effects of ventilation tube insertion or silicone plug insertion in each group. Methods Surgical procedures such as ventilation tube insertion or trans-tympanic silicone plug insertion were performed for these patients. Tubotympanoaero-dynamic graphy (TTAG) was also performed to determine the mechanisms underlying these treatments. Results There were 11 cases (17 ears) of sniff-type PET and 20 cases (27 ears) of non-sniff-type PET. An improvement in symptoms was found in 72.7% of the patients who underwent silicone plug insertion (66.7% for sniff-type PET and 74.1% for non-sniff-type PET) and in 90.9% of the patients who underwent ventilation tube insertion for sniff-type PET. In TTAG assessments, many sniff-type PET patients showed significant synchronous changes at high levels of pressure (over 40 daPa) in the external auditory meatus and nasopharynx when performing a slight Valsalva manoeuvre (below 200 daPa).

Acknowledgements

We thank Dr A. Kaneko for providing advice about tubotympanoaero-dynamic graphy (TTAG). We thank Dr K. H. Iwasa for his helpful criticisms of the manuscript.

Disclosure statement

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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