Evidence map›Paper›PMID 33439912›Full record

SynthesisPloS one2021

Comparison of pathologic outcomes of robotic and open resections for rectal cancer: A systematic review and meta-analysis.

Yinyin Guo, Yichen Guo, Yanxin Luo, Xia Song, Hui Zhao, Laiyuan Li

Abstract readComparative StudyMeta-AnalysisSystematic Review
In one paragraph

Synthesis in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

5 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. 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

6 authors.

Yinyin GuoLanzhou University Second Hospital, Lanzhou, China.
Yichen GuoDepartment of Emergency, The First Hospital of Lanzhou University, Lanzhou, China.
Yanxin LuoDepartment of Colorectal Surgery, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
Xia SongLanzhou University Second Hospital, Lanzhou, China.
Hui ZhaoLanzhou University Second Hospital, Lanzhou, China.
Laiyuan LiDepartment of Anorectal Surgery, Gansu Provincial Hospital, Lanzhou, China.ORCID 0000-0002-3022-2005

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThe application of robotic surgery for rectal cancer is increasing steadily. The purpose of this meta-analysis is to compare pathologic outcomes among patients with rectal cancer who underwent open rectal surgery (ORS) versus robotic rectal surgery (RRS).

methodsWe systematically searched the literature of EMBASE, PubMed, the Cochrane Library of randomized controlled trials (RCTs) and nonrandomized controlled trials (nRCTs) comparing ORS with RRS.

resultsFourteen nRCTs, including 2711 patients met the predetermined inclusion criteria and were included in the meta-analysis. Circumferential resection margin (CRM) positivity (OR: 0.58, 95% CI, 0.29 to 1.16, P = 0.13), number of harvested lymph nodes (WMD: -0.31, 95% CI, -2.16 to 1.53, P = 0.74), complete total mesorectal excision (TME) rates (OR: 0.93, 95% CI, 0.48 to 1.78, P = 0.83) and the length of distal resection margins (DRM) (WMD: -0.01, 95% CI, -0.26 to 0.25, P = 0.96) did not differ significantly between the RRS and ORS groups.

conclusionBased on the current evidence, robotic resection for rectal cancer provided equivalent pathological outcomes to ORS in terms of CRM positivity, number of harvested lymph nodes and complete TME rates and DRM.

Indexed as

Robotic Surgical ProceduresHumansPrognosisRectal Neoplasms

Identifiers

PMID33439912
PMCPMC7806147

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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.