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  • Title: Computed tomography-guided patent blue vital dye localization of pulmonary nodules in uniportal thoracoscopy.
    Author: Lin MW, Tseng YH, Lee YF, Hsieh MS, Ko WC, Chen JY, Hsu HH, Chang YC, Chen JS.
    Journal: J Thorac Cardiovasc Surg; 2016 Aug; 152(2):535-544.e2. PubMed ID: 27189890.
    Abstract:
    OBJECTIVE: Due to the limitations of the small single incision, an ideal preoperative localization technique is essential for surgical resection of small pulmonary nodules by uniportal video-assisted thoracoscopic surgery (VATS). The aim of this study is to evaluate the usefulness and safety of preoperative computed tomography (CT)-guided patent blue vital (PBV) dye localization in patients with small indeterminate pulmonary nodules who have undergone uniportal VATS for lung resection. METHODS: In this retrospective study, 177 consecutive patients (196 pulmonary nodules) who underwent preoperative CT-guided PBV dye localization and uniportal VATS from January 2013 to September 2015 were enrolled. RESULTS: The CT-dye localization procedure was performed successfully and correctly for 99.5% (195/196) of the nodules within a mean procedure time of 30 minutes. The mean size of the nodules was 7.8 mm, and their mean depth from the pleural surface was 18.3 mm. Most of the nodules (78.6%, 154/196) were pure ground-glass nodules (GGNs) and part-solid GGN with ground-glass opacity (GGO) of 50% or more. Asymptomatic pneumothorax occurred in 29.4% (52/177) of patients after the localization procedure, but none required invasive treatment. All nodules were successfully resected using uniportal VATS without any conversion to thoracotomy. The postoperative course was smooth, with a short mean hospital stay (3.3 ± 1.2 days) and a low morbidity rate (0.6%, 1/177). CONCLUSIONS: Preoperative CT-guided PBV dye localization is a feasible, safe, and accurate procedure. It makes uniportal VATS easy for small, poorly located pulmonary nodules with GGO predominance and synchronous multiple nodules.
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