Laryngomalacia is a chronic condition associated with abnormal development of the cartilages of the larynx in newborns and young children. In this condition, the soft cartilages of the larynx do not become rigid enough, causing them to narrow or block the airway during inhalation. Laryngomalacia is one of the most common causes of wheezing in infants, especially in the first months of life. Although the diagnosis is usually not a cause for serious concern, the condition requires observation and, in some cases, specialized treatment, as it usually resolves on its own with age.
History of the disease and interesting historical facts
The history of laryngomalacia research is remarkable in its progression from the first descriptions to the modern understanding of its pathophysiology. The first mentions of conditions similar to laryngomalacia were recorded in the medical literature of the 19th century. In 1947, the French otolaryngologist F. Dühring presented the first detailed description of this condition, noting its association with acute respiratory diseases. Since then, laryngomalacia has become the subject of numerous studies, which have found that it is often associated with other developmental anomalies, such as cleft lip and palate. The scientific community continues to study the mechanisms of pathogenesis, which allows us to improve the methods of diagnosis and treatment of this disease.
Epidemiology
Laryngomalacia is a fairly common condition, with an incidence of up to 1% of all newborns. According to recent statistics, the incidence is observed in 60-75% premature infants. Since this pathology is most often diagnosed in the first months of life, the incidence in infants is approximately 3-5 cases per 1000 live births. It is important to note that laryngomalacia is more common in boys, which may be due to differences in the anatomy and functioning of the respiratory system between the sexes. In most cases, the condition resolves by two years of age, making it a temporary but important problem.
Genetic predisposition to this disease
Modern research suggests that laryngomalacia may have a genetic predisposition. There are opinions that certain gene mutations may contribute to abnormal development of the laryngeal cartilage. The genes most actively studied are those responsible for collagen metabolism and muscle, such as COL2A1, COL11A1, and MYH3. This confirms the possibility of hereditary factors influencing the development of laryngomalacia. Some studies indicate a link with other genetic syndromes, demonstrating that patients with Down syndrome or cerebral palsy have an increased risk of developing this condition.
Risk factors for the development of this disease
Risk factors leading to the development of laryngomalacia can be divided into physical and chemical, and other possible aspects can also be taken into account.
- Prematurity is the main physical factor, since the easy development of the respiratory organs increases the chance of dysfunctions.
- Low birth weight is another physical factor that has been associated with abnormal cartilage development until now.
- Maternal smoking during pregnancy is a well-studied chemical that can negatively affect fetal development.
- Environmental factors such as air pollution and exposure to toxic substances are also considered as potential risks.
- Anatomical abnormalities of the upper respiratory tract - abnormal development of structures can also contribute to the development of this disease.
Diagnosis of this disease
Diagnosis of laryngomalacia involves history taking and physical examination. The main symptoms to look for include wheezing, especially when inhaling, difficulty breathing, and worsening respiratory distress when lying down.
Laboratory tests are generally not needed for diagnosis but may be done to rule out infections or other conditions. Radiologic tests, such as neck x-rays or bronchoscopy, may be useful to visualize the structure of the larynx and determine the extent of pathology.
An important aspect is differential diagnosis. Laryngomalacia may be confused with other pathologies such as airway obstruction, laryngitis or tracheomalacia. In such cases, the physician must carefully evaluate the clinical picture and examination results to make an accurate diagnosis.
Treatment
Treatment of laryngomalacia depends on the severity of the condition and includes several approaches. In most cases, the disease resolves on its own without the need for medical intervention. However, patient monitoring is mandatory.
In mild cases, when the symptoms are insignificant, observation and monitoring of the child’s condition is sufficient.
Pharmacological treatment may include anti-inflammatory drugs, such as nonsteroidal anti-inflammatory drugs, to reduce inflammation of the larynx.
Surgical treatment is considered in cases of severe symptoms that interfere with normal breathing. The main operation performed in such cases is laryngoscopic reconstruction, which allows changing the anatomy of the larynx.
In addition, it is worth considering other treatments, such as physical therapy and rehabilitation procedures, which may help in managing symptoms.
List of medications used to treat this disease
- Ibuprofen - to reduce pain and inflammation
- Paracetamol - to reduce fever and relieve discomfort
- Corticosteroids - in cases of severe inflammatory reaction
- Antihistamines - if an allergic reaction occurs
Disease monitoring
Monitoring of the patient's condition includes regular consultations with an otolaryngologist to assess the dynamics of the condition and identify possible complications. The prognosis, depending on the severity of the disease, is favorable in most cases - intuitively recovery with age. However, it is also necessary to consider possible complications, such as respiratory failure or recurring respiratory infections, if laryngomalacia has not resolved in time.
Age-related features of the disease
Laryngomalacia is common mainly in infants and young children. In newborns, the condition requires special attention, since at this age the child cannot explain his discomfort and symptoms of the disease. Over time, especially by the age of two, many children show significant improvement or complete disappearance of symptoms. In older children and adolescents, laryngomalacia is extremely rare and, as a rule, is associated with more complex cardiopulmonary pathology.
Questions and Answers
- What are the main symptoms of laryngomalacia? The main symptoms include wheezing, worse when inhaling, difficulty breathing, especially when lying down, and possible recurrent respiratory tract infections.
- Can laryngomalacia be prevented? There are no definitive preventive measures, but caring for the pregnant mother and avoiding smoking can reduce the risk.
- What is the prognosis for children with laryngomalacia? In most cases, the condition resolves on its own by age two years, and the prognosis is good.
- Do children with laryngomalacia need ongoing monitoring? Yes, regular monitoring is necessary to track changes in health status, especially in severe cases.
- What is the most effective treatment for laryngomalacia? Treatment depends on the severity of the symptoms, most often only observation is required, in rare cases surgical intervention may be required.
Dr. Oleg Korzhikov recommends closely monitoring the signs of laryngomalacia, especially in newborns, and not ignoring any sudden changes in breathing. If symptoms become severe or worsen significantly, you should consult a doctor. The health of the child is the first thing that all parents should take care of. Seek help early to avoid possible complications.
