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- W4313141385 abstract "<b>Background:</b> Lung cancer screening will increase the detection of solitary pulmonary nodules (SPN). Advanced bronchoscopic methods such as virtual bronchoscopy navigation (VBN) with augmented fused fluoroscopy (Archimedes<sup>TM</sup> System) may improve the diagnostic yield of small SPN. <b>Objective:</b> To analyse the feasibility of Archimedes<sup>TM</sup> interventions for the diagnosis of SPN. <b>Methods:</b> From 01/20 – 01/22 67 patients with SPN were examined with the Archimedes<sup>TM</sup> System. Navigation pathways were semi-automatically calculated using pre-interventional CT scan. SPN were targeted via the pathway of VBN with augmented fused fluoroscopy. Interventions were done in general anaesthesia with chest tube. <b>Results:</b> 67 Patients, 49% female, 66 years (±8) were analysed. The SPN-diameter measured 13.9mm (±6.1). Bronchus sign was seen in CT scan in 34%. The distance from the last reconstructed bronchus to the lesion and from the lesion to the pleura was 18.8mm (± 14.7) and 19.5mm (± 15.5) respectively. rEBUS reached the lesion in 61.2%. Time to location was 10min in mean. Tunnelling was performed in 19.4% of the cases. Mild bleeding occurred in 23.9%, pneumothorax requiring chest tube in 4.5%. In total sensitivity was calculated 56.5%, negative predictive value (NPV) 50% and the accuracy 69.7%. Factors increasing the diagnostic yield are identified as distance to the target <20mm in planning and reaching the virtual target in 2 or 3 planes in augmented fluoroscopy. <b>Conclusion:</b> A high diagnostic yield for small peripheral SPN can be achieved with Archimedes<sup>TM</sup> interventions. Distance to the target < 20mm has the highest impact on the diagnostic yield." @default.
- W4313141385 created "2023-01-06" @default.
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- W4313141385 date "2022-09-04" @default.
- W4313141385 modified "2023-10-01" @default.
- W4313141385 title "Diagnosing challenging pulmonary nodules with virtual bronchoscopic navigation and augmented fluoroscopy" @default.
- W4313141385 doi "https://doi.org/10.1183/13993003.congress-2022.3885" @default.
- W4313141385 hasPublicationYear "2022" @default.
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