فهرست نشریات علمی دسترسی آزاد ایران

Background: Previous studies identifying risk factors for pneumothorax in percutaneous core needle lung biopsies reported inconsistent and contradictory results. Objectives: We aimed to identify independent risk factors for pneumothorax associated with computed tomography (CT)-guided percutaneous core needle lung biopsy (PCNB). Results: Pneumothorax occurred in 100 (16.9%) of 591 procedures. Based on univariate analyses, significant risk factors affecting the incidence of pneumothorax were patient gender (P = 0.039), lesion depth from the pleural surface (P < 0.001), fissure crossing by the needle (P = 0.002), and the presence of emphysema (P = 0.009). From the multivariate analysis, an increased rate of pneumothorax was strongly correlated with lesion depth from the pleural surface (odds ratio [OR], 1.71; 95% confidence interval [CI], 1.50 - 1.96; P < 0.001) and the presence of emphysema (OR, 2.95; 95% CI, 1.73 - 5.04; P < 0.001). Conclusion: Lesion depth from the pleural surface and the presence of emphysema were strongly correlated with the increasing incidence of pneumothorax after CT-guided PCNB. Our results may be applicable for the risk management of PCNBs to reduce pneumothorax as a complication.