Abstract
This study investigated recurrence rates and treatment efficacy based on tomographic findings during a long-term follow-up after primary spontaneous pneumothorax (PSP) treatment. We retrospectively analyzed patients with PSP treated at our hospital between 2003 and 2020. Patients were categorized into 2 groups based on computed tomography (CT) findings: group 1 (no bulla/bleb) and group 2 (bullae-bleb <3 cm). Data on demographics, recurrence, treatment methods, and outcomes were also collected and compared. A total of 251 PSP cases were evaluated, predominantly male (93.6%) with a mean age of 29.23 ± 1.14 years. Most cases (57%) occurred on the right side. Recurrence rates were highest within the first year (77.8%), with the first and second recurrences occurring at rates of 26% and 27.3%, respectively. In group 1 (n = 117), conservative treatment was applied in 15 cases, tube thoracostomy in 81, autologous blood pleurodesis (ABP) in 19, and surgery in 12. Recurrence rates were 46.6%, 21%, 5.3%, and 8.3%, respectively. In group 2 (n = 134), the recurrence rates were 50%, 32.7%, 20%, and 3.1%, respectively (P < .001). No mortality was observed for any patient. The treatment groups included conservative (n = 19), thoracostomy (n = 179), ABP (n = 34), and surgical (n = 44) groups. Recurrence rates were 47.3%, 27.4%, 11.8% (group 1: 5.3%, group 2: 20%, P = .035), and 4.5% (0% vs 6.3%), respectively. ABP effectively reduced recurrence in group 1 PSP patients without bullae or blebs on CT, potentially avoiding surgery. Video-assisted thoracoscopic surgery should be preferred in group 2 cases with bullae or blebs to minimize recurrence. These results underscore the importance of tailoring treatment strategies based on CT findings to optimize PSP management outcomes.
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