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Should total omentectomy be performed for advanced gastric cancer?: The role of omentectomy during laparoscopic gastrectomy for advanced gastric cancer
Authors
Sang-Hoon Ahn
So Hyun Kang
+5 more
Hyung-Ho Kim
Sangjun Lee
Young Suk Park
Yun-Suhk Suh
Yongjoon Won
Publication date
1 January 2022
Publisher
Springer Verlag
Abstract
© 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.Background: In the era of minimally invasive surgery, laparoscopic partial omentectomy (LPO) has seen widespread use as a curative surgical procedure for early gastric cancer. However, scientific evidence of the extent of omentectomy during laparoscopic gastrectomy remains unclear for advanced gastric cancer (AGC). Methods: We analyzed 666 eligible patients who underwent laparoscopic gastrectomy for AGC with curative intent between 2014 and 2018. Surgical outcome and postoperative prognosis were compared between LPO and laparoscopic total omentectomy (LTO) groups after 2:1 propensity score matching with age, sex, body mass index, tumor size, pT stage, pN stage, gastrectomy type, and clinical T stage as covariates. Results: After extensive matching, there was no significant difference in pathologic or clinical stages between the LPO (n = 254) and LTO (n = 177) groups. LPO provided a significantly shorter operation time than LTO (199.2 ± 64.8 vs. 248.1 ± 68.3 min, P < 0.001). Pulmonary complication within postoperative 30 days was significantly lower in the LPO group (4.4 vs. 10.3%, P = 0.018). In multivariate analysis, LTO was the independent risk factor for pulmonary complication (odds ratio [OR] 2.53, 95% confidence interval [95% CI] 1.12–5.73, P = 0.025), which became more obvious in patients with a Charlson’s comorbidity index of 4 or higher (OR 27.43, 95% CI 1.35–558.34, P = 0.031). The 5-year overall survival rate (OS) and 3-year recurrence-free survival (RFS) rates were not significantly different between the two groups, even after stage stratification. Conclusion: LPO provided significantly shorter operation time and less pulmonary complication than LTO without compromising 5-year OS and 3-year RFS for AGC. LTO was the independent risk factor for pulmonary complications, which became more evident in patients with severe comorbidities.N
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Last time updated on 06/07/2022