Jennifer L Wilson1, Brian E Louie2, Robert J Cerfolio3, Bernard J Park4, Eric Vallières1, Ralph W Aye1, Ahmed Abdel-Razek4, Ayesha Bryant3, Alexander S Farivar1. 1. Division of Thoracic Surgery, Swedish Cancer Institute and Medical Center, Seattle, Washington. 2. Division of Thoracic Surgery, Swedish Cancer Institute and Medical Center, Seattle, Washington. Electronic address: brian.louie@swedish.org. 3. Division of Thoracic Surgery, University of Alabama Birmingham, Birmingham, Alabama. 4. Division of Thoracic Surgery, Hackensack University Medical Center, Hackensack, New Jersey.
Abstract
BACKGROUND: Pathologic nodal upstaging can be considered a surrogate for completeness of nodal evaluation and quality of surgery. We sought to determine the rate of nodal upstaging and disease-free and overall survival with a robotic approach in clinical stage I NSCLC. METHODS: We retrospectively reviewed patients with clinical stage I NSCLC after robotic lobectomy or segmentectomy at three centers from 2009 to 2012. Data were collected primarily based on Society of Thoracic Surgeons database elements. RESULTS: Robotic anatomic lung resection was performed in 302 patients. The majority were right sided (192; 63.6%) and of the upper lobe (192; 63.6%). Most were clinical stage IA (237; 78.5%). Pathologic nodal upstaging occurred in 33 patients (10.9% [pN1 20, 6.6%; pN2 13, 4.3%]). Hilar (pN1) upstaging occurred in 3.5%, 8.6%, and 10.8%, respectively, for cT1a, cT1b, and cT2a tumors. Comparatively, historic hilar upstage rates of video-assisted thoracoscopic surgery (VATS) versus thoracotomy for cT1a, cT1b, and cT2a were 5.2%, 7.1%, and 5.7%, versus 7.4%, 8.8%, and 11.5%, respectively. Median follow-up was 12.3 months (range, 0 to 49). Forty patients (13.2%) had disease recurrence (local 11, 3.6%; regional 7, 2.3%; distant 22, 7.3%). The 2-year overall survival was 87.6%, and the disease-free survival was 70.2%. CONCLUSIONS: The rate of nodal upstaging for robotic resection appears to be superior to VATS and similar to thoracotomy data when analyzed by clinical T stage. Both disease-free and overall survival were comparable to recent VATS and thoracotomy data. A larger series of matched open, VATS and robotic approaches is necessary.
BACKGROUND: Pathologic nodal upstaging can be considered a surrogate for completeness of nodal evaluation and quality of surgery. We sought to determine the rate of nodal upstaging and disease-free and overall survival with a robotic approach in clinical stage I NSCLC. METHODS: We retrospectively reviewed patients with clinical stage I NSCLC after robotic lobectomy or segmentectomy at three centers from 2009 to 2012. Data were collected primarily based on Society of Thoracic Surgeons database elements. RESULTS: Robotic anatomic lung resection was performed in 302 patients. The majority were right sided (192; 63.6%) and of the upper lobe (192; 63.6%). Most were clinical stage IA (237; 78.5%). Pathologic nodal upstaging occurred in 33 patients (10.9% [pN1 20, 6.6%; pN2 13, 4.3%]). Hilar (pN1) upstaging occurred in 3.5%, 8.6%, and 10.8%, respectively, for cT1a, cT1b, and cT2a tumors. Comparatively, historic hilar upstage rates of video-assisted thoracoscopic surgery (VATS) versus thoracotomy for cT1a, cT1b, and cT2a were 5.2%, 7.1%, and 5.7%, versus 7.4%, 8.8%, and 11.5%, respectively. Median follow-up was 12.3 months (range, 0 to 49). Forty patients (13.2%) had disease recurrence (local 11, 3.6%; regional 7, 2.3%; distant 22, 7.3%). The 2-year overall survival was 87.6%, and the disease-free survival was 70.2%. CONCLUSIONS: The rate of nodal upstaging for robotic resection appears to be superior to VATS and similar to thoracotomy data when analyzed by clinical T stage. Both disease-free and overall survival were comparable to recent VATS and thoracotomy data. A larger series of matched open, VATS and robotic approaches is necessary.
Authors: Mark W Hennon; Luke H DeGraaff; Adrienne Groman; Todd L Demmy; Sai Yendamuri Journal: Eur J Cardiothorac Surg Date: 2020-05-01 Impact factor: 4.191
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