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  • Title: [Application of robotic and laparoscopic radical total gastrectomy to gastric cancer patients with body mass index ≥24 kg/m2].
    Author: Cong T, Liu G, Zhang K, Gao Y, Cui J, Lan X, Teng D, Huo X, Wei B.
    Journal: Zhonghua Wei Chang Wai Ke Za Zhi; 2018 Mar 25; 21(3):318-324. PubMed ID: 29577221.
    Abstract:
    OBJECTIVE: To compare the short-term outcomes between robotic and laparoscopic radical total gastrectomy in gastric cancer patients with BMI index ≥24 kg/m2. METHOD: Clinical data of 93 gastric cancer patients who underwent robotic and laparoscopic radical total gastrectomy at PLA General Hospital from April 2016 to April 2017 were retrospectively analyzed. The retrospective cohort study was adopted. INCLUSION CRITERIA: preoperatively definite diagnosis of primary gastric cancer by endoscopy and biopsy; preoperative BMI ≥24 kg/m2; no previous abdominal surgery; no previous chemotherapy and radiotherapy; no distant metastasis or invasion into adjacent organs before operation or during operation; receiving radical gastrectomy; Roux-en-Y reconstruction of digestive tract in open procedure. According to approaches of minimally invasive surgery, 24 patients underwent robotic surgery and 69 underwent laparoscopic surgery. The intraoperative parameters (overall operative time, pneumoperitoneal time, open procedure time, intraoperative blood loss, transfusion rate, number of total retrieved lymph nodes and metastatic lymph nodes) and postoperative parameters (drainage in the first postoperative day, the first defecation time, morbidity of postoperative complication and hospital stay) were compared between two groups. Correlation of the above parameters were analyzed. RESULTS: Of 93 patients, 77 were male and 16 female with an average age of (60.0±10.6) years. The average BMI was (26.8±1.3) kg/m2 in whole patients, (26.9±1.6) kg/m2 in robotic group and (26.8±1.7) kg/m2 in laparoscopic group. No significant differences in age, gender, BMI, preoperative ASA class, postoperative pathological findings and clinical classification were observed between two groups, which made short-term parameters between two groups comparable. The robotic group had a significantly longer overall operative time [(301.2±68.9) minutes vs. (247.3±59.6) minutes, P=0.000], longer open procedure time [(141.5±26.3) minutes vs. (92.5±36.7) minutes, P=0.029] and higher cost than laparoscopy group[(17.5×104 ± 9.7×104) yuan vs. (10.0×104 ± 2.3×104) yuan, P=0.001]. Pneumoperitoneal operative time, intraoperative blood loss, transfusion rate, number of total retrieved lymph nodes, number of harvested metastatic lymph nodes and postoperative short-term efficacy were similar between the two groups (all P>0.05). In robotic group, pneumoperitoneal operative time was positively correlated with overall operative time (r=0.708, P=0.010); total cost was positively correlated with postoperative hospital stay (r=0.493, P=0.000) and open procedure time was negatively correlated with the first defecation time (r=-0.962, P=0.038). In laparoscopy group, total cost was positively correlated with overall operative time (r=0.411, P=0.046), drainage volume in the first postoperative day was positively correlated with the number of total dissected lymph node (r=0.540, P=0.006), postoperative hospital stay was positively correlated with intraoperative blood loss (r=0.574, P=0.003), total cost was positively correlated with intraoperative blood loss and hospital stay (r=0.609, P=0.002; r=0.865, P=0.000), drainage volume in the first postoperative day was positively correlated with BMI (r=0.533, P=0.007). CONCLUSION: For gastric cancer patients with BMI ≥24 kg/m2, robotic radical total gastrectomy is associated with longer operative time and higher cost, but is less vulnerable to the change of BMI and more in favor of the realization of enhanced recovery after surgery (ERAS) than laparoscopic radical total gastectomy.
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