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Yu X, Lei W, Zhu L, Qi F, Liu Y, Feng Q. Robotic versus laparoscopic distal gastrectomy for gastric cancer: A systematic review and meta-analysis. Asian J Surg 2024:S1015-9584(24)01268-5. [PMID: 38942631 DOI: 10.1016/j.asjsur.2024.06.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 12/19/2023] [Accepted: 06/19/2024] [Indexed: 06/30/2024] Open
Abstract
Distal gastrectomy (DG) with lymph node dissection for gastric cancer is routinely performed. In this meta-analysis, we present an updated overview of the perioperative and oncological outcomes of laparoscopic DG (LDG) and robotic DG (RDG) to compare their safety and overall outcomes in patients undergoing DG. An extensive search was conducted using the MEDLINE, EMBASE, PubMed, Web of Science, and the Cochrane Central Register of Controlled Trials from the establishment of the database to June 2023 for randomized clinical trials comparing RDG and LDG. The primary outcome was operative results, postoperative recovery, complications, adequacy of resection, and long-term survival. We identified twenty studies, evaluating 5,447 patients (1,968 and 3,479 patients treated with RDG and LDG, respectively). We observed no significant differences between the two groups in terms of the proximal resection margin, number of dissected lymph nodes, major complications, anastomosis site leakage, time to first flatus, and length of hospital stay. The RDG group had a longer operative time (P < 0.00001), lesser bleeding (P = 0.0001), longer distal resection margin (P = 0.02), earlier time to oral intake (P = 0.02), fewer overall complications (P = 0.004), and higher costs (P < 0.0001) than the LDG group. RDG is a promising approach for improving LDG owing to acceptable complications and the possibility of radical resection. Longer operative times and higher costs should not prevent researchers from exploring new applications of robotic surgery.
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Affiliation(s)
- Xianzhe Yu
- Department of Gastrointestinal Surgery, Chengdu Second People's Hospital, Chengdu, Sichuan Province, People's Republic of China; Lung Cancer Center, Lung Cancer Institute, West China Hospital of Sichuan University, Chengdu, Sichuan Province, People's Republic of China
| | - Wenyi Lei
- Department of Dermatology, The Second People's Hospital of Guiyang, Guiyang, Guizhou Province, People's Republic of China
| | - Lingling Zhu
- Lung Cancer Center, Lung Cancer Institute, West China Hospital of Sichuan University, Chengdu, Sichuan Province, People's Republic of China
| | - Fan Qi
- Department of Intensive Care Unit, The Second People's Hospital of Guiyang, Guiyang, Guizhou Province, People's Republic of China
| | - Yanyang Liu
- Lung Cancer Center, Lung Cancer Institute, West China Hospital of Sichuan University, Chengdu, Sichuan Province, People's Republic of China.
| | - Qingbo Feng
- Department of General Surgery, Affiliated Hospital of Zunyi Medical University, Affiliated Digestive Hospital of Zunyi Medical University, Zunyi, Guizhou Province, People's Republic of China.
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Wei LH, Zheng HL, Xue Z, Xu BB, Zheng HH, Shen LL, Zheng ZW, Xie JW, Zheng CH, Huang CM, Chen QY, Li P. Robotic gastrectomy was reliable option for overweight patients with gastric cancer: a propensity score matching study. Surg Endosc 2024; 38:3156-3166. [PMID: 38627257 DOI: 10.1007/s00464-024-10845-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 04/02/2024] [Indexed: 05/30/2024]
Abstract
BACKGROUND The role of minimally invasive surgery using robotics versus laparoscopy in resectable gastric cancer patients with a high body mass index (BMI) remains controversial. METHODS A total of 482 gastric adenocarcinoma patients with BMI ≥ 25 kg/m2 who underwent minimally invasive radical gastrectomy between August 2016 and December 2019 were retrospectively analyzed, including 109 cases in the robotic gastrectomy (RG) group and 321 cases in the laparoscopic gastrectomy (LG) group. Propensity score matching (PSM) with a 1:1 ratio was performed, and the perioperative outcomes, lymph node dissection, and 3-year overall survival (OS) and disease-free survival (DFS) rates were compared. RESULTS After PSM, 109 patients were included in each of the RG and LG groups, with balanced baseline characteristics. Compared with the LG group, the RG group had similar intraoperative estimated blood loss [median (IQR) 30 (20-50) vs. 35 (30-59) mL, median difference (95%CI) - 5 (- 10 to 0)], postoperative complications [13.8% vs. 18.3%, OR (95%CI) 0.71 (0.342 to 1.473)], postoperative recovery, total harvested lymph nodes [(34.25 ± 13.43 vs. 35.44 ± 14.12, mean difference (95%CI) - 1.19 (- 4.871 to 2.485)] and textbook outcomes [(81.7% vs. 76.1%, OR (95%CI) 1.39 (0.724 to 2.684)]. Among pathological stage II-III patients receiving chemotherapy, the initiation of adjuvant chemotherapy in the RG group was similar to that in the LG group [median (IQR): 28 (25.5-32.5) vs. 32 (27-38.5) days, median difference (95%CI) - 3 (- 6 to 0)]. The 3-year OS (RG vs. LG: 80.7% vs. 81.7%, HR = 1.048, 95%CI 0.591 to 1.857) and DFS (78% vs. 76.1%, HR = 0.996, 95%CI 0.584 to 1.698) were comparable between the two groups. CONCLUSION RG conferred comparable lymph node dissection, postoperative recovery, and oncologic outcomes in a selected cohort of patients with BMI ≥ 25 kg/m2.
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Affiliation(s)
- Ling-Hua Wei
- Department of Gastric Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, 350001, China
| | - Hua-Long Zheng
- Department of Gastric Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, 350001, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, 350001, China
| | - Zhen Xue
- Department of Gastric Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, 350001, China
| | - Bin-Bin Xu
- Department of Gastric Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, 350001, China
| | - Hong-Hong Zheng
- Department of Gastric Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, 350001, China
| | - Li-Li Shen
- Department of Gastric Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, 350001, China
| | - Zhi-Wei Zheng
- Department of Gastric Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, 350001, China
| | - Jian-Wei Xie
- Department of Gastric Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, 350001, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, 350001, China
| | - Chao-Hui Zheng
- Department of Gastric Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, 350001, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, 350001, China
| | - Chang-Ming Huang
- Department of Gastric Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, China.
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, 350001, China.
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, 350001, China.
| | - Qi-Yue Chen
- Department of Gastric Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, China.
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, 350001, China.
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, 350001, China.
| | - Ping Li
- Department of Gastric Surgery, Fujian Medical University Union Hospital, No. 29 Xinquan Road, Fuzhou, 350001, China.
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, 350001, China.
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, 350001, China.
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Zhang Z, Deng C, Guo Z, Liu Y, Qi H, Li X. Safety and efficacy of indocyanine green near-infrared fluorescent imaging-guided lymph node dissection during robotic gastrectomy for gastric cancer: a systematic review and meta-analysis. MINIM INVASIV THER 2023; 32:240-248. [PMID: 36639136 DOI: 10.1080/13645706.2023.2165415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 12/27/2022] [Indexed: 01/15/2023]
Abstract
BACKGROUND In Asia, particularly, robotic gastrectomy has grown in popularity as a treatment for stomach cancer. Indocyanine green (ICG) and near-infrared (NIR) fluorescent imaging technology has been reported for robotic gastrectomy. However, the clinical value still should be further evaluated. In this meta-analysis, we investigated the safety and efficacy of ICG near-infrared fluorescent imaging-guided lymph node (LN) dissection during robotic gastrectomy. MATERIAL AND METHODS Through July 2022, systematic searches of PubMed, Embase, Web of Science, and the Cochrane Library were conducted to find studies comparing ICG fluorescence imaging with conventional treatment in patients with gastric cancer. The current meta-analysis was performed according to the preferred reporting items for systematic review and meta-analysis guidelines. A pooled analysis was performed for the available data regarding the number of lymph node dissections, other operative outcomes and postoperative complications. R studio software 4.2.2 was used for this meta-analysis. RESULTS This analysis includes five studies with a total of 312 gastric cancer patients (128 in the ICG group and 184 in the non-ICG group). In this meta-analysis, the number of retrieved LNs in the ICG group was significantly higher (weighted mean difference [WMD] = 8.80, 95% confidence intervals [CI]: 4.37-13.22, p < 0.05) than that in the non-ICG group with moderate heterogeneity (p < 0.0001, I2=53.3%). Intraoperative blood loss and postoperative complications were all comparable and without significant heterogeneity. Additionally, ICG near-infrared fluorescent imaging was associated with a reduced operative time (WMD= -11.85, 95% CI: -22.40 to -1.30, p < 0.05) with low heterogeneity (p = 0.027, I2= 2.1%). CONCLUSIONS ICG near-infrared fluorescent imaging-guided lymphadenectomy was considered to be safe and effective in robotic gastrectomy. ICG was used to increase the number of LNs harvested while reducing operative time without increasing intraoperative blood loss or postoperative complications.
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Affiliation(s)
- Zhenyu Zhang
- Department of General Surgery, Shaanxi Provincial People's Hospital, Xi'an City, China
| | - Chun Deng
- Department of Gastrointestinal Surgery, The Second People's Hospital of Yibin, Yibin City, China
| | - Zhi Guo
- Department of General Surgery, Shaanxi Provincial People's Hospital, Xi'an City, China
| | - Yang Liu
- Department of General Surgery, Shaanxi Provincial People's Hospital, Xi'an City, China
| | - Hengduo Qi
- Department of General Surgery, Shaanxi Provincial People's Hospital, Xi'an City, China
| | - Xiaojun Li
- Department of General Surgery, Shaanxi Provincial People's Hospital, Xi'an City, China
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Ergenç M, Uprak TK, Akın Mİ, Hekimoğlu EE, Çelikel ÇA, Yeğen C. Prognostic significance of metastatic lymph node ratio in gastric cancer: a Western-center analysis. BMC Surg 2023; 23:220. [PMID: 37550669 PMCID: PMC10408136 DOI: 10.1186/s12893-023-02127-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/27/2023] [Indexed: 08/09/2023] Open
Abstract
BACKGROUND Tumor-node-metastasis (TNM) staging is the central gastric cancer (GC) staging system, but it has some disadvantages. However, the lymph node ratio (LNR) can be used regardless of the type of lymphadenectomy and is considered an important prognostic factor. This study aimed to evaluate the relationship between LNR and survival in patients who underwent curative GC surgery. METHODS All patients who underwent radical gastric surgery between January 2014 and June 2022 were retrospectively evaluated. Clinicopathological features of tumors, TNM stage, and survival rates were analyzed. LNR was defined as the ratio between metastatic lymph nodes and total lymph nodes removed. The LNR groups were classified as follows: LNR0 = 0, 0.01 < LNR1 ≤ 0.1, 0.1 < LNR2 ≤ 0.25 and LNR3 > 0.25. Tumor characteristics and overall survival (OS) of the patients were compared between LNR groups. RESULTS After exclusion, 333 patients were analyzed. The mean age was 62 ± 14 years. According to the LNR classification, no difference was found between groups regarding age and sex. However, TNM stage III disease was significantly more common in LNR3 patients. Most patients (43.2%, n = 144) were in the LNR3 group. In terms of tumor characteristics (lymphatic, vascular, and perineural invasion), the LNR3 group had significantly poorer prognostic factors. The Cox regression model defined LNR3, TNM stage II-III disease, and advanced age as independent risk factors for survival. Patients with LNR3 demonstrated the lowest 5-year OS rate (35.7%) (estimated mean survival was 30 ± 1.9 months) compared to LNR 0-1-2. CONCLUSION Our study showed that a high LNR was significantly associated with poor OS in patients who underwent curative gastrectomy. LNR can be used as an independent prognostic predictor in GC patients.
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Affiliation(s)
- Muhammer Ergenç
- Department of General Surgery, Marmara University School of Medicine, Başıbüyük Campus Başıbüyük Mah. Maltepe Başıbüyük Yolu Sok. No: 9/1 Maltepe 34854, Istanbul, Turkey.
| | - Tevfik Kıvılcım Uprak
- Department of General Surgery, Marmara University School of Medicine, Başıbüyük Campus Başıbüyük Mah. Maltepe Başıbüyük Yolu Sok. No: 9/1 Maltepe 34854, Istanbul, Turkey
| | - Muhammed İkbal Akın
- Department of General Surgery, Marmara University School of Medicine, Başıbüyük Campus Başıbüyük Mah. Maltepe Başıbüyük Yolu Sok. No: 9/1 Maltepe 34854, Istanbul, Turkey
| | - Ece Elif Hekimoğlu
- Marmara University School of Medicine, Başıbüyük Campus Başıbüyük Mah. Maltepe Başıbüyük Yolu Sok. No: 9/1 Maltepe 34854, Istanbul, Turkey
| | - Çiğdem Ataizi Çelikel
- Department of Pathology, Marmara University School of Medicine, Başıbüyük Campus Başıbüyük Mah. Maltepe Başıbüyük Yolu Sok. No: 9/1 Maltepe 34854, Istanbul, Turkey
| | - Cumhur Yeğen
- Department of General Surgery, Marmara University School of Medicine, Başıbüyük Campus Başıbüyük Mah. Maltepe Başıbüyük Yolu Sok. No: 9/1 Maltepe 34854, Istanbul, Turkey
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Loureiro P, Barbosa JP, Vale JF, Barbosa J. Laparoscopic Versus Robotic Gastric Cancer Surgery: Short-Term Outcomes-Systematic Review and Meta-Analysis of 25,521 Patients. J Laparoendosc Adv Surg Tech A 2023; 33:782-800. [PMID: 37204324 DOI: 10.1089/lap.2023.0136] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023] Open
Abstract
Background: Gastric cancer has the third highest cancer-related mortality worldwide. There is no consensus regarding the optimal surgical technique to perform curative resection surgery. Objective: Compare laparoscopic gastrectomy (LG) and robotic gastrectomy (RG) regarding short-term outcomes in patients with gastric cancer. Materials and Methods: This systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. We searched the following topics: "Gastrectomy," "Laparoscopic," and "Robotic Surgical Procedures." The included studies compared short-term outcomes between LG and RG. Individual risk of bias was assessed with the Methodological Index for Non-Randomized Studies (MINORS) scale. Results: There was no significant difference between RG and LG regarding conversion rate, reoperation rate, mortality, overall complications, anastomotic leakage, distal and proximal resection margin distances, and recurrence rate. However, mean blood loss (mean difference [MD] -19.43 mL, P < .00001), length of hospital stay (MD -0.50 days, P = .0007), time to first flatus (MD -0.52 days, P < .00001), time to oral intake (MD -0.17 days, P = .0001), surgical complications with a Clavien-Dindo grade ≥III (risk ratio [RR] 0.68, P < .0001), and pancreatic complications (RR 0.51, P = .007) were significantly lower in the RG group. Furthermore, the number of retrieved lymph nodes was significantly higher in the RG group. Nevertheless, the RG group showed a significantly higher operation time (MD 41.19 minutes, P < .00001) and cost (MD 3684.27 U.S. Dollars, P < .00001). Conclusion: This meta-analysis supports the choice of robotic surgery over laparoscopy concerning relevant surgical complications. However, longer operation time and higher cost remain crucial limitations. Randomized clinical trials are required to clarify the advantages and disadvantages of RG.
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Affiliation(s)
- Pedro Loureiro
- Faculty of Medicine, University of Porto, Porto, Portugal
| | - José Pedro Barbosa
- Faculty of Medicine, University of Porto, Porto, Portugal
- Department of Community Medicine, Information and Decision in Health, Faculty of Medicine, University of Porto, Porto, Portugal
- Department of Stomatology, São João University Hospital Center, Porto, Portugal
| | | | - José Barbosa
- Faculty of Medicine, University of Porto, Porto, Portugal
- Department of Surgery and Physiology, Faculty of Medicine, University of Porto, Porto, Portugal
- Department of General Surgery, São João University Hospital Center, Porto, Portugal
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Kostov G, Dimov R, Doykov M. Comparison of short term results following robotic and laparoscopic total gastrectomy and D2 lymph node dissection. Folia Med (Plovdiv) 2022; 64:889-895. [PMID: 36876567 DOI: 10.3897/folmed.64.e89545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 08/10/2022] [Indexed: 01/01/2023] Open
Abstract
INTRODUCTION In the last decade, there has been a progressive shift from open to mini-invasive operative techniques for surgical resection of gastric cancer. Advanced equipment of surgical robots, with its 3D visualization, steady camera view, flexible instrument tips, attracts more and more practitioners in performing robotic gastrectomy with D2 dissection in gastric cancer patients. Thus, the comparison of some basic oncological as well as some surgical variables related to laparoscopic and robotic gastrectomy and D2 lymphadenectomy is necessary.
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Affiliation(s)
| | - Rossen Dimov
- Medical University of Plovdiv, Plovdiv, Bulgaria
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Sun T, Wang Y, Liu Y, Wang Z. Perioperative outcomes of robotic versus laparoscopic distal gastrectomy for gastric cancer: a meta-analysis of propensity score-matched studies and randomized controlled trials. BMC Surg 2022; 22:427. [DOI: 10.1186/s12893-022-01881-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 12/08/2022] [Indexed: 12/15/2022] Open
Abstract
Abstract
Background
Da Vinci robotic surgery system, a novel type of surgery, was widespread in surgical field. However, the perioperative outcomes of robotic distal gastrectomy (RDG) are still controversy, despite several observational studies and randomized controlled trials (RCT) had been reported. Therefore, we performed a meta-analysis of propensity score-matched (PSM) and RCT studies to evaluated the perioperative feasibility and safety of RDG.
Methods
Studies were systematically searched in PubMed, Web of Science, Cochrane Library, and Embase database, and screened according to the defined limitations. The quality of PSM studies and RCT studies were respectively assessed by ROBINS-I and Cochrane risk-of-bias tool. Extracted data were analyzed by Review Manager 5.4.
Results
7 PSM studies and 1 RCT with a total of 2763 patients were included in this analysis. The longer operative time (MD = 31.42, 95% CI [22.88, 39.96], p < 0.00001), less blood loss (MD = − 25.89, 95% CI [− 36.18, − 15.6], p < 0.00001), more retrieved lymph nodes (MD = 3.46, 95% CI [2.94, 3.98], p < 0.00001), shorter time to first flatus (MD = − 0.08, 95% CI [− 0.13, − 0.02], p = 0.006) and liquid intake (MD = − 0.13, 95% CI [− 0.22, − 0.05], p = 0.002) were observed in RDG group compared with LDG group. There are no statistically significant in time to start soft diet, postoperative hospital stays, overall complications, complications Grade I–II, complications Grade ≥ III, anastomotic leakage, bleeding, intra-abdominal bleeding, intraluminal bleeding, ileus, abdominal infection, delayed gastric emptying and wound complications.
Conclusions
RDG showed less blood loss and more retrieved lymph nodes, revealed less time to first flatus and liquid intake after operation. But the operative time was longer in RDG group than in LDG. The incidence rate of postoperative complications was comparable between RDG and LDG.
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Li Z, Ai S, Wang F, Tao L, Sun F, Song P, Shen X, Hu Q, Li X, Liu S, Wang M, Guan W. Comparison of short-term outcomes between robotic-assisted and laparoscopic gastrectomy guided by carbon nanoparticle suspension injection in gastric cancer. World J Surg Oncol 2022; 20:282. [PMID: 36058930 PMCID: PMC9442920 DOI: 10.1186/s12957-022-02755-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/30/2022] [Indexed: 11/22/2022] Open
Abstract
Background The clinical application of robotic-assisted gastrectomy remains controversial, especially as clinical studies of this operation navigated by carbon nanoparticle suspension injection (CNSI) have not been conducted. This study aims to assess the perioperative safety and efficacy of CNSI-guided robotic-assisted gastrectomy in patients with gastric cancer by focusing on short-term outcomes. Methods A retrospective analysis of patients who underwent CNSI-guided laparoscopic or robotic-assisted gastrectomy with a pathological diagnosis of gastric cancer was conducted. Data on demographics, surgical management, clinical-pathological results and short-term outcomes were compared among the groups. Results A total of 126 eligible patients were separated into the robotic-assisted gastrectomy (RAG) group (n = 16) and the laparoscopic gastrectomy (LG) group (n = 110) in total. The operation time of the RAG group is longer than the LG group (p = 0.0000). When it comes to perioperative and short-term complications, there exists no statistical difference between the two groups. Conclusion The time required for CNSI-guided robotic-assisted gastrectomy is longer than that for CNSI-guided laparoscopic gastrectomy. CNSI-guided robotic-assisted gastrectomy is safe and effective.
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Affiliation(s)
- Zhiyan Li
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Rd., Nanjing, 210008, China
| | - Shichao Ai
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Rd., Nanjing, 210008, China
| | - Feng Wang
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Rd., Nanjing, 210008, China
| | - Liang Tao
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Rd., Nanjing, 210008, China
| | - Feng Sun
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Rd., Nanjing, 210008, China
| | - Peng Song
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Rd., Nanjing, 210008, China
| | - Xiaofei Shen
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Rd., Nanjing, 210008, China
| | - Qiongyuan Hu
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Rd., Nanjing, 210008, China
| | - Xianghui Li
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Rd., Nanjing, 210008, China
| | - Song Liu
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Rd., Nanjing, 210008, China.
| | - Meng Wang
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Rd., Nanjing, 210008, China.
| | - Wenxian Guan
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Rd., Nanjing, 210008, China.
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Ali M, Wang Y, Ding J, Wang D. Postoperative outcomes in robotic gastric resection compared with laparoscopic gastric resection in gastric cancer: A meta‐analysis and systemic review. Health Sci Rep 2022; 5:e746. [PMID: 35989947 PMCID: PMC9382053 DOI: 10.1002/hsr2.746] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 05/12/2022] [Accepted: 06/19/2022] [Indexed: 11/08/2022] Open
Abstract
Background Robotic gastrectomy is a commonly used procedure for early gastric cancer and it also overcomes the limitation of laparoscopic. However, the complications of robotic gastrectomy (RG) still need to be assessed. Our study was designed to compare postoperative complications of RG with laparoscopic gastrectomy (LG). Materials and Methods A meta‐analysis and systemic review were prospectively collected using the PubMed, Cochrane Library, and MEDLINE database of published studies by comparing the RG and LG with gastric cancer up to December 2021. To evaluate the postoperative outcomes, odds ratios were calculated for Dichotomous data and the mean difference with 95% confidence interval (CI) was calculated for continuous data, and measured by the random‐effect model. Results Thirty‐two retrospective studies describing 13,585 patients (4484 RG and 9101 LG) satisfied the inclusion criteria. A statistically significant result was in blood loss (MD = −17.97, 95% Cl: −25.61 to 10.32, p < 0.001), Clavien−Dindo grade Ⅲ (odds ratio (OR) = 0.60, 95% CI: 0.48−0.76, p < 0.01), and harvested lymph node (MD = 2.62, 95% CI: 2.14−3.11, p < 0.001). There was no significant difference between robotic gastrectomy surgery (RGS) and laparoscopic gastrectomy surgery (LGS) regarding distal resection margin (DRM), proximal resection margin (PRM), conversion rate, anastomotic leakage, and overall complications. Conclusion Having significant outcomes in Clavien–Dindo grade III, and blood loss, harvested lymph nodes are more common in RGS, and they also help in increasing the quality of life.
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Affiliation(s)
- Muhammad Ali
- Department of Gastrointestinal Surgery Northern Jiangsu People's Hospital Yangzhou China
- General Surgery Institute of Yangzhou Yangzhou University Yangzhou China
- Medical College of Yangzhou University Yangzhou China
| | - Yang Wang
- Department of Gastrointestinal Surgery Northern Jiangsu People's Hospital Yangzhou China
- Medical College of Yangzhou University Yangzhou China
| | - Jianyue Ding
- Department of Gastrointestinal Surgery Northern Jiangsu People's Hospital Yangzhou China
- Medical College of Yangzhou University Yangzhou China
| | - Daorong Wang
- Department of Gastrointestinal Surgery Northern Jiangsu People's Hospital Yangzhou China
- General Surgery Institute of Yangzhou Yangzhou University Yangzhou China
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Baral S, Arawker MH, Sun Q, Jiang M, Wang L, Wang Y, Ali M, Wang D. Robotic Versus Laparoscopic Gastrectomy for Gastric Cancer: A Mega Meta-Analysis. Front Surg 2022; 9:895976. [PMID: 35836604 PMCID: PMC9273891 DOI: 10.3389/fsurg.2022.895976] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 06/09/2022] [Indexed: 11/19/2022] Open
Abstract
Background Laparoscopic gastrectomy and robotic gastrectomy are the most widely adopted treatment of choice for gastric cancer. To systematically assess the safety and effectiveness of robotic gastrectomy for gastric cancer, we carried out a systematic review and meta-analysis on short-term and long-term outcomes of robotic gastrectomy. Methods In order to find relevant studies on the efficacy and safety of robotic gastrectomy (RG) and laparoscopic gastrectomy (LG) in the treatment of gastric cancer, numerous medical databases including PubMed, Medline, Cochrane Library, Embase, Google Scholar, and China Journal Full-text Database (CNKI) were consulted, and Chinese and English studies on the efficacy and safety of RG and LG in the treatment of gastric cancer published from 2012 to 2022 were screened according to inclusion and exclusion criteria, and a meta-analysis was conducted using RevMan 5.4 software. Results The meta-analysis inlcuded 48 literatures, with 20,151 gastric cancer patients, including 6,175 in the RG group and 13,976 in the LG group, respectively. Results of our meta-analysis showed that RG group had prololonged operative time (WMD = 35.72, 95% CI = 28.59–42.86, P < 0.05) (RG: mean ± SD = 258.69 min ± 32.98; LG: mean ± SD = 221.85 min ± 31.18), reduced blood loss (WMD = −21.93, 95% CI = −28.94 to −14.91, P < 0.05) (RG: mean ± SD = 105.22 ml ± 62.79; LG: mean ± SD = 127.34 ml ± 79.62), higher number of harvested lymph nodes (WMD = 2.81, 95% CI = 1.99–3.63, P < 0.05) (RG: mean ± SD = 35.88 ± 4.14; LG: mean ± SD = 32.73 ± 4.67), time to first postoperative food intake shortened (WMD = −0.20, 95% CI = −0.29 to −0.10, P < 0.05) (RG: mean ± SD = 4.5 d ± 1.94; LG: mean ± SD = 4.7 d ± 1.54), and lower length of postoperative hospital stay (WMD = −0.54, 95% CI = −0.83 to −0.24, P < 0.05) (RG: mean ± SD = 8.91 d ± 6.13; LG: mean ± SD = 9.61 d ± 7.74) in comparison to the LG group. While the other variables, for example, time to first postoperative flatus, postoperative complications, proximal and distal mar gin, R0 resection rate, mortality rate, conversion rate, and 3-year overall survival rate were all found to be statistically similar at P > 0.05. Conclusions In the treatment of gastric cancer, robotic gastrectomy is a safe and effective procedure that has both short- and long-term effects. To properly evaluate the advantages of robotic surgery in gastric cancer, more randomised controlled studies with rigorous research methodologies are needed.
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Affiliation(s)
- Shantanu Baral
- Clinical Medical College, Yangzhou University, YangzhouChina
- Department of Gastrointestinal Surgery, Northern Jiangsu People’s Hospital, YangzhouChina
- General Surgery Institute of Yangzhou, Yangzhou University, YangzhouChina
| | - Mubeen Hussein Arawker
- Clinical Medical College, Yangzhou University, YangzhouChina
- General Surgery Institute of Yangzhou, Yangzhou University, YangzhouChina
| | - Qiannan Sun
- Department of Gastrointestinal Surgery, Northern Jiangsu People’s Hospital, YangzhouChina
- General Surgery Institute of Yangzhou, Yangzhou University, YangzhouChina
- Yangzhou Key Laboratory of Basic and Clinical Transformation of Digestive and Metabolic Diseases, YangzhouChina
| | - Mingrui Jiang
- Clinical Medical College, Yangzhou University, YangzhouChina
- Department of Gastrointestinal Surgery, Northern Jiangsu People’s Hospital, YangzhouChina
- General Surgery Institute of Yangzhou, Yangzhou University, YangzhouChina
| | - Liuhua Wang
- Department of Gastrointestinal Surgery, Northern Jiangsu People’s Hospital, YangzhouChina
- General Surgery Institute of Yangzhou, Yangzhou University, YangzhouChina
- Yangzhou Key Laboratory of Basic and Clinical Transformation of Digestive and Metabolic Diseases, YangzhouChina
| | - Yong Wang
- Department of Gastrointestinal Surgery, Northern Jiangsu People’s Hospital, YangzhouChina
- General Surgery Institute of Yangzhou, Yangzhou University, YangzhouChina
- Yangzhou Key Laboratory of Basic and Clinical Transformation of Digestive and Metabolic Diseases, YangzhouChina
| | - Muhammad Ali
- Clinical Medical College, Yangzhou University, YangzhouChina
- Department of Gastrointestinal Surgery, Northern Jiangsu People’s Hospital, YangzhouChina
- General Surgery Institute of Yangzhou, Yangzhou University, YangzhouChina
| | - Daorong Wang
- Clinical Medical College, Yangzhou University, YangzhouChina
- Department of Gastrointestinal Surgery, Northern Jiangsu People’s Hospital, YangzhouChina
- General Surgery Institute of Yangzhou, Yangzhou University, YangzhouChina
- Yangzhou Key Laboratory of Basic and Clinical Transformation of Digestive and Metabolic Diseases, YangzhouChina
- Correspondence: Daorong Wang
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11
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Yi B, Jiang J, Zhu S, Li J. The impact of robotic technology on the learning curve for robot-assisted gastrectomy in the initial clinical application stage. Surg Endosc 2022; 36:4171-4180. [PMID: 34622300 DOI: 10.1007/s00464-021-08743-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 09/21/2021] [Indexed: 01/29/2023]
Abstract
OBJECTIVE To evaluate the impact of robotic technology on the learning curve for robot-assisted gastrectomy in the initial clinical application stage and to compare RAG with laparoscopic-assisted gastrectomy using a short-term evaluation. METHODS Between September 2016 and December 2018, 111 consecutive distal gastric cancer patients who were candidates for RAG or LAG were prospectively enrolled. Operative findings, morbidity, oncological findings, and the learning curve were analyzed. RESULTS Thirty patients underwent RAG with the da Vinci Si robot system, and eighty-one patients underwent LAG. Blood loss was lower during RAG than during LAG (133.80 ± 95.28 vs. 178.83 ± 98.37, P = 0.046). The operative time for RAG was significantly longer (304.45 ± 42.08 vs. 281.17 ± 32.69, P = 0.015). The number of retrieved lymph nodes (LNs) was greater (37.33 ± 8.25 vs. 32.78 ± 5.98, P = 0.003) with RAG. Notably, RAG had an advantage in the dissection of No. 9 and 11p LNs (3.56 ± 1.76 vs. 2.78 ± 1.30, P = 0.038; 2.48 ± 0.93 vs. 1.99 ± 0.84, P = 0.015, respectively). Severe complications were less frequent in the RAG group (7 (8.6%) vs. 1 (3.3%), P = 0.003). No significant differences in terms of postoperative recovery were found between the two groups. The learning curve for RAG showed that the cumulative sum value decreased from the 10th case, while it decreased from the 28th case in the LAG group. CONCLUSION By means of robotic technology, RAG is better than LAG for the dissection of No. 9 and 11p LNs and for the alleviation of surgical trauma, and the technique is learned more rapidly during the preliminary stage than the LAG technique.
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Affiliation(s)
- Bo Yi
- Central South University Third Xiangya Hospital, 138 Tongzipo Street, Changsha, Hunan, People's Republic of China
| | - Juan Jiang
- Central South University Third Xiangya Hospital, 138 Tongzipo Street, Changsha, Hunan, People's Republic of China
| | - Shaihong Zhu
- Central South University Third Xiangya Hospital, 138 Tongzipo Street, Changsha, Hunan, People's Republic of China.
| | - Jianmin Li
- Tianjin University, Nankai District Wei Jin Road No. 92, Tianjin, People's Republic of China.
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12
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Gong S, Li X, Tian H, Song S, Lu T, Jing W, Huang X, Xu Y, Wang X, Zhao K, Yang K, Guo T. Clinical efficacy and safety of robotic distal gastrectomy for gastric cancer: a systematic review and meta-analysis. Surg Endosc 2022; 36:2734-2748. [PMID: 35020057 DOI: 10.1007/s00464-021-08994-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Accepted: 12/31/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND Robotic distal gastrectomy (RDG) is a new technique that is rapidly gaining popularity and may help overcome the limitations of laparoscopic distal gastrectomy (LDG); however, its safety and therapeutic efficacy remain controversial. Therefore, this meta-analysis was performed to evaluate the safety and efficacy of RDG. METHODS We searched PubMed, EMBASE, the Cochrane Library, and Web of Science for studies that compared RDG and LDG and were published between the time of database inception and May 2021. We assessed the bias risk of the observational studies using ROBIN-I, and a random effect model was always applied. RESULTS The meta-analysis included 22 studies involving 5386 patients. Compared with LDG, RDG was associated with longer operating time (Mean Difference [MD] = 43.88, 95% CI = 35.17-52.60), less intraoperative blood loss (MD = - 24.84, 95% CI = - 41.26 to - 8.43), a higher number of retrieved lymph nodes (MD = 2.41, 95% CI = 0.77-4.05), shorter time to first flatus (MD = - 0.09, 95% CI = - 0.15 to - 0.03), shorter postoperative hospital stay (MD = - 0.68, 95% CI = - 1.27 to - 0.08), and lower incidence of pancreatic fistula (OR = 0.23, 95% CI = 0.07-0.79). Mean proximal and distal resection margin distances, time to start liquid and soft diets, and other complications were not significantly different between RDG and LDG groups. However, in the propensity-score-matched meta-analysis, the differences in time to first flatus and postoperative hospital stay between the two groups lost significance. CONCLUSIONS Based on the available evidence, RDG appears feasible and safe, shows better surgical and oncological outcomes than LDG and, comparable postoperative recovery and postoperative complication outcomes.
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Affiliation(s)
- Shiyi Gong
- Ningxia Medical University, Yinchuan, 750000, Ningxia, China.,Department of General Surgery, Gansu Provincial Hospital, 204 West Donggang R.D., Lanzhou, 730000, Gansu, China.,Institution of Clinical Research and Evidence-Based Medicine, The Gansu Provincial Hospital, Lanzhou, 730000, Gansu, China.,Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, 222 West Donggang R.D., Lanzhou, 730000, Gansu, China
| | - Xiong Li
- Ningxia Medical University, Yinchuan, 750000, Ningxia, China.,Department of General Surgery, Gansu Provincial Hospital, 204 West Donggang R.D., Lanzhou, 730000, Gansu, China.,Institution of Clinical Research and Evidence-Based Medicine, The Gansu Provincial Hospital, Lanzhou, 730000, Gansu, China.,Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, 222 West Donggang R.D., Lanzhou, 730000, Gansu, China
| | - Hongwei Tian
- Department of General Surgery, Gansu Provincial Hospital, 204 West Donggang R.D., Lanzhou, 730000, Gansu, China.,Department of Clinical Medicine, The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, Gansu, China
| | - Shaoming Song
- Department of General Surgery, Gansu Provincial Hospital, 204 West Donggang R.D., Lanzhou, 730000, Gansu, China.,Institution of Clinical Research and Evidence-Based Medicine, The Gansu Provincial Hospital, Lanzhou, 730000, Gansu, China.,Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, 222 West Donggang R.D., Lanzhou, 730000, Gansu, China
| | - Tingting Lu
- Department of General Surgery, Gansu Provincial Hospital, 204 West Donggang R.D., Lanzhou, 730000, Gansu, China.,Institution of Clinical Research and Evidence-Based Medicine, The Gansu Provincial Hospital, Lanzhou, 730000, Gansu, China.,Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, 222 West Donggang R.D., Lanzhou, 730000, Gansu, China.,Key Laboratory of Evidence-Based Medicine and Knowledge Translation of Gansu Province, Lanzhou, 730000, Gansu, China
| | - Wutang Jing
- Department of General Surgery, Gansu Provincial Hospital, 204 West Donggang R.D., Lanzhou, 730000, Gansu, China
| | - Xianbin Huang
- Department of General Surgery, Gansu Provincial Hospital, 204 West Donggang R.D., Lanzhou, 730000, Gansu, China.,Department of Clinical Medicine, The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, Gansu, China
| | - Yongcheng Xu
- Department of General Surgery, Gansu Provincial Hospital, 204 West Donggang R.D., Lanzhou, 730000, Gansu, China
| | - Xingqiang Wang
- Department of General Surgery, Gansu Provincial Hospital, 204 West Donggang R.D., Lanzhou, 730000, Gansu, China
| | - Kaixuan Zhao
- Ningxia Medical University, Yinchuan, 750000, Ningxia, China.,Department of General Surgery, Gansu Provincial Hospital, 204 West Donggang R.D., Lanzhou, 730000, Gansu, China
| | - Kehu Yang
- Institution of Clinical Research and Evidence-Based Medicine, The Gansu Provincial Hospital, Lanzhou, 730000, Gansu, China. .,Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, 222 West Donggang R.D., Lanzhou, 730000, Gansu, China. .,Key Laboratory of Evidence-Based Medicine and Knowledge Translation of Gansu Province, Lanzhou, 730000, Gansu, China.
| | - Tiankang Guo
- Ningxia Medical University, Yinchuan, 750000, Ningxia, China. .,Department of General Surgery, Gansu Provincial Hospital, 204 West Donggang R.D., Lanzhou, 730000, Gansu, China. .,Department of Clinical Medicine, The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, Gansu, China.
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13
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Effectiveness and safety of robotic gastrectomy versus laparoscopic gastrectomy for gastric cancer: a meta-analysis of 12,401 gastric cancer patients. Updates Surg 2021; 74:267-281. [PMID: 34655427 DOI: 10.1007/s13304-021-01176-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 09/19/2021] [Indexed: 02/05/2023]
Abstract
Advanced minimally invasive techniques, such as robotic surgeries, are applied increasingly frequently around the world and are primarily used to improve the surgical outcomes of laparoscopic gastrectomy (LG). Against that background, we conducted a meta-analysis to evaluate the feasibility, safety, and effectiveness of robotic gastrectomy (RG). Studies comparing surgical outcomes between LG and RG patients were retrieved from medical databases, including RCTs and non-RCTs. The primary outcome of this study was overall survival, which was obtained by evaluating the 3-year survival rate and the 5-year survival rate. In addition, postoperative complications, mortality, length of hospital stay, and harvested lymph nodes were also assessed. We also conducted subgroup analyses stratified by resection type, body mass index, age, depth of invasion and tumour size. Ultimately, 31 articles met the criterion for our study through an attentive check of each text, including 1 RCT and 30 non-RCTs. A total of 12,401 patients were included in the analysis, with 8127 (65.5%) undergoing LG and 4274 (34.5%) undergoing RG. Compared with LG, RG was associated with fewer postoperative complications (OR 0.81; 95% CI 0.71-0.93; P = 0.002), especially pancreas-related complications (OR 0.376; 95% CI 0.156-0.911; P = 0.030), increased harvested lymph nodes (WMD 2.03; 95% CI 0.95-3.10; P < 0.001), earlier time to first flatus (WMD - 0.105 days; 95% CI - 0.207 to - 0.003; P = 0.044), longer operation time (WMD 40.192 min, 95% CI 32.07-48.31; P < 0.001), less intraoperative blood loss (WMD - 20.09 ml; 95% CI - 26.86 to - 13.32; P < 0.001), and higher expense (WMD 19,141.68 RMB; 95% CI 11,856.07-26,427.29; P < 0.001). There was no significant difference between RG and LG regarding 3-year overall survival (OR 1.030; 95% CI 0.784-1.353; P = 0.832), 5-year overall survival (OR 0.862; 95% CI 0.721-1.031; P = 0.105), conversion rate (OR 0.857; 95% CI 0.443-1.661; P = 0.648), postoperative hospital stay (WMD - 0.368 days; 95% CI - 0.75-0.013; P = 0.059), mortality (OR 1.248; 95% CI 0.514-3.209; P = 0.592), and reoperation (OR 0.855; 95% CI 0.479-1.525; P = 0.595). Our study revealed that postoperative complications, especially pancreas-related complications, occurred less often with RG than with LG. However, long-term outcomes between the two surgical techniques need to be further examined, particularly regarding the oncological adequacy of robotic gastric cancer resections.
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14
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Zhang Z, Zhang X, Liu Y, Li Y, Zhao Q, Fan L, Zhang Z, Wang D, Zhao X, Tan B. Meta-analysis of the efficacy of Da Vinci robotic or laparoscopic distal subtotal gastrectomy in patients with gastric cancer. Medicine (Baltimore) 2021; 100:e27012. [PMID: 34449473 PMCID: PMC8389896 DOI: 10.1097/md.0000000000027012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 07/20/2021] [Accepted: 08/05/2021] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Robotic-assisted gastrectomy has been used for treating gastric cancer since 2002. This meta-analysis was conducted to systematically evaluate the efficacy of Da Vinci robotic distal subtotal gastrectomy (RDG) or laparoscopic distal subtotal gastrectomy (LDG) in patients with gastric cancer. METHODS We conducted searches in domestic and foreign databases, and collected literature in Chinese and English on the efficacy of RDG and LDG for gastric cancer that have been published since the inception of the database. RevMan 5.4.1 was used for meta-analysis and drawing and Stata14.0 was used for publication bias analysis. RESULTS A total of 3293 patients in 15 studies were included, including 1193 patients in the RDG group and 2100 patients in the LDG groups respectively. The meta-analysis showed that intraoperative blood loss was significantly lower and the number of resected lymph nodes was higher in the RDG group compared to that in the LDG group. In addition, the times to first postoperative food intake and postoperative hospital stay were shortened, and there was a longer length of distal resection margin and prolonged duration of operation. No significant differences were found between the 2 groups with respect to the first postoperative anal exhaust time, length of proximal resection margin, total postoperative complication rate, postoperative anastomotic leakage rate, incidence of postoperative gastric emptying disorder, pancreatic fistula rate, recurrence rate, and mortality rate. CONCLUSION RDG is a safe and feasible treatment option for gastric cancer, and it is non-inferior or even superior to LDG with respect to therapeutic efficacy and radical treatment.
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Affiliation(s)
- Zibo Zhang
- Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Third Department of Surgery, Shijiazhuang, Hebe, China
| | - Xiaolin Zhang
- Hebei Medical University, School of Public Health, Shijiazhuang, Hebei, China
| | - Yu Liu
- Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Third Department of Surgery, Shijiazhuang, Hebe, China
| | - Yong Li
- Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Third Department of Surgery, Shijiazhuang, Hebe, China
| | - Qun Zhao
- Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Third Department of Surgery, Shijiazhuang, Hebe, China
| | - Liqiao Fan
- Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Third Department of Surgery, Shijiazhuang, Hebe, China
| | - Zhidong Zhang
- Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Third Department of Surgery, Shijiazhuang, Hebe, China
| | - Dong Wang
- Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Third Department of Surgery, Shijiazhuang, Hebe, China
| | - Xuefeng Zhao
- Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Third Department of Surgery, Shijiazhuang, Hebe, China
| | - Bibo Tan
- Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Third Department of Surgery, Shijiazhuang, Hebe, China
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15
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Tian Y, Lin Y, Guo H, Hu Y, Li Y, Fan L, Zhao X, Wang D, Tan B, Zhao Q. Safety and efficacy of carbon nanoparticle suspension injection and indocyanine green tracer-guided lymph node dissection during robotic distal gastrectomy in patients with gastric cancer. Surg Endosc 2021; 36:3209-3216. [PMID: 34254184 PMCID: PMC9001219 DOI: 10.1007/s00464-021-08630-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 07/05/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND There is a lack of comparative analyses on the use of carbon nanoparticle suspension injection (CNSI) and indocyanine green (ICG) tracer technology for lymph node detection and their perioperative safety in robotic radical gastrectomy. METHODS A retrospective analysis was performed on patients who underwent robotic distal gastrectomy between November 2019 and November 2020. Patients were assigned to the CNSI group, the ICG group, or the control group. The number of lymph nodes detected, number of lymph nodes detected at each station, number of micro lymph nodes detected, rate of lymph node metastasis, and inoperative and postoperative recovery were compared. RESULTS Of the 93 patients analyzed, 34 were in the CNSI group, 27 were in the ICG group, and 32 were in the control group. The mean number of lymph nodes retrieved in the CNSI group (48.44) was higher than that in the ICG (39.19) and control (35.28) groups (P = 0.004; P < 0.001), and there was no difference between the ICG and control groups (P = 0.102). The mean number of micro lymph nodes retrieved in the CNSI group (13.24) was higher than that in the ICG (5.74) and control (5.66) groups (P < 0.001). The lymph node metastasis rates in the CNSI, ICG, and control groups were 5.03, 4.63, and 5.93%, respectively (P > 0.05). CONCLUSION The effect of CNSI on lymph node dissection and sorting was better than that of ICG, and CNSI improved the surgical quality and reduced lymph node staging deviation to a greater extent. CNSI was better than ICG in terms of improving the number of micro lymph nodes detected.
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Affiliation(s)
- Yuan Tian
- Third Surgery Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Yecheng Lin
- Third Surgery Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Honghai Guo
- Third Surgery Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Yiyang Hu
- Third Surgery Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Yong Li
- Third Surgery Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Liqiao Fan
- Third Surgery Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Xuefeng Zhao
- Third Surgery Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Dong Wang
- Third Surgery Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Bibo Tan
- Third Surgery Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Qun Zhao
- Third Surgery Department, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.
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16
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Lu J, Zheng CH, Xu BB, Xie JW, Wang JB, Lin JX, Chen QY, Cao LL, Lin M, Tu RH, Huang ZN, Lin JL, Zheng HL, Huang CM, Li P. Assessment of Robotic Versus Laparoscopic Distal Gastrectomy for Gastric Cancer: A Randomized Controlled Trial. Ann Surg 2021; 273:858-867. [PMID: 32889876 DOI: 10.1097/sla.0000000000004466] [Citation(s) in RCA: 120] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OBJECTIVE To evaluate the short-term outcomes of patients with GC who received RDG or LDG. SUMMARY BACKGROUND DATA Despite the increasing use of RDG in patients with GC, its safety and efficacy compared to those of LDG have not been elucidated in a randomized controlled trial. METHODS Three hundred patients with cT1-4a and N0/+ between September 2017 and January 2020 were enrolled in this randomized controlled trial at a high-volume hospital in China. The short-term outcomes were compared between the groups. RESULTS The modified intention-to-treat analysis included data from 283 patients (RDG group: n = 141) and (LDG group: n = 142). Patients in the RDG group exhibited faster postoperative recovery, milder inflammatory responses, and reduced postoperative morbidity (9.2% vs 17.6%, respectively, P = 0.039). Higher extraperigastric lymph nodes (LNs) were retrieved in the RDG group (17.6 ± 5.8 vs 15.8 ± 6.6, P = 0.018) with lower noncompliance rate (7.7% vs 16.9%, respectively, P = 0.006). Additionally, patients in the RDG group were more likely to initiate adjuvant chemotherapy earlier [median (interquartile range) postoperative days: 28 (24-32) vs 32 (26-42), P = 0.003]. Although total hospital costs were higher in the robotic group than in the laparoscopic group, the direct cost was lower for RDG than for LDG (all P < 0.001). CONCLUSIONS RDG is associated with a lower morbidity rate, faster recovery, milder inflammatory responses, and improved lymphadenectomy. Additionally, faster postoperative recovery in the RDG group enables early initiation of adjuvant chemotherapy. Our results provide evidence for the application of RDG in patients with GC.
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Affiliation(s)
- Jun Lu
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Chao-Hui Zheng
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Bin-Bin Xu
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Jian-Wei Xie
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Jia-Bin Wang
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Jian-Xian Lin
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Qi-Yue Chen
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Long-Long Cao
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Mi Lin
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Ru-Hong Tu
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Ze-Ning Huang
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Ju-Li Lin
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Hua-Long Zheng
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Chang-Ming Huang
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
| | - Ping Li
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, China
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Staderini F, Giudici F, Coratti F, Bisogni D, Cammelli F, Barbato G, Gatto C, Manetti F, Braccini G, Cianchi F. Robotic gastric surgery: a monocentric case series and review of the literature. Minerva Surg 2021; 76:116-123. [PMID: 33908237 DOI: 10.23736/s2724-5691.21.08769-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
INTRODUCTION The technical complexity of D2 lymphadenectomy and esophago-jejunal anastomosis are the main factors that limit the application of laparoscopic surgery in the treatment of gastric cancer. Robotic assisted gastric surgery provides potential technical advantages over conventional laparoscopy but an improvement in clinical outcomes after robotic surgery has not been demonstrated yet. EVIDENCE ACQUISITION Data from 128 consecutive patients who had undergone robotic gastrectomy for gastric cancer at our center institution from April 2017 to June 2020 where retrospectively reviewed from a prospectively updated database. A narrative review was then carried out on PubMed, Embase and Scopus using the following keywords: "gastric cancer," "robotic surgery," "robotic gastrectomy" and "robotic gastric surgery". EVIDENCE SYNTHESIS Ninety-eight patients underwent robotic distal gastrectomy and 30 underwent robotic total gastrectomy. The mean value of estimated blood loss was 99.5 ml. No patients required conversion to laparoscopy or open surgery. The median number of retrieved lymph nodes was 42. No tumor involvement of the proximal or distal margin was found in any patient. The median time to first flatus and first oral feeding was on postoperative day 3 and 5, respectively. We registered 6 leakages (4.6%), namely, 1 duodenal stump leakage and 5 anastomotic leakages. No 30-day surgical related mortality was recorded. The median length of hospital stay was 10.5 days (range 4-37). CONCLUSIONS Published data and our experience suggest that the robotic approach for gastric cancer is safe and feasible with potential advantages over conventional laparoscopy.
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Affiliation(s)
- Fabio Staderini
- Center of Oncological Minimally Invasive Surgery, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy -
| | - Francesco Giudici
- Center of Oncological Minimally Invasive Surgery, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Francesco Coratti
- Center of Oncological Minimally Invasive Surgery, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Damiano Bisogni
- Interventional Endoscopy, Department of Oncology and Robotic Surgery, Careggi University Hospital, Florence, Italy
| | - Francesca Cammelli
- Center of Oncological Minimally Invasive Surgery, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Giuseppe Barbato
- Center of Oncological Minimally Invasive Surgery, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Chiara Gatto
- Center of Oncological Minimally Invasive Surgery, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Federico Manetti
- Center of Oncological Minimally Invasive Surgery, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Giovanni Braccini
- Center of Oncological Minimally Invasive Surgery, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Fabio Cianchi
- Center of Oncological Minimally Invasive Surgery, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
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18
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Nakauchi M, Vos E, Janjigian YY, Ku GY, Schattner MA, Nishimura M, Gonen M, Coit DG, Strong VE. Comparison of Long- and Short-term Outcomes in 845 Open and Minimally Invasive Gastrectomies for Gastric Cancer in the United States. Ann Surg Oncol 2021; 28:3532-3544. [PMID: 33709174 PMCID: PMC8323986 DOI: 10.1245/s10434-021-09798-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 01/12/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND Few Western studies have evaluated the long-term oncologic outcomes of minimally invasive surgery (MIS) approaches to gastrectomy for gastric cancer. This study aimed to compare the outcomes between minimally invasive and open gastrectomies and between laparoscopic and robotic gastrectomies at a high-volume cancer center in the United States. METHODS The study analyzed data for all patients undergoing curative gastrectomy for gastric adenocarcinoma from January 2007 to June 2017. Postoperative complications and disease-specific survival (DSS) were compared between surgical approaches. RESULTS The median follow-up period for the 845 patients in this study was 38.5 months. The stage-stratified 5-year DSS did not differ significantly between open surgery (n = 534) and MIS (n = 311). The MIS approach resulted in significantly fewer complications, as confirmed by adjusted comparison (odds ratio [OR], 0.70; range, 0.49-1.00; p = 0.049). After adjustment, the two groups did not differ in terms of DSS (hazard ratio [HR], 0.83; range, 0.55-1.25; p = 0.362). The robotic operations (n = 190) had fewer conversions to open procedure (p = 0.010), a shorter operative time (212 vs 240 min; p < 0.001), more dissected nodes (27 vs 22; p < 0.001), fewer Clavien-Dindo grade ≥3 complications (5.8% vs 13.2%; p = 0.023), and a shorter postoperative stay (5 vs 6 days; p = 0.045) than the laparoscopic operations (n = 121). The DSS rate did not differ between the laparoscopic and robotic groups. CONCLUSION The study findings demonstrated the long-term survival and oncologic equivalency of MIS gastrectomy and the open approach in a Western cohort, supporting the use of MIS at centers that have adequate experience with appropriately selected patients.
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Affiliation(s)
- Masaya Nakauchi
- Gastric and Mixed Tumor Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Elvira Vos
- Gastric and Mixed Tumor Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Yelena Y Janjigian
- Gastrointestinal Oncology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Geoffrey Y Ku
- Gastrointestinal Oncology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Mark A Schattner
- Gastroenterology, Hepatology, and Nutrition Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Makoto Nishimura
- Gastroenterology, Hepatology, and Nutrition Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Mithat Gonen
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Daniel G Coit
- Gastric and Mixed Tumor Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Vivian E Strong
- Gastric and Mixed Tumor Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
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Incidence and risk factors of postoperative complications after robotic gastrectomy for gastric cancer: an analysis of 817 cases based on 10-year experience in a large-scale center. Surg Endosc 2021; 35:7034-7041. [PMID: 33492501 DOI: 10.1007/s00464-020-08218-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 12/03/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND In this study, we investigated the incidence and risk factors for postoperative complications after robotic gastrectomy (RG) in patients with gastric cancer. METHODS A total of 817 patients who underwent RG for gastric cancer between March 2010 and August 2019 were analyzed retrospectively. Postoperative complications were categorized according to the Clavien-Dindo classification, and possible risk factors were evaluated. RESULTS Among 817 patients who underwent RG, overall, severe, local and systemic complication rates were 13.8, 4.2, 7.0 and 6.9%, respectively. Multivariable analysis revealed that an age of 70 years or older (P < 0.001) and multiorgan resection (P = 0.031) were independent risk factors for the occurrence of overall complications. Multivariable analysis showed that an age of 70 years or older (P = 0.005) and surgeons' experience ≤ 25 cases (P = 0.004) were independent risk factors for severe complications. Regarding local complications, an age of 70 years or older (P < 0.001), multiorgan resection (P = 0.010) and surgeons' experience ≤ 25 cases (P = 0.005) were identified as independent risk factors. An age of 70 years or older (P < 0.001), a BMI of 25 or higher (P = 0.045) and the presence of comorbidity (P = 0.029) were identified as independent risk factors for systemic complications. CONCLUSIONS The present study demonstrated that RG is a safe and feasible procedure for the treatment of gastric cancer, and it has an acceptable postoperative morbidity. Elderly patients and insufficient surgeon experience were two major risk factors for the occurrence of complications following RG. We suggest that surgeons choose patients in good condition during their RG learning phase to reduce learning-associated morbidity.
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20
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Romanzi A, Mancini R, Ioni L, Picconi T, Pernazza G. ICG-NIR-guided lymph node dissection during robotic subtotal gastrectomy for gastric cancer. A single-centre experience. Int J Med Robot 2021; 17:e2213. [PMID: 33372409 DOI: 10.1002/rcs.2213] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 11/05/2020] [Accepted: 12/21/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND Near-infrared (NIR) fluorescence imaging with indocyanine green (ICG) allows intraoperative visualisation of the lymph nodes (LNs) draining the tumour. METHODS We included in our study 20 patients who underwent robotic subtotal gastrectomy + D2 lymphadenectomy for gastric cancer. In 10 cases, intraoperative ICG-guided lymphography has been used (Group A). We compared the number of LNs retrieved with the use of NIR imaging and the number of LNs retrieved without the use of this technique (Group B, historical group). RESULTS No complications related to ICG injection or near-infrared imaging were observed. The mean number of overall LNs retrieved was significantly greater in Group A than in group B (40 vs. 24). No statistically significant difference in operative time was observed. CONCLUSIONS ICG-guided fluorescent lymphography can help in performing a more accurate locoregional lymphadenectomy during robotic subtotal gastrectomy for gastric cancer. This technique represents a precious contribution to gastric cancer surgery.
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Affiliation(s)
- Andrea Romanzi
- Department of General Surgery, Ospedale Valduce, Como, Italy
| | - Raffaello Mancini
- Department of Robotic General Surgery, Azienda Ospedaliera San Giovanni Addolorata, Rome, Italy
| | - Luigi Ioni
- Department of Robotic General Surgery, Azienda Ospedaliera San Giovanni Addolorata, Rome, Italy
| | - Tullio Picconi
- Department of Robotic General Surgery, Azienda Ospedaliera San Giovanni Addolorata, Rome, Italy
| | - Graziano Pernazza
- Department of Robotic General Surgery, Azienda Ospedaliera San Giovanni Addolorata, Rome, Italy
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21
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Kim YM, Hyung WJ. Current status of robotic gastrectomy for gastric cancer: comparison with laparoscopic gastrectomy. Updates Surg 2021; 73:853-863. [PMID: 33394356 DOI: 10.1007/s13304-020-00958-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/21/2020] [Indexed: 12/24/2022]
Abstract
Robotic systems were developed to overcome limitations of laparoscopic surgery with its mechanical advantages. Along with the technical advances, robotic gastrectomy for gastric cancer is increasing. However, the evidence regarding safety and efficacy for robotic gastrectomy for gastric cancer is not mature yet. Although studies are limited, it is evident that robotic gastrectomy has a longer operation and less blood loss compared with laparoscopic gastrectomy. Studies revealed long-term oncological outcomes after robotic gastrectomy was comparable to those after laparoscopic gastrectomy. Taken together, robotic gastrectomy with systemic lymph node dissection is suggested as a safe procedure with equivalent short- and long-term oncologic outcomes to either laparoscopic or open gastrectomy for the surgical treatment of gastric cancer. However, high cost is the most significant barrier to justify robotic surgery as a routine and standard treatment for patients with gastric cancer. In the meanwhile, robotic surgery will be expansively used as long as technologic developments continue.
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Affiliation(s)
- Yoo Min Kim
- Department of Surgery, Yonsei University College of Medicine, 50 Yonsei-ro Seodaemun-gu, Seoul, 03722, South Korea
| | - Woo Jin Hyung
- Department of Surgery, Yonsei University College of Medicine, 50 Yonsei-ro Seodaemun-gu, Seoul, 03722, South Korea.
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22
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Ma J, Li X, Zhao S, Zhang R, Yang D. Robotic versus laparoscopic gastrectomy for gastric cancer: a systematic review and meta-analysis. World J Surg Oncol 2020; 18:306. [PMID: 33234134 PMCID: PMC7688002 DOI: 10.1186/s12957-020-02080-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 11/09/2020] [Indexed: 12/16/2022] Open
Abstract
Background To date, robotic surgery has been widely used worldwide. We conducted a systematic review and meta-analysis to evaluate short-term and long-term outcomes of robotic gastrectomy (RG) in gastric cancer patients to determine whether RG can replace laparoscopic gastrectomy (LG). Methods The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement was applied to perform the study. Pubmed, Cochrane Library, WanFang, China National Knowledge Infrastructure (CNKI), and VIP databases were comprehensively searched for studies published before May 2020 that compared RG with LG. Next, two independent reviewers conducted literature screening and data extraction. The quality of the literature was assessed using the Newcastle-Ottawa Scale (NOS), and the data analyzed using the Review Manager 5.3 software. Random effects or fixed effects models were applied according to heterogeneity. Results A total of 19 studies including 7275 patients were included in the meta-analyses, of which 4598 patients were in the LG group and 2677 in the RG group. Compared with LG, RG was associated with longer operative time (WMD = −32.96, 95% CI −42.08 ~ −23.84, P < 0.001), less blood loss (WMD = 28.66, 95% CI 18.59 ~ 38.73, P < 0.001), and shorter time to first flatus (WMD = 0.16 95% CI 0.06 ~ 0.27, P = 0.003). There was no significant difference between RG and LG in terms of the hospital stay (WMD = 0.23, 95% CI −0.53 ~ 0.98, P = 0.560), overall postoperative complication (OR = 1.07, 95% CI 0.91 ~ 1.25, P = 0.430), mortality (OR = 0.67, 95% CI 0.24 ~ 1.90, P = 0.450), the number of harvested lymph nodes (WMD = −0.96, 95% CI −2.12 ~ 0.20, P = 0.100), proximal resection margin (WMD = −0.10, 95% CI −0.29 ~ 0.09, P = 0.300), and distal resection margin (WMD = 0.15, 95% CI −0.21 ~ 0.52, P = 0.410). No significant differences were found between the two treatments in overall survival (OS) (HR = 0.95, 95% CI 0.76 ~ 1.18, P = 0.640), recurrence-free survival (RFS) (HR = 0.91, 95% CI 0.69 ~ 1.21, P = 0.530), and recurrence rate (OR = 0.90, 95% CI 0.67 ~ 1.21, P = 0.500). Conclusions The results of this study suggested that RG is as acceptable as LG in terms of short-term and long-term outcomes. RG can be performed as effectively and safely as LG. Moreover, more randomized controlled trials comparing the two techniques with rigorous study designs are still essential to evaluate the value of the robotic surgery for gastric cancer. Supplementary Information Supplementary information accompanies this paper at 10.1186/s12957-020-02080-7.
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Affiliation(s)
- Jianglei Ma
- Student of the Third Brigade, College of Basic Medical Sciences, Naval Medical University, No. 800 Xiangyin Road, Yangpu District, Shanghai, 200433, China
| | - Xiaoyao Li
- Student of the Third Brigade, College of Basic Medical Sciences, Naval Medical University, No. 800 Xiangyin Road, Yangpu District, Shanghai, 200433, China
| | - Shifu Zhao
- Student of the Third Brigade, College of Basic Medical Sciences, Naval Medical University, No. 800 Xiangyin Road, Yangpu District, Shanghai, 200433, China
| | - Ruifu Zhang
- Student of the Third Brigade, College of Basic Medical Sciences, Naval Medical University, No. 800 Xiangyin Road, Yangpu District, Shanghai, 200433, China
| | - Dejun Yang
- Department of Gastrointestinal Surgery, Changzheng Hospital, Naval Medical University, No. 415 Fengyang Road, Huangpu District, Shanghai, 200003, China.
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23
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Robotic surgery for gastric cancer in the west: A systematic review and meta-analyses of short-and long-term outcomes. Int J Surg 2020; 83:170-175. [DOI: 10.1016/j.ijsu.2020.08.055] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/07/2020] [Accepted: 08/24/2020] [Indexed: 12/16/2022]
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24
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Cianchi F, Indennitate G, Paoli B, Ortolani M, Lami G, Manetti N, Tarantino O, Messeri S, Foppa C, Badii B, Novelli L, Skalamera I, Nelli T, Coratti F, Perigli G, Staderini F. The Clinical Value of Fluorescent Lymphography with Indocyanine Green During Robotic Surgery for Gastric Cancer: a Matched Cohort Study. J Gastrointest Surg 2020; 24:2197-2203. [PMID: 31485904 DOI: 10.1007/s11605-019-04382-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 08/26/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Near-infrared (NIR) fluorescence imaging with indocyanine green (ICG) has been recently introduced for lymphatic mapping in several tumors. We aimed at investigating whether this technology may improve the intraoperative visualization of lymph nodes during robotic gastrectomy for gastric cancer. METHODS Between June 2014 and June 2018, a total of 94 patients underwent robotic gastrectomy with D2 lymph node dissection for gastric cancer. In 37 patients, ICG was injected endoscopically into the submucosal layer around the tumor the day before surgery. After propensity score matching, the results of these 37 patients were compared with the results of 37 control patients who had undergone robotic gastrectomy without ICG injection. RESULTS Among the 37 patients within the ICG group, no adverse events related to ICG injection or intraoperative NIR imaging occurred. After completion of D2 lymph node dissection, no residual fluorescent lymph nodes were left in the surgical field. A mean of 19.4 ± 14.7 fluorescent lymph nodes was identified per patient. The mean total number of harvested lymph nodes was significantly higher in the ICG group than in the control group (50.8 vs 40.1, P = 0.03). In the ICG group, 23 patients had metastatic lymph nodes. The accuracy, sensitivity, and specificity of ICG fluorescence for metastatic lymph nodes were 62.2%, 52.6%, and 63.0%, respectively. CONCLUSION Our study indicates that NIR imaging with ICG may provide additional node detection during robotic surgery for gastric cancer. Unfortunately, this technique failed to show good selectivity for metastatic lymph nodes.
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Affiliation(s)
- Fabio Cianchi
- Center for Oncological Minimally Invasive Surgery (COMIS), Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134, Florence, Italy.
| | | | | | | | - Gabriele Lami
- Gastroenterology Unit, Careggi University Hospital, Florence, Italy
| | - Natalia Manetti
- Gastroenterology Unit, Careggi University Hospital, Florence, Italy
| | | | - Sara Messeri
- Gastroenterology Unit, San Giuseppe Hospital, Empoli, Italy
| | | | - Benedetta Badii
- Center for Oncological Minimally Invasive Surgery (COMIS), Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134, Florence, Italy
| | - Luca Novelli
- Pathology Unit, Careggi University Hospital, Florence, Italy
| | - Ileana Skalamera
- Center for Oncological Minimally Invasive Surgery (COMIS), Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134, Florence, Italy
| | - Tommaso Nelli
- Center for Oncological Minimally Invasive Surgery (COMIS), Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134, Florence, Italy
| | - Francesco Coratti
- Center for Oncological Minimally Invasive Surgery (COMIS), Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134, Florence, Italy
| | - Giuliano Perigli
- Center for Oncological Minimally Invasive Surgery (COMIS), Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134, Florence, Italy
| | - Fabio Staderini
- Center for Oncological Minimally Invasive Surgery (COMIS), Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134, Florence, Italy
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Almatroodi SA, Almatroudi A, Alsahli MA, Khan AA, Rahmani AH. Thymoquinone, an Active Compound of Nigella sativa: Role in Prevention and Treatment of Cancer. Curr Pharm Biotechnol 2020; 21:1028-1041. [DOI: 10.2174/1389201021666200416092743] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 11/30/2019] [Accepted: 02/11/2020] [Indexed: 12/18/2022]
Abstract
Background:
Cancer is the leading cause of death worldwide and the current mode of cancer
treatment causes side effects on normal cells and are still the key challenges in its’ treatment. However,
natural products or active compounds of medicinal plants have shown to be safe, affordable, and
effective in diseases cure.
Methods:
In this context, scientific studies evidence the health-promoting effects of natural products,
which work through its anti-oxidant, anti-inflammatory, and anti-cancer activity. Thymoquinone (TM),
a predominant active compound of Nigella sativa, has confirmed anti-neoplastic activity through its
ability to regulate various genetic pathways. In addition, thymoquinone has established anti-cancerous
effects through killing of various cancerous cells,and inhibiting the initiation, migration, invasion, and
progression of the cancer. The anti-cancer effects of TM are chiefly mediated via regulating various
cell signaling pathways such as VEGF, bcl2/bax ratio, p53, NF-kB, and oncogenes.
Results:
The anti-cancer drugs have limitations in efficacy and also causes adverse side effects on
normal cells. The combination of anti-cancer drugs and thymoquinone improves the efficacy of drugs
which is evident by decrease resistance to drugs and regulation of various cell signaling pathways.
Moreover, combination of anti-cancer drugs as well as thymoquinone shows synergistic effect on killing
of cancer cells and cells viability. Thus, TM, in combination with anti-cancer drugs, can be a good
strategy in the management of various types of cancer.
Conclusion:
In this review article, we deliver an outline of thymoquinone role in cancer inhibition and
prevention of cancer-based on in vivo and in vitro studies. Further studies on thymoquinone based on
clinical trials are highly required to explore the benefits of thymoquinone in cancer management.
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Affiliation(s)
- Saleh A. Almatroodi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraidah, Saudi Arabia
| | - Ahmad Almatroudi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraidah, Saudi Arabia
| | - Mohammed A. Alsahli
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraidah, Saudi Arabia
| | - Amjad A. Khan
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraidah, Saudi Arabia
| | - Arshad H. Rahmani
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraidah, Saudi Arabia
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Guerrini GP, Esposito G, Magistri P, Serra V, Guidetti C, Olivieri T, Catellani B, Assirati G, Ballarin R, Di Sandro S, Di Benedetto F. Robotic versus laparoscopic gastrectomy for gastric cancer: The largest meta-analysis. Int J Surg 2020; 82:210-228. [PMID: 32800976 DOI: 10.1016/j.ijsu.2020.07.053] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 07/17/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Minimally invasive surgery (MIS) has been increasingly used in the treatment of gastric cancer (GC). Laparoscopic gastrectomy (LG) has shown several advantages over open surgery in dealing with GC, although it is still considered a demanding procedure. Robotic gastrectomy (RG) is now being employed with increased frequency worldwide and has been reported to overcome some limitations of conventional LG. The aim of this updated meta-analysis is to compare surgical and oncological outcomes of RG versus LG for gastric cancer. MATERIALS AND METHODS A systematic review and meta-analysis was conducted using the PubMed, MEDLINE and Cochrane library database of published studies comparing RG and LG up to March 2020. The evaluated end-points were intra-operative, post-operative and oncological outcomes. Dichotomous data were calculated by odds ratio (OR) and continuous data were calculated by mean difference (MD) with 95% confidence intervals (95% CI), and a random-effect model was always applied. RESULTS Forty retrospective studies describing 17,712 patients met the inclusion criteria. With respect to surgical outcomes, robotic compared with laparoscopic gastrectomy was associated with higher operating time [MD 44.73, (95%CI 36.01, 53.45) p < 0.00001] and less intraoperative blood loss [MD -18.24, (95%CI -25.21, -11.26) p < 0.00001] and lower rate of surgical complication in terms of Dindo-Clavien ≥ 3 classification [OR 0.66, (95%CI 0.49, 0.88) p = 0.005]. With respect to oncological outcomes, the RG group showed a significantly increased mean number of retrieved lymph nodes [MD 1.84, (95%CI 0.84, 2.84) p = 0.0003], but mean proximal and distal resection margin distance and the recurrence rate were not significantly different between the two approaches. CONCLUSIONS With respect to safety, technical feasibility and oncological adequacy, robotic and laparoscopic groups were comparable, although the robotic approach seems to achieve better short-term surgical outcomes. Moreover, a higher rate of retrieved lymph nodes was observed in the RG group.
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Zheng-Yan L, Yong-Liang Z, Feng Q, Yan S, Pei-Wu Y. Morbidity and short-term surgical outcomes of robotic versus laparoscopic distal gastrectomy for gastric cancer: a large cohort study. Surg Endosc 2020; 35:3572-3583. [PMID: 32780230 DOI: 10.1007/s00464-020-07820-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 07/10/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Robotic distal gastrectomy (RDG) has been increasingly used for the treatment of gastric cancer in recent year. However, whether RDG could reduce the morbidity when compared to laparoscopic distal gastrectomy (LDG) remains controversial. This study aimed to compare the morbidity and short-term surgical outcomes of RDG and LDG for gastric cancer and identify the related risk factors. METHODS Between March 2010 and August 2019, consecutive patients undergoing RDG or LDG (519 and 957 patients, respectively) at our institution were included in this study. Postoperative complications were stratified according to the Clavien-Dindo (C-D) classification. We performed one-to-one propensity score matching (PSM) analysis, and evaluated postoperative morbidity and short-term surgical outcomes in PSM 1032 patients undergoing RDG or LDG. RESULTS After PSM, the two groups were well-balanced. The mean blood loss of the RDG group was about 27 mL less than that of the LDG group (112.1 vs 139.0 mL, P < 0.001). The RDG group had more retrieved lymph nodes than that in the LDG group (32.7 v 30.2, P < 0.001). The RDG group showed a similar overall (9.9% vs 10.7%, P = 0.682), severe (2.7% vs 3.7%, P = 0.376), local (5.6% vs 5.2%, P = 0.783), and systemic complication rates (5.4% vs 6.0%, P = 0.688). There were no significant differences in mortality between the two groups (RDG 0% vs LDG 0.2%, P = 1.000). Subgroup analyses showed no significant differences in most stratified parameters. Age > 65 years and ASA III were identified as two major risk factors for complications. CONCLUSION RDG could be a safe and feasible in treating gastric cancer compared to LDG. However, we did not observe significant reduction in postoperative complications of RDG compared with LDG, although the use of robotic system is assumed to provide a technically superior operative environment.
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Affiliation(s)
- Li Zheng-Yan
- Department of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No. 30 Gao Tan Yan Road, Chongqing, 400038, China
| | - Zhao Yong-Liang
- Department of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No. 30 Gao Tan Yan Road, Chongqing, 400038, China.
| | - Qian Feng
- Department of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No. 30 Gao Tan Yan Road, Chongqing, 400038, China
| | - Shi Yan
- Department of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No. 30 Gao Tan Yan Road, Chongqing, 400038, China
| | - Yu Pei-Wu
- Department of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No. 30 Gao Tan Yan Road, Chongqing, 400038, China.
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Qiu H, Ai JH, Shi J, Shan RF, Yu DJ. Effectiveness and safety of robotic versus traditional laparoscopic gastrectomy for gastric cancer: An updated systematic review and meta-analysis. J Cancer Res Ther 2020; 15:1450-1463. [PMID: 31939422 DOI: 10.4103/jcrt.jcrt_798_18] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Gastrectomy is considered the gold standard treatment for gastric cancer patients. Currently, there are two minimally invasive surgical methods to choose from, robotic gastrectomy (RG) and laparoscopic gastrectomy (LG). Nevertheless, it is still unclear which is superior between the two. This meta-analysis aimed to investigate the effectiveness and safety of RG and LG for gastric cancer. A systematic literature search was performed using PubMed, Embase, and the Cochrane Library databases until September 2018 in studies that compared RG and LG in gastric cancer patients. Operative and postoperative outcomes analyzed were assessed. The quality of the evidence was rated using the Grading of Recommendations, Assessment, Development and Evaluations. Twenty-four English studies were analyzed. The meta-analysis revealed that the RG group had a significantly longer operation time, lower intraoperative blood loss, and higher perioperative costs compared to the LG group. However, there were no differences in complications, conversion rate, reoperation rate, mortality, number of lymph nodes harvested, days of first flatus, postoperative hospitalization time, and survival rate between the two groups. RG was shown to be associated with decreased intraoperative blood loss and increased perioperative cost and operation time compared to LG. Several higher-quality original studies and prospective clinical trials are required to confirm the advantages of RG.
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Affiliation(s)
- Hua Qiu
- Department of General Surgery, The First Affiliated Hospital of Nanchang University; Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Jun-Hua Ai
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Jun Shi
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Ren-Feng Shan
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Dong-Jun Yu
- Department of Anesthesiology, Jiangxi Cancer Hospital, The Second People's Hospital of Jiangxi Province, Nanchang, Jiangxi Province, China
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Roh CK, Choi S, Seo WJ, Cho M, Choi YY, Son T, Hyung WJ, Kim HI. Comparison of surgical outcomes between integrated robotic and conventional laparoscopic surgery for distal gastrectomy: a propensity score matching analysis. Sci Rep 2020; 10:485. [PMID: 31949219 PMCID: PMC6965606 DOI: 10.1038/s41598-020-57413-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 12/30/2019] [Indexed: 02/06/2023] Open
Abstract
This study was aimed to compare the surgical outcomes between conventional laparoscopic distal gastrectomy (CLDG) and integrated robotic distal gastrectomy (IRDG) which used both Single-Site platform and fluorescence image-guided surgery technique simultaneously. Retrospective data of 56 patients who underwent IRDG and 152 patients who underwent CLDG were analyzed. Propensity score matching analysis was performed to control selection bias using age, sex, American Society of Anesthesiologists score, and body mass index. Fifty-one patients were selected for each group. Surgical success was defined as the absence of open conversion, readmission, major complications, positive resection margin, and inadequate lymph node retrieval (<16). Patients characteristics and surgical outcomes of IRDG group were comparable to those of CLDG group, except longer operation time (159.5 vs. 131.7 min; P < 0.001), less blood loss (30.7 vs. 73.3 mL; P = 0.004), higher number of retrieved lymph nodes (LNs) (50.4 vs. 41.9 LNs; P = 0.025), and lower readmission rate (2.0 vs. 15.7%; P = 0.031). Surgical success rate was higher in IRDG group compared to CLDG group (98.0 vs. 82.4%; P = 0.008). In conclusion, this study found that IRDG provides the benefits of higher number of retrieved LNs, less blood loss, and lower readmission rate compared with CLDG in patients with early gastric cancer.
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Affiliation(s)
- Chul Kyu Roh
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
- Department of Surgery, Ajou University School of Medicine, Suwon, Korea
| | - Seohee Choi
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Won Jun Seo
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
- Department of Surgery, Korea University College of Medicine, Seoul, Korea
| | - Minah Cho
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Yoon Young Choi
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
- Gastric Cancer Center, Yonsei Cancer Center, Seoul, Korea
| | - Taeil Son
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
- Gastric Cancer Center, Yonsei Cancer Center, Seoul, Korea
| | - Woo Jin Hyung
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
- Gastric Cancer Center, Yonsei Cancer Center, Seoul, Korea
| | - Hyoung-Il Kim
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea.
- Gastric Cancer Center, Yonsei Cancer Center, Seoul, Korea.
- Open NBI Convergence Technology Research Laboratory, Severance Hospital, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Korea.
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30
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Ye SP, Shi J, Liu DN, Jiang QG, Lei X, Qiu H, Li TY. Robotic-assisted versus conventional laparoscopic-assisted total gastrectomy with D2 lymphadenectomy for advanced gastric cancer: short-term outcomes at a mono-institution. BMC Surg 2019; 19:86. [PMID: 31288775 PMCID: PMC6617620 DOI: 10.1186/s12893-019-0549-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 06/27/2019] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Robotic-assisted surgery, a developed technology, is becoming more and more accepted by surgeons. However, the comparison between robotic-assisted total gastrectomy (RATG) and conventional laparoscopy-assisted total gastrectomy (LATG) for advanced gastric cancer (AGC) is seldom reported, or usually the sample sizes reported are small. The current research was designed to compare the short-term outcomes of RATG and LATG with D2 lymphadenectomy for AGC in a mono-institution from China. METHODS A total of 205 patients from June 2015 to October 2018 were included in this study. Among them, 106 patients underwent LATG, and 99 patients underwent RATG. The patients' clinicopathological characteristics, surgical performance and short-term outcomes were retrospectively analyzed. RESULTS The clinicopathological characteristics showed no difference between the LATG group and the RATG group. However, compared with the LATG group, the operation time was longer (P = 0.000), and the operative blood loss (P = 0.000) and the volume of abdominal drainage was less (P = 0.000) in the RATG group. Moreover, the RATG took less time to remove abdominal drainage tube than LATG (P = 0.000). The plasma levels of CRP at 72 h post-operation was lower (P = 0.000), and the number of retrieved lymph nodes was more (P = 0.000) in the RATG group. Nevertheless, the postoperative length of stay (P = 0.890), the time to first flatus (P = 0.448), the postoperative complication (P = 0.915) and the visual analogue pain score at 24 h post-operation (P = 0.457) were comparable between the two groups. CONCLUSIONS RATG with D2 lymphadenectomy shows safety and feasibility for AGC and could be served as an alternative treatment for AGC in the future.
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Affiliation(s)
- Shan-Ping Ye
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang, 330006, Jiangxi, China.,Medical College of Nanchang University, No. 461 Bayi avenue, Nanchang, 330006, Jiangxi, China
| | - Jun Shi
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang, 330006, Jiangxi, China
| | - Dong-Ning Liu
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang, 330006, Jiangxi, China
| | - Qun-Guang Jiang
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang, 330006, Jiangxi, China
| | - Xiong Lei
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang, 330006, Jiangxi, China
| | - Hua Qiu
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang, 330006, Jiangxi, China
| | - Tai-Yuan Li
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang, 330006, Jiangxi, China.
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Abstract
Gastrectomy is the mainstay treatment for gastric cancer. To reduce the associated patient burden, minimally invasive gastrectomy was introduced in almost 30 years ago. The increase in the availability of surgical robotic systems led to the first robotic-assisted gastrectomy to be performed in 2002 in Japan. Robotic gastrectomy however, particularly in Europe, has not yet gained significant traction. Most reports to date are from Asia, predominantly containing observational studies. These cohorts are commonly different in the tumour stage, location (particularly with regards to gastroesophageal junctional tumours) and patient BMI compared to those encountered in Europe. To date, no randomised clinical trials have been performed comparing robotic gastrectomy to either laparoscopic or open equivalent. Cohort studies show that robotic gastrectomy is equal oncological outcomes in terms of survival and lymph node yield. Operative times in the robotic group are consistently longer compared to laparoscopic or open gastrectomy, although evidence is emerging that resectional surgical time is equal. The only reproducibly significant difference in favour of robot-assisted gastrectomy is a reduction in intra-operative blood loss and some studies show a reduction in the risk of pancreatic fistula formation.
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32
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Guerra F, Giuliani G, Formisano G, Bianchi PP, Patriti A, Coratti A. Pancreatic Complications After Conventional Laparoscopic Radical Gastrectomy Versus Robotic Radical Gastrectomy: Systematic Review and Meta-Analysis. J Laparoendosc Adv Surg Tech A 2018; 28:1207-1215. [PMID: 29733241 DOI: 10.1089/lap.2018.0159] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Recent reports have suggested that the use of the robot might reduce the rate of pancreatic complications following minimally invasive radical gastrectomy. METHODS By meta-analyzing the available literature, we aimed to elucidate possible differences between conventional laparoscopic and robotic radical gastrectomy on pancreatic morbidity. RESULTS More than 2000 patients from eight studies were eventually included in the analysis. The overall incidence of postoperative pancreatic complications was 2.2%, being 1.7% and 2.5% following robotic and laparoscopic gastrectomy (LG), respectively. In particular, pancreatic fistula occurred in 2.7% of patients receiving robotic gastrectomy (RG) and 3.8% of patients receiving laparoscopy. CONCLUSIONS The use of the robot showed a trend toward better outcomes compared with laparoscopy, despite the presence of more advanced disease and higher body mass index. The meta-analysis resulted in an odd ratio of 0.8 favoring RG over LG on pancreatic morbidity, although without statistical significance.
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Affiliation(s)
- Francesco Guerra
- 1 Division of General, Oncological, and Vascular Surgery, Ospedali Riuniti Marche Nord , Pesaro, Italy
- 2 Division of Oncological and Robotic General Surgery, Careggi University Hospital , Florence, Italy
| | - Giuseppe Giuliani
- 3 Division of General and Minimally Invasive surgery, Misericordia Hospital , Grosseto, Italy
| | - Giampaolo Formisano
- 3 Division of General and Minimally Invasive surgery, Misericordia Hospital , Grosseto, Italy
| | - Paolo Pietro Bianchi
- 3 Division of General and Minimally Invasive surgery, Misericordia Hospital , Grosseto, Italy
| | - Alberto Patriti
- 1 Division of General, Oncological, and Vascular Surgery, Ospedali Riuniti Marche Nord , Pesaro, Italy
| | - Andrea Coratti
- 2 Division of Oncological and Robotic General Surgery, Careggi University Hospital , Florence, Italy
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An JY, Kim SM, Ahn S, Choi MG, Lee JH, Sohn TS, Bae JM, Kim S. Successful Robotic Gastrectomy Does Not Require Extensive Laparoscopic Experience. J Gastric Cancer 2018; 18:90-98. [PMID: 29629224 PMCID: PMC5881014 DOI: 10.5230/jgc.2018.18.e10] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 03/26/2018] [Accepted: 03/26/2018] [Indexed: 01/12/2023] Open
Abstract
Purpose We evaluated the learning curve and short-term surgical outcomes of robot-assisted distal gastrectomy (RADG) performed by a single surgeon experienced in open, but not laparoscopic, gastrectomy. We aimed to verify the feasibility of performing RADG without extensive laparoscopic experience. Materials and Methods Between July 2012 and December 2016, 60 RADG procedures were performed by a single surgeon using the da Vinci® Surgical System (Intuitive Surgical). Patient characteristics, the length of the learning curve, surgical parameters, and short-term postoperative outcomes were analyzed and compared before and after the learning curve had been overcome. Results The duration of surgery rapidly decreased from the first to the fourth case; after 25 procedures, the duration of surgery was stabilized, suggesting that the learning curve had been overcome. Cases were divided into 2 groups: 25 cases before the learning curve had been overcome (early cases) and 35 later cases. The mean duration of surgery was 420.8 minutes for the initial cases and 281.7 minutes for the later cases (P<0.001). The console time was significantly shorter during the later cases (168.6 minutes) than during the early cases (247.1 minutes) (P<0.001). Although the volume of blood loss during surgery declined over time, there was no significant difference between the early and later cases. No other postoperative outcomes differed between the 2 groups. Pathology reports revealed the presence of mucosal invasion in 58 patients and submucosal invasion in 2 patients. Conclusions RADG can be performed safely with acceptable surgical outcomes by experts in open gastrectomy.
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Affiliation(s)
- Ji Yeong An
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Su Mi Kim
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Soohyun Ahn
- Statistics and Data Center, Research Institute for Future Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.,Department of Mathematics, Ajou University, Suwon, Korea
| | - Min-Gew Choi
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jun-Ho Lee
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Tae Sung Sohn
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jae-Moon Bae
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sung Kim
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Chen Y, Zhang G, Chen X, Jiang X, Bie F, Yuan N, Wang Y, Hao X, Ma M. Jianpi Bushen, a Traditional Chinese Medicine Therapy, Combined with Chemotherapy for Gastric Cancer Treatment: A Meta-Analysis of Randomized Controlled Trials. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2018; 2018:4924279. [PMID: 29675052 PMCID: PMC5838433 DOI: 10.1155/2018/4924279] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 11/23/2017] [Accepted: 12/21/2017] [Indexed: 11/24/2022]
Abstract
Objective. To investigate the effects of Jianpi Bushen (JPBS), a traditional Chinese medicine that is used to invigorate the spleen and tonify the kidney, combined with chemotherapy for the treatment of gastric cancer. Methods. Literature retrieval was performed in PubMed, EMBASE, Cochrane Library, MEDLINE, CNKI, Wanfang Data Information Site, and VIP from inception to October 2017. Randomized controlled trials to evaluate the effects of JPBS combined with chemotherapy were identified. The primary reported outcomes were KPS (Karnofsky Performance Status), clinical curative efficiency, immune function, blood system, and nonhematologic system. Review Manager 5.3 (RevMan 5.3) was used for data analysis, and the quality of the studies was also appraised. Results. A total of 26 studies were included with 3098 individuals. The results of the meta-analysis indicated that treatment of gastric cancer with the combination of JPBS and chemotherapy resulted in better outcomes compared to chemotherapy alone. Conclusion. Evidence from the meta-analysis suggested that JPBS combined with chemotherapy has a positive effect on gastric cancer treatment. However, additional rigorously designed and large sample randomized controlled trials are required to confirm the efficacy and safety of this treatment.
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Affiliation(s)
- Yunbo Chen
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, China
| | - Guijuan Zhang
- The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510630, China
| | - Xiaoping Chen
- Wuning County People's Hospital, Jiujiang, Jiangxi 332300, China
| | - Xuefeng Jiang
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, China
| | - Fengjie Bie
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, China
| | - Naijun Yuan
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, China
| | - Yurong Wang
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, China
| | - Xiaoqian Hao
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, China
| | - Min Ma
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, China
- The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510630, China
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Nakauchi M, Uyama I, Suda K, Mahran M, Nakamura T, Shibasaki S, Kikuchi K, Kadoya S, Inaba K. Robotic surgery for the upper gastrointestinal tract: Current status and future perspectives. Asian J Endosc Surg 2017; 10:354-363. [PMID: 29076277 DOI: 10.1111/ases.12437] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 09/29/2017] [Accepted: 09/13/2017] [Indexed: 12/19/2022]
Abstract
More than 4000 da Vinci Surgical Systems have been installed worldwide. Robotic surgery using the da Vinci Surgical System has been increasingly performed in the last decade, especially in urology and gynecology. The da Vinci Surgical System has not become standard in surgery of the upper gastrointestinal tract because of a lack of clear benefits in comparison with conventional minimally invasive surgery. We initiated robotic gastrectomy and esophagectomy for patients with upper gastrointestinal cancer in 2009, and we have demonstrated the potential advantages of the da Vinci Surgical System in reducing postoperative local complications after gastrectomy and recurrent laryngeal nerve palsy after esophagectomy. However, robotic surgery has the disadvantages of a longer operative time and higher costs than the conventional approach. In this review article, we present the current status of robotic surgery for gastric and esophageal cancer, as well as future perspectives on this approach, based on our experience and a review of the literature.
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Affiliation(s)
- Masaya Nakauchi
- Department of Surgery, Fujita Health University, Toyoake, Japan
| | - Ichiro Uyama
- Department of Surgery, Fujita Health University, Toyoake, Japan
| | - Koichi Suda
- Cancer Center, School of Medicine, Keio University, Tokyo, Japan
| | - Mohamed Mahran
- Department of Surgery, Fujita Health University, Toyoake, Japan
| | | | | | - Kenji Kikuchi
- Department of Surgery, Fujita Health University, Toyoake, Japan
| | - Shinichi Kadoya
- Department of Surgery, Fujita Health University, Toyoake, Japan
| | - Kazuki Inaba
- Department of Surgery, Fujita Health University, Toyoake, Japan
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36
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Pan JH, Zhou H, Zhao XX, Ding H, Qin L, Pan YL. Long-term oncological outcomes in robotic gastrectomy versus laparoscopic gastrectomy for gastric cancer: a meta-analysis. Surg Endosc 2017; 31:4244-4251. [PMID: 28963583 DOI: 10.1007/s00464-017-5891-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Accepted: 09/13/2017] [Indexed: 12/21/2022]
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37
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Chen K, Pan Y, Zhang B, Maher H, Wang XF, Cai XJ. Robotic versus laparoscopic Gastrectomy for gastric cancer: a systematic review and updated meta-analysis. BMC Surg 2017; 17:93. [PMID: 28836986 PMCID: PMC5571509 DOI: 10.1186/s12893-017-0290-2] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2017] [Accepted: 08/17/2017] [Indexed: 02/07/2023] Open
Abstract
Background Advanced minimally invasive techniques including robotic surgery are being employed with increasing frequency around the world, primarily in order to improve the surgical outcomes of laparoscopic gastrectomy (LG). We conducted a systematic review and meta-analysis to evaluate the feasibility, safety and efficacy of robotic gastrectomy (RG). Methods Studies, which compared surgical outcomes between LG and RG, were retrieved from medical databases before May 2017. Outcomes of interest were estimated as weighted mean difference (WMD) or risk ratio (RR) using the random-effects model. The software Review Manage version 5.1 was used for all calculations. Results Nineteen comparative studies with 5953 patients were included in this analysis. Compared with LG, RG was associated with longer operation time (WMD = −49.05 min; 95% CI: -58.18 ~ −39.91, P < 0.01), less intraoperative blood loss (WMD = 24.38 ml; 95% CI: 12.32 ~ 36.43, P < 0.01), earlier time to oral intake (WMD = 0.23 days; 95% CI: 0.13 ~ 0.34, P < 0.01), and a higher expense (WMD = −3944.8 USD; 95% CI: -4943.5 ~ −2946.2, P < 0.01). There was no significant difference between RG and LG regarding time to flatus, hospitalization, morbidity, mortality, harvested lymph nodes, and cancer recurrence. Conclusions RG can be performed as safely as LG. However, it will take more effort to decrease operation time and expense.
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Affiliation(s)
- Ke Chen
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3 East Qingchun Road, Hangzhou, Zhejiang Province, 310016, China
| | - Yu Pan
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3 East Qingchun Road, Hangzhou, Zhejiang Province, 310016, China
| | - Bin Zhang
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3 East Qingchun Road, Hangzhou, Zhejiang Province, 310016, China
| | - Hendi Maher
- School of Medicine, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang Province, 310058, China
| | - Xian-Fa Wang
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3 East Qingchun Road, Hangzhou, Zhejiang Province, 310016, China
| | - Xiu-Jun Cai
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3 East Qingchun Road, Hangzhou, Zhejiang Province, 310016, China.
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Tokunaga M, Kaito A, Sugita S, Watanabe M, Sunagawa H, Kinoshita T. Robotic gastrectomy for gastric cancer. Transl Gastroenterol Hepatol 2017; 2:57. [PMID: 28616612 PMCID: PMC5460092 DOI: 10.21037/tgh.2017.05.09] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Accepted: 04/27/2017] [Indexed: 12/11/2022] Open
Abstract
The number of robotic gastrectomy (RG) performed per year has been increasing, particularly in East Asia where the incidence of gastric cancer is high and approximately half of the cases are diagnosed as early gastric cancer. With articulated devices of RG, surgeons are able to perform every procedure more meticulously, which can result in less bleeding and damage to organs. There are many single arm and comparative studies, and these study showed similar trends, which included relatively less estimated blood loss and longer operation time following RG than laparoscopic gastrectomy (LG), equivalent number of harvested lymph nodes and similar length of postoperative hospital stay between RG and LG. Considering the results of these retrospective comparative studies, RG seems to be as feasible as LG in terms of early surgical outcomes. However, medical expense of RG is approximately twice as much as that of LG. Lack of solid evidence in terms of long-term outcomes is another problem. Considering the higher medical expenses associated with RG, its superiority in terms of long-term survival outcomes needs to be confirmed in the future for it to be accepted more widely.
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Affiliation(s)
- Masanori Tokunaga
- Gastric Cancer Division, National Cancer Center Hospital East, Kashiwa, Japan
| | - Akio Kaito
- Gastric Cancer Division, National Cancer Center Hospital East, Kashiwa, Japan
| | - Shizuki Sugita
- Gastric Cancer Division, National Cancer Center Hospital East, Kashiwa, Japan
| | - Masahiro Watanabe
- Gastric Cancer Division, National Cancer Center Hospital East, Kashiwa, Japan
| | - Hideki Sunagawa
- Gastric Cancer Division, National Cancer Center Hospital East, Kashiwa, Japan
| | - Takahiro Kinoshita
- Gastric Cancer Division, National Cancer Center Hospital East, Kashiwa, Japan
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