专题:Pneumothorax, Barotrauma, Emphysema
This cluster of papers focuses on the occurrence, diagnosis, and management of spontaneous pneumomediastinum, particularly in the context of COVID-19. It covers related complications such as pneumothorax, subcutaneous emphysema, and barotrauma, as well as the Macklin effect. The papers also discuss the impact of COVID-19 on the incidence and clinical characteristics of pneumomediastinum.