Paralysis of vocal cords and larynx, unilateral Save

Understanding Paralysis of Vocal Cords and Larynx, Unilateral

Paralysis of the vocal cords and larynx, specifically unilateral paralysis, is a condition that affects the voice and speech production. It occurs when one vocal cord or the muscles surrounding the larynx become partially or completely paralyzed, resulting in significant voice changes.

Symptoms:

1. Hoarseness: One of the most common symptoms experienced by individuals with unilateral vocal cord paralysis is a hoarse or raspy voice. This occurs due to the inability of the affected vocal cord to fully close, leading to air leakage during speech.
2. Weak voice: As the paralyzed vocal cord cannot move properly, it affects the strength of the voice, making it sound weak or breathy.
3. Voice fatigue: Speaking for extended periods may cause vocal fatigue and discomfort due to the additional strain on the unaffected vocal cord.
4. Difficulty swallowing: Some individuals may experience swallowing difficulties, as the vocal cord plays a crucial role in protecting the airway during swallowing.

Causes:

Unilateral vocal cord paralysis can occur due to various reasons, including:

1. Injury or trauma to the neck or chest: Accidents or surgeries in these areas can damage the nerves responsible for vocal cord movement.
2. Underlying medical conditions: Certain conditions like stroke, tumors, or neurological disorders can lead to vocal cord paralysis.
3. Viral infections: In rare cases, viral infections can affect the nerves controlling the vocal cords.

Diagnosis:

To diagnose unilateral vocal cord paralysis, a thorough examination by an otolaryngologist (ear, nose, and throat specialist) is required. The doctor may perform a laryngoscopy, where a flexible scope is inserted through the nose or mouth to visualize the vocal cords.

Conclusion:

Paralysis of the vocal cords and larynx, unilateral, is a condition that affects voice production and speech. It can cause symptoms like hoarseness, weak voice, voice fatigue, and swallowing difficulties. Seeking medical attention and proper diagnosis is essential for managing this condition effectively.