Evidence map›Paper›PMID 29951634›Full record

ArticleBJS open2018

Randomized clinical trial of remote ischaemic preconditioning versus no preconditioning in the prevention of perioperative myocardial infarction during open surgery for ruptured abdominal aortic aneurysm.

T F Pedersen, J Budtz-Lilly, C N Petersen, J Hyldgaard, J-O Schmidt, R Kroijer, M-L Grønholdt, N Eldrup

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in BJS open, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT00883363 (Reduction of Myocardial Infarction by Preconditioning in Patients With Ruptured Abdominal Aortic Aneurysm), which is not on this map. Cited by 4 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 2 pooled it
0.8field-weighted citation impact, top 28% 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.

NCT00883363 nacompletednot on this map

Reduction of Myocardial Infarction by Preconditioning in Patients With Ruptured Abdominal Aortic Aneurysm

TypeinterventionalSponsorNikolaj EldrupRan2009 to 2014Enrolled200ConditionsAbdominal Aortic AneurysmArmsPrecondition
3 · Its place in the literature

Who cites it

4 citing papers in PubMed, 2 syntheses or guidelines pooled it, 8 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Trial
  4. 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

8 authors at 3 institutions in 1 country.

T F PedersenDepartment of Heart, Lung and Vascular Surgery Aarhus University Hospital Aarhus Denmark.ORCID 0000-0003-4453-8876
J Budtz-LillyDepartment of Heart, Lung and Vascular Surgery Aarhus University Hospital Aarhus Denmark.
C N PetersenDepartment of Vascular Surgery Aalborg University Hospital Aalborg Denmark.
J HyldgaardDepartment of Heart, Lung and Vascular Surgery Aarhus University Hospital Aarhus Denmark.
J-O SchmidtDepartment of Vascular Surgery Kolding Hospital Kolding Denmark.
R KroijerDepartment of Heart, Lung and Vascular Surgery Aarhus University Hospital Aarhus Denmark.
M-L GrønholdtDepartment of Vascular Surgery Aalborg University Hospital Aalborg Denmark.
N EldrupDepartment of Heart, Lung and Vascular Surgery Aarhus University Hospital Aarhus Denmark.
Aarhus University Hospital · DKAalborg University Hospital · DKKolding Hospital · DK

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundRemote ischaemic preconditioning (RIPC) has been suggested as a means of protecting vital organs from reperfusion injury during major vascular surgery. This study was designed to determine whether RIPC could reduce the incidence of perioperative myocardial infarction (MI) during open surgery for ruptured abdominal aortic aneurysm (AAA). Secondary aims were to see if RIPC could reduce 30-day mortality, multiple organ failure, acute intestinal ischaemia, acute kidney injury and ischaemic stroke.

methodsThis randomized, non-blinded clinical trial was undertaken at three vascular surgery centres in Denmark. Patients who had open surgery for ruptured AAA were randomized to intervention with RIPC or control in a 1 : 1 ratio. Postoperative complications and deaths were registered, and ECG and blood samples were obtained daily during the hospital stay.

resultsOf 200 patients randomized, 142 (72 RIPC, 70 controls) were included. There was no difference in rates of perioperative MI between the RIPC and control groups (36 versus 43 per cent respectively), or in rates of organ failure. However, in the per-protocol analysis 30-day mortality was significantly reduced in the RIPC group (odds ratio 0·46, 95 per cent c.i. 0·22 to 0·99; P = 0·048).

conclusionRIPC did not reduce the incidence of perioperative MI in patients undergoing open surgery for ruptured AAA. Registration number: NCT00883363 ( http://www.clinicaltrials.gov).

Identifiers

PMID29951634
PMCPMC5989967
OpenAlexW2790552737

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Registered trials

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.