1.Evaluation of the public health governance capacity in Jiangsu Province
Peiyu FENG ; Anning MA ; Peiwu SHI ; Qunhong SHEN ; Chaoyang ZHANG ; Zheng CHEN ; Chuan PU ; Lingzhong XU ; Zhaohui GONG ; Tianqiang XU ; Panshi WANG ; Chao HAO ; Zhi HU ; Mo HAO ; Hua WANG ; Chengyue LI
Shanghai Journal of Preventive Medicine 2026;38(2):146-152
ObjectiveTo evaluate the public health governance capacity in Jiangsu Province and provide an optimized pathway for the construction of a “strong, rich, beautiful, and high-quality” new Jiangsu. MethodsA total of 806 policy documents, 658 public information reports, and 148 research literatures related to public health governance capacity in Jiangsu Province from January 1995 to December 2023 were collected. The status of current public health goverance was assessed based on the evaluation criteria suitable for public health systems, and the strengths and the weaknesses of the system were identified. ResultsThe public health governance capability of Jiangsu Province was scored at 738.3 points, ranking 3rd nationally. Maternal health care and emergency response capacities achieved leading positions nationwide, both ranking 2nd. Jiangsu had exhibited a standardized guidance in the strategic level, a well-established management mechanism, an extensive coverage in information collection, and a scientifically established health targets setting. However, bottlenecks remained, including an unclear division of responsibilities across organizational departments, an insufficient public-health workforce, the absence of a stable growth mechanism for government funding investment, and difficulties in promptly identifying public needs. ConclusionJiangsu’s public-health system demonstrates leading nationally, yet several components remain underdeveloped. Future efforts should consolidate advantages while addressing weaknesses, further diversify content and forms, establish a stable funding increase mechanism, and clarify departmental functions, thereby providing solid health support for realizing the developmental goals of a “strong, rich, beautiful and high-quality” new Jiangsu.
2.Evaluation of public health governance capacity in Zhejiang Province
Haiyan LI ; Ting CHEN ; Chengyue LI ; Huihui HUANGFU ; Wei WANG ; Qunhong SHEN ; Chaoyang ZHANG ; Zheng CHEN ; Chuan PU ; Lingzhong XU ; Anning MA ; Zhaohui GONG ; Tianqiang XU ; Panshi WANG ; Hua WANG ; Chao HAO ; Zhi HU ; Peiwu SHI ; Mo HAO
Shanghai Journal of Preventive Medicine 2026;38(2):153-158
ObjectiveTo systematically assess the public health governance capacity in Zhejiang Province, to conduct an in-depth analysis of its strengths and weaknesses, so as to provide scientific basis and strategic recommendations for further enhancement. MethodsA systematic collection of policy documents, public information reports, and research literature related to public health governance capacity in Zhejiang Province from 2002 to 2023 was conducted (encompassing a total of 1 263 policy documents, 138 pieces of information reports and 631 research articles). Based on the evaluation criteria suitable for public health systems previously developed by the research team, the basic status and magnitude of change in public health governance capacity in Zhejiang Province was evaluated. Additionally, normative gap analyses were employed to identify the strengths and weaknesses. ResultsZhejiang Province ranked 4th nationwide in terms of public health governance capacity with a score of 733.4 points (1 000.0-point maximum). The province has effectively implemented the principle of health first (scoring 698.5 points in the assessment of health-first strategy implementation) and attached sufficient importance to health-related goals (scoring 658.2 points in the scientific rationality of goal setting). However, the implementation of inter-departmental coordination and incentive mechanisms only scored 178.7 points, the feasibility of management and monitoring mechanisms scored even lower at only 144.0 points, and the coverage of incentive mechanisms scored 286.0 points. ConclusionZhejiang Province has effectively implemented its health first strategy and attached great importance to health targets, but still needs to strengthen cross-departmental coordination mechanisms and health-oriented incentives.
3.Changes in coordination of departments for major epidemic prevention and control in China before and after the outbreak of COVID-19: an analysis on official documents
Zhonghui HE ; Peiwu SHI ; Qunhong SHEN ; Zheng CHEN ; Chuan PU ; Lingzhong XU ; Zhi HU ; Anning MA ; Tianqiang XU ; Panshi WANG ; Hua WANG ; Qingyu ZHOU ; Chengyue LI ; Mo HAO
Shanghai Journal of Preventive Medicine 2025;37(5):446-450
ObjectiveTo analyze the changes in the degree of coordination of China's major epidemic prevention and control efforts before and after the outbreak of the Corona Virus Disease 2019 (COVID-19), so as to explore the impact of epidemic prevention and control measures on coordination dynamics. MethodsA total of 3 864 policy documents related to epidemic prevention and control from January 2000 to December 2020 across 31 provinces (autonomous regions, and municipalities) in China were systematically collected. Contents specific to collaborative and cooperative efforts were extracted, and the extent of interdepartmental coordination were quantified to assess the effectiveness of epidemic prevention and control efforts. Wilcoxon signed-rank test was adopted to statistically analyze the differences between the indicators before and after the epidemic. ResultsThe average overall coordination level for major epidemic prevention and control in 31 provinces (autonomous regions, and municipalities) increased from 43.06% to 97.62%, and the average coordination levels in the eastern, central, and western China soared from 42.29%, 37.50%, and 47.46%, to 98.81%, 96.20%, and 97.46%, respectively, with statistically significant differences (all P<0.05). In terms of department categorization, coordination levels in the professional departments and the key support departments peaked at 100.00%, while other support departments rose to 95.43%, with an increase of 77.15%, 181.85%, and 139.89%, respectively, exhibiting noteworthy statistically significant differences (all P<0.001). ConclusionThe scope of coordination departments of China’s major epidemic prevention and control exists a remarkable surge following the COVID-19 outbreak, notable heightened coordination is particularly observed among the key support departments. Future endeavors should prioritize the roles played by diverse departments in epidemic prevention and control, enhancing both the clarity of departmental responsibilities and the effectiveness of interdepartmental coordination.
4.A systematic evaluation of the public health governance capacity of 40 cities in Jiangsu, Zhejiang, and Anhui Provinces
Huayi ZHANG ; Qingyu ZHOU ; Huihui HUANGFU ; Peiwu SHI ; Qunhong SHEN ; Chaoyang ZHANG ; Zheng CHEN ; Chuan PU ; Lingzhong XU ; Anning MA ; Zhaohui GONG ; Tianqiang XU ; Panshi WANG ; Hua WANG ; Chao HAO ; Zhi HU ; Chengyue LI ; Mo HAO
Shanghai Journal of Preventive Medicine 2025;37(5):451-457
ObjectiveTo systematically evaluate the public health governance capacity of 40 cities in Jiangsu, Zhejiang, and Anhui Provinces, providing a scientific evaluation basis for building a "Healthy Yangtze River Delta". MethodsA comprehensive collection of policy documents, public information reports, and research literature related to public health governance capacity in Jiangsu, Zhejiang, and Anhui Provinces was conducted, totaling 6 920 policy documents, 1 720 information reports, and 1 200 literature pieces. Based on the evaluation standards for an appropriate public health system established by the research team, the basic status of public health governance capacity was assessed to identify the strengths and weaknesses of the 40 cities. ResultsIn 2022, the public health governance capacity score for the 40 cities in Jiangsu, Zhejiang, and Anhui Provinces was (562.5±38.0) points. In terms of specific areas, the emergency response field received the highest score of (791.4±49.7) points, while the chronic disease prevention and control field received the lowest score of (368.2±29.6) points. The Jiangsu-Zhejiang-Anhui region has largely achieved the strategic priority of health, gradually improved public health legal regulations, and established a basic organizational framework with a solid foundation for information and data infrastructure. However, challenges still need to be addressed, such as unstable government funding for public health, unclear departmental responsibilities, and barriers to information interoperability. ConclusionThe public health governance capacity of the 40 cities in Jiangsu, Zhejiang, and Anhui Province has been at a moderate level, but disparities have still existed across regions and fields. In the future, while continuing to deepen existing advantages, it is essential to accurately identify the causes of problems, establish a long-term and stable investment mechanism, enhance information connectivity mechanisms, further clarify departmental responsibilities, and promote the achievement of the "Healthy Yangtze River Delta" goal.
5.Long-term outcomes of laparoscopic gastrectomy for locally advanced gastric cancer with serosa-invasion
Ping′ang LI ; Fan ZHANG ; Zhengyan LI ; Yan SHI ; Feng QIAN ; Yongliang ZHAO ; Jun CHEN ; Chenjun TAN ; Zongwen WANG ; Yan WEN ; Peiwu YU
Chinese Journal of Surgery 2024;62(8):744-750
Objective:To evaluate the long-term outcomes and prognostic factors of locally advanced gastric cancer with serosa-invasion.Methods:This study is a retrospective cohort study. The clinical and pathological data of 495 patients with locally advanced gastric cancer with serosa-invasion who underwent laparoscopic radical gastrectomy in Department of General Surgery, the First Hospital Affiliated to Army Medical University from October 2012 to October 2018 was analyzed retrospectively. There were 356 males and 139 females with an age ( M(IQR)) of 59 (16) years (range: 18 to 75 years). Observation indicators included postoperative results and long-term prognosis. The survival curve was drawn by the Kaplan-Meier method. Univariate and multivariate prognostic analysis was performed using the Cox proportional hazards model. Results:Among the 495 patients, a total of 57 patients (11.5%) were lost to follow-up, with a follow-up time of 89 (40) months (range: 23 to 134 months). The 5-year disease-free survival rate (DFS) and the 5-year overall survival rate (OS) were 56.0% and 58.2%, respectively. The 5-year DFS for patients with stage ⅡB, ⅢA, ⅢB, ⅢC were 71.2%, 60.5%, 51.6%, 33.3%, respectively. The 5-year OS for patients with stage ⅡB, ⅢA, ⅢB, ⅢC were 71.2%, 62.2%, 54.1%, 39.3%, respectively. Multivariate analysis showed that age >65 years (DFS: HR=1.402, 95% CI: 1.022 to 1.922, P=0.036; OS: HR=1.461, 95% CI: 1.057 to 2.019, P=0.022), lymph node dissection number less than 25 (DFS: HR=1.348, 95% CI: 1.019 to 1.779, P=0.036; OS: HR=1.376, 95% CI: 1.035 to 1.825, P=0.028), pathological stage Ⅲ (DFS: HR=2.131, 95% CI: 1.444 to 3.144, P<0.01; OS: HR=2.079, 95% CI: 1.406 to 3.074, P<0.01), and no postoperative chemotherapy (DFS: HR=3.127, 95% CI: 2.377 to 4.113, P<0.01; OS: HR=3.768, 95% CI: 2.828 to 5.020, P<0.01) were independent prognostic factors for the decrease in DFS and OS rates. Conclusions:Laparoscopic radical gastrectomy for locally advanced gastric cancer with serosa-invasion could achieve satisfactory long-term oncological outcomes. More lymph node dissection and standardized postoperative adjuvant chemotherapy are expected to further improve the prognosis of patients with locally advanced gastric cancer with serous invasion after laparoscopic radical surgery.
6.Long-term outcomes of laparoscopic gastrectomy for locally advanced gastric cancer with serosa-invasion
Ping′ang LI ; Fan ZHANG ; Zhengyan LI ; Yan SHI ; Feng QIAN ; Yongliang ZHAO ; Jun CHEN ; Chenjun TAN ; Zongwen WANG ; Yan WEN ; Peiwu YU
Chinese Journal of Surgery 2024;62(8):744-750
Objective:To evaluate the long-term outcomes and prognostic factors of locally advanced gastric cancer with serosa-invasion.Methods:This study is a retrospective cohort study. The clinical and pathological data of 495 patients with locally advanced gastric cancer with serosa-invasion who underwent laparoscopic radical gastrectomy in Department of General Surgery, the First Hospital Affiliated to Army Medical University from October 2012 to October 2018 was analyzed retrospectively. There were 356 males and 139 females with an age ( M(IQR)) of 59 (16) years (range: 18 to 75 years). Observation indicators included postoperative results and long-term prognosis. The survival curve was drawn by the Kaplan-Meier method. Univariate and multivariate prognostic analysis was performed using the Cox proportional hazards model. Results:Among the 495 patients, a total of 57 patients (11.5%) were lost to follow-up, with a follow-up time of 89 (40) months (range: 23 to 134 months). The 5-year disease-free survival rate (DFS) and the 5-year overall survival rate (OS) were 56.0% and 58.2%, respectively. The 5-year DFS for patients with stage ⅡB, ⅢA, ⅢB, ⅢC were 71.2%, 60.5%, 51.6%, 33.3%, respectively. The 5-year OS for patients with stage ⅡB, ⅢA, ⅢB, ⅢC were 71.2%, 62.2%, 54.1%, 39.3%, respectively. Multivariate analysis showed that age >65 years (DFS: HR=1.402, 95% CI: 1.022 to 1.922, P=0.036; OS: HR=1.461, 95% CI: 1.057 to 2.019, P=0.022), lymph node dissection number less than 25 (DFS: HR=1.348, 95% CI: 1.019 to 1.779, P=0.036; OS: HR=1.376, 95% CI: 1.035 to 1.825, P=0.028), pathological stage Ⅲ (DFS: HR=2.131, 95% CI: 1.444 to 3.144, P<0.01; OS: HR=2.079, 95% CI: 1.406 to 3.074, P<0.01), and no postoperative chemotherapy (DFS: HR=3.127, 95% CI: 2.377 to 4.113, P<0.01; OS: HR=3.768, 95% CI: 2.828 to 5.020, P<0.01) were independent prognostic factors for the decrease in DFS and OS rates. Conclusions:Laparoscopic radical gastrectomy for locally advanced gastric cancer with serosa-invasion could achieve satisfactory long-term oncological outcomes. More lymph node dissection and standardized postoperative adjuvant chemotherapy are expected to further improve the prognosis of patients with locally advanced gastric cancer with serous invasion after laparoscopic radical surgery.
7.The short-term outcomes of totally robotic surgical system and robotic surgical system assisted radical gastrectomy for gastric cancer
Zhenshun LI ; Feng QIAN ; Yan SHI ; Yongliang ZHAO ; Jun CHEN ; Fan ZHANG ; Ping′ang LI ; Chenjun TAN ; Peiwu YU
Chinese Journal of Digestive Surgery 2023;22(4):512-518
Objective:To investigate the short-term outcomes of totally robotic surgical system and robotic surgical system assisted radical gastrectomy for gastric cancer.Methods:The retrospective cohort study was conducted. The clinicopathological data of 290 patients who under-went robotic surgical system radical gastrectomy for gastric cancer in the First Affiliated Hospital of Army Medical University from January 2018 to November 2021 were collected. There were 208 males and 82 females, aged 58 (range, 24?84)years. Of the 290 patients, 125 patients undergoing totally robotic surgical system radical gastrectomy combined with reconstruction of digestive tract were divided into the totally robot group, and 165 patients undergoing robotic surgical system radical gastrectomy combined with a small midline incision-assisted reconstruction of digestive tract were divided into the robotic-assisted group. Observation indicators: (1) surgical and postoperative situations; (2) postoperative complications. Measurement data with normal distribution were represented as Mean± SD, and comparison between groups was conducted using the t test. Measurement data with skewed distribution were represented as M(range), and comparison between groups was conducted using the Mann-Whitney U test. Comparison of ordinal data was conducted using the non-parameter rank sum test. Count data were described as absolute numbers, and comparison between groups was conducted using the chi-square test or Fisher exact probability. Results:(1) Surgical and postoperative situations. The operation time, volume of intraoperative blood loss, length of incision, duration of postoperative analgesic using, time to postoperative gastric tube removal, time to postoperative initial water intake, time to postoperative first anal flatus, duration of post-operative hospital stay were (246±43)minutes, (104±51)mL, 4(range, 3?6)cm, (2.2±0.5)days, 36(range, 10?112)hours, 62(range, 32?205)hours, 63(range, 18?138)hours, 8(range, 6?50)days in patients of the totally robot group, versus (296±59)minutes, (143±87)mL, 6(range, 3?13)cm, (3.6±0.7)days, 42(range, 12?262)hours, 90(range, 18?262)hours, 80(range, 16?295)hours, 9(range, 6?63)days in patients of the robotic-assisted group, showing significant differences in the above indicators between the two groups ( t=8.04, 4.42, Z=?13.98, t=18.46, Z=?5.47, ?5.87, ?6.14, ?4.04, P<0.05). (2) Post-operative complications. Cases with systemic related complications and cases with pulmonary infection were 7 and 4 in patients of the totally robot group, versus 31 and 16 in patients of the robotic-assisted group, showing significant differences in the above indicators between the two groups ( χ2=10.86, 4.68, P<0.05). Further analysis showed that there were significant differences in age ≥60 years, body mass index ≥25 kg/m 2, tumor diameter ≥3 cm, TNM staging as stage Ⅲ of cases with postoperative complications between the totally robot group and the robotic-assisted group ( odds ratio=0.44, 0.17, 0.40, 0.31, 95 confidence interval as 0.20?1.00, 0.03?0.88, 0.18?0.89, 0.11?0.84, P<0.05). Conclusion:Totally robotic surgical system radical gastrectomy for gastric cancer is safe and feasible with advantages of minimal trauma and quick recovery, especially for patients as age ≥60 years, body mass index ≥25 kg/cm 2, tumor diameter ≥3 cm and TNM stage Ⅲ in complication controlling.
8.A new stage for healthy China: new characteristics and urgency of public health
Mo HAO ; Peiwu SHI ; Qunhong SHEN ; Zhaoyang ZHANG ; Zheng CHEN ; Chuan PU ; Lingzhong XU ; Zhi HU ; Anning MA ; Zhaohui GONG ; Tianqiang XU ; Panshi WANG ; Hua WANG ; Chao HAO ; Huihui HUANGFU ; Yang CHEN ; Qingyu ZHOU ; Chengyue LI
Shanghai Journal of Preventive Medicine 2022;34(1):22-27
Building a strong public health system has become an urgent task in the new era. Based on more than eight years of systematic research, we believe that five aspects need to be prioritized for a strong system. First, we should change the perspective on public health, using the word “gonggong jiankang” to replace “gonggong weisheng” and the word “gonggong jiankang tixi” to replace “gonggong weisheng tixi”, to lead the public health system development. Second, we should develop a suitable public health system and continuously improve the health capacity for governance. Third, we should make it clear that the goal of building a strong system is not far-fetched, and we need to consolidate the existing institutional advantages of China’s public health system: when encountering major problems, we can maintain a unified goal and mobilize the whole society to cooperate effectively to accomplish the goal. However, we need to make up for shortcomings one by one, especially to solve the key problem of lacking a strong coordination mechanism in daily work. Fourth, we should pursue excellence and consolidate the“suitable” mechanism proven in the process of coping with the COVID-19, so that efficient mechanisms to deal with major issues can be used in routine work, and efforts should be made to consolidate the advantages of prevention and control of infectious diseases and emergency response,so as to achieve the balanced development of regions categories and units.Finally, it is necessary to strengthen the coordination of government and research institutions, in the aspects of technological innovation, talent team building and accurate consulting services, and work together to pursue a suitable and strong system to realize the modernization of the health system and capacity for governance.
9.Short-term efficacy of laparoscopic gastrectomy versus open gastrectomy for advanced gastric cancer after neoadjuvant chemotherapy: a Meta-analysis
Qing FENG ; Du LONG ; Yan WEN ; Peiwu YU ; Yan SHI
Chinese Journal of Digestive Surgery 2021;20(9):1011-1017
Laparoscopic gastrectomy (LG) has been proven to be safe and feasible and widely used in surgical treatment of early and advanced gastric cancer (AGC), which has advantages over open gastrectomy in intraoperative bleeding and postoperative recovery. Neoadjuvant chemo-therapy (NACT) could achieve the effect of tumor downstaging and provide more surgical treatment chances for patients with AGC, thus improving their prognosis. Feasibility of LG for patients with AGC after NACT is a crucial problem for surgeons. The authors review the relevant studies and conducte a Meta-analysis to evaluate the short-term efficacy of laparoscopic versus open gastrec-tomy in the treatment of AGC after NACT.
10.A comparative study on short-term outcomes of Da Vinci robotic versus laparoscopic and open surgery for locally advanced Siewert type Ⅱ and Ⅲ adenocarcinoma of esophagogastric junction
Cunxiang LIAO ; Qing FENG ; Ping′ang LI ; Feng QIAN ; Yongliang ZHAO ; Yingxue HAO ; Bo TANG ; Jun CHEN ; Yan WEN ; Peiwu YU ; Yan SHI
Chinese Journal of Digestive Surgery 2020;19(6):620-629
Objective:To investigate the short-term outcomes of Da Vinci robotic versus laparoscopic and open surgery for locally advanced Siewert type Ⅱ and Ⅲ adenocarcinoma of esophagogastric junction (AEG).Methods:The propensity score matching and retrospective cohort study was conducted. The clinicopathological data of 404 patients with locally advanced Siewert type Ⅱ and Ⅲ AEG who underwent radical gastrectomy in the First Hospital Affiliated to Army Medical University from January 2009 to April 2019 were collected. There were 331 males and 73 females, aged from 34 to 90 years, with a median age of 62 years. Of the 404 patients, 104 undergoing Da Vinci robotic radical gastrectomy were allocated into robotic group, 205 undergoing laparoscopic radical gastrectomy were allocated into laparoscopic group, and 95 undergoing open radical gastrectomy were allocated into open group. Observation indicators: (1) the propensity score matching conditions and comparison of general data among the three groups after propensity score matching; (2) surgical situations; (3) intraoperative lymph node dissection; (4) postoperative situations; (5) postoperative complications; (6) follow-up. Patients were followed up at postoperative 1 month by outpatient examination and telephone interview to detect survival and severe complications up to June 2019. The propensity score matching was used to perform 1∶2∶1 nearest neighbor matching by SPSS 23.0 and R software 3.6.1 Matchit among the robotic group, laparoscopic group and open group. Measurement data with normal distribution were represented as Mean± SD, and comparison among groups was done using one-way ANOVA analysis. Measurement data with skewed distribution were represented as M (range), and comparison was done using the Kruskal-Wallis H test. Comparison of ordinal data was analyzed using the Mann-Whitney U test. Count data were represented as absolute numbers or percentages, and comparison among groups was done using the chi-square test. Results:(1) The propensity score matching conditions and comparison of general data among the three groups after propensity score matching: 312 of 404 patients had successful matching, including 78 in the robotic group, 156 in the laparoscopic group, and 78 in the open group. The age, cases in G1, G2, G3 (histopathological classification) and cases with proximal gastrectomy or total gastrectomy (surgical resection range) before matching were (62.2±1.0)years, 0, 37, 67, 13, 91 in the robotic group, (60.9±8.1)years, 0, 98, 107, 31, 174 in the laparoscopic group, and (58.5±9.8)years, 1, 32, 62, 27, 68 in the open group, showing significant differences among the three groups ( F=4.269, 6.356, χ2=10.416, P<0.05). The above indicators after matching were (61.2±10.8)years, 0, 28, 50, 12, 66 in the robotic group, (60.7±8.0)years, 0, 56, 100, 25, 131 in the laparoscopic group, and (60.7±8.4)years, 0, 25, 53, 18, 60 in the open group, showing no significant difference among the three groups ( F=0.074, 0.379, χ2=2.141, P>0.05). (2) Surgical situations: the surgical time, volume of intraoperative blood loss, length of surgical incision, length of proximal margin after matching were 300.0 minutes(range, 188.0-420.0 minutes), 137.5 mL(range, 50.0-400.0 mL), 6.0 cm(range, 3.0-12.0 cm), 2.5 cm(range, 1.5-5.5 cm) in the robotic group, 276.0 minutes(range, 180.0-400.0 minutes), 150.0 mL(range, 40.0-800.0 mL), 6.0 cm(range, 3.0-12.0 cm), 3.0 cm(range, 1.0-5.0 cm) in the laparoscopic group, and 244.5 minutes(range, 125.0-461.0 minutes), 200.0 mL(range, 55.0-800.0 mL), 20.0 cm(range, 18.0-25.0 cm), 2.0 cm(range, 1.0-5.5 cm) in the open group, showing significant differences among the three groups ( χ2=27.619, 30.069, 179.367, 11.560, P<0.05). (3) Intraoperative lymph node dissection: the number of lymph node dissected, the number of lymph node dissected in the first station, the number of diaphragmatic and periesophageal lymph node dissected were 30.5(range, 10.0-70.0), 18.0(range, 6.0-42.0), 4.0(range, 0-13.0) in the robotic group, 29.0(range, 12.0-79.0), 19.0(range, 6.0-47.0), 5.0(range, 0-15.0) in the laparoscopic group, and 29.0(range, 18.0-58.0), 18.0(range, 12.0-38.0), 5.0(range, 0-8.0) in the open group, showing no significant difference among the three groups ( χ2=3.676, 1.014, 0.827, P>0.05). The number of lymph node dissected in the second station, the number of lymph node dissected in the superior pancreatic region, the number of No.110 lymph node dissected, the number of No.111 lymph node dissected after matching were 9.0(range, 2.0-30.0), 9.0(range, 2.0-30.0), 1.0(range, 0-4.0), 0(range, 0-3.0) in the robotic group, 6.5(range, 0-25.0), 7.0(range, 0-25.0), 0(range, 0-3.0), 0(range, 0-4.0) in the laparoscopic group, and 6.5(range, 0-19.0), 6.5(range, 0-19.0), 0(range, 0-1.0), 0(range, 0-1.0) in the open group, showing significant differences among the three groups ( χ2=19.027, 24.368, 19.236, 11.147, P<0.05). (4) Postoperative situations: the time to first flatus, time to initial out-of-bed activities, duration of postoperative hospital stay, treatment expenses after matching were 3 days(range, 2-5 days), 2 days(range, 1-4 days), 9 days(range, 5-20 days), 10.6×10 4 yuan [range, (5.4-18.0)×10 4 yuan] in the robotic group, 3 days(range, 2-8 days), 2 days(range, 1-7 days), 9 days(range, 6-56 days), 8.6×10 4 yuan[range, (5.7-40.8)×10 4 yuan] in the laparoscopic group, and 4 days(range, 2-10 days), 4 days(range, 2-10 days), 11 days(range, 8-41 days), 8.4×10 4 yuan[range, (5.8-15.2)×10 4 yuan] in the open group, showing significant differences among the three groups ( χ2=28.487, 95.069, 39.443, 83.899, P<0.05). (5) Postoperative complications: the incidence of overall complications, incidence of severe complications (Clavien-Dindo classification ≥grade 3), incidence of gastrointestinal complications, incidence of incisional complications, incidence of respiratory complications, incidence of infection were 21.8%(17/78), 5.1%(4/78), 10.3%(8/78), 1.3%(1/78), 7.7%(6/78), 2.6%(2/78) in the robotic group, 21.8%(34/156), 7.1%(11/156), 5.1%(8/156), 1.3%(2/156), 11.5%(18/156), 3.8%(6/156) in the laparoscopic group, and 29.5%(23/78), 6.4%(5/78), 9.0%(7/78), 2.6%(2/78), 14.1%(11/78), 2.6%(2/78) in the open group, showing no significant difference among the three groups ( χ2=1.913, 0.321, 2.394, 0.866, 1.641, 0.335, P>0.05). (6) Follow-up: 312 patients after propensity score matching were follow up at postoperative 1 month. During the follow-up, 2 cases with severe complications died after discharge. No severe complication such as obstruction of input or output loop, dumping syndrome was found in the other 310 patients. Conclusions:The Da Vinci robotic radical gastrectomy is safe and feasible for locally advanced Siewert type Ⅱ and Ⅲ AEG. Compared with laparoscopic and open radical gastrectomy, Da Vinci robotic radical gastrectomy has more advantages in the number of lymph node dissected in the second station (especially in the superior pancreatic region).

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