We've seen a lot of recent updates about the management of primary spontaneous pneumothoraces. At the recent 2021 Pediatric Surgery Update Course, Dr. Ronnie Sullins, MD reviewed the latest literature regarding conservative management for primary spontaneous pneumothorax.

Articles discussed: "Changing the Paradigm for Management of Pediatric Primary SpontaneousPneumothorax: A Simple Aspiration Test Predicts Need for Operation" https://www.sciencedirect.com/science/article/pii/S0022346819306955

"Conservative versus Interventional Treatment for Spontaneous Pneumothorax" https://www.nejm.org/doi/full/10.1056/NEJMoa1910775