Aprotinin is not associated with postoperative renal impairment after primary coronary surgery.
BACKGROUND
Studies on the safety of aprotinin in coronary artery surgery have given conflicting results. Therefore, we studied the possible link between perioperative aprotinin treatment and renal dysfunction in patients undergoing first-time coronary surgery with a high risk of bleeding.


METHODS
We performed a matched cohort study, comparing 200 patients receiving high-dose aprotinin with 200 patients receiving tranexamic acid during primary isolated coronary surgery. Patients were matched according to age, sex, and presence of acute coronary syndrome. Primary outcome was fractional change in creatinine clearance. Secondary outcomes were other evaluations of postoperative renal function, mortality, stroke, reoperation for bleeding, and transfusion requirements.


RESULTS
The groups were similar in baseline characteristics except that triple-vessel disease and history of myocardial infarction were more prevalent in the aprotinin group. No significant differences were found in fractional change in creatinine clearance (-11% versus -12%, medians, p = 0.75) or any other assessments of postoperative renal function between the tranexamic acid and the aprotinin group. Adverse event rates were similar: early mortality (3.5% versus 4.5%, p = 0.80), stroke (1.5% versus 2%, p = 1.0), reoperation for bleeding (3.5% versus 2.5%, p = 0.77), and 5-year survival (87% versus 84%, p = 0.17). Patients in the aprotinin group received fewer transfusions (48% versus 60.5%, p = 0.02), fewer units of packed red blood cells (2.0 versus 1.4, p = 0.02) and plasma (1.3 versus 0.5, p < 0.001), but more units of platelets (0.1 versus 0.2, p = 0.02).


CONCLUSIONS
Aprotinin treatment during primary coronary surgery was not associated with impaired postoperative renal function in comparison with patients treated with tranexamic acid.
Department of Cardiothoracic Surgery and Anesthesiology, Karolinska University Hospital, Stockholm, Sweden. gabriella.lindvall@karolinska.se
Gabriella
G
Lindvall
Ulrik
U
Sartipy
Torbjörn
T
Ivert
Jan
J
van der Linden
D058186:Acute Kidney Injury / Q000139:chemically induced / Q000453:epidemiology / Q000209:etiology*; D000368:Aged; D007611:Aprotinin / Q000008:administration & dosage / Q000009:adverse effects*; D016063:Blood Loss, Surgical / Q000517:prevention & control; D001803:Blood Transfusion / Q000706:statistics & numerical data; D016022:Case-Control Studies; D001026:Coronary Artery Bypass / Q000009:adverse effects* / Q000379:methods / Q000401:mortality; D004305:Dose-Response Relationship, Drug; D004334:Drug Administration Schedule; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007677:Kidney Function Tests; D008297:Male; D008875:Middle Aged; D019990:Perioperative Care; D011183:Postoperative Complications / Q000209:etiology / Q000401:mortality; D011336:Probability; D012016:Reference Values; D018570:Risk Assessment; D012680:Sensitivity and Specificity; D012720:Severity of Illness Index; D016019:Survival Analysis; D013548:Sweden; D014148:Tranexamic Acid / Q000008:administration & dosage* / Q000009:adverse effects; D016896:Treatment Outcome
D014148:Tranexamic Acid; D007611:Aprotinin