asco@alo33:171310 JSONTXT

{"project":"ASCO_abstracts","denotations":[{"id":"T1","span":{"begin":38,"end":52},"obj":"DiseaseOrPhenotypicFeature"},{"id":"T3","span":{"begin":605,"end":612},"obj":"DiseaseOrPhenotypicFeature"},{"id":"T4","span":{"begin":807,"end":814},"obj":"DiseaseOrPhenotypicFeature"},{"id":"T5","span":{"begin":1741,"end":1744},"obj":"DiseaseOrPhenotypicFeature"}],"attributes":[{"id":"A1","pred":"mondo_id","subj":"T1","obj":"0001056"},{"id":"A2","pred":"mondo_id","subj":"T1","obj":"0004950"},{"id":"A3","pred":"mondo_id","subj":"T3","obj":"0011122"},{"id":"A4","pred":"mondo_id","subj":"T4","obj":"0011122"},{"id":"A5","pred":"mondo_id","subj":"T5","obj":"0012833"}],"text":" Background: Robotic gastrectomy for gastric cancer has been proven to be a feasible and safe minimally invasive procedure. Hoever, our previous multicenter prospective study indicated that robotic gastrectomy is not superior to laparoscopic gastrectomy. This study aimed to identify hich subgroups of patients ould benefit from robotic gastrectomy over conventional laparoscopic gastrectomy. Methods: A prospective multicenter comparative study as conducted. Surgical outcomes ere compared beteen the robotic and laparoscopic groups. The analysis as conducted in each subgroup according to the patients obesity status, the type of gastrectomy, and the extent of lymph node dissection. Results: A total of 434 patients ere enrolled for the robotic n = 223 and laparoscopic n = 211 groups. According to obesity and gastrectomy type, there as no difference in the estimated blood loss EBL , number of retrieved lymph nodes RLN , complication rate, open conversion rate, and the length of hospital stay beteen the robotic and laparoscopic groups. According to the extent of lymph node dissection, the robotic group shoed a significantly loer EBL than the laparoscopic group after D2 dissection 98.9 ml in the robotic group and 140.5 ml in the laparoscopic group, p = 0.021 , hile there as no difference in EBL in patients that did not undergo D2 dissection 96.5 ml in the robotic group and 82.6 ml in the laparoscopic group, p = 0.365 . Further subgroup analysis shoed that non-obese patients ho underent D2 lymph node dissection benefited from less blood loss ith robotic gastrectomy 83.5 ml in the robotic group and 146.4 ml in the laparoscopic group, p = 0.002 . Conclusions: Non-obese patients undergoing D2 lymph node dissection can benefit from less blood loss ith a robotic surgery system. Clinical trial information: lta href=http:clinicaltrials.govshoNCT01309256 NCT01309256,J Clin Oncol 34, 2016 suppl; abstr 4025 ,NCT01309256,00:00.0,Gastrointestinal Noncolorectal Cancer \n"}