What is the optimal management of spontaneous pneumomediastinum (SPM) and is there a risk of esophageal perforation in patients with SPM? We performed a retrospective case-control study of children through age 21, diagnosed with SPM in one hospital system over 10 years with the primary aim of describing the diagnostic workup, treatment patterns, and clinical outcomes. We hypothesized that SPM is a self-limited disease and is not associated with esophageal injury. Cases were identified using International Classification of Disease codes and excluded for trauma or severe infections. Median age was 16 years, 66% were male ( = 179). Chest radiography was performed in 97%, chest computed tomography (CT) in 33%, and esophagrams in 26%. Follow-up imaging showed resolution in 83% (mean = 17.2 days). SPM was not associated with esophageal perforation. We recommend avoiding CT scans and esophagrams unless there is discrete esophageal concern. Management of SPM should be guided by symptomatology.
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