Evidence map›Paper›PMID 31694568›Full record

Trial reportBMC anesthesiology2019

Thrombelastometry guided blood-component therapy after cardiac surgery: a randomized study.

Martin Haensig, Joerg Kempfert, Pia-Maria Kempfert, Evaldas Girdauskas, Michael Andrew Borger, Sven Lehmann

Abstract readComparative StudyRandomized Controlled Trial
In one paragraph

Trial report in BMC anesthesiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 2 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

15 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Transfusion thresholds for guiding red blood cell transfusion.The Cochrane database of systematic reviews · 2021
    Pooled it
  2. Plasma Transfusion Practice in Adult Surgical Patients: Systematic Review of the Literature.Transfusion medicine and hemotherapy : offizielles Organ der Deutschen Gesellschaft fur Transfusionsmedizin und Immunhamatologie · 2020
    Pooled it
  3. Article
  4. Review
  5. Article
  6. 2024 EACTS/EACTAIC Guidelines on patient blood management in adult cardiac surgery in collaboration with EBCP.European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery · 2025
    Article
  7. Review
  8. Review
  9. Review
  10. Review
  11. Article
  12. Article
  13. Review
  14. Evaluation of the Safety and Efficacy of a Novel Thrombin Containing Combination Hemostatic Powder Using a Historical Control.Clinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis
    Article
  15. A Prospective Analysis of Viscoelastic Assays, Platelet Aggregometry, and Standard Laboratory Tests in Predicting Perioperative Blood Loss in Cardiac Surgery.Clinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis
    Observational
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.

Martin HaensigDepartment of Vascular Surgery, Cardiovascular Center, University of Leipzig, Liebigstr 20, 04103, Leipzig, Germany. mhaensig@gmail.com.ORCID 0000-0003-1924-3611
Joerg KempfertDepartment of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany.
Pia-Maria KempfertDepartment of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany.
Evaldas GirdauskasDepartment of Cardiac and Cardiovascular Surgery, University Heart Center Hamburg, Hamburg, Germany.
Michael Andrew BorgerClinic of Cardiac Surgery, Heart Center, University of Leipzig, Leipzig, Germany.
Sven LehmannClinic of Cardiac Surgery, Heart Center, University of Leipzig, Leipzig, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSignificant bleeding is a well known complication after cardiac surgical procedures and is associated with worse outcome. Thrombelastometry (ROTEM®) allows point-of-care testing of the coagulation status but only limited data is available yet. The aim was to evaluate the ROTEM®-guided blood component therapy in a randomized trial.

methodsIn case of significant postoperative bleeding (> 200 ml/h) following elective isolated or combined cardiac surgical procedures (including 14% re-do procedures and 4% requiring circulatory arrest) patients were randomized to either a 4-chamber ROTEM®-guided blood-component transfusion protocol or received treatment guided by an algorithm based on standard coagulation testing (control). One hundred four patients (mean age: 67.2 ± 10.4 years, mean log. EuroSCORE 7.0 ± 8.8%) met the inclusion criteria. Mean CPB-time was 112.1 ± 55.1 min., mean cross-clamp time 72.5 ± 39.9 min.

resultsBaseline demographics were comparable in both groups. Overall there was no significant difference in transfusion requirements regarding red blood cells, platelets, plasma, fibrinogen or pooled factors and the re-thoracotomy rate was comparable (ROTEM®: 29% vs. control: 25%). However, there was a trend towards less 24-h drainage loss visible in the ROTEM®-group (ROTEM®: 1599.1 ± 834.3 ml vs. control: 1867.4 ± 827.4 ml; p = 0.066). In the subgroup of patients with long CPB-times (> 115 min.; n = 55) known to exhibit an increased risk for diffuse coagulopathy ROTEM®-guided treatment resulted in a significantly lower 24-h drainage loss (ROTEM®: 1538.2 ± 806.4 ml vs. control: 2056.8 ± 974.5 ml; p = 0.032) and reduced 5-year mortality (ROTEM®: 0% vs. control: 15%; p = 0.03).

conclusionIn case of postoperative bleeding following cardiac surgical procedures a treatment algorithm based on "point-of-care" 4-chamber ROTEM® seems to be at least as effective as standard therapy. In patients with long CPB-times ROTEM®-guided treatment may result in less bleeding, a marked reduction in costs and long-term mortality.

trial registrationGerman Clinical Trials Register, TRN: DRKS00017367 , date of registration: 05.06.2019, 'retrospectively registered'.

Indexed as

AgedAlgorithmsBlood Coagulation TestsBlood TransfusionCardiac Surgical ProceduresFemaleHumansMaleMiddle AgedPoint-of-Care SystemsPostoperative HemorrhageThrombelastographyTime FactorsBleedingBlood-component therapyCardiac surgeryPoint-of-care testingThrombelastometryTransfusion

Identifiers

PMID31694568
PMCPMC6833285

What OpenQuestion holds

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LicenceCC BY
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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.