• Frank O Velez-Cubian, Emily P Ng, Jacques P Fontaine, and Eric M Toloza.
• Department of Thoracic Oncology, Moffitt Cancer Center, Tampa, FL 33612, USA. Eric.Toloza@Moffitt.org.
• Cancer Control. 2015 Jul 1; 22 (3): 314-25.

BackgroundDespite initial concerns about the general safety of videothoracoscopic surgery, minimally invasive videothoracoscopic surgical procedures have advantages over traditional open thoracic surgery via thoracotomy. Robotic-assisted minimally invasive surgery has expanded to almost every surgical specialty, including thoracic surgery. Adding a robotic-assisted surgical system to a videothoracoscopic surgical procedure corrects several shortcomings of videothoracoscopic surgical cameras and instruments.MethodsWe performed a literature search on robotic-assisted pulmonary resections and compared the published robotic series data with our experience at the H. Lee Moffitt Cancer Center & Research Institute. All perioperative outcomes, such as intraoperative data, postoperative complications, chest tube duration, hospital length of stay (LOS), and in-hospital mortality rates were noted.ResultsOur literature search found 23 series from multiple surgical centers. We divided the literature into 2 groups based on the year published (2005-2010 and 2011-2014). Operative times from earlier studies ranged from 150 to 240 minutes compared with 90 to 242 minutes for later studies. Conversion rates (to open lung resection) from the earlier studies ranged from 0% to 19% compared with 0% to 11% in the later studies. Mortality rates for the earlier studies ranged from 0% to 5% compared with 0% to 2% for the later studies. Since 2010, our group has performed more than 600 robotic-assisted thoracic surgical procedures, including more than 200 robotic-assisted pulmonary lobectomies, which we also divided into 2 groups. Our median skin-to-skin operative time improved from 179 minutes for our early group (n = 104) to 172 minutes for our later group (n = 104). The overall conversion rate was 9.6% and the emergent conversion rate (for bleeding) was 5% for our robotic-assisted lobectomies. The most common postoperative complications in our cohort were prolonged air leak (> 7 days; 16.8%) and atrial fibrillation (12%). Hospital LOS for the early series ranged from 3 to 11 days compared with 2 to 6 days for the later series. Median hospital LOS decreased from 6 to 4 days. Our mortality rate was 1.4%; 3 in-hospital deaths occurred in the early 40 cases. Mediastinal lymph node (LN) dissection and detection of occult mediastinal LN metastases were improved during robotic-assisted lobectomy for non-small-cell lung cancer, as demonstrated by an overall 30% upstaging rate, including a 19% nodal upstaging rate, in our cohort.ConclusionsRobotic-assisted videothoracoscopic pulmonary lobectomy appears to be as safe as conventional videothoracoscopic surgical lobectomy, which has decreased perioperative complications and a shorter hospital LOS than open lobectomy. Both mediastinal LN dissection and the early detection of occult mediastinal LN metastatic disease were improved by robotic-assisted videothoracoscopic surgical compared with conventional videothoracoscopic surgical or open thoracotomy.

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