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Related Experiment Videos

Does tranexamic acid reduce desmopressin-induced hyperfibrinolysis?

Ertuğrul Ozal1, Erkan Kuralay, Hakan Bingöl

  • 1Cardiovascular Surgery Department, Gülhane Military Medical Academy, Etlik, Ankara, Turkey 06010. ozal@tr.net

The Journal of Thoracic and Cardiovascular Surgery
|March 8, 2002
PubMed
Summary

Combining tranexamic acid with desmopressin significantly reduces bleeding after coronary artery bypass surgery. This approach lowers the need for blood transfusions and improves hemostasis, offering a safer surgical option.

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Area of Science:

  • Cardiovascular Surgery
  • Anesthesiology
  • Hematology

Background:

  • Desmopressin can increase bleeding during cardiopulmonary bypass by enhancing hyperfibrinolysis.
  • Antifibrinolytic agents like tranexamic acid may counteract this effect.
  • Optimizing hemostasis is crucial for patient outcomes after cardiac surgery.

Purpose of the Study:

  • To evaluate the efficacy of combined desmopressin and tranexamic acid administration in reducing blood loss and transfusion requirements.
  • To investigate the impact of this combination on hyperfibrinolysis markers during coronary artery bypass grafting.

Main Methods:

  • A prospective randomized study involving 100 patients undergoing coronary artery bypass operations.
  • Group 1 received desmopressin post-cardiopulmonary bypass.

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  • Group 2 received both desmopressin and tranexamic acid pre-operatively.

    • Main Results:

    • Group 2 showed significantly less chest tube drainage (623 mL vs. 1010 mL) and lower transfusion requirements for packed red blood cells (0.9 units vs. 2.1 units) and fresh frozen plasma (0.76 units vs. 1.84 units).
    • Fewer patients in Group 2 (24%) required blood products compared to Group 1 (74%).
    • Group 2 exhibited improved postoperative fibrinogen levels and reduced fibrin split products, with higher postoperative hemoglobin levels.

    Conclusions:

    • Tranexamic acid effectively mitigates desmopressin-induced hyperfibrinolysis associated with cardiopulmonary bypass.
    • The combined use of tranexamic acid and desmopressin significantly reduces postoperative blood loss and the need for blood transfusions.
    • This combination therapy enhances hemostasis in patients undergoing coronary artery bypass surgery.