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KMID : 1035920180210030112
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Journal of Minimally Invasive Surgery
2018 Volume.21 No. 3 p.112 ~ p.117
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The da Vinci Xi System in Robotic Gastric Cancer Surgery: A Comparison with the S System
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Jeon Chul-Hyo
Seo Ho-Seok
Jung Yoon-Ju
Park Cho-Hyun
Song Kyo-Young
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Abstract
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Purpose: The next-generation da Vinci system, the Xi, was introduced in 2015. Its benefits for patients with gastric cancer have not yet been clearly identified.
Methods: A total of 47 patients who had undergone robot-assisted gastrectomy (RAG) for gastric cancer were analyzed retrospectively. Twenty-six (26) patients had undergone RAG by da Vinci S, and the remaining 21 by da Vinci Xi. These two groups’ clinicopathological characteristics, operative details, and short-term postoperative outcomes were compared.
Results: The median docking time was significantly shorter in the Xi group (5.0 vs. 3.0 min, respectively, p=0.020). Despite the significantly higher rate of the D2 lymph node dissection in the Xi group (76.2 vs. 34.6%, respectively, p=0.011), the median console time showed no significant difference (57.5 vs. 56.0 min, respectively, p=0.404). None of the other operative details or oncologic results showed any significant differences.
Conclusion: Although the enhanced anatomical access system of the Xi system, clinical outcomes did not be improved, except reducing docking time. Further investigations which can improve clinical outcomes are needed.
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KEYWORD
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Gastrectomy, Stomach neoplasms, Robotic surgical procedures
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