Table 1

Summary of demographic data and clinical management in 14 patients with pneumomediastinum and marijuana use

Demographics and risk factorsn (%)*
 Age (years, SD)22.5 (3.3)
 BMI (SD)25 (4.2)
 Male9 (64.3)
 Asthma exacerbation1 (7.1)
 Vomiting8 (57.1)
 Coughing6 (42.9)
 URI symptoms4 (28.6)
 Cocaine2 (14.3)
 Opiates3 (21.4)
 Tobacco2 (14.3)
 One risk factor5 (35.7)
 Two or more risk factors8 (57.1)
Frequency of marijuana use
 Daily or more7 (50.0)
 Less than daily3 (21.4)
 Use not quantified4 (28.6)
 Documented smoking apparatus2 (14.3)
 Documented temporal onset3 (21.4)
Presenting signs/symptoms
 Chest pain11 (78.6)
 Dyspnoea8 (57.1)
 Neck pain or odynophagia5 (35.7)
 Palpable crepitus8 (57.1)
Clinical management
 Inpatient admission10 (71.4)
 Tachypnoea >20 breaths per minute1 (7.1)
 Tachycardia >100 bpm8 (57.1)
 Oxygen requirement2 (14.3)
 Chest X-ray14 (100.0)
 Chest CT10 (71.4)
 Swallow evaluation8 (57.1)
 Antibiotics4 (28.6)
 Counselling7 (50.01)
 LOS (days, SD)2.2, 1.5
  • *n (%) unless otherwise noted.

  • BMI, body mass index; LOS, length of stay; URI, upper respiratory infection.