Evidence map›Paper›PMID 25539954›Full record

SynthesisInternal and emergency medicine2015

New oral anticoagulants for the treatment of acute venous thromboembolism: are they safer than vitamin K antagonists? A meta-analysis of the interventional trials.

Lorenzo Loffredo, Ludovica Perri, Maria Del Ben, Francesco Angelico, Francesco Violi

Abstract readMeta-Analysis
PubMed Publisher
In one paragraph

Synthesis in Internal and emergency medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 2 pooled it
3.4field-weighted citation impact, top 7% 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, 2 syntheses or guidelines pooled it, 22 citations in OpenAlex.

  1. Pooled it
  2. Guideline
  3. Article
  4. Article
  5. Review
  6. Review
  7. Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Lorenzo LoffredoDipartimento di Medicina Interna e Specialità Mediche, I Clinica Medica, University of Rome "La Sapienza", Viale del Policlinico 155, Rome, 00161, Italy, lorenzo.loffredo@uniroma1.it.
Ludovica Perri
Maria Del Ben
Francesco Angelico
Francesco Violi
Sapienza University of Rome · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

New oral anticoagulants (NOACs) may represent an alternative to standard therapy with vitamin K antagonists (VKA). However, up to the present, it is unknown whether these drugs are safer than VKA. The aim of this study was to perform a meta-analysis of the interventional trials with NOACs vs VKA in patients with acute venous thromboembolism (VTE) to obtain the balance between clinical efficacy and complications. A meta-analysis of double blind randomized controlled trials (RCTs) was performed. We included RCTs that compared, in acute VTE, the beneficial and harmful effects of NOACs (ximelagatran, apixaban, dabigatran, edoxaban and rivaroxaban) vs VKA (warfarin). Seven studies including 29,482 patients were selected. Compared with warfarin, recurrent VTE and death from any cause were not significantly reduced by NOACs. Myocardial infarction was significantly increased with NOACs compared with warfarin (RR 2.55; 95% CI 1.1-5.6; p = 0.02). NOACs significantly reduced the major bleedings (RR 0.63; 95% CI 0.47-0.83; p = 0.001). This meta-analysis suggests that treatment with NOACs in patients with acute VTE is not inferior to conventional therapy with warfarin for recurrent VTE and death from any cause, but there might be an increased incidence of myocardial infarction.

Indexed as

Acute DiseaseAdministration, OralAnticoagulantsDouble-Blind MethodHumansMyocardial InfarctionRandomized Controlled Trials as TopicVenous ThromboembolismVitamin KAnticoagulantsVitamin K

Identifiers

PMID25539954
OpenAlexW2132914580

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.