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Showing posts with label video. Show all posts
Showing posts with label video. Show all posts

Saturday, October 13, 2012

Synthetic Vocal Cords [video]

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Synthetic vocal cords being under development at MIT and Harvard... Very good video!

What are some of the vocal cord problems that may benefit from such a synthetic gel? Vocal cord paralysisvocal cord surgery to address polyps, cystsnodulesgranulomas, etc.

As an FYI... the synthetic vocal cord gel portrayed in the video is still under development and not available for patient use yet...

Video on Zenker's Diverticulum Surgery (Endoscopic Staple Diverticulostomy)

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new video describing Endoscopic Staple Diverticulostomy to treat Zenker's Diverticulum has been produced.

For more information, click here.

Devices That Help Fix Clogged Ears

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Clogged ears due to eustachian tube dysfunction or fluid in the ears is one of the most common complaints seen in an ENT clinic. Beyond medications like steroids & nasal sprays or even surgery (ear tubes) to resolve this complaint, a fundamental physical maneuver the patient MUST also be doing is called "valsalva". Valsalva is the attempt to "pop" the ears by yawn, swallow, or attempting to gently blow air out the nose that is pinched shut.


The yawn and swallow are passive maneuvers to pop the ear whereby trying to gently blow air out the nose while keeping it pinched shut to create intra-nasal pressure is an active maneuver.

The key concept is that medications do not pop the ears for you... YOU have to pop the ears yourself. Medications just help accomplish this task.

Typically, when things are truly clogged and it is very difficult if not impossible to pop the ears open, actively trying to pop the ears open is key. Yawning and swallowing typically is ineffective.

However, there are patients who can't quite grasp the idea of HOW to pop the ears by nose pinching. OR, they are too scared that they might rupture their eardrums (which could happen if the nose-blowing is too aggressive).

Furthermore, what about the 2 years old who doesn't even understand how to nose-blow let alone valsalva?

As such, there are two main devices to perform the active valsalva for such individuals. Please note, I have no financial ties to either companies to disclose.

Otovent

The first is a simple balloon called Otovent (can be purchased on Amazon). In essence, you snug the balloon up against the nose and try to inflate the balloon up. The balloon itself provides the necessary and sufficient back-pressure into the nose resulting in an active valsalva. This is mainly used by children who can appreciate the visual feedback.

EarPopper

The second is an electronic device, EarPopper (also can be purchased on Amazon), that pushes air into the nose. So, rather than having the lungs "push" air into the nose to create intra-nasal air pressure, this device replaces the lungs and pushes air into the nose from the front. This device comes in two flavors: Home and Pro versions. 


Please keep in mind that there's another electronic device which supposedly helps with ear popping called EarDoc which is not recommended as it uses an unproven concept.

So there you have it...

Read more about this condition here.


Products That Help Pop the Ear Due to Eustachian Tube Dysfunction or Fluid in the Middle Ear:

Geared Toward Adults
Balloon Geared Toward Kids

How Does Cervical Spine Surgery Potentially Cause Voice and Swallow Problems? [video]

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It is not unusual for an ENT surgeon to see patients with swallowing and voice difficulties after cervical spine surgery. In particular, the ACDF surgery (Anterior Cervical Discectomy and Fusion).

The key to understanding these issues is to first understand the anatomy involved.

The cervical spine is located in the back of the neck. In front of this spine is the esophagus (swallowing tube) and voicebox.

As such, when a spine surgeon goes through the FRONT of the neck in order to perform cervical spine surgery located in the BACK of the neck, (s)he has to move the esophagus and voicebox over to the side.


A plate is than fixated to the spine to fuse the cervical vertebral bodies.

Because of such manipulation of the esophagus and voicebox, it is not uncommon for a patient to complain of hoarseness and difficulty swallowing after surgery.

Fortunately, such problems usually dissipate with time, but not always.

Watch the video describing ACDF and how it can affect voice and swallow.

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