ArticleBMC cancer2025
Short-term outcomes of laparoscopic D2 lymphadenectomy versus D2 lymphadenectomy plus complete mesogastric excision in distal gastric cancer patients with high body mass index.
Article in BMC cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 2 papers.
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2 citing papers in PubMed.
- Mesenteric-guided approach to pyloric lymphadenectomy in laparoscopic radical gastrectomy.World journal of gastrointestinal surgery · 2025Article
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- Erratum issued
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Abstract
backgroundThe technical challenges and safety issues involving laparoscopic D2 lymphadenectomy plus complete mesogastric excision (D2 + CME) for high body mass index (BMI) patients are still unknown. This study was conducted to compare the short-term outcomes of laparoscopic D2 + CME and D2 lymphadenectomy in distal gastric cancer patients of different BMI status.
methodsWe retrospectively analyzed the data of patients with gastric cancer who underwent laparoscopic-assisted distal gastrectomy (LADG) at our center between 2019 June and 2023 September. Patients who underwent traditional laparoscopic D2 lymphadenectomy were divided into the D2 group, while patients undergoing laparoscopic D2 + CME were divided into the D2 + CME group. In each group, patients were further subdivided based on their BMI into the high BMI group (H-BMI, BMI ≥ 25) and normal BMI (N-BMI, BMI<25) group. A comparison was made between the characteristics of patients and their short-term outcomes in the two subgroups, respectively. Propensity score matching (PSM) at 1:1 ratio was performed to further assess the short-term outcomes of patients with high BMI in two groups.
resultsAII the qualified patients were divided into the D2 group (n = 329) and D2 + CME group (n = 261). In the subgroup analysis of early surgical outcomes of the D2 group, the high BMI subgroup had longer surgery time (p = 0.007), more blood loss (p = 0.006) and longer time to first flatus (p = 0.001), compared to the normal BMI subgroup. Conversely, in the D2 + CME group, significant differences were not observed in early surgical outcomes between the two subgroups(p > 0.05). PSM yielded 44 high BMI patients with comparable baseline characteristics into the A group and the B group. Compared to the A group, patients with high BMI in the B group who received laparoscopic D2 + CME had shorter surgery time(p<0.001), less blood loss(p = 0.004), more retrieved lymph nodes (LNs) (p = 0.016). No statistical differences were observed in terms of the first flatus time, pT stage, pN stage, pathological stage(pStage), vascular invasion, postoperative complications, or postoperative hospital stay(p > 0.05).
conclusionOur findings suggest the high BMI status had a significant impact on the early surgical results of laparoscopic conventional D2 lymphadenectomy. However, laparoscopic D2 + CME was unaffected by a high BMI. In addition, patients with high BMI benefit more from laparoscopic D2 + CME in terms of short-term outcomes. Laparoscopic D2 + CME is a recommended technique for distal gastric cancer patients with high BMI, which deserves further study and promotion.
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