A Narrowing Diagnosis: A Rare Cause of Adult Croup and Literature Review

Table 1

Clinical characteristics of adult croup (15 cases).

Variable	Value
Age range (mean)	25–97 (54.6)
Prodromal symptoms	13/15 (87%)
Stridor	9/15 (60%)
Need for artificial airway	7/15 (47%)
Nebulized epinephrine	11/15 (73%)
Steroid administration	12/15 (80%)
Antibiotic administration	8/15 (53%)
Organisms identified	5/15 (33%)
Hospital days range (mean)	3–35 (9.1)
ICU admission	13/15 (87%)
Steeple sign	11/12 (92%)

Parainfluenza, Haemophilus, influenza, Streptococcus, respiratory syncytial virus.
Twelve cases reported chest radiograph findings.