A patulous Eustachian tube (PET) is another type of ETD which, though clinically less common, nevertheless results in symptoms that can be quite bothersome to the afflicted patient.

Conditions that tend to be associated with PET include pregnancy, radiation therapy, hormone therapy, fatigue, stress, and weight loss.

Additionally, anecdotal evidence suggests that some patients only experience symptoms or have an increase in symptoms during humid weather and especially during increased respiration in humid conditions (i.e. In addition to the aeration and drainage function of the normally functioning Eustachian tube, the tube also serves to dampen the intensity at which we hear our own voice.

General symptoms of PET include autophonia (hearing one’s own voice as abnormally loud), hyperacusis (hearing sounds in general as abnormally loud), tympanophonia, and, less commonly, distortion to speech and to sounds in general.

These symptoms may initially suggest a problem in the inner part of the ear and thus PET is often not recognized by the examiner.

Patulous Eustachian Tube is often easy to diagnose once the symptoms are recognized.

The evaluation of PET is very simple and includes a hearing evaluation, ear drum tests, and breathing tests.

The B&B Universal Bite Block – Adult is the most complete system to prevent biting of the endotracheal tube and potential rupture of the pilot balloon tube.

The Universal Bite Block™ application protects the pilot balloon tube and prevents the patient from biting the endotracheal tube.

Traditional feeding tubes may be difficult to conceal, visible through clothing and pose increased risk of snagging and removal – all of which can make patients limit their activities.