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Laryngomalacia

Aka: Laryngomalacia

Epidemiology
1. Most common cause of Stridor in infants
2. Onset of symptoms in first month of life
Signs
1. Inspiratory Stridor
2. Provocative factors (Increases Stridor)
  1. Crying
  2. Exertion
  3. Feeding
3. Palliative factors (Decreases Stridor)
  1. Prone position
4. Severe obstructive signs (rare)
  1. Failure to Thrive
  2. Apnea
  3. Cyanosis
Course
1. Self limited
2. Rarely progresses to severe obstruction
Management
1. Reassurance
2. Control Pediatric Gastroesophageal Reflux Disease
3. Epiglottoplasty for severe obstruction
  1. Rarely indicated
References
1. Nussbaum (1990) Chest 98:942-4

Laryngomalacia (C0264303)
Definition (MSH)	A congenital or acquired condition of underdeveloped or degeneration of CARTILAGE in the LARYNX. This results in a floppy laryngeal wall making patency difficult to maintain.
Concepts	Congenital Abnormality (T019)
MSH	D055092
SnomedCT	204541007, 38086007
English	LARYNGOMALACIA, laryngomalacia, laryngomalacia (diagnosis), Laryngomalacia, Larynx Chondromalacia, Larynx Chondromalacias, Chondromalacia of Larynx, Laryngomalacias, Laryngomalacia [Disease/Finding], Laryngomalacia (disorder)
Japanese	ｺｳﾄｳﾅﾝｶｼｮｳ, 喉頭軟化症, 喉頭軟骨軟化, 喉頭軟骨軟化症
Spanish	Laryngomalacia, Laringomalacia, Condromalacia de la Laringe, laringomalacia (trastorno), laringomalacia
Czech	Laryngomalacie, laryngomalacie
French	Chondromalacie du larynx, Laryngomalacie
Italian	Condromalacia della laringe, Laringomalacia
Russian	LARINGOMALIATSIIA, KHONDROMALIATSIIA GORTANI, ЛАРИНГОМАЛЯЦИЯ, ХОНДРОМАЛЯЦИЯ ГОРТАНИ
German	Chondromalazie, Kehlkopf, Laryngomalazie
Portuguese	Condromalácia da Laringe, Laringomalácia, Laringomalacia
Swedish	Laryngomalaci
Polish	Wiotkość krtani, Laryngomalacja
Hungarian	Laryngomalacia
Dutch	laryngomalacie
Sources	Derived from the NIH UMLS (Unified Medical Language System)