Evidence map›Paper›PMID 29517967›Full record

SynthesisBlood transfusion = Trasfusione del sangue2018

The use of viscoelastic haemostatic assays in non-cardiac surgical settings: a systematic review and meta-analysis.

Massimo Franchini, Carlo Mengoli, Mario Cruciani, Marco Marietta, Giuseppe Marano, Stefania Vaglio, Simonetta Pupella, Eva Veropalumbo, Francesca Masiello, Giancarlo M Liumbruno

Abstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Blood transfusion = Trasfusione del sangue, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 2 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

15 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Review
  4. Review
  5. Article
  6. Article
  7. Article
  8. Article
  9. "TEG talk": expanding clinical roles for thromboelastography and rotational thromboelastometry.Hematology. American Society of Hematology. Education Program · 2020
    Article
  10. Dynamic functional clot formation in patients undergoing endoscopic mucosal resection.JGH open : an open access journal of gastroenterology and hepatology · 2020
    Article
  11. Patient Blood Management: a revolutionary approach to transfusion medicine.Blood transfusion = Trasfusione del sangue · 2019
    Review
  12. Article
  13. Tranexamic acid to prevent post-partum haemorrhage.Blood transfusion = Trasfusione del sangue · 2018
    Article
  14. Article
  15. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors.

Massimo FranchiniItalian National Blood Centre, National Institute of Health, Rome, Italy.
Carlo MengoliItalian National Blood Centre, National Institute of Health, Rome, Italy.
Mario CrucianiInfection Control Committee, AULSS9 Scaligera, Verona, Italy.
Marco MariettaDepartment of Oncology, Hematology and Respiratory Diseases, University Hospital, Modena, Italy.
Giuseppe MaranoItalian National Blood Centre, National Institute of Health, Rome, Italy.
Stefania VaglioItalian National Blood Centre, National Institute of Health, Rome, Italy.
Simonetta PupellaItalian National Blood Centre, National Institute of Health, Rome, Italy.
Eva VeropalumboItalian National Blood Centre, National Institute of Health, Rome, Italy.
Francesca MasielloItalian National Blood Centre, National Institute of Health, Rome, Italy.
Giancarlo M LiumbrunoItalian National Blood Centre, National Institute of Health, Rome, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThrombelastography (TEG) and rotational thromboelastometry (ROTEM) are viscoelastic haemostatic assays (VHA) which exploit the elastic properties of clotting blood. The aim of this systematic review and meta-analysis was to evaluate the usefulness of these tests in bleeding patients outside the cardiac surgical setting. MATERIALS AND

methodsWe searched the Cochrane Library, MEDLINE, EMBASE and SCOPUS. We also searched clinical trial registries for ongoing and unpublished studies, and checked reference lists to identify additional studies.

resultsWe found 4 randomised controlled trials (RCTs) that met our inclusion criteria with a total of 229 participants. The sample size was small (from 28 to 111 patients) and the follow-up periods very heterogenous (from 4 weeks to 3 years). Pooled data from the 3 trials reporting on mortality (199 participants) do not show any effect of the use of TEG on mortality as compared to standard monitoring (based on the average treatment effect from a fixed-effects model): Risk Ratio (RR) 0.71; 95% Confidence Interval (CI): 0.43 to 1.16. Likewise, the use of VHA does not reduce the need for red blood cells (mean difference -0.64; 95% CI: -1.51 to 0.23), platelet concentrates (mean difference -1.12; 95% CI: -3.25 to 1.02), and fresh frozen plasma (mean difference -0.91; 95% CI: -2.02 to 0.19) transfusion. The evidence on mortality and other outcomes was uncertain (very low-certainty evidence, down-graded due to risk of biases, imprecision, and inconsistency).

conclusionsOverall, the certainty of the evidence provided by the trials was too low for us to be certain of the benefits and harms of viscoelastic haemostatic assay in non-cardiac surgical settings. More, larger, and better-designed RCTs should be carried out in this area.

Indexed as

HemorrhageHumansRandomized Controlled Trials as TopicThrombelastography

Identifiers

PMID29517967
PMCPMC5919835

What OpenQuestion holds

Textmetadata
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.