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Updated: Jun 6, 2026
Single Incision Plus One Port Laparoscopic Proximal Gastrectomy with Double Channel Anastomosis for Gastric Cancer Treatment
Published on: December 27, 2024
Functional outcomes after extended surgery for gastric cancer
1Department of Surgery, Osaka National Hospital, Osaka, Japan. ykurokawa@gesurg.med.osaka-u.ac.jp
Background:
Extended gastrectomy with para-aortic nodal dissection (PAND) or thorough dissection of mediastinal nodes using a left thoracoabdominal (LTA) approach is an alternative to D2 lymphadenectomy, with variable postoperative results.
Methods:
Two randomized controlled trials have been conducted to compare D2 lymphadenectomy alone (263 patients) versus D2 lymphadenectomy plus PAND (260), and the abdominal-transhiatal (TH) approach (82) versus the LTA approach (85), in patients with gastric cancer. Prospectively registered secondary endpoints bodyweight, symptom scores and respiratory function were evaluated in the present study.
Results:
Bodyweight was comparable after D2 and D2 plus PAND, but higher after TH than after LTA procedures at 1 and 3 years. At 1- and 3-year follow-up symptom scores were comparable between D2 and D2 plus PAND. A LTA approach resulted in significantly worse scores than a TH approach in terms of meal volume, return to work, incisional pain and dyspnoea up to 1 year. The decrease in vital capacity was significantly greater after LTA than TH procedures up to 6 months.
Conclusion:
Bodyweight and postoperative symptoms were not affected by adding PAND to a D2 procedure. A LTA approach aggravated weight loss, symptoms and respiratory functions compared with a TH approach.
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