Related Experiment Video
Updated: Feb 10, 2026

Employing Aeroponic Systems for the Clonal Propagation of Cannabis
Published on: December 1, 2021
[Pneumothorax in young cannabis smokers: A propos of three cases]
M-L Chardon1, J-C Dalphin2, B Degano3
1Service de pneumologie, CHI Vesoul, 2, rue René-Heymes, 70000 Vesoul, France; Département des maladies respiratoires, centre hospitalier régional universitaire, 3, boulevard Alexandre-Fleming, 25030 Besançon, France.
Introduction:
Cannabis consumption is common among adolescents and young adults in France. In addition to its neurological effect, cannabis smoking can induce severe pulmonary emphysema, even in young patients. When a spontaneous pneumothorax occurs in a cannabis smoker, the possibility of a secondary spontaneous pneumothorax should be considered. This may be of importance as management of secondary spontaneous pneumothorax may differ from the well-codified handling of primary spontaneous pneumothorax.
Observation:
Clinical and radiological data from three young cannabis-using patients with spontaneous pneumothorax were collected. Given the presence of emphysema, they were all considered secondary spontaneous pneumothorax. Two patients underwent surgical treatment, with simple postoperative follow-up in one case and prolonged air leak in the other case. The management of the third patient, exclusively medical, was prolonged and complicated.
Conclusion:
The presence of emphysema in young cannabis smokers complicates the management of spontaneous pneumothorax. In this context, a first-line surgical intervention may be an option to be considered.
Related Concept Videos
Pneumothorax-I
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
Pneumothorax-II
Clinical Manifestations:

