Evidence map›Paper›PMID 34666998›Full record

ArticleBMJ open2021

Efficacy of left ventricular unloading strategies during venoarterial extracorporeal membrane oxygenation in patients with cardiogenic shock: a protocol for a systematic review and Bayesian network meta-analysis.

Pengbin Zhang, Shilin Wei, Kerong Zhai, Jian Huang, Xingdong Cheng, Zhenze Tao, Bingren Gao, Debin Liu, Yongnan Li

Open access · goldAbstract read
In one paragraph

Article in BMJ open, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 1 pooled it
0.4field-weighted citation impact, top 43% 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

4 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.

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

9 authors at 2 institutions in 1 country.

Pengbin Zhang *Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu, China.
Shilin Wei *Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu, China.
Kerong ZhaiDepartment of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu, China.
Jian HuangDepartment of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu, China.
Xingdong ChengDepartment of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu, China.
Zhenze TaoDepartment of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu, China.
Bingren GaoDepartment of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu, China.ORCID 0000-0002-2256-6203
Debin LiuDepartment of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu, China ery_liudb@lzu.edu.cn lyngyq2006@foxmail.com.ORCID 0000-0002-1525-7509
Yongnan LiDepartment of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu, China ery_liudb@lzu.edu.cn lyngyq2006@foxmail.com.ORCID 0000-0003-0821-8875
Lanzhou University Second Hospital · CNChinese Academy of Medical Sciences & Peking Union Medical College · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionVenoarterial extracorporeal membrane oxygenation (VA-ECMO) has been widely used for patients with refractory cardiogenic shock. A common side effect of this technic is the resultant increase in left ventricular (LV) afterload which could potentially aggravate myocardial ischaemia, delay ventricular recovery and increase the risk of pulmonary congestion. Several LV unloading strategies have been proposed and implemented to mitigate these complications. However, it is still indistinct that which one is the best choice for clinical application. This Bayesian network meta-analysis (NMA) aims to compare the efficacy of different LV unloading strategies during VA-ECMO. METHODS AND ANALYSIS: PubMed, Embase, the Cochrane Library and the International Clinical Trials Registry Platform will be explored from their inception to 31 December 2020. Random controlled trials and cohort studies that compared different LV unloading strategies during VA-ECMO will be included in this study. The primary outcome will be in-hospital mortality. The secondary outcomes will include neurological complications, haemolysis, bleeding, limb ischaemia, renal failure, gastrointestinal complications, sepsis, duration of mechanical ventilation, length of intensive care unit and hospital stays. Pairwise and NMA will respectively be conducted using Stata (V.16, StataCorp) and Aggregate Data Drug Information System (V.1.16.5), and the cumulative probability will be used to rank the included LV unloading strategies. The risk of bias will be conducted using the Cochrane Collaboration's tool or Newcastle-Ottawa Quality Assessment Scale according to their study design. Subgroup analysis, sensitivity analysis and publication bias assessment will be performed. The Grading of Recommendations Assessment, Development and Evaluation will be conducted to explore the quality of evidence. ETHICS AND DISSEMINATION: Either ethics approval or patient consent is not necessary, because this study will be based on literature. The results will be disseminated through peer-reviewed publications and conference presentations. PROSPERO REGISTRATION NUMBER: CRD42020165093.

Indexed as

Extracorporeal Membrane OxygenationBayes TheoremHeart VentriclesHumansNetwork Meta-Analysis as TopicShock, CardiogenicSystematic Reviews as Topiccardiac surgeryheart failureintensive & critical careischaemic heart diseasesurgery

Identifiers

PMID34666998
PMCPMC8527161
OpenAlexW3164321384

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

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.