Operative and Oncological Outcomes After D2 Versus D1 Gastrectomy of Operable Gastric Cancer: an Observational Study
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ORIGINAL RESEARCH
Operative and Oncological Outcomes After D2 Versus D1 Gastrectomy of Operable Gastric Cancer: an Observational Study Mohamed M. Elmessiry 1
&
Tarek A. El-Fayoumi 1 & Haytham M. Fayed 1 & Ahmed A. Gebaly 1 & Eman A. E. Mohamed 2
Accepted: 2 November 2020 # Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Background The optimal surgery for operable gastric carcinoma is still controversial. The aim of the current study was to assess the outcomes of D2 compared with D1 gastrectomy. Study This observational study included 80 patients with operable gastric cancer treated by D2 gastrectomy at Alexandria University Hospital between January 2010 and January 2016. Another 68 patients treated by D1 gastrectomy during the same period were included. Both groups were compared regarding operative mortality, morbidities, tumor recurrence, and 5-year survival rates. Results D2 gastrectomy had a significantly higher postoperative mortality and morbidity rates compared with D1 group (19.4% and 41.9% versus 6.3% and 18.8%). Mean number of LNs retrieved was statistically increased in D2 compared with D1 group with more frequency of adequate lymphadenectomy (LN retrieved > 15). D2 gastrectomy demonstrated significant lower recurrence and cancer-specific mortality rates compared with D1 group (18.6% and 14.5% versus 34.9% and 30.8%) with no significant difference in DFS and OS rates. Spleen-saving D2 gastrectomy showed no significant difference in early postoperative mortality with significant increase in DFS and OS compared with D1 gastrectomy (78.7% and 82% versus 61.5% and 64.6%). Conclusions D2 gastrectomy had a lower recurrence and cancer-specific mortality rates than D1 gastrectomy but it had higher postoperative mortality and morbidity rates that resulted in no overall survival benefit of D2 compared with D1 gastrectomy. Spleen-saving D2 gastrectomy can be done safely in selected patients by expert surgeons without increased morbidity and mortality and better survival outcomes. Keywords Operable gastric cancer . D1 gastrectomy . D2 gastrectomy . Operative and oncological outcomes
Introduction Gastric carcinoma is the second most common cause of cancer-related deaths, and its main treatment is surgery but the optimal surgical resection is controversial [1]. Previous western studies showed higher operative mortality and morbidity after D2 gastrectomy with no survival advantage over D1 resection [2–4]. However, eastern studies demonstrated better survival outcomes after D2 compared with D1 * Mohamed M. Elmessiry [email protected] 1
Department of Surgery, Alexandria Faculty of Medicine, Alexandria, Egypt
2
Department of Internal Medicine, Alexandria Faculty of Medicine, Alexandria, Egypt
gastrectomy [5, 6]. The aim of the current study is to assess the outcomes of D2 compared with D1 gastrectomy of operable gastric carcinoma regarding postoperative morbidity and mortality, disease recurrence, and survival rates.
Methods This observational study included 80 patients with operab
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