Evidence map›Paper›PMID 10698228›Full record

Trial reportJournal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology

Predictors of improvement in left ventricular ejection fraction with carvedilol for congestive heart failure.

J H O'Keefe, A Magalski, T L Stevens, D R Bresnahan, K Alaswad, S K Krueger, T M Bateman

Abstract readClinical Trial
PubMed Publisher
In one paragraph

Trial report in Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
2.2field-weighted citation impact, top 11% 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

7 citing papers in PubMed, 37 citations in OpenAlex.

  1. Trial
  2. Article
  3. Article
  4. Article
  5. Relation between regional and global systolic function in patients with ischemic cardiomyopathy after beta-blocker therapy or revascularization.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2010
    Article
  6. Article
  7. The role of cardiac imaging in optimizing therapy in heart failure.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 2 institutions in 1 country.

J H O'KeefeMid America Heart Institute, St Luke's Hospital, Kansas City, MO, USA.
A Magalski
T L Stevens
D R Bresnahan
K Alaswad
S K Krueger
T M Bateman
St. Luke's Hospital · USSaint Luke's Hospital · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundBeta-blocker therapy has been reported to improve survival and left ventricular ejection fraction (LVEF) in the setting of congestive heart failure (CHF). The magnitude and predictors of improved LVEF are unclear.

methodsA total of 295 patients were enrolled in the study. Inclusion criteria were LVEF <35% at baseline and symptomatic (New York Heart Association class II to IV) CHF despite treatment with at minimum an angiotensin-converting enzyme inhibitor. Carvedilol was initiated at 3.125 mg twice daily and titrated to a target dose of 25 or 50 mg twice daily, depending on the patient's weight. Paired pretreatment baseline and 9 months with treatment follow-up quantitative LVEFs (assessed by resting radionuclide ventriculograms) were obtained in 161 (55 %) of the patients.

resultsLVEF improved from 25% +/- 6% at baseline to 36%+/-12% at follow-up (P<.001). Mean change in LVEF (deltaLVEF) was greater for nonischemic cardiomyopathy (NICM) (+14.5+/-2 LVEF points) than ischemic cardiomyopathy (deltaLVEF +/- 7.6+/-10 EF points, P = .001). The deltaLVEF was > or =21 LVEF points in 30% of the NICM group versus 10% of the ischemic cardiomyopathy group. Conversely, the deltaLVEF was unchanged to minimally improved (< or =5 LVEF points) in 21% of the NICM group versus 52% of the ischemic cardiomyopathy group. Multivariable analysis identified NICM and recent onset of congestive heart failure as correlates of improved LVEF.

conclusionsCarvedilol significantly improved LVEF, especially in patients with NICM and those with recent onset of CHF.

Indexed as

Adrenergic beta-AntagonistsAgedCarbazolesCarvedilolFemaleHeart FailureHumansMaleMiddle AgedPropanolaminesProspective StudiesRadionuclide VentriculographyStroke VolumeAdrenergic beta-AntagonistsCarbazolesCarvedilolPropanolamines

Identifiers

PMID10698228
OpenAlexW2167036398

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.