Evidence map›Paper›PMID 26168217›Full record

ArticleThe Journal of clinical investigation2015

T lymphocytes and fractalkine contribute to myocardial ischemia/reperfusion injury in patients.

Stephen E Boag, Rajiv Das, Evgeniya V Shmeleva, Alan Bagnall, Mohaned Egred, Nicholas Howard, Karim Bennaceur, Azfar Zaman, Bernard Keavney, Ioakim Spyridopoulos

Abstract read
In one paragraph

Article in The Journal of clinical investigation, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 100 papers.

0numbers the graph read from it
0cells of the map it votes in
100citing papers in PubMed
6.4field-weighted citation impact, top 3% 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

100 citing papers in PubMed, 151 citations in OpenAlex.

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  7. The High-Sensitivity C-Reactive Protein-Albumin-Lymphocyte Index Is a Prognostic Marker for All-Cause and Cardiovascular Mortality in Patients With ST-Elevation Myocardial Infarction.Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions · 2026
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40 more citing papers are in PubMed but not listed here.

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

10 authors at 3 institutions in 1 country.

Stephen E Boag
Rajiv Das
Evgeniya V Shmeleva
Alan Bagnall
Mohaned Egred
Nicholas Howard
Karim Bennaceur
Azfar Zaman
Bernard Keavney
Ioakim Spyridopoulos
Newcastle University · GBFreeman Hospital · GBUniversity of Sunderland · GB

Funding

British Heart Foundation FS/12/31/29533
6 · The paper itself

Abstract

backgroundLymphocytes contribute to ischemia/reperfusion (I/R) injury in several organ systems, but their relevance in ST elevation myocardial infarction (STEMI) is unknown. Our goal was to characterize lymphocyte dynamics in individuals after primary percutaneous coronary intervention (PPCI), assess the prognostic relevance of these cells, and explore mechanisms of lymphocyte-associated injury.

methodsLymphocyte counts were retrospectively analyzed in 1,377 STEMI patients, and the prognostic relevance of post-PPCI lymphopenia was assessed by Cox proportional hazards regression. Blood from 59 prospectively recruited STEMI patients undergoing PPCI was sampled, and leukocyte subpopulations were quantified. Microvascular obstruction (MVO), a component of I/R injury, was assessed using MRI.

resultsIn the retrospective cohort, lymphopenia was associated with a lower rate of survival at 3 years (82.8% vs. 96.3%, lowest vs. highest tertile; hazard ratio 2.42). In the prospective cohort, lymphocyte counts fell 90 minutes after reperfusion, primarily due to loss of T cells. CD8+ T cells decreased more than CD4+ T cells, and effector subsets exhibited the largest decline. The early decrease in effector T cell levels was greater in individuals that developed substantial MVO. The drop in T cell subsets correlated with expression of the fractalkine receptor CX3CR1 (r2 = 0.99, P = 0.006). Serum fractalkine concentration peaked at 90 minutes after reperfusion, coinciding with the T cell count nadir.

conclusionsLymphopenia following PPCI is associated with poor prognosis. Our data suggest that fractalkine contributes to lymphocyte shifts, which may influence development of MVO through the action of effector T cells.

trial registrationNot applicable.

fundingBritish Heart Foundation (FS/12/31/29533) and National Institute of Health Research (NIHR) Newcastle Biomedical Research Centre.

Indexed as

LymphopeniaMyocardial InfarctionMyocardial Reperfusion InjuryAgedAged, 80 and overCD4 Lymphocyte CountCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesChemokine CX3CL1FemaleHumansMaleMiddle AgedRetrospective StudiesSurvival RateChemokine CX3CL1CX3CL1 protein, human

Identifiers

PMID26168217
PMCPMC4563749
OpenAlexW1671108142

What OpenQuestion holds

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Registered trials

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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.