Evidence map›Paper›PMID 30972621›Full record

ArticleSurgical endoscopy2020

Replicate systematic review and meta-analyses on robotic surgery: a quality appraisal and overlap investigation.

Jin Ji, Han Zhang, Da Xu, Tianyi Zhang, Depei Kong, Guang'an Xiao, Zhi Cao, Fubo Wang, Xu Gao, Ying-Hao Sun

Abstract read
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In one paragraph

Article in Surgical endoscopy, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–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

2 citing papers in PubMed.

  1. Article
  2. Robotic transvaginal natural orifice transluminal endoscopic surgery for bilateral salpingo oophorectomy.European journal of obstetrics & gynecology and reproductive biology: X · 2020
    Article
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.

Jin JiDepartment of Urology, Changhai Hospital, Naval Medical University (Second Military Medical University), 125 Changhai Road, Shanghai, 200433, China.
Han ZhangEastern Hepatobiliary Surgery Hospital, Naval Medical University (Second Military Medical University), Shanghai, China.
Da XuDepartment of Urology, Eastern Hepatobiliary Surgery Hospital, Naval Medical University (Second Military Medical University), Shanghai, China.
Tianyi ZhangDepartment of Clinical Epidemiology and Statistics, Naval Medical University (Second Military Medical University), Shanghai, China.
Depei KongDepartment of Urology, Changhai Hospital, Naval Medical University (Second Military Medical University), 125 Changhai Road, Shanghai, 200433, China.
Guang'an XiaoDepartment of Urology, Changhai Hospital, Naval Medical University (Second Military Medical University), 125 Changhai Road, Shanghai, 200433, China.
Zhi CaoDepartment of Urology, Changhai Hospital, Naval Medical University (Second Military Medical University), 125 Changhai Road, Shanghai, 200433, China.
Fubo WangDepartment of Urology, Changhai Hospital, Naval Medical University (Second Military Medical University), 125 Changhai Road, Shanghai, 200433, China.
Xu GaoDepartment of Urology, Changhai Hospital, Naval Medical University (Second Military Medical University), 125 Changhai Road, Shanghai, 200433, China.
Ying-Hao SunDepartment of Urology, Changhai Hospital, Naval Medical University (Second Military Medical University), 125 Changhai Road, Shanghai, 200433, China. yhsun@protonmail.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe number of publications of systematic reviews and meta-analyses (MAs) on robotic surgery have been increasing, including many investigating the same topic. Their quality and extent of overlap remains unclear. We assessed the quality of the MAs in this area and investigated the extent of their overlap.

methodsRelevant studies were identified by searching the MEDLINE, EMBASE, and Cochrane Library databases up to August 1, 2017. Reporting and methodological quality levels were assessed using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) and Assessment of Multiple Systematic Reviews (AMSTAR) checklists. A thorough investigation of the extent of overlap was performed.

resultsIn total, 90 MAs in 5 surgical subspecialties were included after full-text review. The mean reporting and methodological quality scores were 22.5 (83.2%) and 7.6 (69.2%), respectively. Authors from university-affiliated institutions and the presence of statistician or epidemiologist coauthors were associated with better-reporting quality scores. The topics with the most overlapping MAs (all ≥ 6) were robot-assisted thyroidectomy, prostatectomy, gastrectomy, colectomy, and fundoplication. 36 (40%) of the included MAs cited previous MAs on the same topic. Among the 7 MAs comparing robot-assisted radical prostatectomy to the open procedure, most (6/7) drew the same conclusion. 50 to 86% of MAs on this topic included the same trials as primary studies.

conclusionConducting multiple overlapping MAs with identical conclusions on the same topic that are of suboptimal quality may be a waste of resource and effort. Authors from university-affiliated institutes and experts in epidemiology and statistics are more likely to conduct MAs that have better quality. More guidelines and registries are needed to avoid overlapping MAs.

Indexed as

Meta-Analysis as TopicRobotic Surgical ProceduresSystematic Reviews as TopicHumansQuality ControlQuality ImprovementMeta-analysisMethodological qualityOverlapping studyReporting qualityRobotic surgery

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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.