Table 1.
Summary of demographic data and clinical management in 14 patients with pneumomediastinum and marijuana use
| Demographics and risk factors | n (%)* |
| Age (years, SD) | 22.5 (3.3) |
| BMI (SD) | 25 (4.2) |
| Male | 9 (64.3) |
| Asthma exacerbation | 1 (7.1) |
| Vomiting | 8 (57.1) |
| Coughing | 6 (42.9) |
| URI symptoms | 4 (28.6) |
| Cocaine | 2 (14.3) |
| Opiates | 3 (21.4) |
| Tobacco | 2 (14.3) |
| One risk factor | 5 (35.7) |
| Two or more risk factors | 8 (57.1) |
| Frequency of marijuana use | |
| Daily or more | 7 (50.0) |
| Less than daily | 3 (21.4) |
| Use not quantified | 4 (28.6) |
| Documented smoking apparatus | 2 (14.3) |
| Documented temporal onset | 3 (21.4) |
| Presenting signs/symptoms | |
| Chest pain | 11 (78.6) |
| Dyspnoea | 8 (57.1) |
| Neck pain or odynophagia | 5 (35.7) |
| Palpable crepitus | 8 (57.1) |
| Clinical management | |
| Inpatient admission | 10 (71.4) |
| Tachypnoea >20 breaths per minute | 1 (7.1) |
| Tachycardia >100 bpm | 8 (57.1) |
| Oxygen requirement | 2 (14.3) |
| Chest X-ray | 14 (100.0) |
| Chest CT | 10 (71.4) |
| Swallow evaluation | 8 (57.1) |
| Antibiotics | 4 (28.6) |
| Counselling | 7 (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.