Journal
TRANSLATIONAL LUNG CANCER RESEARCH
Volume -, Issue -, Pages -Publisher
AME PUBLISHING COMPANY
DOI: 10.21037/tlcr-23-201
Keywords
Small pulmonary nodules; intraoperative localization; augmented reality
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This study aimed to evaluate the safety and feasibility of a newly developed augmented reality navigation technology for intraoperative localization of small pulmonary nodules. The augmented reality system successfully guided the localization procedure in 70% of cases, with an average localization time of 9.4 minutes and average operation time of 172.9 minutes. No complications were observed during the entire process.
Background: With the increasing number of small pulmonary nodules detected, effective localization of pulmonary nodules has become an issue. The goal of this study is to determine the safety and feasibility of a newly developed augmented reality navigation technology for intraoperative localization of small pulmonary nodules.Methods: We conducted a prospective single-center feasibility study of a novel augmented reality navigation system and lung localization (LungBrella) marker on ten patients between July and October 2020. For augmented reality navigation-guided localization, a preoperative chest computed tomography scan was performed to generate 3-dimensional (3D) virtual images and individualized localization plan, which were uploaded into Hololens (a head-mounted augmented reality device). Under the guidance of established procedure plan displayed by HoloLens, localization marker was placed in operating room. Segmentectomy or wedge resection was subsequently performed. The primary endpoint was the localization procedure success rate, and the secondary endpoints were localization time, operation time, and complications.Results: Localization was successful in seven of the ten procedures. Due to different reasons, failures were noted in three cases, after which immediate adjustments were made. In the successful cases, the LungBrella marker was positioned at a median of 5.8 mm (range, 0-10 mm) from the edge of the nodule. Median localization time was 9.4 min (range, 5-19 min), and median operation time was 172.9 min (range, 105-200 min). There were no complications during the entire process.Conclusions: This exploratory study suggests that augmented reality navigation-guided pulmonary nodule localization is a safe and feasible technique (ClinicalTrials.gov identifier, NCT04211051).
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