Abstract
Uniport robotic assisted thoracoscopic surgery (U-RATS) is a recently adopted approach in thoracic surgery and is assumed to require a learning curve for surgeons because of technical difficulties. We aimed to verify the feasibility and safety of solo surgery in U-RATS in an initial series of patients, comparing with initial series of uniport video-assisted thoracoscopic surgery (U-VATS). The surgical and post-operative outcomes of 25 U-RATS cases were compared with 25 U-VATS cases. The da Vinci Xi Surgical System was used for U-RATS procedure. In both groups, the skin incisions were 4cm in length, and a 30-degree camera was placed at the posterior and upper edges of the incision. Between June and December 2023, 25 patients with lung malignancies underwent anatomical pulmonary resection via U-RATS, including 13 lobectomies and 12 segmentectomies. Patient characteristics did not differ between the groups. The short-term outcomes were similar between the U-RATS and U-VATS groups, except for operation time (median: 214 vs. 157min, p = 0.0035). The pain scores on postoperative days 1 and 3 were significantly lower in patients who underwent U-RATS than in those who underwent U-VATS (median: 0 vs. 2, p = 0.010; median: 0 vs. 0, p = 0.027, respectively). The short-term outcomes are similar between the U-RATS and U-VATS groups, except for operation time. U-RATS is considered to be feasible and safe in the initial series of anatomical pulmonary resections performed by a surgeon who was under the learning curve.
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