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Reduced-port totally robotic distal subtotal gastrectomy for gastric cancer: 100 consecutive cases in comparison with conventional robotic and laparoscopic distal subtotal gastrectomy.

ABSTRACT: By overcoming technical difficulties with limited access faced when performing reduced-port surgery for gastric cancer, reduced-port totally robotic gastrectomy (RPRDG) could be a safe alternative to conventional minimally invasive gastrectomy. An initial 100 consecutive cases of RPRDG for gastric cancer were performed from February 2016 to September 2018. Short-term outcomes for RPRDG with those for 261 conventional laparoscopic (CLDG) and for 241 robotic procedures (CRDG) over the same period were compared. Learning curve analysis for RPRDG was conducted to determine whether this procedure could be readily performed despite fewer access. During the first 100 cases of RPRDG, no surgeries were converted to open or laparoscopic surgery, and no additional ports were required. RPRDG showed longer operation time than CLDG (188.4 min vs. 166.2 min, p?

SUBMITTER: Seo WJ

PROVIDER: S-EPMC7524794 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Reduced-port totally robotic distal subtotal gastrectomy for gastric cancer: 100 consecutive cases in comparison with conventional robotic and laparoscopic distal subtotal gastrectomy.

Seo Won Jun WJ Son Taeil T Shin Hyejung H Choi Seohee S Roh Chul Kyu CK Cho Minah M Kim Hyoung-Il HI Hyung Woo Jin WJ

Scientific reports 20200929 1

By overcoming technical difficulties with limited access faced when performing reduced-port surgery for gastric cancer, reduced-port totally robotic gastrectomy (RPRDG) could be a safe alternative to conventional minimally invasive gastrectomy. An initial 100 consecutive cases of RPRDG for gastric cancer were performed from February 2016 to September 2018. Short-term outcomes for RPRDG with those for 261 conventional laparoscopic (CLDG) and for 241 robotic procedures (CRDG) over the same period ...[more]

PMID: 32994484

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Project description:IntroductionLaparoscopic distal gastrectomy (LDG) is regarded as a standard treatment for patients with clinical stage I-III gastric cancer. With the popularisation of the Da Vinci robotic system in the 21st century, robotic distal gastrectomy has been increasingly applied, and its potential advantages over LDG have been proved by several studies. Intraperitoneal anastomosis is a hot topic in research as it highlights the superiority of minimally invasive surgery and is safe and feasible. We intend to conduct this randomised clinical trial to focus on short-term outcomes and quality of life (QOL) in totally laparoscopic distal gastrectomy (TLDG) and totally robotic distal gastrectomy (TRDG) for patients with clinical stage I-III gastric cancer.Methods and analysisThis study is a prospective, multi-institutional, open-label randomised clinical trial that will recruit 722 patients with a 1:1 ratio (361 patients in the TLDG group and 361 patients in the TRDG group) from eight large-scale gastrointestinal medical centres in China. The primary endpoint is 30-day postoperative morbidity. The secondary endpoints include QOL, 30-day severe postoperative morbidity and mortality, anastomotic-related complication rate, conversion to open surgery rate, intraoperative and postoperative indicators, operative and total costs during hospitalisation, 1-year overall survival and disease-free survival. QOL is determined by the The European Organization for Reasearch and Treatment of Cancer Quality of Life Questionnare-Core 30 and Stomach22 (EORTC QLQ-C30 and STO22) questionnaires which are completed before surgery and 1, 3, 6 months, and 1 year after surgery. χ2 test will be used for the primary endpoint, while analysis of covariance will be used to compare the overall changes of QOL between the two groups.Ethics and disseminationThis trial was approved by the Ethics Committee of the Chinese PLA General Hospital. The trial's results will be disseminated via peer-reviewed scientific journals and conference presentations.Trial registration numberChiCTR2000032670.

Project description:BackgroundBillroth I (B-I) gastroduodenostomy is an anastomotic procedure that is widely performed after gastric resection for distal gastric cancer. A circular stapler often is used for B-I gastroduodenostomy in open and laparoscopic-assisted distal gastrectomy. Recently, totally laparoscopic distal gastrectomy (TLDG) has been considered less invasive than laparoscopic-assisted gastrectomy, and many institutions performing laparoscopic-assisted distal gastrectomy are trying to progress to TLDG without markedly changing the anastomosis method. The purpose of this report is to introduce the technical details of new methods of intracorporeal gastroduodenostomy using either a circular or linear stapler and to evaluate their technical feasibility and safety.MethodsSeventeen patients who underwent TLDG with the intracorporeal double-stapling technique using a circular stapler (n = 7) or the book-binding technique (BBT) using a linear stapler (n = 10) between February 2010 and April 2011 were enrolled in the study. Clinicopathological data, surgical data, and postoperative outcomes were analyzed.ResultsThere were no intraoperative complications or conversions to open surgery in any of the 17 patients. The usual postoperative complications following gastroduodenostomy, such as anastomotic leakage and stenosis, were not observed. Anastomosis took significantly longer to complete with DST (64 ± 24 min) than with BBT (34 ± 7 min), but more stapler cartridges were needed with BBT than with DST.ConclusionsTLDG using a circular or linear stapler is feasible and safe to perform. DST will enable institutions performing laparoscopic-assisted distal gastrectomy with circular staplers to progress to TLDG without problems, and this progression may be more economical because fewer stapler cartridges are used during surgery. However, if an institution has already been performing ? anastomosis in TLDG but has been experiencing certain issues with ? anastomosis, converting from ? anastomosis to BBT should be beneficial.

Project description:Background/aimsTotal gastrectomy (TG) has shown to be superior regarding low risk of recurrence and readmission to distal subtotal gastrectomy (DG) for treatment of distal stomach cancer, but the incidence of postoperative morbidity and mortality in TG cannot be ignored. Therefore, we performed a meta-analysis to compare the effectiveness between TG and DG for distal stomach cancer.MethodologyA search in PubMed, EMBASE, the Cochrane Library, Web of Science, Chinese Biomedical Database through January 2016 was performed. Eligible studies in comparing of TG and DG for distal gastric cancer were included in this meta-analysis. Review Manager 5.2 software from the Cochrane Collaboration was used for the performance of meta-analysis and STATA 12.0 software for meta-regression analysis.ResultsTen retrospective cohort studies and one randomized control trial involving 5447 patients were included. The meta-analysis showed no significant difference of postoperative mortality (RR = 1.48, 95%CI = 0. 90-2.44,p = 0.12), intraoperative blood loss (MD = 24.34, 95%CI = -3.31-51.99, p = 0.08) and length of hospital stay(MD = 0.76, 95%CI:-0.26-1.79, p = 0.15). TG procedure could retrieve more lymph nodes than DG(MD = 4.33, 95% CI = 2.34-6.31, p<0.0001). According to different postoperative complications, we performed subgroup analysis, subgroup analysis revealed that patients in TG group tended to have a higher rate of postoperative intra-abdominal abscess than DG procedure (RR = 3.41, 95% CI = 1.21-9.63,p<0.05). No statistical differences were found in leakage, intestinal obstruction, postoperative bleeding, anastomotic stricture and wound infection between the two groups (p>0.05). We pooled the data together, the accumulated 5-year Overall Survival rates of TG and DG groups were 49.6% (919/1852) vs.55.9%(721/1290) respectively. Meta-analysis revealed a favoring trend to DG procedure and there was a statistical difference between the two groups (RR = 0.91,95% CI = 0.85-0.97,p = 0.006).ConclusionBased on current retrospective evidences, we found that in spite of similar postoperative mortality, TG for distal gastric cancer provided a high risk of five-year Overall Survival rate. DG procedure can be a recommendation for distal gastric cancer, whereas due to lack of high quality RCTs in multicenter and the relatively small sample size of long-term outcomes, further comparative studies are still needed.

Dataset Information

Reduced-port totally robotic distal subtotal gastrectomy for gastric cancer: 100 consecutive cases in comparison with conventional robotic and laparoscopic distal subtotal gastrectomy.

Publications

Reduced-port totally robotic distal subtotal gastrectomy for gastric cancer: 100 consecutive cases in comparison with conventional robotic and laparoscopic distal subtotal gastrectomy.

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