• Mehmet Değirmenci.
• Department of Thoracic Surgery, Kahramanmaraş Sütçü İmam University, School of Medicine, Kahramanmaraş-Türkiye.
• Ulus Travma Acil Cerrahi Derg. 2023 Aug 1; 29 (8): 909919909-919.

BackgroundPneumothorax in patients with underlying lung pathology is called secondary spontaneous pneumothorax (SSP). It is an important health problem worldwide, with significant morbidity, high health-care expenses, and possibility of mortality. This study aimed to evaluate the epidemiological characteristics, risk factors for mortality and morbidity, and treatment options of SSP.MethodsOutcomes of 133 patients with SSP were evaluated retrospectively. Patients with SP with evidence of underlying lung disease or a smoking history over 50 years of age were considered SSP. The patients were analyzed in terms of epidemiological fea-tures, underlying diseases, treatment methods, complications, and mortality. The treatment options included thoracotomy (T), video-assisted thoracoscopic surgery (VATS), tube thoracostomy, and conservative treatment.ResultsThe mean age was 50.50±20.374 years, and the age range was 16-95. Ninety-three (69.9%) of the patients were smokers. The most common clinical finding was dyspnea in 77 (57.9%) patients. The most common underlying disease was chronic obstructive pulmonary disease in 62 patients (46.6%). Six (4.5%) patients received conservative treatment, a chest tube was placed in 89 (66.9%) patients, and 38 (28.6%) patients were treated with surgery. As an operative procedure, lung wedge resection was performed in 24 (18.0%) patients and bulla resection was performed in 6 (4.5%) patients. Parietal pleurectomy was performed in 27 (20.3%) patients. Axillary mini-T or T was performed more frequently in large pneumothorax, smokers, and in obstructive pulmonary disease. Tube thoracostomy was used more frequently in poor physical performance, comorbidities, and infectious diseases. Complications were ob-served in 55 patients (41.4%). The most common complication was persistent air leakage in 18 (13.5%) patients. Complications were associated with large pneumothorax (P=0.003), poor physical performance (P=0.009), infectious diseases (P= 0.030), and occupational risk factors (P=0.032). Recurrence was developed in 12 (9.0%) patients. Postoperative recurrence was observed in 1 patient. Four (3%) patients died. Mortality was higher in patients with poor physical performance (P=0.027), comorbidities (P=0.008), and patients with complications (P=0.027). The length of stay in the hospital was high in mini-axillary T (AT)/T (P<0.001) and VATS (P<0.001). There was no significant relationship between the mini-AT/T and VATS in terms of length of hospital stay.ConclusionLarge pneumothorax, poor physical performance, and comorbidity are associated with morbidity and mortality. Conservative treatment for small pneumothorax and chest tube for large pneumothorax is the most appropriate initial treatment. Resection of the bullous region through VATS or mini-AT/T is the most appropriate surgical technique.

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