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ArticleClinical research in cardiology : official journal of the German Cardiac Society2014

Disease distribution and outcome in troponin-positive patients with or without revascularization in a chest pain unit: results of the German CPU-Registry.

Alexander Illmann, Thomas Riemer, Raimund Erbel, Evangelos Giannitsis, Christian Hamm, Michael Haude, Gerd Heusch, Lars S Maier, Thomas Münzel, Claus Schmitt and 4 more

Abstract readComparative Study
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In one paragraph

Article in Clinical research in cardiology : official journal of the German Cardiac Society, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

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

  1. Criteria of the German Society of Cardiology for the establishment of chest pain units: update 2014.Clinical research in cardiology : official journal of the German Cardiac Society · 2015
    Guideline
  2. Trial
  3. Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Prevalence of thrombophilic disorders in takotsubo patients: the (ThROmbophylia in TAkotsubo cardiomyopathy) TROTA study.Clinical research in cardiology : official journal of the German Cardiac Society · 2016
    Article
  10. Article
  11. Article
  12. Observational
  13. Article
  14. Cardiac surgery 2014 reviewed.Clinical research in cardiology : official journal of the German Cardiac Society · 2015
    Review
  15. Coronary procedures in German hospitals: a detailed analysis for specific patient clusters.Clinical research in cardiology : official journal of the German Cardiac Society · 2015
    Article
  16. Anti-glioma action of aloe emodin: the role of ERK inhibition.Cellular and molecular life sciences : CMLS · 2005
    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

14 authors.

Alexander Illmann
Thomas Riemer
Raimund Erbel
Evangelos Giannitsis
Christian Hamm
Michael Haude
Gerd Heusch
Lars S Maier
Thomas Münzel
Claus Schmitt
Burghard Schumacher
Jochen Senges
Thomas Voigtländer
Harald Mudra

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesThe aim of this analysis was to compare troponin-positive patients presenting to a chest pain unit (CPU) and undergoing coronary angiography with or without subsequent revascularization. Leading diagnosis, disease distribution, and short-term outcomes were evaluated.

backgroundChest pain units are increasingly implemented to promptly clarify acute chest pain of uncertain origin, including patients with suspected acute coronary syndrome (ACS).

methodsA total of 11,753 patients were prospectively enrolled into the German CPU-Registry of the German Cardiac Society between December 2008 and April 2011. All patients with elevated troponin undergoing a coronary angiography were selected. Three months after discharge a follow-up was performed.

resultsA total of 2,218 patients were included. 1,613 troponin-positive patients (72.7 %) underwent a coronary angiography with subsequent PCI or CABG and had an ACS in 96.0 %. In contrast, 605 patients (27.3 %) underwent a coronary angiography without revascularization and had an ACS in 79.8 %. The most frequent non-coronary diagnoses in non-revascularized patients were acute arrhythmias (13.4 %), pericarditis/myocarditis (4.5 %), decompensated congestive heart failure (3.7 %), Takotsubo cardiomyopathy (2.7 %), hypertensive crisis (2.4 %), and pulmonary embolism (0.3 %). During the 3-month followup, patients without revascularization had a higher mortality (12.1 vs. 4.5 %, p<0.0001) representing the major contributor to the higher rate of MACCE (15.1 vs. 8.1 %, p<0.001). These data were confirmed in a subgroup analysis of ACS patients with or without revascularization.

conclusionsPatients presenting to a CPU with elevated troponin levels mostly suffer from ACS and in a smaller proportion a variety of different diseases are responsible. The short-term outcome in troponin-positive patients with or without an ACS not undergoing a revascularization was worse, indicating that these patients were more seriously ill than patients with revascularization of the culprit lesion. Therefore, an adequate diagnostic evaluation and improved treatment strategies are warranted.

Indexed as

Coronary Artery BypassCoronary Care UnitsPercutaneous Coronary InterventionAcute Coronary SyndromeAgedAged, 80 and overAngina PectorisBiomarkersCoronary AngiographyFemaleGermanyHumansMaleMiddle AgedMyocardial InfarctionPatient DischargeBiomarkersTroponin

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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.