Evidence map›Paper›PMID 25066685›Full record

ArticleClinical and translational science2015

Greater collagen-induced platelet aggregation following cyclooxygenase 1 inhibition predicts incident acute coronary syndromes.

Rehan Qayyum, Diane M Becker, Lisa R Yanek, Nauder Faraday, Dhananjay Vaidya, Rasika Mathias, Brian G Kral, Lewis C Becker

Open access · bronzeAbstract read
In one paragraph

Article in Clinical and translational science, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 1 pooled it
0.6field-weighted citation impact, top 30% 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

11 citing papers in PubMed, 1 synthesis or guideline pooled it, 16 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Trial
  4. Trial
  5. Article
  6. Perspective: Collagen induced platelet activationFrontiers in cardiovascular medicine · 2022
    Article
  7. Article
  8. Influence of Sex on Platelet Reactivity in Response to Aspirin.Journal of the American Heart Association · 2020
    Article
  9. Article
  10. Article
  11. 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

8 authors at 1 institution in 1 country.

Rehan QayyumGeneSTAR Research Program, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Diane M Becker
Lisa R Yanek
Nauder Faraday
Dhananjay Vaidya
Rasika Mathias
Brian G Kral
Lewis C Becker
Johns Hopkins University · US

Funding

ZINC AND CA EDTA THERAPY OF PLUMBISMM01RR000052 · NCRR · JOHNS HOPKINS UNIVERSITY · PI BELCHER, HAROLYN MILLICENT EDITH · 1985 to 2007
$37.3M
Genotypic Determinants of Aspirin Response in High Risk FamiliesU01HL072518 · NHLBI · JOHNS HOPKINS UNIVERSITY · PI BECKER, LEWIS C · 2002 to 2008
$12.8M
Functional Genomics of Platelet Aggregation Using iPS and Derived MegakaryocytesU01HL107446 · NHLBI · JOHNS HOPKINS UNIVERSITY · PI BECKER, LEWIS C, CHENG, LINZHAO · 2011 to 2015
$8.8M
Institute for Clinical and Translational ResearchUL1TR000424 · NCATS · JOHNS HOPKINS UNIVERSITY · PI FORD, DANIEL ERNEST · 2012 to 2012
$6.0M
Genome-Wide Association of Platelet PhenotypesR01HL087698 · NHLBI · JOHNS HOPKINS UNIVERSITY · PI BECKER, LEWIS C · 2007 to 2009
$3.8M
Genetic Determinants of Coronary Artery Calcification in High-Risk FamiliesK23HL094747 · NHLBI · JOHNS HOPKINS UNIVERSITY · PI KRAL, BRIAN G · 2009 to 2013
$696k
Pharmacogenomics of Anti-platelet ResponseK23HL105897 · NHLBI · JOHNS HOPKINS UNIVERSITY · PI QAYYUM, REHAN · 2010 to 2013
$559k
NCATS NIH HHS UL1 TR000424NCATS NIH HHS UL1 TR 000424-06NCRR NIH HHS M01 RR000052NCRR NIH HHS M01 RR00052NHLBI NIH HHS K23 HL094747NHLBI NIH HHS K23HL094747NHLBI NIH HHS K23 HL105897NHLBI NIH HHS K23HL105897RNHLBI NIH HHS R01 HL087698NHLBI NIH HHS R01 HL087698-01NHLBI NIH HHS U01 HL072518NHLBI NIH HHS U01 HL107446NHLBI NIH HHS U01 HL72518
6 · The paper itself

Abstract

Greater ex vivo platelet aggregation to agonists may identify individuals at risk of acute coronary syndromes (ACS). However, increased aggregation to a specific agonist may be masked by inherent variability in other activation pathways. In this study, we inhibited the cyclooxygenase-1 (COX1) pathway with 2-week aspirin therapy and measured residual aggregation to collagen and ADP to determine whether increased aggregation in a non-COX1 pathway is associated with incident ACS. We assessed ex vivo whole blood platelet aggregation in 1,699 healthy individuals with a family history of early-onset coronary artery disease followed for 6±1.2 years. Incident ACS events were observed in 22 subjects. Baseline aggregation was not associated with ACS. After COX1 pathway inhibition, collagen-induced aggregation was significantly greater in participants with ACS compared with those without (29.0 vs. 23.6 ohms, p < 0.001). In Cox proportional hazards models, this association remained significant after adjusting for traditional cardiovascular risk factors (HR = 1.10, 95%CI = 1.06-1.15; p < 0.001). In contrast, ADP-induced aggregation after COX1 inhibition was not associated with ACS. After COX1 pathway inhibition, subjects with greater collagen-induced platelet aggregation demonstrated a significant excess risk of incident ACS. These data suggest that platelet activation related to collagen may play an important role in the risk of ACS.

Indexed as

Acute Coronary SyndromeAdultCollagenConfidence IntervalsCyclooxygenase 1Cyclooxygenase InhibitorsFemaleHumansIncidenceKaplan-Meier EstimateMaleMiddle AgedPlatelet AggregationProportional Hazards ModelsCollagenCyclooxygenase 1Cyclooxygenase Inhibitorsacute coronary syndromesaspirincollagenplatelet aggregation

Identifiers

PMID25066685
PMCPMC4305501
OpenAlexW1480025546

What OpenQuestion holds

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LicenceTDM
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.