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To assess the association between primary spontaneous pneumothorax (PSP) recurrence and pulmonary CT scan findings, and other variables pertaining to clinical presentation and management.

Consecutive patients hospitalized for the first episode of PSP and treated by various strategies including chest tube or pleurocatheter drainage and, in persistent pneumothorax, by chemical or surgical pleurodesis. All patients had a pulmonary CT scan examination in the week following hospital discharge in order to calculate a score combining distribution, number and size of dystrophic pulmonary abnormalities. This score as well as other pertinent clinical and therapeutic parameters were compared between patients who ultimately experienced PSP recurrence and those who did not.

Eighty patients (mean age: 27±7yr) were admitted for PSP and had a chest drainage with either a …