Image-guided video assisted thoracoscopic surgery (iVATS) - phase I-II clinical trial
Ritu R Gill, Yifan Zheng, Julianne S Barlow, Jagadeesan Jayender, Erin E Girard, Philip M Hartigan, Lucian R Chirieac, Carol J Belle-King, Kristen Murray, Christopher Sears, Jon O Wee, Michael T Jaklitsch, Yolonda L Colson, Raphael Bueno, Ritu R Gill, Yifan Zheng, Julianne S Barlow, Jagadeesan Jayender, Erin E Girard, Philip M Hartigan, Lucian R Chirieac, Carol J Belle-King, Kristen Murray, Christopher Sears, Jon O Wee, Michael T Jaklitsch, Yolonda L Colson, Raphael Bueno
Abstract
Purpose: To facilitate localization and resection of small lung nodules, we developed a prospective clinical trial (ClinicalTrials.gov number NCT01847209) for a novel surgical approach which combines placement of fiducials using intra-operative C-arm computed tomography (CT) guidance with standard thoracoscopic resection technique using image-guided video-assisted thoracoscopic surgery (iVATS).
Methods: Pretrial training was performed in a porcine model using C-arm CT and needle guidance software. Methodology and workflow for iVATS was developed, and a multi-modality team was trained. A prospective phase I-II clinical trial was initiated with the goal of recruiting eligible patients with small peripheral pulmonary nodules. Intra-operative C-arm CT scan was utilized for guidance of percutaneous marking with two T-bars (Kimberly-Clark, Roswell, GA) followed by VATS resection of the tumor.
Results: Twenty-five patients were enrolled; 23 underwent iVATS, one withdrew, and one lesion resolved. Size of lesions were: 0.6-1.8 cm, mean = 1.3 ± 0.38 cm.. All 23 patients underwent complete resection of their lesions. CT imaging of the resected specimens confirmed the removal of the T-bars and the nodule. Average and total procedure radiation dose was in the acceptable low range (median = 1501 μGy*m(2), range 665-16,326). There were no deaths, and all patients were discharged from the hospital (median length of stay = 4 days, range 2-12). Three patients had postoperative complications: one prolonged air-leak, one pneumonia, and one ileus.
Conclusions: A successful and safe step-wise process has been established for iVATS, combining intra-operative C-arm CT scanning and thoracoscopic surgery in a hybrid operating room.
Keywords: C-arm CT; VATS; advanced image guided operating room; fiducials; hybrid operating room; lung cancer.
© 2015 Wiley Periodicals, Inc.
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Source: PubMed