Korean J Anesthesiol.  2004 Nov;47(5):676-680. 10.4097/kjae.2004.47.5.676.

Effects of Aprotinin during Off-Pump Coronary Artery Bypass Grafting in Patients on Hemostasis Taking Aspirin

Affiliations
  • 1Department of Anesthesiology and Pain Medicine, College of Medicine, Hallym University, Anyang, Korea. hysomoon@yahoo.co.kr

Abstract

BACKGROUND: Patients with ischemic heart disease are frequently maintained on a regimen of aspirin because of its ability to reduce variable thrombotic complications. However, aspirin has been recognized as a causative factor of increased perioperative bleeding. This study was aimed to determine whether aprotinin maintain its efficacy at reducing blood loss in patients on aspirin undergoing off-pump coronary artery bypass grafting (OPCAB).
METHODS
In the prospective, double blind, randomized study, we investigated 30 patients on preoperative aspirin medication undergoing OPCAB surgery. Patients received aprotinin (1 x 106 KIU bolus for loading plus 0.5 x 106 KIU/hr, n = 15, the aprotinin group) or saline solution (n = 15, the control group). Operation time, total transfusion amount during operation, and plasma D-dimer levels immediately after the induction of anesthesia and immediately after operation were investigated and compared between and within groups where possible.
RESULTS
Both group showed no comparable demographic and operation data such as operation time and number of grafts. The aprotinin group showed significantly less transfusion amount than the control group (packed RBC 352.7 +/- 89.2 ml vs 478.0 +/- 132.1 ml). Compared with that immediately after anesthetic induction value, postoperative D-dimer significantly increased in the control group but not in the aprotinin group.
CONCLUSIONS
The above results suggest that aprotinin significantly reduces transfusion amount and probably inhibits fibrinolysis in patients with aspirin undergoing OPCAB.

Keyword

aprotinin; aspirin; off-pump coronary artery grafting (OPCAB)

MeSH Terms

Anesthesia
Aprotinin*
Aspirin*
Coronary Artery Bypass, Off-Pump*
Fibrinolysis
Hemorrhage
Hemostasis*
Humans
Myocardial Ischemia
Plasma
Prospective Studies
Sodium Chloride
Transplants*
Aprotinin
Aspirin
Sodium Chloride
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