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Desmopressin usage in elective cardiac surgery.

E Ozkisacik1, F Islamoğlu, H Posacioğlu

  • 1Department of Cardiovascular Surgery, Ege University Medical Faculty, Izmir, Turkey.

The Journal of Cardiovascular Surgery
|November 8, 2001
PubMed
Summary

Desmopressin (DDAVP) did not reduce blood loss or transfusion needs in patients undergoing cardiac surgery. While it improved platelet function, it showed no clear benefit for postoperative hemostasis in this patient group.

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Area of Science:

  • Cardiovascular Surgery
  • Anesthesiology
  • Hematology

Background:

  • Desmopressin acetate (DDAVP) is investigated for its potential to minimize blood loss during cardiopulmonary bypass.
  • Cardiac surgery patients often experience significant blood loss, necessitating interventions to improve hemostasis.

Purpose of the Study:

  • To evaluate the efficacy of intraoperative desmopressin in reducing postoperative blood loss and transfusion requirements.
  • To assess the impact of desmopressin on coagulation factors and platelet function in patients undergoing coronary artery bypass grafting.

Main Methods:

  • A randomized controlled trial involving 66 patients undergoing coronary artery bypass grafting.
  • Patients were assigned to receive either desmopressin (0.3 microg/kg) or a placebo at the end of cardiopulmonary bypass.

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Main Results:

  • Desmopressin administration did not significantly alter postoperative blood loss or the need for blood transfusions compared to the control group.
  • While desmopressin improved platelet aggregation and shortened factor VIII activation time, these effects did not translate into improved overall hemostasis.
  • Fibrinogen levels showed a pattern favoring the control group at 24 hours postoperatively.

Conclusions:

  • Intraoperative desmopressin does not appear to offer significant benefits for postoperative hemostasis in patients undergoing elective cardiac surgery without pre-existing bleeding disorders.
  • Despite observed improvements in platelet function, the clinical utility of desmopressin for reducing blood loss in this context remains questionable.