Evidence map›Paper›PMID 12067942›Full record

ArticleHeart (British Cardiac Society)2002

Incremental changes in QRS duration in serial ECGs over time identify high risk elderly patients with heart failure.

W Shamim, M Yousufuddin, M Cicoria, D G Gibson, A J S Coats, M Y Henein

Open access · bronzeAbstract read
In one paragraph

Article in Heart (British Cardiac Society), 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
3.3field-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

24 citing papers in PubMed, 105 citations in OpenAlex.

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  10. Regression of fragmented QRS complex: a marker of electrical reverse remodeling in cardiac resynchronization therapy.Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc · 2015
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  16. Relationship between mechanical and electrical remodelling in patients with cardiac resynchronization implanted defibrillators.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2011
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  20. Familial aggregation and heritability of electrocardiographic intervals and heart rate in a rural Chinese population.Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc · 2009
    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

6 authors at 2 institutions in 1 country.

W ShamimRoyal Brompton Hospital and National Heart and Lung Institute, Sydney Street, London SW3 6NP, UK.
M Yousufuddin
M Cicoria
D G Gibson
A J S Coats
M Y Henein
Royal Brompton Hospital · GBNational Health Service · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimsTo investigate the hypothesis that changes in the ECG over time may be an important and readily available marker of prognostic value in patients with heart failure.

methods112 elderly patients (81 men) with stable heart failure, a mean (SD) age of 73.3 (4.4) years, left ventricular ejection fraction 38 (17)%, and peak oxygen consumption 15.1 (4.7) ml/kg/min had ECG measurements on two occasions a minimum of 12 (5) months apart.

resultsDuring the subsequent follow up period (mean 27 (17) months) 45 patients died. QRS duration (p = 0.001) and heart rate (p = 0.03) at baseline were found by Cox proportional hazard method analysis to predict adverse outcomes in these patients. Of the changes in ECG parameters between the first and second visit, broadening of QRS duration (p = 0.001) predicted mortality. On Kaplan-Meier survival analysis, patients with < 5% change in QRS duration had fewer end points than patients with 5-20% change. A > 20% increase in QRS duration was associated with the worst prognosis. Progressive prolongation of QRS duration correlated closely with deterioration of LV systolic and diastolic function.

conclusionA single measurement of QRS duration has significant prognostic value in elderly patients with heart failure and the increase in QRS duration over time is an even better predictor of adverse out comes.

Indexed as

AgedCardiac Output, LowEchocardiographyElectrocardiographyFemaleFollow-Up StudiesHeart RateHumansMalePrognosisProportional Hazards ModelsReproducibility of ResultsRisk FactorsSurvival AnalysisVentricular Dysfunction, Left

Identifiers

PMID12067942
PMCPMC1767184
OpenAlexW2099513124

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.