Laryngeal stridor definition
What is laryngeal stridor?
Laryngeal stridor is an abnormal high-pitched noisy sound, occurring during inhalation or exhalation of breath, caused by the incomplete obstruction in the throat. The laryngeal stridor sound is usually heard during inspiratory phase, also called inspiratory stridor, and may accompanied by inspiratory difficulty in breathing.
Laryngeal stridor causes
When you have laryngeal obstruction, you often have symptoms such as inspiratory difficulty in breathing, inspiratory laryngeal stridor, hoarseness, and cyanosis.
Many causes can result in laryngeal obstruction, as follows:
- Children with acute laryngitis, acute laryngotracheal bronchitis, throat, diphtheria, throat abscess.
- Throat trauma, poison gas, superheated steam.
- Laryngeal edema (caused by angioneurotic, drug allergy, heart and kidney disease).
- Throat cancer, throat tumors, thyroid tumors.
- Congenital laryngeal diseases (Congenital laryngeal stridor, laryngostenosis, laryngeal cartilage defects).
- Vocal cord paralysis.
Congenital laryngeal stridor
Laryngeal stridor may be congenital, called laryngomalacia. It often starts
at 1 to 2 months after the birth of the baby. This is an inspiratory laryngeal
stridor, may be associated with inspiratory dyspnea.
Congenital laryngeal stridor attack form:
- Often sustained,
- Or, intermittently aggravated,
- In some cases, laryngeal stridor is not obvious, but immediately attacks if there is stimulus.
- Laryngeal stridor severe in the supine position, mild in the prone position and lateral position.
- In addition, no hoarse cries, the body in good condition in most children.
With age, the laryngeal cartilage gradually develop to normal. Well, laryngeal stridor will gradually disappear automatically. In general, laryngeal stridor can be self-healing in children in 2 to 3 years old. If children with severe symptoms of laryngeal stridor, should seek immediate medical attention.
With the growth of the throat cancer, the glottis will be blocked and therefore laryngeal stridor and breathing difficulties occur. In severe cases, the patients have other symptoms of laryngeal obstruction, such as suffocation.