Evidence map›Paper›PMID 33398578›Full record

ArticleSurgical endoscopy2021

Long-term oncologic outcomes of robotic versus laparoscopic gastrectomy for locally advanced gastric cancer: a propensity score-matched analysis of 1170 patients.

Zheng-Yan Li, Yong-Liang Zhao, Feng Qian, Bo Tang, Jun Chen, Tao He, Zi-Yan Luo, Ping-Ang Li, Yan Shi, Pei-Wu Yu

Abstract read
PubMed Publisher
In one paragraph

Article in Surgical endoscopy, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 3 pooled it
2.8field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 3 syntheses or guidelines pooled it, 22 citations in OpenAlex.

  1. Pooled it
  2. A systematic review on the effectiveness of robot-assisted minimally invasive gastrectomy.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2024
    Pooled it
  3. Pooled it
  4. Comparison of oncological outcomes between robotic and laparoscopic surgeries for gastric cancer: a multi-institutional cohort study in Japan.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2026
    Article
  5. Article
  6. Research progress of minimally invasive surgery for gastric cancer.Chinese journal of cancer research = Chung-kuo yen cheng yen chiu · 2023
    Article
  7. Article
  8. Trends in clinical outcomes and long-term survival after robotic gastrectomy for gastric cancer: a single high-volume center experience of consecutive 2000 patients.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2022
    Article
  9. Article
  10. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 1 institution in 1 country.

Zheng-Yan LiDepartment of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No.30 Gao Tan Yan Road, Chongqing, 400038, China.ORCID 0000-0001-9415-8690
Yong-Liang ZhaoDepartment of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No.30 Gao Tan Yan Road, Chongqing, 400038, China.
Feng QianDepartment of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No.30 Gao Tan Yan Road, Chongqing, 400038, China.
Bo TangDepartment of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No.30 Gao Tan Yan Road, Chongqing, 400038, China.
Jun ChenDepartment of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No.30 Gao Tan Yan Road, Chongqing, 400038, China.
Tao HeDepartment of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No.30 Gao Tan Yan Road, Chongqing, 400038, China.
Zi-Yan LuoDepartment of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No.30 Gao Tan Yan Road, Chongqing, 400038, China.
Ping-Ang LiDepartment of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No.30 Gao Tan Yan Road, Chongqing, 400038, China.
Yan ShiDepartment of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No.30 Gao Tan Yan Road, Chongqing, 400038, China. shiyandoctor@sina.com.
Pei-Wu YuDepartment of General Surgery, Center for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, No.30 Gao Tan Yan Road, Chongqing, 400038, China. yupeiwu01@sina.com.
Army Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe robotic surgical system has several technical advantages over laparoscopic instruments. The technical feasibility and safety of robotic gastrectomy (RG) for gastric cancer have been reported by increasing number of studies. However, the long-term survival and recurrence outcomes after RG for locally advanced gastric cancer (AGC) have seldom been reported. This study aimed to compare long-term oncologic outcomes for patients with locally AGC after RG or laparoscopic gastrectomy (LG).

methodsThis study comprised 1170 patients underwent RG or LG, respectively, for locally AGC between March 2010 and February 2017. The primary outcome was the 3-year disease-free survival (DFS). The secondary endpoint included 3-year overall survival (OS) and recurrence patterns. One-to-one propensity score matching (PSM) was performed to reduce confounding bias. The outcomes were compared in PSM cohort.

resultsAfter PSM, a well-balanced cohort of 816 patients (408 in each group) were included in the analysis. The 3-year DFS rate was 76.2% in the robotic group and 70.1% in the laparoscopic group (P = 0.076). The 3-year OS rates was 76.7% in the robotic group and 73.3% in the laparoscopic group (P = 0.246). In the subgroup analyses for potential confounding variables, neither 3-year DFS nor 3-year OS survival were significantly different between the two groups (all P > 0.05). The two groups showed similar recurrence patterns within 3 years after surgery (P > 0.05).

conclusionFor patients with locally AGC, RG can result in comparable long-term survival outcomes without an increase in recurrence rate.

Indexed as

LaparoscopyRobotic Surgical ProceduresStomach NeoplasmsGastrectomyHumansPropensity ScoreRetrospective StudiesTreatment OutcomeGastric cancerLaparoscopic gastrectomyLong-term outcomeRobotic gastrectomy

Identifiers

PMID33398578
OpenAlexW3118441917

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.