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Erschienen in:
01.07.2012 | Original Article
Initial Experience of Robotic Gastrectomy and Comparison with Open and Laparoscopic Gastrectomy for Gastric Cancer
Erschienen in: Journal of Gastrointestinal Surgery | Ausgabe 7/2012
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Background
Robotic gastrectomy has become more popular in the treatment of gastric cancer, especially in Asian countries. Until now, few studies have compared robotic surgery with open or laparoscopic surgery for gastric cancer patients.
Methods
Data were prospectively collected between January 2006 and February 2012. A total of 689 patients underwent curative resection of adenocarcinoma of the stomach. Patients were separated into three groups according to the different surgical approaches used (586 open, 64 laparoscopic, and 39 robotic). The clinicopathological characteristics and surgical outcomes of the three groups were compared.
Results
The open group was associated with a larger tumor size, more D2 dissection, more advanced tumor stage, and more blood loss than the groups treated with laparoscopic and robotic methods. Robotic gastrectomy was associated with female predominance, less blood loss, shorter hospital stay, and longer operative time than open and laparoscopic gastrectomy. The retrieved lymph node numbers were similar between the open and robotic groups. Postoperative morbidity rates were similar among the three groups. In terms of the learning curve of robotic gastrectomy, operative time and docking time were significantly reduced in the recent robotic group (n = 14) compared to the initial robotic group (n = 25).
Conclusion
Robotic gastrectomy could achieve extended lymph node dissection similar to open surgery. Our results showed a significant learning curve effect in the initial 25 cases of the robotic group.