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Endoscopic hydroxyapatite augmentation for patulous Eustachian tube.

Reza Vaezeafshar¹, Justin H Turner, Gang Li

¹Department of Otolaryngology-Head and Neck Surgery, Stanford University School of Medicine, Stanford, California.

The Laryngoscope

|June 19, 2013

Summary

Endoscopic hydroxyapatite injection safely improved patulous Eustachian tube symptoms like autophony and ear fullness in over half of treated sides. This minimally invasive procedure offers a durable and well-tolerated alternative treatment.

Keywords:

Eustachian tube Patulous Eustachian tube augmentation hydroxyapatite injection

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Area of Science:

Otolaryngology
Minimally Invasive Surgery
Biomaterials

Background:

Patulous Eustachian tube (PET) significantly impacts quality of life with symptoms like autophony and ear fullness.
Current treatments for PET can be invasive and carry risks.
There is a need for safe and effective minimally invasive treatment options for PET.

Purpose of the Study:

To evaluate the safety and efficacy of endoscopic calcium hydroxyapatite injection for treating patulous Eustachian tube (PET).

Main Methods:

A retrospective case series involving 14 patients with PET.
Endoscopic injection of hydroxyapatite into the Eustachian tube under general anesthesia.
Postoperative evaluation included nasal endoscopy and symptom questionnaires.

Main Results:

Over 57% of treated sides showed significant or complete relief of voice and breathing autophony and ear fullness.
Symptom improvement was durable throughout the 17.5-month mean follow-up.
No intraoperative or postoperative complications were observed, indicating a safe procedure.

Conclusions:

Endoscopic hydroxyapatite injection is a safe and effective minimally invasive treatment for patulous Eustachian tube.
The procedure offers significant symptom relief for autophony and ear fullness.
Hydroxyapatite injection presents a satisfactory alternative to more invasive PET treatments.