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Tracheomalacia - congenital


Definition:

Congenital tracheomalacia is a weakness and floppiness of the walls of the windpipe (trachea). Congenital means it is present at birth.

Alternative Names:

Type 1 tracheomalacia

Causes:

Tracheomalacia in a newborn occurs when the cartilage in the windpipe has not developed properly. Instead of being rigid, the walls of the trachea are floppy. Because the windpipe is the main airway, breathing difficulties begin soon after birth.

Congenital tracheomalacia is very uncommon.

Symptoms:

Symptoms can range from mild to severe, and may include:

  • Breathing noises that may change with position and improve during sleep
  • Breathing problems that get worse with coughing, crying, feeding, or upper respiratory infections (such as cold)
  • High-pitched breathing
  • Rattling or noisy breaths
Exams and Tests:

A physical examination confirms the symptoms. A chest x-ray will be done to rule out other problems. The x-ray may show narrowing of the trachea when breathing in.

A procedure called a larngoscopy provides the most reliable diagnosis. In this procedure, an otolaryngologist (ear, nose, and throat doctor, or ENT) will look at the structure of the airway and determine how severe the problem is.

Other tests may include:

  • Airway fluoroscopy -- a kind of x-ray that shows the images on a screen
  • Barium swallow
  • Bronchoscopy -- camera down the throat to see the airways and lungs
  • CT scan
  • Lung function tests
  • Magnetic resonance imaging (MRI)
Treatment:

Most infants respond well to humidified air, careful feedings, and antibiotics for infections. Babies with tracheomalacia must be closely monitored when they have respiratory infections.

Often, the symptoms of tracheomalacia improve as the infant grows.

Rarely, surgery is needed.

Outlook (Prognosis):

Congenital tracheomalacia generally goes away on its own by the age of 18 to 24 months. As the cartilage gets stronger and the trachea grows, the noisy and difficult breathing slowly improves. People with tracheomalacia must be monitored closely when they have respiratory infections.

Possible Complications:

Babies born with tracheomalacia may have other congenital abnormalities, such as heart defects, developmental delay, or gastroesophageal reflux.

Aspiration pneumonia can occur from inhaling food into the lungs or windpipe.

When to Contact a Medical Professional:

Call your health care provider if your child has breathing difficulties or noisy breathing. Tracheomalacia can become an urgent or emergency condition.

References:

Finder JD. Bronchomalacia and Tracheomalacia. In: Kliegman, RM, Behrman RE, St. Geme III JW, Schor NF, Stanton BF, eds. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, PA: Elsevier Saunders; 2011:chap 381.

Nelson M, Green G, Ohye RG. Pediatric tracheal anomalies. In: Flint PW, Haughey BH, Lund V, et al, eds. Cummings Otolaryngology: Head & Neck Surgery. 6th ed. Philadelphia, PA: Elsevier Saunders; 2015:chap 206.


Review Date: 4/21/2015
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 2002 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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