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Efficacy of aprotinin as a blood conservation technique for adult deformity spinal surgery: a retrospective study.

Abstract：

STUDY DESIGN:A retrospective study that involved a total of 82 adult deformity patients who underwent spinal fusion surgery with instrumentation of 6 or more levels. OBJECTIVE:The purpose of this study is to assess the efficacy and safety of aprotinin in reducing blood loss in adult spinal deformity patients. SUMMARY OF BACKGROUND DATA:Aprotinin is an antifibrinolytic agent, which has been proven to be effective as a blood-conserving agent in cardiac surgery. This study focused specifically on adult spine deformity patients. METHODS:This retrospective study analyzed a total of 82 adult deformity patients (patients with diagnosis of adult scoliosis and kyphosis) who underwent spinal fusion surgery with instrumentation of 6 or more levels. Forty-one patients who received aprotinin were compared with a control group of 41 patients who did not receive aprotinin. Specific surgical outcome parameters and postoperative complications were assessed. RESULTS:The average age of the patients was 47 years and 41 years for the aprotinin group and the control group respectively. Thirty-nine percent of cases and 44% of controls had staged anterior/posterior fusion surgery, 39% of cases and 41% of controls underwent single stage posterior fusion surgery and the remaining 27% of cases and 15% of controls had same day anterior and posterior fusion surgery. The average number of levels fused and instrumented was 11.2 for the aprotinin group and 10.7 for the control group. The differences in mean blood loss and blood returned by cell-saver were statistically significantly lower in the aprotinin group (1324 mL vs. 2113 mL; P = 0.005 and 390 mL vs. 657 mL; P = 0.003). The amount of drainage after surgery was similar (1421 mL vs. 1388 mL; P = 0.982). The aprotinin group received an average of 2.73 units of blood. This was significantly lower than the average 5.02 units that the controls received (P = 0.003). The rate of complications was comparable and no allergic reaction to aprotinin was noted. One case exhibited a transitory elevation of blood urea nitrogen/creatinine which resolved before discharge. CONCLUSION:The results of our study suggest that the administration of aprotinin is a safe and effective method to reduce blood loss and to decrease the need for transfusions without increasing risk of complication in the younger patients in relatively good general health undergoing spinal deformity surgery requiring 6 or more levels of fusion.

journal_name

Spine (Phila Pa 1976)

journal_title

Spine

authors

Tayyab NA,Mariller MM,Rivlin M,Berekashvili K,Bitan FD,Casden AM,Kuflik P,Neuwirth MG

doi

10.1097/BRS.0b013e31817b87c4

subject

Has Abstract

pub_date

2008-07-15 00:00:00

pages

1775-81

issue

eissn

0362-2436

issn

1528-1159

pii

00007632-200807150-00012

journal_volume

pub_type

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Efficacy of aprotinin as a blood conservation technique for adult deformity spinal surgery: a retrospective study.