Diagnostic value and safety of ultrathin bronchoscope and endobronchial ultrasonography with a guide sheath combined with rapid on-site evaluation system for peripheral pulmonary infectious diseases

BACKGROUND: The aim of this study was to investigate the diagnostic value and safety of ultrathin bronchoscope and endobronchial ultrasonography with a guide sheath (EBUS-GS) combined with rapid on-site evaluation (ROSE) system for peripheral pulmonary infectious diseases.METHODS: The clinical data of 196 patients visiting our hospital, who had peripheral pulmonary lesions (PPLs) indi-cated by spiral computed tomography (CT) of the chest and were finally diagnosed as infectious PPLs, were retrospec-tively collected. Then the patients were divided into ultrathin bronchoscope + ROSE group, EBUS-GS + ROSE group and ultrathin bronchoscope + EBUS-GS + ROSE group based on different diagnostic techniques. Moreover, the general conditions, diagnostic results and specific operation parameters of the patients were recorded, and the diagnostic rate, sensitivity and complications were compared.RESULTS: In ultrathin bronchoscope + EBUS-GS + ROSE group, the time of localizing lesions and operation time were the shortest, and the grade of bronchi reached by the bronchoscope was the highest. The differences were significant between any two groups (P<0.05). Patients with bacterial pneumonia, and patients with pulmonary tuberculosis and nontuberculous mycobacterial disease, ultrathin bronchoscope + EBUS-GS + ROSE group exhibited the highest definite diagnosis rate of bronchoscope and diagnostic sensitivity of ROSE system, with significant differences from those of the other two groups (P<0.05). The incidence rates of complications were low in all groups, and there were no significant differences between any two groups (P>0.05).CONCLUSIONS: Ultrathin bronchoscope and EBUS-GS combined with ROSE system can prominently decrease the time of localizing lesions and operation time, remarkably improve the diagnostic accuracy and sensitivity and result in fewer complications.