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Laryngoscopy and nasolaryngoscopy

Laryngoscopy and Nasolaryngoscopy

Laryngoscopy and nasolaryngoscopy are important medical procedures used to examine and diagnose various conditions of the throat. Both procedures involve the insertion of an endoscope, a thin, lighted tube, through the nose or mouth to allow a doctor to view the throat area.

Preparation for Procedure

Before the procedure is done, a patient may need to fast for several hours to empty the stomach, avoid water, or take a laxative. Depending on the type of procedure your doctor is doing, you may need to stop certain medications days before so that you don't bleed too much. It's also important to let your doctor know if you have any allergies or if you are pregnant.

Procedure

The procedure usually takes about 15 to 30 minutes if performed in an outpatient setting. First, the patient will be positioned on their back and the doctor will use a local anesthetic to numb the nose and throat area. Then, the endoscope will be inserted either through the nose or the mouth to examine the throat. During the procedure, the patient may be asked to make different mouth and lip movements to help the doctor see what they need to.

Types

There are two types of laryngoscopy and nasolaryngoscopy procedures. The direct laryngoscopy is when the endoscope is inserted through the mouth and allows the doctor to view the vocal cords and larynx. The indirect laryngoscopy is when the endoscope is inserted through the nose and allows the doctor to view the nasal cavity and the back of the throat.

Risks

Although risks are minimal, some patients may experience bleeding, infection, or damage to the throat. There is also a risk of an allergic reaction if the patient is taking certain medications. Additionally, the patient may experience a sore throat, hoarseness, or a feeling of tightness after the procedure.

Why is this Procedure Done?

This procedure is done to diagnose and/or treat various issues of the throat and larynx. It may be used to diagnose tumors, polyps, or growths, as well as voice box or vocal cord problems. The procedure can also be used to diagnose gastroesophageal reflux disease, dysphasia, and infections.

When is it Done?

This procedure is typically done if a doctor suspects a problem with the throat or larynx area. It is also done before or after surgery to ensure that the patient is healthy. The procedure may also be done if a patient is experiencing hoarseness, difficulty swallowing, or pain in the throat area.
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